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jmcorganjmcorgan
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filter: added variable_band_reject_filter_taps and variable_rrc_filter_taps
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‎gr-filter/grc/CMakeLists.txt

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@@ -48,6 +48,8 @@ install(FILES
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variable_low_pass_filter_taps.xml
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variable_high_pass_filter_taps.xml
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variable_band_pass_filter_taps.xml
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variable_band_reject_filter_taps.xml
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variable_rrc_filter_taps.xml
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DESTINATION ${GRC_BLOCKS_DIR}
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COMPONENT "filter_python"
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)

‎gr-filter/grc/filter_block_tree.xml

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<block>variable_low_pass_filter_taps</block>
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<block>variable_high_pass_filter_taps</block>
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<block>variable_band_pass_filter_taps</block>
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<block>variable_band_reject_filter_taps</block>
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<block>variable_rrc_filter_taps</block>
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<!-- FIR convenience filters -->
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<block>low_pass_filter</block>
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<block>high_pass_filter</block>

‎gr-filter/grc/variable_band_reject_filter_taps.xml

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<?xml version="1.0"?>
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<!--
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#########################################################
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# Convenience wrapper for calling firdes.band_reject(...)
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#########################################################
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-->
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<block>
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<name>Band-reject Filter Taps</name>
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<key>variable_band_reject_filter_taps</key>
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<import>from gnuradio.filter import firdes</import>
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<var_make>
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self.$(id) = $(id) = firdes.band_reject($gain, $samp_rate, $low_cutoff_freq, $high_cutoff_freq, $width, $win, $beta)
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</var_make>
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<var_value>firdes.band_reject($gain, $samp_rate, $low_cutoff_freq, $high_cutoff_freq, $width, $win, $beta)</var_value>
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<make></make>
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<param>
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<name>Gain</name>
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<key>gain</key>
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<value>1.0</value>
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<type>float</type>
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</param>
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<param>
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<name>Sample Rate (Hz)</name>
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<key>samp_rate</key>
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<value>samp_rate</value>
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<type>float</type>
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</param>
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<param>
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<name>Low Cutoff Freq (Hz)</name>
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<key>low_cutoff_freq</key>
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<type>float</type>
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</param>
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<param>
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<name>High Cutoff Freq (Hz)</name>
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<key>high_cutoff_freq</key>
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<type>float</type>
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</param>
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<param>
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<name>Transition Width (Hz)</name>
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<key>width</key>
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<type>float</type>
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</param>
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<param>
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<name>Window</name>
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<key>win</key>
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<value>firdes.WIN_HAMMING</value>
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<type>int</type>
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<option>
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<name>Hamming</name>
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<key>firdes.WIN_HAMMING</key>
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</option>
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<option>
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<name>Hann</name>
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<key>firdes.WIN_HANN</key>
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</option>
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<option>
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<name>Blackman</name>
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<key>firdes.WIN_BLACKMAN</key>
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</option>
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<option>
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<name>Rectangular</name>
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<key>firdes.WIN_RECTANGULAR</key>
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</option>
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<option>
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<name>Kaiser</name>
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<key>firdes.WIN_KAISER</key>
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</option>
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</param>
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<param>
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<name>Beta</name>
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<key>beta</key>
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<value>6.76</value>
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<type>float</type>
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</param>
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<doc>
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This is a convenience wrapper for calling firdes.band_reject().
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The beta paramater only applies to the Kaiser window.
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</doc>
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</block>

‎gr-filter/grc/variable_rrc_filter_taps.xml

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<?xml version="1.0"?>
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<!--
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########################################################################
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## Convenience wrapper for calling firdes.root_raised_cosine_filter(...)
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########################################################################
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-->
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<block>
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<name>RRC Filter Taps</name>
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<key>variable_rrc_filter_taps</key>
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<import>from gnuradio.filter import firdes</import>
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<var_make>
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self.$(id) = $(id) = firdes.root_raised_cosine($gain, $samp_rate, $sym_rate, $alpha, $ntaps)
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</var_make>
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<var_value>firdes.root_raised_cosine($gain, $samp_rate, $sym_rate, $alpha, $ntaps)</var_value>
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<make></make>
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<param>
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<name>Gain</name>
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<key>gain</key>
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<value>1.0</value>
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<type>float</type>
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</param>
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<param>
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<name>Sample Rate (Hz)</name>
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<key>samp_rate</key>
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<value>samp_rate</value>
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<type>float</type>
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</param>
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<param>
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<name>Symbol Rate (Hz)</name>
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<key>sym_rate</key>
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<value></value>
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<type>float</type>
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</param>
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<param>
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<name>Excess BW</name>
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<key>alpha</key>
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<value>0.35</value>
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<type>float</type>
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</param>
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<param>
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<name>Num Taps</name>
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<key>ntaps</key>
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<value>11*sps</value>
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<type>int</type>
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</param>
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<doc>
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This is a convenience wrapper for calling firdes.root_raised_cosine(...).
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</doc>
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</block>

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