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GUIFU ZHANG ADDRESS School of Meteorology University of Oklahoma 120 David L. Boren Blvd., Suite 5900 Norman, OK
73072-7307 Ph: (405) 325-3507 Fax: (405) 325-7689 E-mail: guzhang1@ou.edu EDUCATION
1996
– 1998 Ph.D. Electrical Engineering, University of
Washington, Seattle, WA
1982
– 1985 M.S. Radio Physics, Wuhan University, China Scattering Effects in
Radiometer Measurements of Rain Attenuation and Determination of Effective
Temperature (Advisors: Xianling Long&Huanju
Li)
1978
– 1982 B.S. Physics, Anhui University, China PROFESSIONAL EXPERIENCE Chronological 2012 – present Professor, School of Meteorology,
University of Oklahoma, USA
2012 – present Adjunct Professor, School of
Electrical and Computer Engineering, University of Oklahoma, USA 2005 – 2012 Associate Professor, School
of Meteorology, University of Oklahoma, USA 2004 – 2005 Scientist II, National
Center for Atmosphere Research, USA 2001
– 2004
Scientist I, National Center for Atmosphere
Research, USA 1999
– 2000 Project
Scientist I, National Center for Atmosphere Research, USA 1998
– 1999
Visitor, National Center for Atmosphere Research, USA 1996
– 1998 Research Assistant, Dept. of
EE, University of Washington, Seattle, USA 1993
– 1995 Visiting Scientist, Dept. of
EE, University of Washington, Seattle, USA 1990
– 1993 Associate Professor, Space
Physics Dept., Wuhan University, China 1989
– 1990 Visiting Scholar,
Communication Research Laboratory, Japan 1985
– 1989 Instructor, Space Physics
Dept., Wuhan University, China Current Research Interests
– Wave propagation and scattering in geophysical media
– Remote sensing for understanding and quantifying weather and
earth environment – Radar polarimetry
for quantitative precipitation estimation and forecast – Phased array radar interferometry to
measure wind, shear, and turbulence – Formulation, design and calibration
of polarimetric phased array radar for multi-missions – Cloud/precipitation microphysics and
parameterization MEMBERSHIPS AND AWARDS –
Fellow,
Cooperative Institute for Mesoscale Meteorological
Studies (CIMMS) –
Senior
Member, Institute of Electrical and Electronics Engineers (IEEE)
– Member, American Meteorological Society (AMS)
– Member, American Geophysical Union (AGU)
– Member, International Union of Radio Science (URSI)
– Nomination for UCAR Outstanding Publication Award (2004)
– Young Scientist Funding Award from Chinese Natural Science
Foundation (1990)
– Excellent Paper Award from Chinese Electronics Society (1990)
– Excellent Young Professor Award from Wuhan University (1989) – Fellowship of Matsumae International Foundation (1989) –
SERVICE/ACTIVITIES University – On search committees for radar initiative positions and for SoM director – On NWC library committee Department – Chair of faculty search committee (2014-2015) – Research liaison for OU/SoM (2010-) – On undergraduate committee (2006-2010), reviewed applications for
scholarships – Reviewed manuscripts/papers for Sasaki award and Craighead awards Professional – Reviewer for National Science Foundation – Reviewer for Annales Geophysicae – Reviewer for Atmospheric Research – Reviewer for Geophysical
Research Letters – Reviewer for IEEE Transactions on Aerospace and Electronic Systems – Reviewer for IEEE Transactions on Antenna and Propagation – Reviewer for IEEE Transactions on Geoscience and Remote Sensing – Reviewer for Journal of Applied Meteorology (and Climatology) – Reviewer for Journal of Atmospheric and Oceanic Technology – Reviewer for Radio Science – Reviewer for Waves in Random Media – On editorial board of Chinese Journal of Radio Science, 1992-1993 – Technical committee, IGARSS'98, Seattle, WA, 1998 – On committee for faculty
promotion, Space Phys. Dept., Wuhan University, 1991-1993
– Guest Professor, Wuhan University, China, 2005 – present – On PhD advisory committee
for ECE Dept., Purdue University, 2010-present – Organized and co-chaired
special sessions of Radar Remote Sensing of Precipitation for URSI'10&11. PUBLICATIONS Refereed
Journal Publications
Please see update of publications and citations at
Google Scholar
1.
Borowska, L., G. Zhang, and D.S. Zrnic, 2015: Spectral processing for step scanning Phased
Array Radars, Submitted to IEEE Trans. On
Geoscience and Remote Sensing.. 2.
Borowska, L.,
G. Zhang, and D.S. Zrnic, 2015:
Considerations for oversampling in azimuth on the phased array weather radar. J. Atmos. Oceanic Tech, 32(9), 1614–1629. 3.
Zhang, G., 2015:
Comments on
"Describing the Shape of Raindrop Size Distributions Using Uncorrelated
Raindrop Mass Spectrum Parameters" J. Appl. Meteor. Climat., 54(9), 1970–1976. 4.
Lei, L., G. Zhang, R. Doviak,
and S. Karimkashi, 2015:
Comparision
of theoretical biases in estimating polarimetric
properties of precipitation with weather radar using parabolic reflector, or
planar and cylindrical arrays, IEEE
Trans. On Geosci. Remote Sensing, 53(8), 4313-4327. 5.
Karimkashi,
S., and G. Zhang, 2015: Optimizing radiation patterns of a
cylindrical polarimetric phased-array radar
for multimissions, IEEE Trans. On Geoscience and Remote Sensing 53(5),
2810-2818. 6.
Bokuvcic,
P., D. S. Zrnic, and G. Zhang, 2015:
Convective-Stratiform Separation Characterized by Video Disdrometer and Polarimetric
Radar Observations – The Bayesian Approach, Atmospheric Research, DOI: 10.1016/j.atmosres.2014.12.002 7.
Mahale,
V., G. Zhang, M. Xue, 2014:
Fuzzy Logic Classification of S-Band Polarimetric
Radar Echoes to Identify Three-Body Scattering and Improve Data Quality, J. Appl. Meteor. Climat., 53(8),
2017-2033 8.
Wainwright, C., M. Xue, G. Zhang and D. Dawson, 2014:
The Impact of Diagnosing
the Intercept Parameter of the Exponential Drop Size Distribution on Convective
Storm Forecasts, J. Appl. Meteor. Climat., 53(8), 2072-2090. 9.
Putnam, B. J., M. Xue, Y. Jung, N. A. Snook, and G. Zhang, 2014:
The analysis and prediction of microphysical
states and polarimetric variables in a mesoscale convective system using double-moment
microphysics, multi-network radar data, and the ensemble Kalman
filter. Mon. Wea. Rev., 142(1), 141-162. 10.
Bodine,
D., R. D. Palmer, and G. Zhang, 2014:
Dual-wavelength polarimetric
radar analyses of tornadic debris signatures. J.
Appl. Meteor. Climatol., 53(2), 242-261. 11.
Li, Y., G. Zhang, and R.J. Doviak, 2014:
Ground Clutter Detection using the Statistical and
Physical Properties of Signals Received with a Polarimetric
Radar, IEEE Trans. On Signal Processing, 62(2), 597-606 12.
