最近在做机载雷达的杂波抑制方向,主要是在看基于ANM最小化的稀疏空时自适应处理,在参考文献《Airborne radar space time adaptive processing based on atomic norm minimization》后进行仿真验证,但是效果总是达不到论文中那么好,不知道代码哪个地方写错了,排查了好久也没有查出问题,心累啊。 不知道有没有做STAP的,...
The sparse recovery (SR) space-time adaptive processing (STAP) method has excellent clutter suppression performance under the condition of limited observation samples. However, when the cluttering is nonlinear in a spatial-Doppler profile, it will cause an off-grid effect and reduce the ...
本发明公开了一种基于知识辅助的SR‑STAP方法及存储介质,该方法包括:通过机载雷达获取待检测距离单元的样本数据;将杂波的空间频率均匀离散为网格点集合;获取所述杂波的离散多普勒频率网格点集合;基于预设条件调整多普勒频率,得到新的多普勒频率组;调整空间频率,得到新的离散化空间频率组;根据新的多普勒频率组和所述新的...
一、罗远投资情况:罗远间接持股智慧声谷(上海)声学技术有限公司、投资占比达19.5%,东莞快腾声学技术有限公司、投资占比达11.25%;目前罗远投资睿辉声学(深圳)科技有限公司最终收益股份为30%;二、罗远的商业合作伙伴:基于公开数据展示,罗远目前有3个商业合作伙伴,包括刘桂云、段葆华、周亚林等。 财产...
知识辅助基于稀疏恢复的空时自适应算法(Sparse Recovery Space Time Adaptive Processing,SR-STAP)能有效改善机载雷达在复杂环境下对杂波的抑制能力,通常是将空时平面均匀离散为若干个网格来构造字典.然而,真实的杂波点往往不能落在预先离散的网格点上,此时会出现离网效应,导致SR-STAP的性能降低.本文针对此问题,提出...
Sparse recovery STAP (SR-STAP) can get a highly accurate estimation in the case of insufficient samples and it alleviates the above problem of conventional STAP methods, however, the price of SR-STAP is that it involves a huge computational load in optimization, especially when the input data ...
基于稀疏恢复的空时自适应算法(Sparse Recovery Space Time Adaptive Processing, SR-STAP)能有效改善机载雷达在复杂环境下对杂波的抑制能力,通常是将空时平面均匀离散为若干个网格来构造字典.然而,真实的杂波点往往不能落在预先离散的网格点上,此时会出现离网效应,导致 SR-STAP 的性能降低....
根据新的多普勒频率组和所述新的离散化空间频率组对应的空时导向矢量构建空时导向矢量字典;利用所述空时导向矢量字典对样本数据进行稀疏分解,得到稀疏恢复向量;利用稀疏恢复向量进行杂波协方差矩阵估计.本发明对空间频率和多普勒频率进行联合调整,构造超完备的空时导向矢量字典,有效解决网格失配的问题,改善STAP方法的性能....
To solve this problem, a knowledge-aided sparse recovery (SR) STAP algorithm based on Gaussian kernel function is developed. The proposed method distinguishes clutter components and interference signals in training snapshots by the priori knowledge that the clutter components are distributed along ...
IMPROVING PATIENT CHOICE IN THE TREATMENT OF PROSTATE CANCER SELF-INJECTION OF LEUPRORELIN ACETATE (PROSTAP® SR)doi:10.1016/S1569-9056(06)60915-9B.PatelandR.HammandT.WhittlestoneandR.SDOSEuropean Urology Supplements