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  • License: Freeware
  • Last update: 5 years ago
  • Total downloads: 435
  • Price: Free |
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: William Rose (1 other programs)
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scripts default icon1D Gaussian lowpass filter (Scripts) Publisher's description

This function returns coefficients of Gaussian lowpass filter.

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:
Filter signal X sampled at 5kHz with Gaussian filter with fco=500:
SR,fco are not sanity-checked. WCR 2006-10-11.

System Requirements:

MATLAB 7.2 (R2006a)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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