Kurdzo,
J. M., B. Cheong, R. Palmer, G. Zhang, J.
Meier, 2014:
A Pulse Compression
Waveform for Improved-Sensitivity Weather Radar Observations, J. Atmos. Ocean. Tech., 31(12). 2713-2731. 13.
Karimkashi, K., A. Kishk, D. Kaifez, G. Zhang, 2013:
Focusing properties of ultra
wideband transient arrays, Progress
In Electromagnetic Research B, 56,
387-407. 14.
Cao, Q., G. Zhang, and
M. Xue, 2013:
A variational
approach for retrieving raindrop size distribution from polarimetric
radar measurments in the presence of attenuation, J. Appl. Meteor. Climat.
52(1), 169-185. 15.
Karimkashi, S., and G. Zhang, 2013:
A
Dual-Polarized Series-Fed Microstrip Antenna Array
with very High Polarization Purity for Weather Measurements, IEEE Trans. on Antenna and Propagation, 61(10), 5315-5319. 16.
Karimkashi,
S., G. Zhang, A. Kishk, W. Bocangel,
R. Kelley, J. Meier, and R. Palmer 2013:
Dual-Polarization Frequency Scanning Microstrip Array Antenna with Low Cross-Polarization for
Weather Measurements, IEEE Trans. Antennas and Propagation, 61(11), 5444-5452. 17.
Wen, Y., Q. Cao, P. Kirstetter,
Y. Hong, J. J. Gourley, J. Zhang, G. Zhang, and B. Yong, 2013:
Incorporating NASA space-borne precipitation
research products into NOAA National Mosaic QPE system for improved
precipitation measurement: Comparison of statistical correction approaches and
a physically based VPR identification and enhancement method, Journal of Hydrometeorology, 14(4), 1293-1307 18.
Li, Y., G. Zhang, R.J. Doviak,
and D. S. Saxion, 2013: A Bayesian algorithm to separate
precipitation from ground clutter using scan-to-scan correlation, IEEE Geoscience and Remote Sensing Lett. 10(4),
855-859. 19.
Cao, Q., G. Zhang, R. Palmer, M. Knight, R. May, and R. Stafford, 2012:
Spectrum-Time Estimation and Processing (STEP) for improving weather radar data
quality, IEEE Trans. on Geoscience and Remote Sensing. 50(11), 4670-4683. 20.
Shen,
X. Y., Q. Qin, Y. Hong, G. Zhang, 2012:
A Matrix Inversion Approach of T-matrix
Calculation for Axially Symmetric Particles of Extreme Shape and Dielectrically
Large Dimension, Radio Science. 45(18), doi:10.1029/2011RS004906. 21.
Shen, X. Y., Q. Qin, Y. Hong, G. Zhang, and W.
Yuan, 2013:
Bare surface soil moisture estimation using double-angle and
dual-polarization L-band Radar data, Submitted to IEEE Trans. on Geoscience and Remote Sensing, 51(7), 3931-3942 22.
Lei, L., G. Zhang, R.
J. Doviak, 2013:
Bias correction for polarimetric phased array radar with aperture and patch
antenna elements, submitted to IEEE
Trans. on Geoscience and Remote Sensing, 51(1), 473-486. 23.
Karimkashi, S.,
A. Kishk and G. Zhang, 2012:
Modeling of
Aperiodic Array Antennas Using Infinitesimal Dipoles, submitted to IET Microwaves, Antennas and Propagation, 6(7), 761-767, doi:10.1049/iet-map.2011.0402. 24.
Yeary, M., G. Crain, A. Zahrai,
C. Curtis, J. Meier, R. Kelley, I. Ivic, R. Palmer,
D. Doviak, G. Zhang, T. Yu, 2012:
Multichannel
Receiver Design, Instrumentation, and First Results at the National Weather
Radar Testbed, IEEE
Trans. on Instrumentation and Measurement, 61(7), 2022-2033, doi:10.1109/TIM.2011.2178671. 25.
Karimkashi, S., and G. Zhang, 2012:
An Optimal Design for a Cylindrical Polarimetric Phased Array Radar for Weather Sensing, Radio Science, 47(10),
RS2017, doi:10.1029/2011RS004753. 26.
Li, Y., G. Zhang, and R.J. Doviak,
2013:
A new approach to detect ground clutter in weather radar observations, IEEE Trans. on Geoscience and Remote Sensing,
51(4), 2373-2387. 27.
Lei, L., G. Zhang, R. J. Doviak, R. D. Palmer, B. L. Cheong, M. Xue,
2012:
A multi-lag correlation estimator for polarimetric radar variables in the presence of noise, J. Atmos.
Ocean. Tech., 29(6). 772-795, doi:10.1175/JTECH-D-11-00010.1. 28.
Cao, Q., G. Zhang, R.
Palmer, 2012:
Detection and mitigation of second trip echo for polarimetric weather radar employing a magnetron
transmitter, IEEE Trans. on Geoscience
and Remote Sensing, 50(4), 1240-1253,
doi:10.1109/TGRS.2011.2164927. 29. Wen, Y., Y. Hong, G. Zhang, T. Schuur. J. Gourley, Z. Flaming,
R. Morris and Q. Cao, 2010:
Cross validation of space-borne radar and ground polarimetric radar aided by polarimetric
echo classification of hydrometeor types, J.
Appl. Meteor. Climat. 50(7), 1389-1402. 30.
Palmer, R.D.,
D. Bodine, M. Kumjian, B.
Cheong, G. Zhang, Q. Cao, H. Bluestain, A. Ryzhkov, T. Yu, and Y. Wang, 2011:
The 10 May 2010 tornado
outbreak in central Oklahoma: Potential for new science with high-resolution polarimetric radar, Bull.
Amer. Meteor. Soc., 92(7),
871-891, (3) 31. Cao, Q., M. Yeary, and G. Zhang, 2012:
Efficient ways of learning
weather radar polarimetry, IEEE Trans. on Education, 54(5),
doi:10.1109/TE.2011.2118211, (). 32.
Doviak, R. J., L. Lei, G. Zhang, J. Meier,
and C. Curtis, 2011:
Comparing theory and measurements of cross-polar fields
emitted a phased array antenna, IEEE Geoscience and Remote Sensing Letters,
8(9), 1002-1006. 33. Li, ZZ, Y. Zhang, G. Zhang. K. Brewster, 2011:
A
Microphysics-Based Simulator for Advanced Airborne Weather Radar Development,
IEEE
Trans. on Geoscience and Remote Sensing, Volume:
49(4), 1356-1373, (2). 34.
Zhang, G., R. J. Doviak, D. S. Zrnic, R. D. Palmer, L. Lei, Y. Al-Rashid, 2011:
Polarimetric Phased Array Radar for Weather Measurement: A
Planar or Cylindrical Configuration? J. Atmos. Ocean. Tech., 28(1), 63-73, (3). 35.
Zrnic, D.S., G. Zhang, and R. J. Doviak, 2011:
Bias Correction and Doppler Measurement for Polarimetric Phased Array Radar, IEEE Trans. on
Geoscience and Remote Sensing, 40(2),
843-853, (2). 36.
