The signal processing technology based on wavelet transform

被引：0
|
作者：
Zhang, G [1 ]
Zhou, Z [1 ]
Chen, YP [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON SENSOR TECHNOLOGY (ISTC 2001), PROCEEDINGS | 2001年 / 4414卷
关键词：
wavelet transform; digital signal processing; filter design; function approach; optical current transformer;
D O I：
10.1117/12.440141
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The computer- or microprocessor-based signal processing technology is one of the demodulation and processing methods capable of suppressing noise interference and enhancing signal-to-noise ratio. In this paper, the technology of software filtering and demodulation based on wavelet transform is presented. According to the features of band-pass and time-frequency domain localization of wavelet transform, a linear combined wavelet transform is used to approach an ideal narrow-band filter, and the designed filter has a fine filtering character. It provides a more convenient method for signal demodulation analysis and multi-pass-band components filtering in engineering signal processing. It has been used in the case of optical current transformer and can be developed to other signal processing applications.
引用
收藏
页码：455 / 459
页数：5
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