Analysis of Achieving High Resolution Profile of Extended Target for Stepped Chirp Radar

CHEN Hang-yong; WEI Xi-zhang; LI Xiang; GUO Gui-rong

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Analysis of Achieving High Resolution Profile of Extended Target for Stepped Chirp Radar

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- Analysis of Achieving High Resolution Profile of Extended Target for Stepped Chirp Radar
- Acta Electronica Sinica Vol. 33, Issue 9, Pages: 1599-1602(2005)
- 作者机构：
  
  国防科技大学电子科学与工程学院空间电子信息技术研究所,湖南,长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN9571.52
- Published：2005
- 稿件说明：
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CHEN Hang-yong, WEI Xi-zhang, LI Xiang, et al. Analysis of Achieving High Resolution Profile of Extended Target for Stepped Chirp Radar[J]. Acta Electronica Sinica, 2005, 33(9): 1599-1602.
DOI：

CHEN Hang-yong, WEI Xi-zhang, LI Xiang, et al. Analysis of Achieving High Resolution Profile of Extended Target for Stepped Chirp Radar[J]. Acta Electronica Sinica, 2005, 33(9): 1599-1602. DOI：

摘要

本文首先对扩展目标的一维距离像进行了离散建模;然后给出了扩展目标调频步进雷达回波信号的数学模型

证明了调频步进雷达相参合成扩展目标一维距离像原理;文章分析了目标运动对合成距离像的影响

推导了运动目标合成距离像的距离单元走动计算公式

给出了运动目标一维距离像二次相位误差补偿的速度临界值;最后给出了计算机仿真

证明了本文的结论.

Abstract

A discrete model is firstly set up for High Resolution Profile of an extended target;then the paper presents the math model of echo signal from an extended target for a Stepped Chirp Radar

and proves the principle of synthesizing a HRRP of an extended target by phase coherent integration.The paper studies the effect of motion status on the synthesized HRRP

derives a equation to calculate the shift of HRRP for motion target

and gives a critical velocity for compensating quadratic phase error for a HRRP of a motion target.At last

the paper presents a computer emulation of synthesizing HRRP and proves the conclusion of the paper.

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Related Author

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CHEN Hang-yong

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JIANG Wei-dong

Related Institution

Institute of Space Electronics Information Technology,National University of Defense Technology

Institute of Space Electronics Technology,National University of Defense Technology

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