diff options
Diffstat (limited to 'macros/iirlp2mb.sci')
| -rw-r--r-- | macros/iirlp2mb.sci | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/macros/iirlp2mb.sci b/macros/iirlp2mb.sci index 09ec743..1d59406 100644 --- a/macros/iirlp2mb.sci +++ b/macros/iirlp2mb.sci @@ -9,11 +9,13 @@ // Last Modified on : 3 Feb 2024 // Organization: FOSSEE, IIT Bombay // Email: toolbox@scilab.in + +function [Num,Den,AllpassNum,AllpassDen] = iirlp2mb(varargin) // IIR Low Pass Filter to Multiband Filter Transformation -// +// Calling Sequence // [Num,Den,AllpassNum,AllpassDen] = iirlp2mb(B,A,Wo,Wt) // [Num,Den,AllpassNum,AllpassDen] = iirlp2mb(B,A,Wo,Wt,Pass) -// +// Parameters // Num,Den: numerator,denominator of the transformed filter // AllpassNum,AllpassDen: numerator,denominator of allpass transform, // B,A: numerator,denominator of prototype low pass filter @@ -21,7 +23,7 @@ // Wt: [phi=normalized_angular_frequencies]/pi target vector // Pass: This parameter may have values 'pass' or 'stop'. If // not given, it defaults to the value of 'pass'. -// +//Description // With normalized ang. freq. targets 0 < phi(1) < ... < phi(n) < pi radians // // for Pass == 'pass', the target multiband magnitude will be: @@ -34,7 +36,6 @@ // \ / \ / . // 0 phi(1) phi(2) phi(3) phi(4) (phi(5)) pi // -function [Num,Den,AllpassNum,AllpassDen] = iirlp2mb(varargin) usage = sprintf("iirlp2mb Usage: [Num,Den,AllpassNum,AllpassDen]=iirlp2mb(B,A,Wo,Wt[,Pass])\n"); B = varargin(1); // numerator polynomial of prototype low pass filter |