Zhang, G., Y. Li, R. J. Doviak, D. Priegnitz, J. Carter, and C. Curtis, 2011:
Multi-patterns
of the National Weather Radar Testbed Mitigate
Clutter Received via Sidelobes, J. Atmos. Ocean. Tech., 28(3), 401-409, (2). 37. Zhang, G., S. Luchs, A. Ryzhkov, M. Xue, L. Ryzhkova, and Q. Cao,
2011:
Winter precipitation microphysics
characterized by polarimetric radar and video disdrometer observations in central Oklahoma, J. Appl. Meteor. Climat., 50(7), 1558-1570. 38. Snyder, J.
C., H. B. Bluestein, G. Zhang, S. J. Frasier, 2010:
Attenuation
correction and hydrometeor classification of high-resolution, X-band,
dual-polarized mobile radar measurements in severe convective storms, J. Atmos. Ocean. Tech., 27(12), 1979-2001, (6). 39. Zrnic, D., R. J. Doviak,
and G. Zhang, and A. Ryzhkov, 2010:
Bias in
differential reflectivity due to cross coupling in the simultaneous
horizontal/vertical polarization mode, J.
Atmos. Ocean. Tech, 27(10), 1624-1637, (8). 40. Zrnic, D., G. Zhang, V. Melnikov, J. Andric, 2010:
Three
body scattering and hail size, J. Appl.
Meteor. Climat., 49(4), 687-700, (2). 41. Cao,
Q., G. Zhang, E. Brandes, and T. Schuur,
2010:
Polarimetric radar rain estimation through retrieval of drop size distribution using a Bayesian approach, J. Appl. Meteor. Climat., 49(5), 973-990, (3). 42. Yeary, M., T.Y. Yu, R. Palmer, H. Monroy, I. Ruin, G. Zhang, P. Chilson,
M. Biggerstaff, G. Weiss, K. Mitchell, and L. D.
Fink, 2010:
Working together for better student learning: A multi-university,
multi-federal partner program for asynchronous learning module development for
radar based remote sensing systems, IEEE
Trans. on Education, 53(3),
504-515, (). 43. Zhang, Y., A. Huston, M. Mallo
and G. Zhang, 2010:
A scatterometer system for laboratory study of polarimetric electromagnetic signatures of icy
hydrometeors, IEEE Transactions on Instrumentation and
Measurement. 59(3), 671-681, (1). 44. Xue, M., Y. Jung, G. Zhang, 2010:
State Estimation of Convective Storms with a
Two-Moment Microphysics Scheme and an Ensemble Kalman
Filter: Experiments with Simulated Radar Data, Quarterly Journal of Royal Meteorological Society, 136(684), 685-700, (1). 45. Jung, Y.,
M. Xue, and G. Zhang, 2010a:
Simulations of polarimetric radar signatures of a supercell
storm using a two-moment bulk microphysics scheme. J. Appl. Meteor. Climat., 49(1),
146-163, (7). 46. Jung, Y.,
M. Xue, and G. Zhang, 2010b:
Simultaneous estimation
of microphysical parameters and atmospheric state using simulated polarimetric radar data and ensemble Kalman
filter in the presence of observation operator error. Mon. Wea. Rev., 138(2),539-562, (3). 47. Le, K. D., R. D. Palmer, B. L. Cheong, T.-Y.
Yu, G. Zhang, and S. M. Torres, 2010:
Reducing the effects of noise on atmospheric imaging radars using
multi-lag correlation, Radio Science,
45(1), 272-284. 48. Zhang, G., R. J. Doviak,
D. S. Zrnic, J. E. Crain, D. Staiman,
and Y. Al-Rashid, 2009:
Phased array radar polarimetry
for weather sensing: A theoretical formulation for polarization calibration. IEEE Trans. on Geoscience and Remote Sensing,
47(11), 3679-3689, (13). 49.
Palmer, R.D.,
M. Biggerstaff, P. Chilson,
J. Crain, K. Droegemeier, Y. Hong, M. Yeary, T. Yu, G. Zhang, Y. Zhang, 2009:
Weather radar
education at the University of Oklahoma: An Integrated interdisciplinary
approach, Bull. Amer. Meteor. Soc., 90(9), 1277-1282, (2). 50. Xue, M., M. Tong, and G. Zhang,
2009:
Simultaneous state estimation and attenuation
correction for thunderstorms with radar data using an Ensemble Kalman Filter:
Tests with simulated data , Quart. J.
Royal Meteor. Soc., 135(643),
1409-1423, (7). 51. Cao, Q.,
and G. Zhang, 2009:
Errors in
estimating raindrop size distribution parameters employing disdrometer
and simulated raindrop spectra, J. Appl.
Meteor. Climat, 48(3), 406-425, (7). 52. Le, K. D.,
R. D. Palmer, B. L. Cheong, T.-Y. Yu, G. Zhang, and S.
M. Torres, 2009:
On the use of auxiliary receive channels for
clutter mitigation with phased array weather radars, IEEE Transactions on Geoscience and Remote
Sensing, 47(1), 272-284, (7). 53. Zhang, G.,
M. Xue, Q. Cao, and D. Dawson, 2008:
Diagnosing the intercept parameter for exponential raindrop size distribution
based on video disdrometer observations: Model
development, J. Appl. Meteor. Climat, 47(11), 2983–2992, (12). 54. Zhang, G.,
and R. J. Doviak, 2008:
Spaced antenna interferometry
to detect and locate subvolume inhomogeneities
of reflectivity: an analogy with monopulse radar, J. Atmos. Ocean. Tech., 25(11), 1921–1938, (9). 55. Cao, Q.,
G. Zhang, E. Brandes, T. Schuur,
A. Ryzhkov, and K. Ikeda, 2008:
Analysis of video disdrometer and polarimetric
radar data to characterize rain microphysics
in Oklahoma. J. Appl. Meteor. Climat., 47(8), 2238-2255, (18). 56. Jung, Y., G. Zhang, and M. Xue, 2008:
Assimilation of simulated polarimetric
radar data for a convective storm using ensemble Kalman filter. Part I: Observation operators for
reflectivity and polarimetric variables. Mon. Wea. Rev.,
136(6),
2228–2245, (19). 57. Jung, Y., M. Xue, G. Zhang, and J. Straka,
2008:
Assimilation of simulated polarimetric radar
data for a convective storm using ensemble Kalman filter. Part II: Impact of polarimetric
data on storm analysis. Mon. Wea. Rev., 136(6),
2246–2260, (16). 58. Xue, M., Y. Jung, and G. Zhang,
2007:
Error modeling of simulated reflectivity observations for ensemble Kalman filter data assimilation of convective storms. Geophys. Res. Letters, 34, L10802,
doi:10.1029/2007GL029945, (7). 59. Brandes, E., K. Ikeda, G. Zhang, M. Schönhuber, and R. M. Rasmussen, 2007:
A
statistical and physical description of hydrometeor distributions in colorado snowstorms using a video disdrometer, Accepted and to appear in J. Appl. Meteor. Climat.,
46(5), 634-650, (36). 60. Zhang, G.,
and R.J. Doviak, 2007:
Spaced antenna interferometry to
measure crossbeam wind, shear, and turbulence: Theory and formulation, J. Atmos. Ocean. Tech.,
24(5), 791-805, (15). 61. Zhang, G., J. Sun, and E. A. Brandes, 2006:
Improving parameterization of rain
microphysics with disdrometer and radar observations.
J. Atmos. Sci., 63 (4):
1273-1290, (17).
