基于二次样条小波变换的双向工频通信信号特征提取方法  

Feature Extraction for Two Way Power Frequency Communication Signals based on Quadric Spline Wavelet

作　　者：周世炜[1] 张绍卿[1] 魏国[1] 

机构地区：[1]哈尔滨工业大学,哈尔滨150001

出　　处：《仪器仪表学报》2000年第5期525-526,542,共3页Chinese Journal of Scientific Instrument

摘　　要：本文介绍了双向工频自动通信系统的基本原理 ,提出了利用二次样条小波变换的奇异性检测特性实现双向工频通信信号特征提取的方法 ,仿真和实验结果证明该方法是有效和实用的。This paper introduces the fundamental method of Two Way Automatic Communication System (TWACS) which is a communication system based on Power Distribution Networks.A new detection method with quadric spline wavelet transform to extract the singularity of TWACS signal is presented.The simulation and field experience show that this method is effective and remarkable.

关 键 词：双向工频通信 小波变换 二次样长 特征提取 

分 类 号：TN911.6[电子电信—通信与信息系统]