- Category:
- matlab
- Tags:
-
[Matlab]
[源码]
- File Size:
- 737kb
- Update:
- 2017-09-21
- Downloads:
- 0 Times
- Uploaded by:
- 涂子睿
Description: Using window function design FIR filter, draw the filter characteristic diagram. The designed filter is used to process the sinusoidal signals superimposed on several frequency bands, and the time domain and frequency domain signals are compared before and after filtering to verify the effect of the filter. The final recording or download a voice signal, the sampling and noise, then the noise signal is filtered by the filter design, draw time-domain signal waveform and spectrum, mean, variance, autocorrelation function and power spectrum were calculated and compared before and after filtering the signal.
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filter\1.png
filter\2.png
filter\3.png
filter\4.png
filter\5.png
filter\6.png
filter\7.png
filter\filterlh.m
filter\filterlh2.m
filter\加噪音频.wav
filter\原音频.wav
filter\滤波音频.wav
filter
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