Title :
Bandpass filter design based on wavelet packet
Author :
Xiaonan, Chen ; Zhiyuan, Xu ; Jidong, Suo
Author_Institution :
Coll. of Inf. Sci. & Technol., Dalian Maritime Univ., Dalian, China
Abstract :
The experiment simulates a complex signal with several frequencies and the Rayleigh noise signal. We use a bandpass filter based on wavelet packet to analyze the signal. In the frequency domain, the results show that the method can separate any frequency signal from the original signal. In the time domain, the method can reconstruct the original signal correctly when the SNR is high, but when the SNR is low, the method can´t reconstruct it effectively.
Keywords :
band-pass filters; noise; wavelet transforms; Rayleigh noise signal; SNR; bandpass filter design; wavelet packet; Band pass filters; Continuous wavelet transforms; Filter bank; IIR filters; Signal analysis; Signal processing; Time frequency analysis; Wavelet analysis; Wavelet packets; Wavelet transforms; bandpass filter; signal extraction; wavelet packet;
Conference_Titel :
Image Analysis and Signal Processing (IASP), 2010 International Conference on
Conference_Location :
Zhejiang
Print_ISBN :
978-1-4244-5554-6
Electronic_ISBN :
978-1-4244-5556-0
DOI :
10.1109/IASP.2010.5476158
