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- added additional lowpass before AM demod

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git-svn-id: http://moon:8086/svn/software/trunk/projects/GnuRadio@518 b431acfa-c32f-4a4a-93f1-934dc6c82436
This commit is contained in:
jens
2019-05-30 12:24:40 +00:00
parent c1aef591eb
commit e9767ef9c9
1 changed files with 148 additions and 30 deletions
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peak_det_eval.grc
+148 -30
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@@ -286,7 +286,7 @@
</param>
<param>
<key>value</key>
<value>0.5</value>
<value>0.1</value>
</param>
<param>
<key>_enabled</key>
@@ -451,6 +451,53 @@
<value>firdes.WIN_HAMMING</value>
</param>
</block>
<block>
<key>variable_low_pass_filter_taps</key>
<param>
<key>beta</key>
<value>6.76</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>cutoff_freq</key>
<value>audio_rate</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(24, 1068)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>gain</key>
<value>1</value>
</param>
<param>
<key>id</key>
<value>variable_low_pass_filter_taps_1</value>
</param>
<param>
<key>samp_rate</key>
<value>channel_rate</value>
</param>
<param>
<key>width</key>
<value>100</value>
</param>
<param>
<key>win</key>
<value>firdes.WIN_HAMMING</value>
</param>
</block>
<block>
<key>variable_qtgui_check_box</key>
<param>
@@ -557,6 +604,65 @@
<value>float</value>
</param>
</block>
<block>
<key>analog_agc_xx</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(552, 164)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>gain</key>
<value>1.0</value>
</param>
<param>
<key>id</key>
<value>analog_agc_xx_1</value>
</param>
<param>
<key>max_gain</key>
<value>50</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>rate</key>
<value>1e-2</value>
</param>
<param>
<key>reference</key>
<value>0.05</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
</block>
<block>
<key>analog_am_demod_cf</key>
<param>
@@ -1952,7 +2058,7 @@
</param>
<param>
<key>taps</key>
<value>1</value>
<value>variable_low_pass_filter_taps_1</value>
</param>
<param>
<key>type</key>
@@ -1975,11 +2081,11 @@
</param>
<param>
<key>_enabled</key>
<value>0</value>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(1152, 472)</value>
<value>(576, 80)</value>
</param>
<param>
<key>_rotation</key>
@@ -2134,17 +2240,17 @@
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>peak_height_min</key>
<value>peak_thresh_dB</value>
</param>
<param>
<key>peak_width_max</key>
<value>55</value>
<value>80000</value>
</param>
<param>
<key>peak_width_min</key>
<value>5</value>
<value>40000</value>
</param>
<param>
<key>peak_height_min</key>
<value>peak_thresh_dB</value>
</param>
<param>
<key>vlen</key>
@@ -2159,7 +2265,7 @@
</param>
<param>
<key>alpha_s</key>
<value>0.2</value>
<value>0.4</value>
</param>
<param>
<key>bandwidth</key>
@@ -2209,17 +2315,17 @@
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>peak_height_min</key>
<value>peak_thresh_dB</value>
</param>
<param>
<key>peak_width_max</key>
<value>55</value>
<value>2500</value>
</param>
<param>
<key>peak_width_min</key>
<value>5</value>
<value>2000</value>
</param>
<param>
<key>peak_height_min</key>
<value>peak_thresh_dB</value>
</param>
<param>
<key>vlen</key>
@@ -2403,7 +2509,7 @@
</param>
<param>
<key>_coordinate</key>
<value>(1264, 56)</value>
<value>(1272, 28)</value>
</param>
<param>
<key>gui_hint</key>
@@ -2603,7 +2709,7 @@
</param>
<param>
<key>showports</key>
<value>True</value>
<value>False</value>
</param>
<param>
<key>freqhalf</key>
@@ -4956,6 +5062,18 @@
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>analog_agc_xx_1</source_block_id>
<sink_block_id>analog_am_demod_cf_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>analog_agc_xx_1</source_block_id>
<sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>analog_am_demod_cf_0</source_block_id>
<sink_block_id>dc_blocker_xx_0</sink_block_id>
@@ -5120,13 +5238,7 @@
</connection>
<connection>
<source_block_id>freq_xlating_fir_filter_xxx_0_0</source_block_id>
<sink_block_id>analog_am_demod_cf_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>freq_xlating_fir_filter_xxx_0_0</source_block_id>
<sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
<sink_block_id>analog_agc_xx_1</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
@@ -5137,16 +5249,22 @@
<sink_key>freq</sink_key>
</connection>
<connection>
<source_block_id>jay_message_filter_0_0</source_block_id>
<sink_block_id>freq_xlating_fir_filter_xxx_0_0</sink_block_id>
<source_block_id>jay_message_filter_0</source_block_id>
<sink_block_id>jay_message_debug_0</sink_block_id>
<source_key>out</source_key>
<sink_key>control</sink_key>
</connection>
<connection>
<source_block_id>jay_message_filter_0</source_block_id>
<sink_block_id>qtgui_freq_sink_x_0</sink_block_id>
<source_key>out</source_key>
<sink_key>freq</sink_key>
</connection>
<connection>
<source_block_id>jay_message_filter_0_0</source_block_id>
<sink_block_id>jay_message_debug_0</sink_block_id>
<sink_block_id>freq_xlating_fir_filter_xxx_0_0</sink_block_id>
<source_key>out</source_key>
<sink_key>control</sink_key>
<sink_key>freq</sink_key>
</connection>
<connection>
<source_block_id>jay_peak_detect_1</source_block_id>