Band-Pass Digital Filter Window Function Method Design and Spectrum Leak Analysis Based on MATLAB

Xin Zhao; Shan Ren

doi:10.4028/www.scientific.net/AMR.706-708.1759

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 706-708Band-Pass Digital Filter Window Function Method...

Band-Pass Digital Filter Window Function Method Design and Spectrum Leak Analysis Based on MATLAB

Abstract:

In the digital signal processing process, the length of signal that we can get is limited, so should be infinite long time sequence limit in a certain interval, only choose one of the segment signal to carry on the analysis, namely cut off the signal, and this process is equivalent to add a window function to the signal is, using the window function truncation infinite unit sampling response sequence. This article in accordance with the principles of window function design method, based on analysis spectrum of the measured signal, design and analysis that add different window function on filter performance effect while signal intercept, and ultimately chose a suitable window function for the measured signal to the design of filter. Through the MATLAB simulation shows that the choice of window function can meet the measured signal filtering.

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Periodical:

Advanced Materials Research (Volumes 706-708)

Pages:

1759-1762

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.706-708.1759

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Online since:

June 2013

Authors:

Xin Zhao, Shan Ren

Keywords:

Band-Pass Digital Filter, MATLAB, Spectrum Leak Analysis, SPTool, Window Function Method

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References

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