Refined Chirp Scaling Algorithm for High Resolution Spaceborne SAR Imaging

HUANG Yan; LI Chun-sheng; CHEN Jie; ZHOU Yin-qing

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Refined Chirp Scaling Algorithm for High Resolution Spaceborne SAR Imaging

更新时间：2025-07-16

- Refined Chirp Scaling Algorithm for High Resolution Spaceborne SAR Imaging
- Acta Electronica Sinica Vol. 28, Issue 3, Pages: 35-38(2000)
- 作者机构：
  
  北京航空航天大学电子工程系,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957
- Published：2000
- 稿件说明：
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HUANG Yan, LI Chun-sheng, CHEN Jie, et al. Refined Chirp Scaling Algorithm for High Resolution Spaceborne SAR Imaging[J]. Acta Electronica Sinica, 2000, 28(3): 35-38.
DOI：

HUANG Yan, LI Chun-sheng, CHEN Jie, et al. Refined Chirp Scaling Algorithm for High Resolution Spaceborne SAR Imaging[J]. Acta Electronica Sinica, 2000, 28(3): 35-38. DOI：

摘要

本文提出了一种用于星载合成孔径雷达(SAR)的改进Chirp Scaling成像处理算法.本文分析了三种星载SAR距离模型

根据误差最小的斜视等效距离模型

推导了改进Chirp Scaling算法

给出了实现步骤.该算法适用于大距离徙动高分辨率星载SAR精确成像.并且基于改进的Chirp Scaling算法

分析了多普勒参数误差对成像质量的影响.最后通过计算机仿真

验证了算法的有效性.

Abstract

In this paper a refined chirp scaling algorithm for spaceborne synthetic aperture radar (SAR) imaging is presented.At first

three range models of spaceborne SAR are analyzed.Based on the squint range model which has the least error among the three models

a refined chirp scaling algorithm is derived.And it is suitable for precise imaging of high resolution spaceborne SAR with large range cell migration.Based on the refined chirp scaling algorithm

the effects of Doppler parameters on the quality of SAR image are analyzed as well.Finally

this algorithm is tested by computer simulation.

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Related Institution

Key Laboratory of Radar Signal Processing,Xidian University

School of Electronic Science and Technology, National University of Defense Technology

EMC Research Section,Beijing Jiaotong University

EMC Research SectionBeijing Jiaotong UniversityBeijing 100044China

Dept.of Electronic EngineeringBeijing University of Aeronautics and AstronauticsBeijing 100083China

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