A NOVEL METHOD TO ELIMINATE GRATING NOTCH IN UNIFORM SUBARRAY FOR AIRBORNE RADAR

被引：0
|
作者：
Jia, Fengde [1 ]
He, Zishu [1 ]
Wang, Zhihang [1 ]
Sun, Guohao [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Informat & Commun Engn, Chengdu, Sichuan, Peoples R China
来源：
2019 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2019) | 2019年
基金：
中国国家自然科学基金;
关键词：
Airborne radar; transmit beamforming; interference suppression; grating notch; SUPPRESSION; DESIGN;
D O I：
10.1109/igarss.2019.8898621
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
This paper deals with the grating notch cancellation problem in the uniform subarray configuration of airborne radar system. Grating notches, caused by the receive beamforming at the subarray level alone, make the main lobe distorted in the presence of signal-dependent interference. A transmit prefilter is designed to zero the radar radiant energy of the grating-lobe area to eliminate the grating notches. Numerical results verify the effectiveness of the proposed method.
引用
收藏
页码：9157 / 9159
页数：3
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