diff options
Diffstat (limited to 'macros/islinphase.sci')
| -rw-r--r-- | macros/islinphase.sci | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/macros/islinphase.sci b/macros/islinphase.sci index f004419..a36eef3 100644 --- a/macros/islinphase.sci +++ b/macros/islinphase.sci @@ -1,12 +1,27 @@ //islinphase Determine whether filter has linear phase -// Calling Syntax +// Calling Syntax and Parameter description //flag = islinphase(b,a) +//takes input as numerator and denumerator coefficint matrices and returns flag =1 if filter is linear phase else return flag = 0 + //flag = islinphase(sos) +//takes input as K x 6 second order split (sos) matrix and returns flag =1 if filter is linear phase else returns flag =0 + //flag = islinphase(...,tol) +// tol -->this takes tolerence in similarities between two numbers in phase respose + +//Example : +//flag = islinphase([0 1 2 2 1 0],1) +//Output: +//flag = + +// 1. + +//conclusion : output of above example is flag = 1 means filter is linear phase which must be as example is of symmetric linear phase fir filter //Author: Parthasarathi Panda //parthasarathipanda314@gmail.com + function islin=islinphase(varargin) [nargout,nargin]=argn(); if (nargin==2) then @@ -130,5 +145,5 @@ function islin=islinphase(varargin) else islin=0; end - + endfunction |