基于更新提升形态小波变换的车辆目标震动信号特征提取

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振动与冲击 ›› 2018, Vol. 37 ›› Issue (16) : 135-139.

论文

杜锴，方向，张胜，王怀玺，黄俊逸

作者信息 +

Feature extraction of vehicle vibration signals based on update lifting morphological wavelet transform

DU Kai，FANG Xiang，ZHANG Sheng，WANG Huaixi，HUANG Junyi

Author information +

文章历史 +

摘要

针对传统线性小波变换在处理地面目标震动信号上的局限性，提出了一种更新提升形态小波来提取车辆目标震动信号的特征信息。利用仿真信号和实测的两类车辆目标震动信号进行对比分析，分析结果表明与传统线性小波和极大形态提升小波相比，更新提升形态小波不仅能在强噪声环境下有效提取目标信号的特征信息，同时不受低频信号干扰，为基于震动信号的地面目标精确识别提供了一条新的途径。

Abstract

To overcome the limitations of the traditional linear wavelet transform when dealing with a ground target’s vibration signals, the update lifting morphological wavelet was employed to extract the target signals’ feature information.The simulated signals and vibration signals measured from two kinds of vehicle targets were analyzed, and the results show that, compared with the traditional wavelet and max-lifting scheme, the update lifting scheme can effectively extract the target signals’ feature information in strong noise environments.It can also eliminate the interference of low frequency signals, thereby providing a new method for the precise identification of ground targets based on seismic signals.

导出引用

杜锴，方向,张胜,王怀玺,黄俊逸 . 基于更新提升形态小波变换的车辆目标震动信号特征提取[J]. 振动与冲击, 2018, 37(16): 135-139

DU Kai，FANG Xiang，ZHANG Sheng，WANG Huaixi，HUANG Junyi. Feature extraction of vehicle vibration signals based on update lifting morphological wavelet transform[J]. Journal of Vibration and Shock, 2018, 37(16): 135-139

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