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Improve_RF_sensitivity_NOAA_signal (#2654)

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This commit is contained in:
Brumi-2021
2025-05-18 12:49:24 +02:00
committed by GitHub
parent db187301ab
commit 322b06d670
5 changed files with 90 additions and 44 deletions
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8
firmware/baseband/proc_noaaapt_rx.cpp
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@@ -146,16 +146,16 @@ void NoaaAptRx::configure(const NoaaAptRxConfigureMessage& message) {
// Temptatively , I splitted, in two WidebandFMAudio::configure_wfm / WidebandFMAudio::configure_wfmam and dynamically /2, /8 . (here /8)
// decim_1.set<dsp::decimate::FIRC16xR16x16Decim2>().configure(message.decim_1_filter.taps); // for wfm
// decim_1.set<dsp::decimate::FIRC16xR16x32Decim8>().configure(message.decim_1_filter.taps); // for wfmam
decim_1.configure(taps_84k_wfmam_decim_1.taps); // for wfmam
decim_1.configure(taps_38k_wfmam_decim_1.taps); // for wfmam
size_t decim_1_output_fs = decim_1_input_fs / decim_1.decimation_factor; // wfmam, decim_1.decimation_factor() = /8 ,if applied after the line, decim_1.set<dsp::decimate::FIRC16xR16x16Decim2>().configure(message.decim_1_filter.taps);
size_t demod_input_fs = decim_1_output_fs;
// spectrum_interval_samples = decim_1_output_fs / spectrum_rate_hz;
// spectrum_samples = 0;
channel_filter_low_f = taps_84k_wfmam_decim_1.low_frequency_normalized * decim_1_input_fs;
channel_filter_high_f = taps_84k_wfmam_decim_1.high_frequency_normalized * decim_1_input_fs;
channel_filter_transition = taps_84k_wfmam_decim_1.transition_normalized * decim_1_input_fs;
channel_filter_low_f = taps_38k_wfmam_decim_1.low_frequency_normalized * decim_1_input_fs;
channel_filter_high_f = taps_38k_wfmam_decim_1.high_frequency_normalized * decim_1_input_fs;
channel_filter_transition = taps_38k_wfmam_decim_1.transition_normalized * decim_1_input_fs;
demod.configure(demod_input_fs, 17000);
audio_filter.configure(taps_64_lp_1875_2166.taps);
audio_output.configure(apt_audio_12k_notch_2k4_config, apt_audio_12k_lpf_2000hz_config);