Adaptive Clutter Suppression in Airborne Radar by A Combined Channel Transformation Approach

刘青光; 彭应宁; 孙欣; 马樟萼; 陆大

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Adaptive Clutter Suppression in Airborne Radar by A Combined Channel Transformation Approach

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- Adaptive Clutter Suppression in Airborne Radar by A Combined Channel Transformation Approach
- Acta Electronica Sinica Issue 6, (1994)
- 作者机构：
  
  清华大学电子工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN959.73
- Published：1994
- 稿件说明：
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[1]刘青光,彭应宁,孙欣,马樟萼,陆大　.机载雷达自适应杂波抑制的联合通道变换方法[J].电子学报,1994(06):1-9.

刘青光, 彭应宁, 孙欣, et al. Adaptive Clutter Suppression in Airborne Radar by A Combined Channel Transformation Approach[J]. Acta Electronica Sinica, 1994, (6).
[1]刘青光,彭应宁,孙欣,马樟萼,陆大　.机载雷达自适应杂波抑制的联合通道变换方法[J].电子学报,1994(06):1-9. DOI：

刘青光, 彭应宁, 孙欣, et al. Adaptive Clutter Suppression in Airborne Radar by A Combined Channel Transformation Approach[J]. Acta Electronica Sinica, 1994, (6). DOI：

摘要

本文介绍一种机载相控阵雷达地杂波抑制的新方法，它属于数据变换类，变换矩阵由主通道和辅助通道组成的联合通道子空间决定。通过设计主通道，变换维数由ＭＫ降至Ｍ＋Ｋ－１（Ｍ）为阵元个数，Ｋ为脉冲数）。该变换由空域波束形成和时域多普勒滤波实现。变换后的数据将在Ｍ＋Ｋ－１维信号空间内进行最优滤波，新方法即使在阵元误差和杂波起伏时也可很好地逼近二维最优阵列性能，但所需的运算量要小得多。

Abstract

A new approach for clutter suppression in airborne phased radar is presented in the paper. It belongs to the class of data transformation method. The transform matrix is dependent on the combined channel subspace spanned by main channel and auxiliary channels.By designing the main channel

the transform dimensionality is reduced to M+K-1（M is the number of sensors and K is the number of pulses）.The transformed optimal weight is obtained in this M +K-1 dimensional signal subspace. This approach can approximate the 2D optimal array well even under array errors and clutter fluctuations

and its volume of computation is much less compared to 2D optimal receiver.

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