数学形态滤波在振动信号分析中的应用研究  

Research on the Application of the Mathematical Morphology Filtering in Vibration Signal Analysis

作　　者：李春枝[1] 何荣建[1] 田光明[1] 

机构地区：[1]中国工程物理研究院结构力学研究所,四川绵阳621900

出　　处：《计算机工程与科学》2008年第9期126-127,131,共3页Computer Engineering & Science

摘　　要：本文介绍了数学形态滤波的基本原理与形态滤波器的构建。针对环境试验振动信号中存在的非线性噪声问题,我们提出一种基于开、闭运算的级联组合数学形态滤波器的新方法。通过将数学形态滤波器用于复杂锥筒结构振动信号中的脉冲干扰的实例分析与运算,说明该方法对振动信号的干扰噪声有很好的滤波效果,亦表明数学形态滤波有很好的应用前景。In this paper, the principle of mathematical morphology is briefly introduced. A new signal processing method based on mathematical filtering is presented. In order to remove noises and the DC offset, a filter with structural elements based on morphological open and closed operators is designed. With the structural elements, signals can be detected and smoothed. Simulation results and practical applications show that the method is effective. And it is proved that the method is also effective in dealing with the pulsed noises in vibration data.

关 键 词：数学形态滤波 振动信号 结构元素 信号分析 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]