The following commit has been merged in the master branch:
commit 7baf9b8fd2f0ebcece8fcb5292878a25f008d808
Author: Andrei Zavada <[email protected]>
Date: Sat Nov 10 12:54:21 2012 +0200
psd.cc: don't apply windowing function twice (oops, sorry!)
diff --git a/src/metrics/psd.cc b/src/metrics/psd.cc
index 41cf09a..a4e8fe9 100644
--- a/src/metrics/psd.cc
+++ b/src/metrics/psd.cc
@@ -194,18 +194,6 @@ compute( const SFFTParamSet& req_params,
// 2. zero-mean and detrend
// zero-mean already done in CEDFFile::get_signal_filtered()
- // 3. apply windowing function
- {
- // (a) create a static vector of multipliers
- valarray<double>
- W (spp);
- for ( size_t i = 0; i < spp; ++i )
- W[i] = sigproc::winf[(size_t)welch_window_type]( i,
spp);
-
- // (b) apply it page by page
- for ( size_t p = 0; p < pages(); ++p )
- S[ slice(p * spp, 1 * spp, 1) ] *= W;
- }
// 4. obtain power spectrum
// prepare
--
Sleep experiment manager
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