单反射面紧缩场接收机灵敏度要求评估方法

欧乃铭; 白明; 梁彬; 苗俊刚

单反射面紧缩场接收机灵敏度要求评估方法

北京航空航天大学电子信息工程学院, 北京 100191

详细信息

中图分类号: TN820
计量
- 文章访问数: 1774
- HTML全文浏览量: 190
- PDF下载量: 724
- 被引次数: 0
出版历程
- 收稿日期: 2011-09-20
- 网络出版日期: 2012-09-30

Evaluation method for the receiver sensitivity requirement of CATR with single reflector

School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 根据洛伦兹互易定理,提出了一种对单反射面紧缩场接收机灵敏度要求进行评估的方法.分别计算紧缩场馈源发射的电磁波以及标准定标球散射的电磁波在位于反射面和静区中间的参考平面上的近场分布,并考虑反射面效率和馈源发射功率,即可得到在测量过程中,对接收机灵敏度的要求.该方法能够全面反应目标雷达散射截面、工作频率、馈源性能和位置、反射面形状尺寸及其边齿结构和边缘绕射、紧缩场静区中心位置等因素的影响.利用该方法对北京航空航天大学微波暗室紧缩场的接收机灵敏度要求进行评估,并与实验测试结果对比,进而验证该方法的正确性.
- 紧缩场 /
- 灵敏度 /
- 雷达散射截面 /
- 洛伦兹互易定理
Abstract: Based on the Lorentz reciprocity theorem, a novel method was proposed for evaluating the receiver sensitivity requirement of compact antenna test range (CATR) with single reflector. Through calculating the near fields that excited by the feed of the CATR and scattered by the standard calibration sphere respectively, and considering the efficiency of the reflector and the transmit power of the feed, the receiver sensitivity requirement in the testing process could be obtained. This method could reflect the influences of radar cross section (RCS) of the target, working frequency, the property and position of the feed, the size, sawtooth structure and edge diffraction of the reflector, the center position of quiet zone. This method was used to evaluate the receiver sensitivity requirement of CATR in microwave anechoic chamber of Beijing University of Aeronautics and Astronautics, and the evaluation result was compared with the experiment result, then the validity of this method could be verified.
- compact antenna test range /
- sensitivity /
- radar cross section /
- Lorentz reciprocity theorem

HTML全文

参考文献(12)

[1]	Olver A D.Compact antenna test ranges//ICAP 91.Seventh International Conference on Antennas and Propagation.London:IEE,1991:99-108
[2]	Karttunen A,Ala-Laurinaho J,Vaaja M,et al.Antenna tests with a hologram-based CATR at 650 GH [J].IEEE Transactions on Antennas and Propagation,2009,57(3):711-720
[3]	Descardeci J R,Parini C G.Trireflector compact antenna test range//IEE Proceedings on Microwaves Antennas and Propagation.London:IEE,1997,144(5):305-310
[4]	Rieckmann C,Rayner M R,Parini C G.Optimisation of cross-polarisation performance for tri-reflector CATR with spherical main reflector [J].Electronics Letter,1999,135(17):1403-1404
[5]	Limbach M,Gabler B,Horn R,et al.DLR-HR compact test range facility//EuCAP 2009 3rd European Conference on Antennas and Propagation.Piscataway,NJ:IEEE,2009:2186-2189
[6]	Marti-Canales J,Ligthart L P,Roederer A G.Performance analysis of a compact range in the time domain [J].IEEE Transactions on Antennas and Propagation,2002,50(4):511-516
[7]	Janse van Rensburg D J,Pistorius C W I.The compact antenna test range (CATR) at the University of Pretoria//Africon 92' Proceedings.3rd Africon Conference.Piscataway,NJ:IEEE,1992:175-177
[8]	Chang Dau-Chyrh,Liao Chao-Hsiang,Wu Chih-Chun.Compact antenna test range without reflector edge treatment and RF anechoic chamber [J].IEEE Antennas and Propagation Magazine,2004,46(4):27-37
[9]	Hakli J,Koskinen T,Ala-Laurinaho J,et al.Dual reflector feed system for hologram-based compact antenna test range [J].IEEE Transactions on Antennas and Propagation,2005,53(12):3940-3948
[10]	Dybdal R B.Radar cross section measurements//Proceedings of the IEEE.Piscataway,NJ:IEEE,1987,75(4):498-516
[11]	何国瑜,卢才成,洪家才,等.电磁散射的计算和测量[M].北京:北京航空航天大学出版社,2006:310-311 He Guoyu,Lu Caicheng,Hong Jiacai,et al.Electromagnetic scattering computations and measurements [M].Beijing:Beijing University of Aeronautics and Astronautics Press,2006:310-311(in Chinese)
[12]	毛乃宏,俱新德.天线测量手册[M].北京:国防工业出版社,1987:232-233 Mao Naihong,Ju Xinde.Antenna test manual [M].Beijing:National Defence Industry Press,1987:232-233(in Chinese)