[Commit-gnuradio] r7997 - gnuradio/trunk/gr-wxgui/src/python

[jcorgan]

Author: jcorgan
Date: 2008-03-12 11:52:38 -0600 (Wed, 12 Mar 2008)
New Revision: 7997

Modified:
   gnuradio/trunk/gr-wxgui/src/python/fftsink2.py
Log:
Fix incorrect FFT size compensation in fftsink2

Modified: gnuradio/trunk/gr-wxgui/src/python/fftsink2.py
===================================================================
--- gnuradio/trunk/gr-wxgui/src/python/fftsink2.py      2008-03-12 17:38:31 UTC 
(rev 7996)
+++ gnuradio/trunk/gr-wxgui/src/python/fftsink2.py      2008-03-12 17:52:38 UTC 
(rev 7997)
@@ -122,7 +122,7 @@
 
         # FIXME  We need to add 3dB to all bins but the DC bin
         self.log = gr.nlog10_ff(20, self.fft_size,
-                               -20*math.log10(self.fft_size)           # 
Adjust for number of bins
+                               -10*math.log10(self.fft_size)           # 
Adjust for number of bins
                               -10*math.log10(power/self.fft_size)      # 
Adjust for windowing loss
                               -20*math.log10(ref_scale/2))             # 
Adjust for reference scale
                               
@@ -165,7 +165,7 @@
 
         # FIXME  We need to add 3dB to all bins but the DC bin
         self.log = gr.nlog10_ff(20, self.fft_size,
-                                -20*math.log10(self.fft_size)          # 
Adjust for number of bins
+                                -10*math.log10(self.fft_size)          # 
Adjust for number of bins
                                -10*math.log10(power/self.fft_size)     # 
Adjust for windowing loss
                                -20*math.log10(ref_scale/2))            # 
Adjust for reference scale