Mercurial > hg > ishara
annotate arrows/dsp/apowspec1.m @ 0:672052bd81f8
Initial partial import.
| author | samer |
|---|---|
| date | Wed, 19 Dec 2012 22:38:28 +0000 |
| parents | |
| children |
| rev | line source |
|---|---|
| samer@0 | 1 % apowspec1 - Arrow to compute power spectra (automatic sizing version) |
| samer@0 | 2 % |
| samer@0 | 3 % apowspec1 :: |
| samer@0 | 4 % (N:natural -> [[N]]) ~'analysis window function' |
| samer@0 | 5 % -> arrow( {[[N]]}, {[[dftbins(N)]]}, empty). |
| samer@0 | 6 |
| samer@0 | 7 function o=apowspec1(windowfn) |
| samer@0 | 8 o=arrf(@mk,1,1); |
| samer@0 | 9 function f=mk(sizes) |
| samer@0 | 10 N=sizes{1}(1); |
| samer@0 | 11 W=spdiag(windowfn(N)); |
| samer@0 | 12 f=@(x)powspec(W*x,N); |
| samer@0 | 13 end |
| samer@0 | 14 end |