diff options
| author | bgtushar | 2017-11-23 19:30:44 +0530 |
|---|---|---|
| committer | bgtushar | 2017-11-23 19:30:44 +0530 |
| commit | e9ab4b0b52db51be30f4ac3d07673c20b48da13c (patch) | |
| tree | 8f4ce37de0a028350125acfce71cfe686e79ef24 /macros/ncauer.sci | |
| parent | 14ccddd315f0b97a78e965df1587835ac542e35a (diff) | |
| parent | f66d58166a67d6bc89b2a674119410ddaee53d46 (diff) | |
| download | FOSSEE-Signal-Processing-Toolbox-e9ab4b0b52db51be30f4ac3d07673c20b48da13c.tar.gz FOSSEE-Signal-Processing-Toolbox-e9ab4b0b52db51be30f4ac3d07673c20b48da13c.tar.bz2 FOSSEE-Signal-Processing-Toolbox-e9ab4b0b52db51be30f4ac3d07673c20b48da13c.zip | |
Merge
Diffstat (limited to 'macros/ncauer.sci')
| -rw-r--r-- | macros/ncauer.sci | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/macros/ncauer.sci b/macros/ncauer.sci new file mode 100644 index 0000000..c76eb65 --- /dev/null +++ b/macros/ncauer.sci @@ -0,0 +1,49 @@ +function [Zz, Zp, Zg] = ncauer(Rp, Rs, n) +//Analog prototype for Cauer filter. +//Calling Sequence +//[Zz, Zp, Zg] = ncauer(Rp, Rs, n) +//[Zz, Zp] = ncauer(Rp, Rs, n) +//Zz = ncauer(Rp, Rs, n) +//Parameters +//n: Filter Order +//Rp: Peak-to-peak passband ripple +//Rs: Stopband attenuation +//Description +//This is an Octave function. +//It designs an analog prototype for Cauer filter of nth order, with a Peak-to-peak passband ripple of Rp and a stopband attenuation of Rs. +//Examples +//n = 5; +//Rp = 5; +//Rs = 5; +//[Zz, Zp, Zg] = ncauer(Rp, Rs, n) +//Zz = +// +// 0.0000 + 2.5546i 0.0000 + 1.6835i -0.0000 - 2.5546i -0.0000 - 1.6835i +// +//Zp = +// +// -0.10199 + 0.64039i -0.03168 + 0.96777i -0.10199 - 0.64039i -0.03168 - 0.96777i -0.14368 + 0.00000i +// +//Zg = 0.0030628 + +funcprot(0); +lhs = argn(1) +rhs = argn(2) +if (rhs < 3 | rhs > 3) +error("Wrong number of input arguments.") +end + +select(rhs) + + case 3 then + if(lhs==1) + Zz = callOctave("ncauer", Rp, Rs, n) + elseif(lhs==2) + [Zz, Zp] = callOctave("ncauer", Rp, Rs, n) + elseif(lhs==3) + [Zz, Zp, Zg] = callOctave("ncauer", Rp, Rs, n) + else + error("Wrong number of output argments.") + end + end +endfunction |