64. Zhang, G., T. Yu, and R. J. Doviak, 2005:
Angular and range interferometry to refine
weather radar resolution, Radio Science,
40(3), RS3013, doi:10.1029/2004RS003125,
(2). 65. Zhang, G.,
R. Doviak, J. Vivekanandan,
W. Brown, and S. A. Cohn, 2004:
Performance of correlation estimators for
spaced antenna wind measurement in the presence of noise, Radio Science, 39(3), RS3017, doi:10.29/2003RS003022,
(2). 66. Brandes, E., G. Zhang, and J. Vivekanandan,
2004:
Drop size distribution retrieval with polarimetric
radar: model and application, J. Appl. Meteor., 43(3), 461-675, (44). 67. Brandes, E., G. Zhang, and J. Vivekanandan,
2004:
Comparison of polarimetric radar drop size
distribution retrieval algorithm, J.
Atmos. Ocean. Tech., 21(4),
576-590, (32). 68. Vivekanandan, J., G. Zhang, and E. Brandes, 2004:
Polarimetric radar rain estimators based on constrained
Gamma drop size distribution model, J.
Appl. Meteor., 43(2), 217-230,
(31). 69. Doviak, R. J., G. Zhang, S. A. Cohn,
and W. Brown, 2004:
Comparison of spaced-antenna wind estimators: Theoretical
and simulation results, Radio Science,
39(1),
RS1006, doi:10.1029/2003RS002931, (1). 70. Zhang, G., R. Doviak,
J. Vivekanandan, and T. Yu, 2003:
Angular and range
interferometry to measure wind, Radio
Science, 38 (6): Art. No. 1106, (2). 71. Zhang, G., J. Vivekanandan,
E.A. Brandes, R. Meneghini,
and T. Kozu, 2003:
The shape-slope relation in Gamma
raindrop size distribution: statistical error or useful information?, J. Atmos. Ocean.
Tech., 20 (8), 1106-1119, (36). 72. Brandes, E., G. Zhang, and J. Vivekanandan,
2003:
An evaluation of a drop distribution-based rainfall estimator, J. Appl. Meteor.,
42(5), 652-660, (51). 73. Zhang, G., R. Doviak,
J. Vivekanandan, W. Brown, and S. A. Cohn, 2003:
Cross-correlation ratio method to estimate cross beam wind and comparison with
the full correlation analysis, Radio
Science, 38(3), Art. No. 8052,
doi:10.1029/2002RS002682, (13). 74. Vivekanandan, J., G. Zhang, and S.M. Ellis, 2003:
Radar
reflectivity calibration using differential propagation phase measurement. Radio
Science, 38(3), 8050, doi:10.1029/2002RS002673, (12). 75. Brandes, E., G. Zhang, and J. Vivekanandan,
2002:
Experiments in rainfall estimation with a polarimetric
radar in a subtropical environment, J.
Atmos. Meteor., 41(6),
674-685, (104). 76. Zhang, G., J. Vivekanandan,
and E. Brandes, 2002:
Effects of random inhomogeneity
on radar measurements and rain rate estimation. IEEE Trans. on Geoscience and Remote Sensing, 40(1), 223-227, (5). 77. Zhang, G., J. Vivekanandan,
and E. Brandes, 2001:
A method for estimating rain
rate and drop size distribution form polarimetric
radar measurements. IEEE Trans. on
Geoscience and Remote Sensing, 39(4),
831-841, (74). 78. Vivekanandan, J., G. Zhang, M. K. Politovich,
2001:
An assessment of droplet size and liquid water content
derived from dual-wavelength radar measurements to the application of aircraft
icing detection. J.
Atmos. Oceanic. Technol., 18(11), 1787-1798, (16). 79. Vivekanandan, J., B. Martner,
M.K. Politovich, and G. Zhang, 2000:
Aircraft icing
detection using dual-wavelength radar observations. IEEE Trans. on Geoscience and Remote Sensing, 37(5), 2325-2334, (23). 80. Zhang, G., L. Tsang, and K. Pak, 1998:
Angular correlation function and scattering coefficient of electromagnetic wave
scattered by a buried object under a two-dimensional rough surface. Journal of the Optical Society of America
A., 15(12), 2995-3002, (32). 81. Kuga, Y., G. Zhang, J. Yea, and A. Ishimaru, 1998:
Millimeter wave experiments on angular
correlation function of waves scattered from randomly distributed cylinders. Radio Science, 33(6), 1505-1516, () 82. Zhang, G. and L. Tsang, 1998:
Application of
angular correlation function of clutter scattering and correlation imaging in
the target detection. IEEE Trans. on
Geoscience and Remote Sensing, 36(5), 1485-1493, (20). 83. Kuga, Y., G. Zhang, J. Yea, and A. Ishimaru, 1998: Analytical and numerical studies of angular
correlation function of waves scattered from randomly distributed cylinders. Waves in Random Media, 8(3),
269-281, (1). 84. Zhang, G., L. Tsang, and Y. Kuga, 1998:
Numerical studies of the detection of targets in clutter by Using Angular
Correlation Function and Angular Correlation Imaging. Microwave and Optical Technology Letters, 17(2), 82-86,
(3). 85. Zhang, G. and L. Tsang, 1997:
Angular
correlation function of wave scattering by a random rough surface and discrete scatterers and its application in the detection of a buried
object. Waves in Random Media, 7(3), 467-478, (6). 86. Zhang, G., L. Tsang, and Y. Kuga, 1997:
Studies of angular correlation function of scattering by random rough surface
with and without a buried object. IEEE
Trans. Geoscience and Remote Sensing, 35(2)
444-453, (22). 87. Zhang, G., T. Tsang, and Y. Kuga, 1997:
The
angular correlation function of wave scattering by a buried object embedded in
random discrete scatterers under a random rough
surface. Microwave and Optical Technology
Letters, 14(3), 144-151, (8). 88. Tsang, L., G. Zhang, and K. Pak, 1996:
Detection of a buried object under a single random rough surface with angular
correlation function in EM wave scattering. Microwave
and Optical Technology Letters, 11(6),
300-304, (21). 89. Zhang, G., L. Tsang, and Z. Chen, 1996:
Collective scattering effects of tree generated by Stochastic Lindenmayer systems. Microwave
and Optical Technology Letters, 11(2),
107-111, (8). 90. Tsang, L., K. H. Ding, G. Zhang, C. Hsu, and
J. A. Kong, 1995:
Backscattering enhancement and clustering effects of randomly
distributed dielectric cylinders overlying a homogeneous dielectric half-space
based on Monte-Carlo simulations. IEEE
Trans. Antenna & Propagation, 43(5),
488-499, (38). 91. Chen, Z., L. Tsang, and G. Zhang, 1995:
Microwave scattering by vegetation based on wave approach and stochastic Lindenmayer system. Microwave
and Optical Technology Letters,
8(1), 30-33, (8). 92. Zhang, G., J. Hou,
S. Ito and T. Oguchi, 1990:
Optical wave propagation
in random medium composed of both turbulence and particles. Journal of Communication Research Laboratory,
37(151/152), 43-62, (). Refereed Journal Publications
in Chinese
93. Huang, F., and G. Zhang, 1993: Wave beam
propagation in composite random medium, Chinese
Journal of Radio Science, 8(4),
42-50. 94. Yang, H., G. Zhang, 1991: Correlation
function of waves in a composite random medium. Chinese Journal Of Radio Science,
6(3), 42-49. 95. Zhang, G. and J. Hou,
1991: The correlation and spectrum of scattered wave by a composite random
medium. Journal of Wuhan University (Special
issue on wave propagation), pp 72-78. 96. Zhang, G. and J. Hou,
1990: The second moment of wave field in composite random medium. Journal of Wuhan University (Natural
science edition), 47-56. 97. Hou, J. and G. Zhang, 1989: Wave propagation in
composite random medium. Journal of Wuhan University (Natural
science edition), 31-38. 98. Hou, J. and G. Zhang, 1988: A study of pulse
parameter in random medium. Journal of
Wuhan University (Natural science edition), 65-72. 99. Zhang, G., and J. Hou,
1987, The correlativity of pulse train propagation in
random medium, Chinese Journal of Radio
Science, 2(1), 17-25. 100. Zhang, C., H. Li, G. Zhang, R. Huang, and R.
