CATR Extraneous Source Analysis Using Plane Wave Spectrum Approach

QUAN Shao-hui; HE Guo-yu; XU Yong-bin

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CATR Extraneous Source Analysis Using Plane Wave Spectrum Approach

更新时间：2025-07-16

- CATR Extraneous Source Analysis Using Plane Wave Spectrum Approach
- Acta Electronica Sinica Vol. 30, Issue 12, Pages: 1794-1796(2002)
- 作者机构：
  
  北京航空航天大学电子工程系,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN82
- Published：2002
- 稿件说明：
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QUAN Shao-hui, HE Guo-yu, XU Yong-bin. CATR Extraneous Source Analysis Using Plane Wave Spectrum Approach[J]. Acta Electronica Sinica, 2002, 30(12): 1794-1796.
DOI：

QUAN Shao-hui, HE Guo-yu, XU Yong-bin. CATR Extraneous Source Analysis Using Plane Wave Spectrum Approach[J]. Acta Electronica Sinica, 2002, 30(12): 1794-1796. DOI：

摘要

紧缩场(CATR)是近代高精度天线和雷达散射截面测量广泛采用的一种测试场地

紧缩场研制的一个重要问题是机械装调后的电气测试调整.根据平面波谱理论

对静区空间场做反傅里叶变换

可以在角度域反演出干扰波分布规律

从而为排除干扰源提供理论依据.本文给出了一列干扰波和多列干扰波存在时静区幅相曲线和角域干扰波分布的仿真结果

并介绍了工程应用的一个具体实例.分析中采用副瓣电平可调的切比雪夫窗函数.

Abstract

Compact Antenna Test Range (CATR) has become a popular alternative to conventional high accuracy antenna and RCS measurements.One of the key problems in CATR research and manufacture is electrical readjustment after mechanical installation and adjustment. According to Plane Wave Spectrum (PWS) theory

distribution of extraneous waves in angular domain will be obtained by making inverse Fourier transform to test zone field

which provides the guidance for eliminating them.In this paper

simulation results assuming there exist one or more extraneous waves are presented.An actual example in CATR engineering is also given.Chebyshev window

whose sidelobe level is adjustable

is adopted.

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