软件无线电中AM信号形态滤波解调法  

AM Demodulation Based on Morphological Filtering Algorithm

作　　者：张建成[1] 

机构地区：[1]辽宁大学信息科学与技术学院,辽宁沈阳110036

出　　处：《辽宁大学学报（自然科学版）》2009年第2期136-138,共3页Journal of Liaoning University：Natural Sciences Edition

摘　　要：形态滤波是图像边缘处理的一种强有效算法.将一维形态滤波算法应用于软件无线电AM类信号解调方向中,给出了在AM解调中结构元素的选取规则.通过实验仿真,验证了算法能有效克服正负尖峰噪声,及白噪声对AM信号包络干扰,具有较强的抗噪解调能力.该算法简洁、快速、实时性好,适于软件无线电的应用要求.In the paper,the rules about how to choice structural elements are presented,and a AM signal demodulation method by one-dimensional morphological filtering algorithm that can manipulate image rim with high efficiency is proposed.The computer simulation experiment shows that the algorithm which possesses strongly anti-interference ability,can conquer the peak noise,AM signal Envelope interference and white noise.It is adequate for AM signal demodulating.Meanwhile the neatly algorithm runs rapidly with quick response. It is simple to meet the need of software radio application.

关 键 词：软件无线电 形态滤波 AM解调 结构元素 

分 类 号：TN92[电子电信—通信与信息系统]