From 338c6d7980947579d7419feeaa48ca8f9ae84086 Mon Sep 17 00:00:00 2001 From: sara Date: Sat, 27 Nov 2021 16:02:16 +0100 Subject: Test FIR filter implemenatation / eigener FIR Block Gnur radio --- simulation/QAM_Fading/qam_fading_block.py | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'simulation/QAM_Fading/qam_fading_block.py') diff --git a/simulation/QAM_Fading/qam_fading_block.py b/simulation/QAM_Fading/qam_fading_block.py index b16ac7a..8186175 100755 --- a/simulation/QAM_Fading/qam_fading_block.py +++ b/simulation/QAM_Fading/qam_fading_block.py @@ -36,7 +36,7 @@ from argparse import ArgumentParser from gnuradio.eng_arg import eng_float, intx from gnuradio import eng_notation from gnuradio.qtgui import Range, RangeWidget -import epy_block_0 +import fadingui import numpy as np from gnuradio import qtgui @@ -491,6 +491,7 @@ class qam_fading_block(gr.top_block, Qt.QWidget): self.plots_grid_layout_0.setRowStretch(r, 1) for c in range(0, 1): self.plots_grid_layout_0.setColumnStretch(c, 1) + self.fadingui_multipath_fading_0 = fadingui.multipath_fading(amplitudes=[0.2,0.2], delays=[sps+1,sps+1]) self._fading_1_range = Range(1, 30, 1, 2, 200) self._fading_1_win = RangeWidget(self._fading_1_range, self.set_fading_1, 'Fading', "counter_slider", int) self.params_grid_layout_2.addWidget(self._fading_1_win, 1, 0, 1, 1) @@ -498,7 +499,6 @@ class qam_fading_block(gr.top_block, Qt.QWidget): self.params_grid_layout_2.setRowStretch(r, 1) for c in range(0, 1): self.params_grid_layout_2.setColumnStretch(c, 1) - self.epy_block_0 = epy_block_0.blk(amplitudes=[0.2,0.2], delays=[sps+1,sps+1], los=True) self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(sps , timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 1) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 1) self.digital_map_bb_0_0 = digital.map_bb([0, 1, 3, 2]) @@ -568,7 +568,7 @@ class qam_fading_block(gr.top_block, Qt.QWidget): self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0_1, 0), (self.blocks_char_to_float_0_1, 0)) self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0)) - self.connect((self.channels_channel_model_0, 0), (self.epy_block_0, 0)) + self.connect((self.channels_channel_model_0, 0), (self.fadingui_multipath_fading_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.qtgui_const_sink_x_0, 1)) self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 1)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) @@ -590,9 +590,9 @@ class qam_fading_block(gr.top_block, Qt.QWidget): self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_cma_equalizer_cc_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.qtgui_const_sink_x_0_0, 1)) - self.connect((self.epy_block_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) - self.connect((self.epy_block_0, 0), (self.qtgui_const_sink_x_0, 0)) - self.connect((self.epy_block_0, 0), (self.qtgui_freq_sink_x_0, 0)) + self.connect((self.fadingui_multipath_fading_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) + self.connect((self.fadingui_multipath_fading_0, 0), (self.qtgui_const_sink_x_0, 0)) + self.connect((self.fadingui_multipath_fading_0, 0), (self.qtgui_freq_sink_x_0, 0)) def closeEvent(self, event): @@ -606,7 +606,6 @@ class qam_fading_block(gr.top_block, Qt.QWidget): def set_sps(self, sps): self.sps = sps self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts)) - self.epy_block_0.delays = [self.sps+1,self.sps+1] def get_nfilts(self): return self.nfilts -- cgit v1.2.1