基于小波分析的不对称脉冲信号波形研究  

Research on asymmetric pulse signal waveform based on wavelet analysis

作　　者：狄静静[1] 张立材[1] 

机构地区：[1]西安建筑科技大学信息与控制工程学院,陕西西安710055

出　　处：《现代电子技术》2012年第3期123-125,128,共4页Modern Electronics Technique

摘　　要：不对称脉冲轨道电路设备产生的不对称脉冲信号,在传输中由于轨道分路不良和干扰等出现失真,这就需要研究一种更为准确、可靠和抗干扰性能好的检测方法来完成对信号的实时分析与检测。基于小波分析的不对称脉冲信号波形检测,利用小波变换模极大值特性,可以有效地解决这个问题。结果表明,该方法有较强的适用性,算法简单,运算速度快。Asymmetric pulse signal produced by asymmetric pulse track circuit equipment is distorted because of badness and interference of orbit in transmission, a detection method with more accurate, reliable and better anti-jamming performance is needed to complete the real-time analysis and detection for signal. The asymmetric pulse signal waveform detection based on wavelet analysis, which used wavelet transform modulus maxima feature can effectively solve the above problem. The result shows that the method has strong applicability, simple algorithm and fast operation.

关 键 词：不对称脉冲轨道电路 小波分析 模极大值 Marr小波 

分 类 号：TN911.7[电子电信—通信与信息系统] TP391[电子电信—信息与通信工程]