摘要
利用高斯小波的线性特性和带通特性,设计小波滤波器组.运用该滤波器组对调制信号进行解调分析,实现了选频、可变带宽包络分析.将传统的包络分析中信号的窄带带通滤波和包络分析结为一体.算法具有较强的适时性,为包络分析提供了一种新方法.
Making use of the linear and band-pass characteristics of Gauss wavelet, Wavelet Filter Groups (WFG) are designed. Envelopment analysis of adjustable frequency and changeable band-width is realized by using this WFG. Narrow-band and band-pass filtering and envelopment analysis are combined into a single process. The algorithm is quite efficient and presents a new method for envelopment analysis.
出处
《华北工学院测试技术学报》
1999年第3期165-169,共5页
Journal of Test and Measurement Technology
关键词
小波分析
解调分析
数字滤波
wavelet analysis
demodulation analysis
digital filtering
