Programmer Guide/Command Reference/EVAL/fir1: Difference between revisions
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Revision as of 17:31, 18 November 2010
fir1
A Finite Impulse Response (FIR) filter.
Usage:
fir1(f1, f2, n)
Function:
Computes the filter coefficients for a FIR filter with cutoff frequencies f1, f2 and the length 2*n+1.
Result:
A vector with 2*n+1 filter coefficients.
Usage:
fir1(f1, f2, n, x)
Function:
Computes the filter coefficients for a FIR filter with cutoff frequencies f1, f2 and the length 2*n+1 and applies the computed filter to the signal vector x.
Result:
The FIR filtered signal.
Return Type:
Same as x.
