Polarimetric Phased-Array Radar for Weather Measurement: A Planar or Cylindrical Configuration?

被引：88

作者：

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

Doviak, Richard J. ^{[1
,2
,4
]}

Zrnic, Dusan S. ^{[1
,2
,4
]}

Palmer, Robert ^{[3
,4
]}

Lei, Lei ^{[2
,3
]}

Al-Rashid, Yasser ^{[5
]}

机构：

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

[2] Univ Oklahoma, Sch Elect & Comp Engn, Norman, OK 73072 USA

[3] Univ Oklahoma, Atmospher Radar Res Ctr, Norman, OK 73072 USA

[4] NOAA, Natl Severe Storms Lab, Norman, OK 73069 USA

[5] Lockheed Martin Corp, Moorestown, NJ USA

来源：

JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY | 2011年 / 28卷 / 01期

关键词：

SPACED-ANTENNA INTERFEROMETRY; REFLECTIVITY;

D O I：

10.1175/2010JTECHA1470.1

中图分类号：

P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

This paper suggests a cylindrical configuration for agile beam polarimetric phased-array radar (PPAR) for weather surveillance. The most often used array configuration for PAR is a planar array antenna. The planar configuration, however, has significant deficiencies for polarimetric measurements, as well as other limitations, such as increases in beamwidth, decreases of sensitivity, and changes in the polarization basis when the beam scans off its broadside. The cylindrical polarimetric phased-array radar (CPPAR) is proposed to avoid these deficiencies. The CPPAR principle and potential performance are demonstrated through theoretical analysis and simulation. It is shown that the CPPAR has the advantage of a scan-invariant polarization basis, and thus avoids the inherent limitations of the planar PPAR (i.e., PPPAR).

引用

页码：63 / 73

页数：11

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