Yan, 1987: Rain attenuation on earth-space path at 12GHz - Summary of 3 years. Journal of Wuhan University (Natural
science edition), 45-52. Non-referred Journal Article Palmer, R.D., G. Zhang, M. Biggerstaff, P. B. Chilson, J.
Crain, S. Torres, M. Yeary,
T.Y. Yu, Y. Zhang,
Atmospheric Radar Research Center - ARRC, University of Oklahoma, USA, IEEE Geoscience and Remote Sensing Society Newsletter, 2007 Book Zhang, G.,
Weather Radar Polarimetry,
CRC Press, 2016. Book
Chapter 1.
Chen,
Z., L. Tsang, and G. Zhang, 1996: Application of stochastic Lindenmayer
systems to study collective and cluster scattering in microwave remote sensing
of vegetation. Progress in
Electromagnetics Research, EMW Publishers, Cambridge, Massacusetts,
14, 233-277. 2.
Cao,
Q., and G. Zhang, 2012: Radar Polarimetry for Rain
Estimation, Multiscale Hydrologic Remote Sensing: Perspectives and Applications Edited by N. Chang
and Y. Hong. (pp. 303-334).
Taylor & Francis. ISBN: 978-1-4398-7745-6. doi: 10.1201/b11279-18 Patent
Awards 1.
Zhang,
G., R. Palmer, R. J. Doviak, and D. Zrnic,
A patent #8988274 of "Cylindrical Polarimetric Phased Array Radar" awarded by US patent
office, 24 March 2015. 2.
Zhang,
G., J. Vivekanandan, R. J. Doviak,
A patent #6721678 of "Cross-correlation method for estimating 3-D wind field"
awarded by US patent office, 2003. 3.
Vivekanandan, J., and G. Zhang, A patent #6536948 of
"Microwave Radar Technique for Retrieving Temperature"
awarded by US patent office, 2002. Intellectual Property Disclosures 1.
Zhang,
G., D. Zrnic, and L. Borowska
"Joint Signal Processing for High Efficiency in MPAR Design and Development" OU
Intellectual Property Disclosure (#15NOR003), 14 July, 2014. 2.
Zhang,
G., "MPAR Scan Strategy with Hybrid Waveforms" OU Intellectual Property
Disclosure (#14NOR014), 11 October, 2013. 3.
Kurdzo, J., B. Cheong, R. Palmer, and G. Zhang,
"Optimized pulse compression waveform for high-sensitivity radar observations"
OU Intellectual Property Disclosure (#13NOR022), 26 October,
2012. 4.
Lakshmanan, V., and G. Zhang, "Combining communication
signals and radar measurements to better monitor communication and weather
conditions" OU Intellectual Property Disclosure (#12NOR049), 10 May 2012 5.
Karimkashi, S, and G. Zhang, "Dual-polarization
Frequency Scanning Microstrip Antenna", OU
Intellectual Property Disclosure (#12NOR048), 4 May 2012. 6.
Zhang,
G., R. J. Doviak, and Y. Li, "Scan-to-scan method to
improve radar data quality by detecting and removing clutter" OU Intellectual
Property Disclosure (#12NOR027), 30 January 2012 7.
Zhang,
G. and R.D. Palmer, " Multiple interval Spectrum-Time Estimation and Processing
(Multi-STEP) for radar signals" OU Intellectual Property Disclosure
(#11NOR001), 8 July 2010 8. Zhang, G., R.D. Palmer, D.S.
Zrnic and R. J. Doviak, "A
cylindrical polarimetric phased array radar" OU
Intellectual Property Disclosure (#10NOR014,
28 October 2009), US
provisional patent filed, 2009; US patent application (#12947523), 2010. 9.
Zhang, G., R. J. Doviak, D.S. Zrnic,
and J. E. Crain, "A calibration
algorithm for phased array radar polarimetry" OU Intellectual
Property Disclosure (#09NOR005),
28 July 2008. 10. Kuga, Y., and G. Zhang, ``SAR scene images of trees
generated by Lindenmayer systems'', submitted to
DEMACO Inc., July 31, 1996. 11. Kuga, Y., and G. Zhang, ``Light scattering from a
spherical particle embedded in a SiO2 layer'', submitted to KLA
Instruments Corporation, May 22, 1995. Conference Presentations/Papers
19.
Mahale,
Vivek N., and G. Zhang and M. Xue, 2013:
Microphysics of
the 14 June 2011 Norman, Oklahoma Downburst from Dual-polarization and
Dual-Doppler Radar Measurements, AMS
annual meeting/16th ARAM, Austin, TX, 5-10 January, 2013.
23.
Putnam,
B., M. Xue, Y. Jung, N. Snook, and G.
Zhang,
The Analysis and Prediction of Polarimetric Variables and Microphysical States of
Convective Storms Using Double-Moment Microphysics, Multi-Network Radar Data,
and the Ensemble Kalman Filter, AMS annual meeting/17th IOAS-AOLS, Austin,
TX, 5-10 January, 2013 24.
Cao,
Q., Y. Hong, G. Zhang, J. J. Gourley, P. E. Kirstetter, J. Zhang, A. Ryzhkov,
and T. S. L'Ecuyer, 2013: Icing-related hazardous weather revealed by CloudSat
and NMQ system:
Potential for enhancing the hydrometeor classification in
sub-freezing region, AMS annual
meeting/27th Conference
on Hydrology, Austin, TX, 5-10 January, 2013. 25.
Bukovcic, P., D. Zrnic, and G. Zhang, 2013: ClassificationWinter Storm Transition
Revealed With Polarimetric Radar and 2DVD
observation, USNC-URSI, Boulder, CO, 4-7
January, 2013 26.
Putnam, B., M. Xue, Y. Jung, N. Snook, and G.
Zhang The analysis and prediction of microphysical states and polarimetric variables in a mesoscale
convective system using double-moment microphysics, multi-network radar data,
and the ensemble Kalman filter, Warn-on-Forecast and
High Impact Weather Workshop, Norman, OK 8-9 February, 2012. 27.
Li, Y., G. Zhang, R. Doviak, Saxion, 2012: A Bayes algorithm to separate precipitation
from ground
clutter using scan-to-scan correlation technique, USNC-URSI, Boulder, CO, 4-7
January, 2012 28.
