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1D Gaussian lowpass filter 1.0
File ID: 77707






1D Gaussian lowpass filter 1.0
Download 1D Gaussian lowpass filter 1.0http://www.mathworks.comReport Error Link
License: Freeware
File Size: 10.0 KB
Downloads: 83
Submit Rating:
1D Gaussian lowpass filter 1.0 Description
Description: This function returns coefficients of Gaussian lowpass filter.
Advantages of Gaussian filter: no ringing or overshoot in time domain.
Diasadvantage: slow rolloff in frequency domain.
Pass SR=sampling rate, fco=cutoff freq, both in Hz, to the function.
Coefficients for FIR filter of length L (L always odd) are computed.
This symmetric FIR filter of length L=2N+1 has delay N/SR seconds.
Examples of use:
Compute Gaussian filter frequency response when SR=1000,fco=50 Hz:
freqz(gaussfiltcoef(1000,50),1,256,1000);
Filter signal X sampled at 5kHz with Gaussian filter with fco=500:
y=filter(gaussfiltcoef(5000,500),1,X);
SR,fco are not sanity-checked. WCR 2006-10-11.

License: Freeware

Related: delay, secondsexamples, usecompute, l3d2n2b1, Symmetric, computedthis, Response, fco, sanitychecked, fco dfiltergaussfiltcoef xsrfco, sampled, hzfreqzgaussfiltcoef filter, Signal, Length, functioncoefficients, filteradvantages, Filter, lowpass

O/S:BSD, Linux, Solaris, Mac OS X

File Size: 10.0 KB

Downloads: 83



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