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Diffstat (limited to 'macros/buttord.sci')
| -rw-r--r-- | macros/buttord.sci | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/macros/buttord.sci b/macros/buttord.sci index dbf0e10..11aeb6c 100644 --- a/macros/buttord.sci +++ b/macros/buttord.sci @@ -12,11 +12,9 @@ function [n, Wc] = buttord(Wp, Ws, Rp, Rs) //Minimum filter order and 3dB cutoff frequency of a digital Butterworth filter with the desired response characteristics - //Calling Sequence //n = buttord(Wp, Ws, Rp, Rs) //[n, Wc] = buttord(Wp, Ws, Rp, Rs) - //Parameters //Wp: scalar or vector of length 2 (passband edge(s) ), elements must be in the range [0,1] //Ws: scalar or vector of length 2 (stopband edge(s) ), elements must be in the range [0,1] @@ -24,7 +22,6 @@ function [n, Wc] = buttord(Wp, Ws, Rp, Rs) //Rs: stopband attenuation in dB. //n: Minimum filter order satisfying specs //Wc: 3dB cutoff frequency/frequencies - //Description. //This function computes the minimum filter order of a Butterworth filter with the desired response characteristics. //The filter frequency band edges are specified by the passband frequency wp and stopband frequency ws. @@ -33,7 +30,6 @@ function [n, Wc] = buttord(Wp, Ws, Rp, Rs) //If ws>wp, the filter is a low pass filter. If wp>ws, the filter is a high pass filter. //If wp and ws are vectors of length 2, then the passband interval is defined by wp the stopband interval is defined by ws. //If wp is contained within the lower and upper limits of ws, the filter is a band-pass filter. If ws is contained within the lower and upper limits of wp the filter is a band-stop or band-reject filter. - //Examples //Wp = 40/500 ; //Ws = 150/500 ; |