Bukovcic, P., D. Zrnic,
and G. Zhang, 2012: Winter Storm
Transition Revealed With Polarimetric Radar and 2DVD
observation, USNC-URSI, Boulder, CO, 4-7
January, 2012 29.
Karimkashi, S., G. Zhang, 2012: Cross-Polarization Reduction of the Phased
Array Radar for Precipitation Measurement, USNC-URSI, Boulder, CO, 4-7
January, 2012 30.
Lei, L. G. Zhang, and R. J. Doviak, 2012:
Theoretical
analysis of polarization characteristics for planar and cylindrical phased
array radars, AMS annual meeting/27th
Conference on IIPS, New Orlean, LA, 22-26
January, 2012.
38.
Karimkashi, S., A. Kishk, G. Zhang,
Application of
Invasive Weed Optimization in Designing Aperiodic Antenna Arrays using Dipole
Models, IEEE AP-S International Symposium on Antennas and Propagation and 2011
USNC/URSI-Meeting, Spokane, Washington, 3-8 July, 2011. 39.
Karimkashi, S., and G. Zhang, Pattern Synthesis for Cylindrical Polarimetric Phased Array Weather Radar, IEEE AP-S
International Symposium on Antennas and Propagation and 2011 USNC/URSI-Meeting,
Spokane, Washington, 3-8 July, 2011. 40.
Zhang, G., R. J. Doviak, D. S. Zrnic, R. D. Palmer, L Lei, Y. Al-Rashid,
Polarimetric
Phased Array Radar for Weather Measurement: Issues and Solutions, IEEE Radar Conference, Kansas City,
Missouri, 23-27 May, 2011 41.
Galletti, M., D. Zrnic, R.J. Doviak, G. Zhang, J.
Crain
CPPAR - Cylindrical Polarimetric
Phased Array Radar - System Design, IEEE
Radar Conference, Kansas City, Missouri, 23-27 May, 2011 42.
Lei L., G. Zhang, R. Doviak,
Design and Simulations for a Cylindrical Polarimetric
Phased Array Weather Radar, IEEE Radar
Conference, Kansas City, Missouri, 23-27 May, 2011
44.
Li, Y., G. Zhang, R. Doviak,
A New Approach to Detect the Ground Clutter
Mixed with Weather Echoes, IEEE Radar
Conference, Kansas City, Missouri, 23-27 May, 2011 45. Wen, Y., Y. Hong,
J. Zhang, G. Zhang, J. Gourley, S. Chen,
Incorporating NASA Space-Borne Precipitation
Research Products Into National Mosaic QPE Operational System for Improved
Precipitation Measurements, IEEE Radar
Conference, Kansas City, Missouri, 23-27 May, 2011 46.
Wen, Y., Y. Hong, J. Zhang, G. Zhang, J.J. Gourley and S. Chen, Incorporating NASA space-borne
precipitation research products into National Mosaic QPE operational system for
improved precipitation measurements, USNC-URSI,
Boulder, CO, 5-8 January, 2011.
59. Berry Y. Wen, T. Schuur, G. Zhang, J.j. Gourley, Y. Hong, Cross validation of space-borne radar and
ground dual-polarimetric radar, URSI-Natioanl Radio Science Meeting, Boulder, CO, 6-9 January, 2010 60. Cao, Q., G. Zhang, Issues in variational retrieval of raindrop size distribution from polarimetric radar data, URSI-Natioanl Radio Science Meeting, Boulder, CO, 6-9
January, 2010 61. Li, Y., G. Zhang, R. J. Doviak, A
spaced-antenna simulator based on configuration of the National Weather Radar Testbed (NWRT), URSI-Natioanl Radio Science Meeting, Boulder, CO, 6-9
January, 2010
77. Lei, L.,
G. Zhang B.L.Cheong, R. D. Palmer, M. Xue,
Simulations of Polarimetric
Radar Signals Based on Numerical Weather Prediction Model Output, 25th Conference on IIPS, AMS
Annual Meeting, Phoenix, January, 2009. 78. Zrnic, D. S., and G. Zhang,
Polarimetric phased array radar – possibilities and
challenges, 25th Conference on
IIPS, AMS Annual Meeting, Phoenix, January, 2009. 79. Cao, Q.,
and G. Zhang, M. Xue,
Variational
Retrieval of Raindrop Size Distribution from Polarimetric
Radar Data in presence of attenuation, 25th
Conference on IIPS, AMS Annual Meeting, Phoenix, January, 2009. 80. Scipion, D. E., R. D. Palmer, P. B. Chilson, E. Fedorovich, R.J. Doviak, G. Zhang, and A. M. Botnick,
Effects of convective boundary layer inhomogeneities
on radar measurements of mean wind and turbulence, 25th Conference on IIPS, AMS Annual Meeting, Phoenix,
January, 2009. 81. Bukovcic, P., D. Zrnic,
and G. Zrnic, A study of
precipitation microphysics using S- and X- band polarimetric
radar measurements, 13rd
Conference on IOAS, AMS Annual Meeting, Phoenix,
January, 2009. 82. Zhang, G.
Y. Li, R. J. Doviak, J. Carter, and D. Priegnitz, Multi-Beam
Experiment for the Phased Array Radar Calibration and Sidelobe
Reduction, URSI'09, Boulder, 5-8
January 2009 83. Zrnic, D. S., G. Zhang, V. Melnikov, and J. Andric, Three Body Scattering and Hail Size, URSI'09,
Boulder, 5-8 January 2009. 84. Zhang, Y.,
R. Palmer, G. Zhang, K. Brews, M. Xue, T.Y. Yu, M. B.
Yeary, and P.B. Chilson,
"Multi-functional airborne external hazard monitoring radar with antenna
diversity." SPIE Symposium on Optical
Engineering and Applications: Remote Sensing Applications for Aviation
Weather Hazard Detection and Decision Support, San Diego, 10-14 August 2008. 85. Zhang, G.,
R. J. Doviak, D. Zrnic, and
J. Crain,
Phased array radar polarimetry for weather
sensing: challenges and opportunities IGARSS'08,
Boston, 6-11 July 2008. 86. Ryzhkov, A, G.
Zhang, S. Luchs, L. Ryzhkova, "Polarimetric
characteristics of snow measured by radar and 2D video disdrometer"
ERAD, Helsinki, Finland, 30 June – 4 July 2008. 87. Doviak, R. J., M. Fang, V. Melnikov, and G. Zhang, "Theoretical and practical
considerations in using spectrum width data" ERAD, Helsinki, Finland, 30 June –
4 July 2008. 88. Dawson, D.
T. , M. Xue, J. A. Milbrandt, M.K. Yau, G. Zhang,
"Analysis of Low-Level Downdraft, Cold Pool, and Tornado Behavior of Simulated Supercell Storms of the 3 May 1999 Oklahoma Tornado
Outbreak with Single and Multi-Moment Microphysics", US-China Symposium on Meteorology, 26 – 28 February 2008. 89. Cao, Q.,
and G. Zhang, "
A Baysian approach to retrieve
raindrop size distributions from polarimetric radar
measurements", 24rd Conference
on IIPS, AMS Annual Meeting, New Orleans, LA,
January 2008. 90. Morris,
M., P. Chilson, G. Zhang, Q. Cao, R. Palmer, M.
