SAR Detection of Moving Targets Using Approximate Wavelet Transform and Time-Frequency Analysis

许超; 柴振明; 舒士畏; 朱敏慧

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SAR Detection of Moving Targets Using Approximate Wavelet Transform and Time-Frequency Analysis

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- SAR Detection of Moving Targets Using Approximate Wavelet Transform and Time-Frequency Analysis
- Acta Electronica Sinica Issue 6, (1997)
- 作者机构：
  
  1. 北京大学信息科学中心
  2. 中国科学院电子学所
  3. 北京大学信息科学中心中国科学院电子学所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN95
- Published：1997
- 稿件说明：
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[1]许超,柴振明,舒士畏,朱敏慧.基于近似小波变换与时频分析的SAR运动目标检测[J].电子学报,1997(06):54-57.

许超, 柴振明, 舒士畏, et al. SAR Detection of Moving Targets Using Approximate Wavelet Transform and Time-Frequency Analysis[J]. Acta Electronica Sinica, 1997, (6).
[1]许超,柴振明,舒士畏,朱敏慧.基于近似小波变换与时频分析的SAR运动目标检测[J].电子学报,1997(06):54-57. DOI：

许超, 柴振明, 舒士畏, et al. SAR Detection of Moving Targets Using Approximate Wavelet Transform and Time-Frequency Analysis[J]. Acta Electronica Sinica, 1997, (6). DOI：

摘要

本文针对地面匀速直线运动的目标，提出近似小波变换与时颇分析相结合的检测方法．近似小波变换不仅可以检测出目标信号相位二次项中含有的运动参数；还可以为时频分析提供预处理，滤除杂波及其噪声．时频分析则可以同时检测相位一次项及二次项中含有的运动参数．

Abstract

This paper proposes that approximate wavelet transform and time-frequency analysis can be used to detect moving targets with uniform velocities in straight lines. The approximatewavelet transform does not only find out velocities in the square terms in phases of target signals

but also preprocess signals to delete most of background clutters and noises for the time-frequencyanalysis. The time-frequency analysis can find out velocities in both linear and square terms ofphases of signals.

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