Performance Analysis and Improvement of the Equalization Algorithm Based on Fourier Transform for Radar Channel

WANG Feng; FU You-guang; MENG Bing; CHEN Li-min

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Performance Analysis and Improvement of the Equalization Algorithm Based on Fourier Transform for Radar Channel

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- Performance Analysis and Improvement of the Equalization Algorithm Based on Fourier Transform for Radar Channel
- Acta Electronica Sinica Vol. 34, Issue 9, Pages: 1677-1680(2006)
- 作者机构：
  
  南京电子技术研究所603室,江苏,南京,210013
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN959.7
- Published Online：25 September 2006，
  
  Published：2006
- 稿件说明：
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WANG Feng, FU You-guang, MENG Bing, et al. Performance Analysis and Improvement of the Equalization Algorithm Based on Fourier Transform for Radar Channel[J]. Acta Electronica Sinica, 2006, 34(9): 1677-1680.
DOI：

WANG Feng, FU You-guang, MENG Bing, et al. Performance Analysis and Improvement of the Equalization Algorithm Based on Fourier Transform for Radar Channel[J]. Acta Electronica Sinica, 2006, 34(9): 1677-1680. DOI：

摘要

本文研究了基于傅里叶变换的雷达通道均衡算法的性能

对工程应用中影响算法性能的因素进行了详细分析

这些因素包括信噪比、信号带宽与采样率的关系及群延迟等

给出了针对上述因素的解决方案.其中针对群延迟的影响

根据循环卷积的原理

提出了一种实现非因果均衡器的方法.以上分析都是在实验数据的基础上进行的.分析结果表明

避免几种因素的影响后

改进算法可以获得较好的均衡性能.

Abstract

The performance analysis of a kind equalization algorithm based on Fourier Transform for radar channel is carried out.The factors including Signal-to-noise ratio

relationship between bandwidth and sampling rate and group delay affecting the algorithm’s performance are analyzed and solutions are proposed.According to the principle of circular convolution

a method of realizing non-causal equalizer is proposed to suppress the influence of the group delay effect.All analysis is based on experiment data.The results show that the modified algorithm could achieve good performance after avoiding the influence of the several factors.

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