信号相关STAP中联合滤波器-信号设计的松弛双二次优化
系统与控制
2018-02-14 v1
摘要
我们研究了Setlur和Rangaswamy[1]所考虑的联合信号-波束成形器优化问题的一种替代求解方法。首先,我们直接证明该问题——在最小方差无失真响应(MVDR)约束下最小化接收到的噪声、干扰和杂波功率——通常是非凸的,并具体揭示了非凸性的本质。其次,我们利用双二次优化和半定松弛的理论产生该问题的松弛版本,并证明其是凸的。我们检验了此松弛问题的最优性条件,并通过解析和数值方法找到了多种潜在解。
引用
@article{arxiv.1703.08115,
title = {Relaxed Bi-quadratic Optimization for Joint Filter-Signal Design in Signal-Dependent STAP},
author = {Sean M. O'Rourke and Pawan Setlur and Muralidhar Rangaswamy and A. Lee Swindlehurst},
journal= {arXiv preprint arXiv:1703.08115},
year = {2018}
}
备注
80 pages, 38 figures. Corrected edition of US Air Force Research Laboratory Report, Dec. 2016, to be submitted to IEEE Transactions on Signal Processing. PAO Release number: 88ABW-2016-5280, Approved for public release; distribution is unlimited