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Author:

窦慧晶 (窦慧晶.) | 肖子恒 (肖子恒.) | 杨帆 (杨帆.) | 谢金鑫 (谢金鑫.)

Indexed by:

incoPat zhihuiya

Abstract:

一种基于MIMO雷达低旁瓣发射方向图方法,属于阵列信号处理技术领域。传统最小化旁瓣算法是通过添加主瓣和旁瓣功率约束来实现减低旁瓣和提高主瓣信号功率,进而提高目标检测能力,但是可能造成主瓣分裂,不能对主瓣约束和赋形。针对这一问题,本文提出了基于MIMO雷达改进的最小化旁瓣方法,该方法保留了最小化旁瓣算法的优点,利用主瓣上界和下界对主瓣进行约束,利用半功率点将空间分为主瓣区和旁瓣区,分别以主瓣和峰值旁瓣之差最大值为目标函数,以各阵元发射信号恒定为约束条件,通过改变主瓣上界对主瓣波动的限制,建立半正定规划问题,利用凸优化求得最优解,该方法只利用一次凸优化求解,即可实现低旁瓣可控波形。

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Patent Info :

Type: 发明申请

Patent No.: CN201910638839.0

Filing Date: 2019-07-16

Publication Date: 2019-11-26

Pub. No.: CN110501675A

Applicants: 北京工业大学

Legal Status: 驳回

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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