wrong decim with fcd device / osmosdr-tetra_demod_fft.py

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Stefan Mandl stefan.mandl1 at googlemail.com
Tue Jul 24 15:42:48 UTC 2012


Hello,

using a FUNcube dongle, the first_decim rate is to high.


regards

Stefan

My patch



--- a/src/demod/python/osmosdr-tetra_demod_fft.py
+++ b/src/demod/python/osmosdr-tetra_demod_fft.py
@@ -61,8 +61,11 @@ class top_block(grc_wxgui.top_block_gui):
     out_sample_rate = symbol_rate * sps

     options.low_pass = options.low_pass / 2.0
-
-    first_decim = 10
+
+    if sample_rate == 96000:
+               first_decim = 2
+    else:
+               first_decim = 10

     self.offset = 0
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