Teshiba1, L. Kanofsky1, T. Schuur
and A. Ryzhkov, "Validation of Raindrop Size
Distributions Retrieved from Polarimetric Radar
Variables", 24rd Conference on
IIPS, AMS Annual Meeting, New Orleans, LA, January 2008. 91. Yeary, M., R. Palmer, M. Xue, Y. Yu, G. Zhang, A. Zahrai, J. Crain, Y. Zhang, R. Doviak,
Q. Xu, and P. Chilson, "
Introduction to multi-channel
receiver development for the realization multi-mission capabilities at the
National Weather Radar Testbed", 24rd Conference on IIPS, AMS
Annual Meeting, New Orleans, LA, January 2008. 92. Zhang, G, R. J. Doviak, C. Curtis, and Q. Cao, "Multi-patterns to Reduce Sidelobe Effects on the National Weather Radar Testbed", Symposium on Recent Developments
in Atmospheric Applications of Radar and Lidar, AMS
Annual Meeting, New Orleans, LA, January 2008. 93. Zhang, G.,
Q. Cao, M. Xue, P. Chilson,
M. Morris, R. Palmer, J. Brotzge, T. Schuur, E. Brandes, K. Iketa, A. Ryzhkov, D. Zrnic, and E. Jessup ,
"A Field
Experiment to Study Rain Microphysics Using Video Disdrometers,
A Profiler, and Polarimetric S and X-Band Radars", Symposium on Recent Developments in Atmospheric
Applications of Radar and Lidar, AMS
Annual Meeting, New Orleans, LA, January 2008.
111. Brandes, E., T. J. Schuur,
A. V. Ryzhkov, G. Zhang, and K. Ikeda, "
Rain
Microphysics Retrieval with a Polarimetric WSR-88D", 32nd
Radar Meteorology Conference, Albuquerque, New Mexico, 24-29 October, 2005. 112. Brown, W.,
G. Zhang, T.-Y. Yu, and S. Cohn, "
A Demonstration of a
Scanning Multiple Antenna UHF Radar", 32nd
Radar Meteorology Conference, Albuquerque, New Mexico, 24-29 October, 2005.
113. Kyoko
Ikeda, E. Brandes, G. Zhang, and S. A. Rutledge, "
Observations of Winter Storms
with a 2-D Video Disdrometer and Polarimetric
Radar," 32nd Radar Meteorology Conference,
Albuquerque, New Mexico, 24-29 October, 2005. 114. Kanofsky, L., P. B. Chilson,
T. J. Schuur, G. Zhang, and E. A. Brandes, "
A comparative study of drop
size distribution retrieval using two video disdrometers
and a UHF wind profiling radar," 32nd
Radar Meteorology Conference, Albuquerque, New Mexico, 24-29 October, 2005.
115. Serke, D., G. Zhang, J. Vivekanandan, T. L. Schneider, P. Minnis,
and M. Poellot, "
Verification of S-Polka Ka Band Radar/Radiometer LWC and RES Retrievals with GRIDS
Retrievals and Aircraft Measurements and Comparison to GOES Icing Products for
the WISP04 10-11 March Event", 32nd Radar Meteorology Conference, Albuquerque, New Mexico, 24-29 October,
2005. 116. Yu, Y. T.,
G. Zhang, A. Chalamalasetti, R. J. Doviak, and D. S. Zrnic, "
Improve radar resolution using
range oversampling," 32nd Radar
Meteorology Conference, Albuquerque, New Mexico, 24-29 October, 2005. 117. Zhang,
G., R. J. Doviak, R. Palmer, T. Y. Yu, and P. Chilson, "
Bistatic Interferometry
to Measure Clear Air Wind," 32nd
Radar Meteorology Conference, Albuquerque, New Mexico, 24-29 October, 2005.
118. Zhang, G., J. Dudhia, E. Brandes, W. Wang and
J. Sun, "
Disdrometer
and Radar Observation-Based Microphysical Parameterization to Improve Weather
Forecast", 32nd Radar
Meteorology Conference, Albuquerque, New Mexico, 24-29 Octiber,
2005.
127. Ellis, S., C. William, E. Brandes,
and G. Zhang,
Comparison of rain drop size distribution retrievals from
polarization diversity radar and profiling radar using video disdrometer measurements, Proc. of the 31st Conference on Radar Meteorology,
Seattle, 6-12 August, pp 4-7, 2003. 128. Williams, J., J. Vivekanandan
and G. Zhang,
Enhanced dual-wavelength technique for remote detection of cloud
liquid water content,
Proc. of the 31st Conference on Radar
Meteorology,, Seattle, 6-12 August, pp 130-133,
2003. 129. Zhang, G., J. Vivekanandan,
and E. Brandes,
Constrained Gamma drop size
model for polarimetric radar rain estimation:
justification and development, Proc. of the 31st Conference on
Radar Meteorology, Seattle, 6-12 August, pp
256-259, 2003. 130. Zhang, G., R. Doviak,
J. Vivekanandan, and T. Yu, Single-antenna
interferometry to measure wind, Proc. of the 31st Conference on
Radar Meteorology, Seattle, 6-12 August, pp
740-743, 2003. 131. Politovich, M., G. Zhang, J. Vivekanandan,
and J. Williams, Characteristics of clouds containing SLD relevant to remote
sensing, AIAA meeting, April, 2003. 132. Brandes, E., G. Zhang, and J. Vivekanandan,
Precipitation estimation with polarimetric radar:
Results of field studies, World Weather
Research Programme's (WWRP) International
Conference on Quantitative Precipitation Forecasting (QPF), UK, 2-6 September, 2002. 133. Brandes, E., G. Zhang, and J. Vivekanandan,
Monitoring drop-size distributions with polarimetric
radar, 11th Conference on Cloud Physics, Ogden, UT,
3-7 June, 2002. 134. Brandes, E., G. Zhang, and J. Vivekanandan,
Monitoring drop-size distributions and associated rain rates with polarimetric radar, USWRP
workshop, Boulder, 22-24 April, 2002. 135. Vivekanandan, J. and G. Zhang, Effects of scattering due to ice particles on
measurement of down-welling radiation observation of K and V-band radiometers, 10th ARAM, Portland, OR,
13-16 May, 2002. 136. Williams, J., J. Vivekanandan,
J. and G. Zhang, Evaluation of remote icing detection techniques using X-, Ka-, and W-band radar and microwave radiometer
observations, 10th ARAM, Portland, OR, 13-16 May, 2002. 137. Zhang, G., R. Doviak,
and J. Vivekanandan,
Range interferometry technique
to determine radial wind, IGARSS'02,
Toronto, Canada, 23-28 June, 2002. 138. Zhang, G., J. Vivekanandan,
E.A. Brandes, The shape-slope relation in Gamma
raindrop size distribution: statistical error or useful information?, USWRP workshop, Boulder, 22-24 April,
2002. 139. Brandes, E., G. Zhang, J. Vivekanandan,
and S. M. Ellis, An evaluation of polarimetric radar
rainfall estimators in a semi-tropical environment. Proc. of AMS Radar Conference, Germany, 19-24 July, pp638-640,
2001. 140. Vivekanandan, J., E., G. Zhang, and M. Politovich, Ananlysis of a
dual-wavelength radar technique for estimating liquid water content and droplet
size, Proc. of AMS Radar Conference, Germany, 19-24 July, pp157-159,
2001. 141. Vivekanandan, J., and G. Zhang, Preciptation
particle classification and raindrop size distribution retrieval fro s-band polarimetric radar measurements. AP-RASC'01,
Tokyo, Japan, 1-4 August, pp169, 2001. 142. Vivekanandan, J. and G. Zhang,
Numerical study of
multi-frequency dual-polarization microwave radiometry technique for supercooled liquid water detection. Proc. of IGARSS'01, Sydney, Ausralia,
9-13 July, 2001. 143. Zhang, G., J. Vivekanandan,
and E. Brandes, Sampling effects on radar
measurements and its consequence on parameter retrieval. Proc. of IGARSS'01, Sydney, Ausralia, 9-13 July, 2001. 144. Zhang, G., J. Vivekanandan,
and R. J. Doviak, Innovative cross-correlation method
for determining three-dimensional wind. Proc.
