Range-Instantaneous Doppler Imaging in ISAR

保铮; 王根原; 罗琳

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Range-Instantaneous Doppler Imaging in ISAR

更新时间：2025-12-08

- Range-Instantaneous Doppler Imaging in ISAR
- Acta Electronica Sinica Issue 12, (1998)
- 作者机构：
  
  西安电子科技大学雷达信号处理重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN959
- Published：1998
- 稿件说明：
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[1]保铮,王根原,罗琳.逆合成孔径雷达的距离─瞬时多普勒成像方法[J].电子学报,1998(12):79-83.

保铮, 王根原, 罗琳. Range-Instantaneous Doppler Imaging in ISAR[J]. Acta Electronica Sinica, 1998, (12).
[1]保铮,王根原,罗琳.逆合成孔径雷达的距离─瞬时多普勒成像方法[J].电子学报,1998(12):79-83. DOI：

保铮, 王根原, 罗琳. Range-Instantaneous Doppler Imaging in ISAR[J]. Acta Electronica Sinica, 1998, (12). DOI：

摘要

传统的ＩＳＡＲ距离－多普勒成像方法基于匀速转动的目标模型，当飞机目标作机动飞行时，转速和转轴经常是时变的，若用传统的方法成像，会使图像模糊，甚至无法辨识。本文提出了距离－瞬时多普勒成像的概念和方法，可对一般机动飞行目标成像。实测数据结果表明了本文方法的可行。

Abstract

When target moves irregularly

the Doppler effect of each scatter and the imaging pro-jection plane may change with time. The commonly-used imaging algorithms are not applicable to the tar-get with rotating direction changed. A concept and algorithm of Range-Instantaneous Doppler imagingare presented. Our novel imaging algorithm is effective to the maneuvering targets even when the rotatingdirection is time-varying.

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ISAR Imaging Based on Chirplet Decomposition to Maneuvering Targets

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王根原

保铮

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Key Laboratory of Radar Signal Processing, Xidian University, Xi’ an

710071

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