The Doppler Rate Estimation with the PGA

LEI Wan-ming; HU Xue-cheng; NI Jin-lin

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The Doppler Rate Estimation with the PGA

更新时间：2025-07-16

- The Doppler Rate Estimation with the PGA
- Acta Electronica Sinica Vol. 32, Issue 6, Pages: 1017-1019(2004)
- 作者机构：
  
  南京电子技术研究所,江苏,南京,210013
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN958
- Published Online：25 June 2004，
  
  Published：2004
- 稿件说明：
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LEI Wan-ming, HU Xue-cheng, NI Jin-lin. The Doppler Rate Estimation with the PGA[J]. Acta Electronica Sinica, 2004, 32(6): 1017-1019.
DOI：

LEI Wan-ming, HU Xue-cheng, NI Jin-lin. The Doppler Rate Estimation with the PGA[J]. Acta Electronica Sinica, 2004, 32(6): 1017-1019. DOI：

摘要

本文详细地分析了多普勒调频斜率误差与相位梯度的关系

提出了基于PGA的多普勒调频斜率估计算法

并进行了仿真和机载SAR数据的成像实验.理论和成像实验结果表明

该算法具有运算量小、收敛速度快和估计精度高的特点.

Abstract

This paper analyzes the relation between the Doppler rate and phase gradient

and proposes algorithm for the Doppler rate estimation with the PGA

then the performance of this algorithm is verified by the computer simulation data and airborne SAR data.The result of theoretical analysis and simulation shows that this algorithm has less operation load and faster convergence speed as well as the improved estimation accuracy.

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Institute of Applied Mathematics,School of Mathematics and Information Sciences,Henan University

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