Complex AM signal model for non-stationary signals

被引：26
|
作者：
Sircar, P
Syali, MS
机构：
[1] Department of Electrical Engineering, Indian Inst. of Technology Kanpur
来源：
SIGNAL PROCESSING | 1996年 / 53卷 / 01期
关键词：
parametric modelling; non-stationary signals; time-varying model; complex AM signal model;
D O I：
10.1016/0165-1684(96)00074-6
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel signal model consisting of a weighted sum of complex amplitude modulated signals is proposed as a suitable representation for non-stationary signals like speech. The estimation of model parameters is carried out by utilizing the accumulated autocorrelation functions of the modelled signal. The developed model is first fitted on noise-corrupted synthesized data, and then on sampled voiced speech data. The study demonstrates the suitability of the model.
引用
收藏
页码：35 / 45
页数：11
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