[1]童日武,张剑云,周青松.机载MIMO雷达发射波形和接收滤波器组联合稳健设计方法[J].探测与控制学报,2020,42(03):35.[doi:.]
 TONG Riwu,ZHANG Jianyun,ZHOU Qingsong.Joint Robust Design Method of Transmit Waveform and Receive Filter Bank for Airborne MIMO Radar[J].,2020,42(03):35.[doi:.]
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机载MIMO雷达发射波形和接收滤波器组联合稳健设计方法()
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《探测与控制学报》[ISSN:1008-1194/CN:61-1316/TJ]

卷:
42
期数:
2020年03
页码:
35
栏目:
出版日期:
2020-06-15

文章信息/Info

Title:
Joint Robust Design Method of Transmit Waveform and Receive Filter Bank for Airborne MIMO Radar
文章编号:
1008-1194(2020)03-0035-09
作者:
童日武张剑云周青松
国防科技大学电子对抗学院,安徽 合肥 230037
Author(s):
TONG Riwu ZHANG Jianyun ZHOU Qingsong
College of Electronic Countermeasure Institute, National University of Defense Technology, Hefei 230037, China
关键词:
机载MIMO雷达信干噪比接收滤波器组波形设计稳健性
Keywords:
airborne MIMO radar SINR receive filter bank waveform design robust
分类号:
TN958
DOI:
.
文献标志码:
A
摘要:
针对机载多输入多输出(MIMO)雷达在杂波环境下波形设计时目标先验信息未知的问题,提出了发射波形和接收滤波器组联合稳健性设计方法。该方法在设计阶段以最大化最差情况下的信干噪比(SINR)为准则,对波形同时施加了能量约束、相似性约束和峰均比约束,并针对这一复杂非凸联合优化问题,提出了循环迭代算法,在每次迭代过程中通过凸近似处理将非凸优化问题转化为可解的凸优化问题,再通过可行点追踪连续凸近似算法(FPP-SCA)直接求出波形的解。仿真结果表明,在目标先验信息未知时该方法具有稳健性并能显著提升SINR,另外与现有算法对比具有更低的运算复杂度。
Abstract:
In ord to solve the problem that the priori knowledge of target was unknown when design waveform for airborne multiple-input multiple-output (MIMO) radar in the presence of clutter, a method of joint robust design for transmit waveform and receive filter bank was proposed. In the stage of design, the worst case signal-to-interference-plus-noise-ratio (SINR) was considered as the figure of merit, and energy constraint, similarity constraint and peak-to-average-power ratio (PAR) constraint were enforced on waveform at the same time. In order to solve the complex non-convex joint optimization problem, a cyclic iterative algorithm was proposed. In each iteration, the non-convex optimization problem was transformed into solvable convex optimization problem via the convex approximation. Then, the Feasible Point Pursuit Successive Convex Approximation(FPP-SCA)algorithm was used to solve the waveform optimization problem directly. Simulation results showed that the proposed method had robustness and could significantly improve SINR when the priori knowledge of target was unknown. In addition, compared with the existing algorithm, it had lower computational complexity.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-11-08
作者简介:童日武(1994—),男,安徽桐城人,硕士研究生,研究方向:雷达信号处理。E-mail:tongriwu@foxmail.com
更新日期/Last Update: 2020-07-15