Comparison of Theoretical Biases in Estimating Polarimetric Properties of Precipitation With Weather Radar Using Parabolic Reflector, or Planar and Cylindrical Arrays

被引：29

作者：

Lei, Lei ^{[1
,2
]}

Zhang, Guifu ^{[1
,2
,3
]}

Doviak, Richard J. ^{[1
,3
,4
]}

Karimkashi, Shaya ^{[2
]}

机构：

[1] Univ Oklahoma, Sch Elect & Comp Engn, Norman, OK 73019 USA

[2] Univ Oklahoma, Adv Radar Res Ctr, Norman, OK 73019 USA

[3] Univ Oklahoma, Sch Meteorol, Norman, OK 73072 USA

[4] NOAA, Natl Severe Storms Lab, Norman, OK 73072 USA

来源：

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2015年 / 53卷 / 08期

关键词：

Antenna; cylindrical array; phased array radar; planar array; polarimetry; radiation patterns; remote sensing; weather measurement; RAINFALL ESTIMATION; CLASSIFICATION; POLARIZATION;

D O I：

10.1109/TGRS.2015.2395714

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Planar or cylindrical phased arrays are two candidate antennas for future polarimetric weather radar. These two candidate antennas have distinctly different attributes when used to make quantitative measurements of the polarimetric properties of precipitation. Of critical concern is meeting the required polarimetric performance for all directions of the electronically steered beam. The copolar and cross-polar radiation patterns and polarimetric parameter estimation performances of these two phased array antennas are studied and compared with that obtained using a dual-polarized parabolic reflector antenna. Results obtained from simulation show that the planar polarimetric phased array radar has unacceptable polarimetric parameter biases that require beam to beam correction, whereas biases obtained with the cylindrical polarimetric phased array radar are much lower and comparable to that obtained using the parabolic reflector antenna.

引用

页码：4313 / 4327

页数：15

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