Adaptive Waveform Design Based on WLS-TIR for Multiple Targets Recognition in Cognitive Radar

FAN Mei-mei; LIAO Dong-ping; DING Xiao-feng; LI Xiang

doi:10.3969/j.issn.0372-2112.2012.01.012

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Adaptive Waveform Design Based on WLS-TIR for Multiple Targets Recognition in Cognitive Radar

更新时间：2025-07-16

- Adaptive Waveform Design Based on WLS-TIR for Multiple Targets Recognition in Cognitive Radar
- Acta Electronica Sinica Vol. 40, Issue 1, Pages: 73-77(2012)
- 作者机构：
  
  1. 国防科技大学电子科学与工程学院,湖南,长沙,410073
  2. 中国人民解放军96627部队,北京,100085
  3. 国防科技大学电子科学与工程学院湖南长沙,410073
  4. 中国人民解放军96627部队北京,100085
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2012.01.012
  CLC： TN957.51
- Published：2012
- 稿件说明：
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FAN Mei-mei, LIAO Dong-ping, DING Xiao-feng, et al. Adaptive Waveform Design Based on WLS-TIR for Multiple Targets Recognition in Cognitive Radar[J]. Acta Electronica Sinica, 2012, 40(1): 73-77.
DOI：

FAN Mei-mei, LIAO Dong-ping, DING Xiao-feng, et al. Adaptive Waveform Design Based on WLS-TIR for Multiple Targets Recognition in Cognitive Radar[J]. Acta Electronica Sinica, 2012, 40(1): 73-77. DOI： 10.3969/j.issn.0372-2112.2012.01.012.

摘要

针对多个雷达目标的识别问题

研究认知雷达的波形自适应方法

对目标冲激响应线性加权求和获得多个目标的加权表示

基于互信息准则

通过最大化接收到的信号与目标冲激响应线性加权和(WLS-TIR)的互信息获得了针对多目标识别的最优波形

给出了权值的计算方法和多目标识别的自适应机制.仿真实验表明

本文提出的方法相对于传统的线性调频信号(LFM)对多目标的识别性能有明显的提高

并具有较强的实用性和可行性.

Abstract

A method of adaptive waveform design for multiple targets recognition is proposed.It includes three main parts:first

a new information theoretic criterion which is the mutual information between the received signal and the weighted linear sum of the target impulse responses (WLS-TIR) is proposed;second

a method of calculating the weights is developed;third

a strategy of adaptively adjusting the waveforms for multiple targets recognition is present.The simulation results show that the proposed method increases the performance of a radar system apparently for multiple targets recognition

besides

it is realistic and feasible.

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