| 降维空时自适应处理研究 |
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| 引用本文： | 张良,保铮,廖桂生.降维空时自适应处理研究[J].电子与信息学报,2001,23(3):261-267. |
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| 作者姓名： | 张良 保铮 廖桂生 |
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| 作者单位： | 西安电子科技大学 |
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| 摘 要： | 该文首先分析了降维空时自适应处理（ＳＴＡＰ）的一般原理，接着从理论上证明了在处理器维数的辅助样本数相同的条件下降维ＳＴＡＰ的互谱方法（ＣＳＭ）提供特征空间内所有降维处理方法的性能上界。文中还通过仿真将两种固定结构的降维方法与ＣＳＭ做了性能比较，结果表明时域预滤波级联局域空时联合处理法（３ＤＴ－ＳＡＰ）非常接近性能上界，是一种非常有效的降维方法。
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| 关 键 词： | 相控阵雷达 杂波抑制 检测性能 降维空时自适应处理 互谱方法 |
| 收稿时间： | 1999-6-11 |
| 修稿时间： | 1999年6月11日 |
A Study of Reduced-Rank STAP |
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| Zhang Liang,Bao Zheng,Liao Guisheng.A Study of Reduced-Rank STAP[J].Journal of Electronics & Information Technology,2001,23(3):261-267. |
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| Authors: | Zhang Liang Bao Zheng Liao Guisheng |
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| Affiliation: | Key Lab. for Radar Signal Processing Xidian University Xi' an 710071 China |
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| Abstract: | This paper starts with the discussion of the principle of reduced-rank(RR) Space-Time Adaptive Processing(STAP). It is followed by a dedication of the performance upper bound of all eigen-based RR methods provided by Cross Spectral Method(CSM) under the condition of a given processor rank and identical secondary sample size. A performance com-parison between two RR STAP processors with prefixed structure and CSM is performed by the means of simulations. It is shown that the performance of time pre-filtering followed by jointly bcalized STAP structure (i.e. 3DT-SAP) is very close to the upper bound and thereby it is an effective RR approach. |
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| Keywords: | Airborne phased array radar Reduced-rank STAP(RR STAP) Cross Spectral Method (CSM) Clutter suppression Detection performance |
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