| 基于小波变换的雷达测量数据的随机误差分析 |
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| 引用本文： | 夏青,张士峰,蔡洪.基于小波变换的雷达测量数据的随机误差分析[J].飞行器测控学报,2006,25(5):77-80. |
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| 作者姓名： | 夏青 张士峰 蔡洪 |
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| 作者单位： | 国防科学技术大学航天与材料工程学院 湖南长沙410073 |
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| 摘 要： | 小波变换是各领域科学研究必备的有力工具。本文介绍了小波变换的理论知识,具体讨论它在雷达测量数据随机误差分析中的应用,包括小波变换去噪的原理和过程,使用改进MAD方法计算随机误差方差。仿真结果表明,小波变换简单有效,在实践中具有应用价值。
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| 关 键 词： | 小波变换 去噪 随机误差 改进MAD方法 |
| 收稿时间： | 2006-04-21 |
| 修稿时间： | 2006-06-13 |
Analysis of Random Errors of Radar Measurement Data Based on Wavelet Transformation |
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| XIA Qing,ZHANG Shi-feng,CAI Hong.Analysis of Random Errors of Radar Measurement Data Based on Wavelet Transformation[J].Journal of Spacecraft TT&C Technology,2006,25(5):77-80. |
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| Authors: | XIA Qing ZHANG Shi-feng CAI Hong |
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| Institution: | College of Aerospace and Material Engineering, National University of Defense Technology, Changsha, Hunan Province 410073 |
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| Abstract: | Wavelet transformation is a powerful tool in many areas of research.This paper discusses the fundamental theory of wavelet transformation and its applications in analysis of random errors of radar measurement data,including the principle and process of denoising using wavelet transformation and calculation of variance using modified MAD algorithms.Simulation shows that wavelet transformation is effective and convenient to implement,and it is of high significance in real world applications. |
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| Keywords: | Wavelet Transformation Denoising Random Error Modified MAD Algorithms |
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