兵工自动化2011，Vol.30Issue(7)：1-3,3.DOI:10.3969/j.issn.1006-1576.2011.07.001
基于改进小波阈值函数的雷达信号去噪
Radar Signal Denoising Based on Improved Wavelet Thresholding Functions
摘要
Abstract
In order to discard the Gaussian white noise mixed in radar signal, researched conventional wavelet threshold denoising method. By anlysing the character of soft and hard thresholding functions and some improved thresholding functions, introduces two optimized functions: improved continuous thresholding function and eclectic thresholding function. It also makes a simulation with optimized threshold. The simulation results show that the new thresholding functions above are continuous and easy to adjust, which overcome the shortcomings of the incontinuous hard thresholding function and the soft thresholding function with unvarying warp. The second method performs better, which enhances the signal-to-noise of output signal effectually. The work has an important applied value for radar signal processing.关键词
小波变换/阈值函数/雷达信号Key words
wavelet transform/ thresholding function/ radar signal分类
信息技术与安全科学引用本文复制引用
赵松,江汉红,张朝亮,柯泽贤..基于改进小波阈值函数的雷达信号去噪[J].兵工自动化,2011,30(7):1-3,3.基金项目
湖北省自然科学基金(2010CDB01503 ) （2010CDB01503 ）