of AMS
Radar Conference, Germany, 19-24 July, pp471-473, 2001. 145. Brandes, E., G. Zhang, J. Vivekanandan,
and S. M. Ellis, An evaluation of polarimetric radar rainfall
estimators in a semi-tropical environment. 2nd
USWRP Symp., Boulder,
Colorado, 27-29 March, 2000. 146. Brandes, E., G. Zhang, J. Vivekanandan,
and S. M. Ellis, A study of polarimetric radar
rainfall estimators in a semi-tropical environment. AGU 2000 Spring Meeting, 30 May - 3 June,
2000. 147. Vivekanandan, J., G. Zhang, E. Brandes
and J. Miller, Raindrop size distribution retrieval using polarimetric
radar measurements. 2nd USWRP Symp., Boulder, Colorado, 27-29 March, 2000. 148. Vivekanandan, J., G. Zhang, and M. K. Politovich,
Multi-frequency and polarization radar-based detection of liquid droplets.
9th conference of aviation, range, and aerospace meteorology,
Orlando, Florida, Sept., 2000. 149. Vivekanandan, J., G. Zhang, and M. K. Politovich,
Estimation of cloud droplet size and liquid water content using dual-wavelength
radar measurememts. Proc. Of IGARSS'00, Hawaii, 24-28 July, pp1813-1816, 2000. 150. Zhang, G., J. Vivekanandan,
and E. Brandes,
A method for estimating rain rate and
drop size distribution from polarimetric radar
measurements. Proc. Of IGARSS'00,
Hawaii, 24-28 July, pp180-183, 2000. 151. Vivekanandan, J., G. Zhang, and M.K. Politovich,
Estimate of droplet size and liquid water content using dual-frequency radar
measurements for aircraft icing detection.
Proc. of 29th ICRM, Montreal, Canada,12-16
July, pp872-875, 1999. 152. Vivekanandan, J., G. Zhang, and A.V. Ryzhkov,
Estimation of canting angle distribution of raindrop spectra using radar
measurements. International Radar Symposium, India, Dec., 1999. 153. Zhang, G., J. Vivekanandan,
and M.K. Politovich, Effect of scattering on
microwave passive remote sensing of cloud liquid water content. The 8th conference of aviation,
range, and aerospace meteorology, Dallas, TX, Jan.,
1999. 154. Zhang, G. and J. Vivekanandan,
Microwave radiation from mixed phase cloud for ground-based radiometer remote
sensing. Proc. Of IGARSS'99, Hamburg, Germany, 28 June – 2 July, 1999. 155. Li, L., C.H. Chan, L. Tsang, and G. Zhang
Wave scattering from a lossy dielectric rough
surface using PBTG BMIA/CAG and applications to passive remote sensing,
Proc. of IGARSS'98, Seattle, WA, 6-10 July, 1998. 156. Zhang, G. and L. Tsang,
Angular correlation
function and scattering coefficient of electromagnetic waves scattered by a 3-D
buried object under a 2-D rough surface. Proc. of IGARSS'98, Seattle,
WA, 6-10 July, 1998. 157. Pak, K., T. Tsang, and G. Zhang, Numerical
studies of electromagnetic wave scattering from two-dimensional random rough
surfaces. Proc. of PIERS'97, Hong Kong, pp464, 1997. 158. Tsang, L., K. Pak, and G. Zhang, Application
of the angular correlation function of scattered wave by a random rough surface
with and without a single scattering object. Proc. of PIERS'97, Hong
Kong, pp466, 1997. 159. Zhang, G., L. Tsang, and Y. Kuga,
Application
of angular correlation function of wave scattering by a random rough surface
and random discrete scatterers in target detection. Proc.
of IGARSS'97, Singapore, July, 1997. 160. Zhang, G., L. Tsang, and Y. Kuga, A study of
electromagnetic wave scattering by a buried object in the presence of a random
rough surface and random media using angular correlation function (ACF). PIERS'97,
Cambridge, 1997. 161. Tsang, L., G. Zhang, and K. Pak,
Numerical
study of detection of a buried object under a single random rough surface with
angular correlation function. Proc. Of IGARSS'96, Lincoln, NE, pp2143-
2145, 1996. 162. Zhang, G. and L. Tsang,
Wave scattering and
scene images of trees generated by Lindenmayer
systems. Proc. Of IGARSS'96, Lincoln, NE, pp728-729, 1996. 163. Chen, Z., G. Zhang, L. Tsang, And W. Au,
Collective scattering effects and applications of stochastic Lindenmayer systems in microwave remote sensing. Proc.
of PIERS'95 ,
Seattle, WA, 1995. 164. Tsang, L., Z. Chen, G. Zhang, and W. Au,
Microwave
scattering by plants generated by a stochastic Lindenmayer
system. Proc. Of IGARSS'95, Firenze, Italy, pp1340-1343, 1995. 165. Tsang, L., K. H. Ding, G. Zhang, C. Hsu, and
J. A. Kong,
Backscattering enhancement of volume-surface interaction of a layer
of overlying a homogeneous dielectric half space. Proc. Of IEEE
APS/URSI/NEM'94, pp2338-2341, 1994. 166.
Zhang,
G., and J. Hou, Enhanced backscattering from rough
surface in turbulence. URSI General, Japan, 1993. 167.
Zhang,
G., The dependence of beam spread on observation duration. ISAP'92,
Japan, 1992. 168.
Li,
H., R. Zhang, and G. Zhang, The center of gravity for rain intensitysystem
and choice of orbit position of a satellight. Proc.
Of 5th URSI Commision F, France, 1.5.1-1.5.4,
1989. 169.
Zhang,
G., J. Hou, Correlativity of pulse train
propagation in random medium, Proc. Of ISAP'88, Beijing, April 17-20,
1988. 170.
Li,
H., G. Zhang, and L. Liao, An improved model for the prediction of rain
attenuation statistics. Proc. Of ICAP'87, U.K., pp226-229, 1987. 171.
Li,
H., and G. Zhang,
Prediction of rain attenuation on earth-space path. Proc. Of
ISAP'85, Japan, pp313-316, 1985. 172.
Zhang,
G., and H. Li, Analytical model for effective medium temperature and its
application. Proc. Of ISAP'85, Japan, pp293-296, 1985. |