diff options
Diffstat (limited to 'macros/impzlength.sci')
| -rw-r--r-- | macros/impzlength.sci | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/macros/impzlength.sci b/macros/impzlength.sci index 6e75968..da7900a 100644 --- a/macros/impzlength.sci +++ b/macros/impzlength.sci @@ -6,7 +6,7 @@ function len = impzlength (b, varargin) // len = impzlength(b, a, tol) // returns the impulse response length for the causal discrete-time filter // with the transfer function coefficients for numerator and denominator in -// a and b respectively. For stable IIR filters, len is the effective length +// b and a respectively. For stable IIR filters, len is the effective length // impulse response length, i.e. the length after which the response is // essentially zero // len = impzlength(sos) @@ -34,8 +34,17 @@ function len = impzlength (b, varargin) // 1) Low pass IIR filter with pole at 0.9 // b = 1; // a = [1 -0.9]; -// len = impzlength(b,a); +// len = impzlength(b,a) +//OUTPUT : +// len=93 // +//2) High pass IIR filter with pole at -0.5 +// b = 1; +// a = [1 0.5]; +// len = impzlength(b,a) +//OUTPUT : +// len=14 + // See also // designfilt | digitalFilter | impz | zp2sos // |