1. 西安电子科技大学信息工程系
2. 西安电子科技大学信息工程系 西安 710071
纸质出版:1993
移动端阅览
[1]易克初,程俊.信号的广义时频表示[J].电子学报,1993(10):92-101.
易克初, 程俊. Generalized Time-Frequency Representation of Signals[J]. Acta Electronica Sinica, 1993, (10): 92-101.
研究出一种真正的非平稳信号分析方法
用时频图表示非平稳信号的动态频谱
经历了四十多年丰富多彩的发展
终于在最近几年中取得了重要进展
并与小波理论相结合
形成了能概括大部分重要分布的统一理论框架
称为广义时频表示。本文概述和评论广义时频表示的最新研究成果
并以语音信号的时频表示为例
论述了它的广阔应用前景。
The exploration of a real method to analyze non-stationary signals and devising a time-frequency representation of signals have steadily developed over the last 40years
and there have recently been significant advance.Moreover
combined with the.wavelet theory
it has initially been developed into a unifying framework
called as the generalized time-frequency representation(GTFR)
which includes the most important distributions.This paper reviews the GTFR and describes the potential of its wide applications by taking some examples of speech analysis.
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