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Adding Wefax demodulation mode inside Audio App (#2539)

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* Adding_new_WFAX_GUI_mode_Audio_App

* Wefax_APT_demodulation_structure

* Solving REC Apt signal.wav from WFAX

* clang format issues

* correcting comments
This commit is contained in:
Brumi-2021
2025-03-05 04:27:18 +01:00
committed by GitHub
parent b6e498a6d3
commit 52c3760e90
19 changed files with 383 additions and 55 deletions
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firmware/common/dsp_sos_config.hpp
+19 -1
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@@ -25,7 +25,7 @@
#include "dsp_iir.hpp"
// scipy.signal.iirfilter(ftype="ellip", N = 10, rp = 0.5, rs = 60.0, Wn = 0.5, btype = 'lowpass', output="sos")
// 3khz cutofff @fs:12Khz , used in Hilbert
constexpr iir_biquad_df2_config_t half_band_lpf_config[5] = {
{0.02339042f, 0.0411599f, 0.02339042f, 1.0f, -0.95317621f, 0.33446485f},
{1.0f, 0.82196114f, 1.0f, 1.0f, -0.50327735f, 0.63611027f},
@@ -33,4 +33,22 @@ constexpr iir_biquad_df2_config_t half_band_lpf_config[5] = {
{1.0f, 0.14394122f, 1.0f, 1.0f, -0.04368236f, 0.94798064f},
{1.0f, 0.08720754, 1.0f, 1.0f, 0.00220944f, 0.98743139f}};
// scipy.signal.iirfilter(ftype="ellip", N = 10, rp = 0.5, rs = 60.0, Wn = 0.99, btype = 'lowpass', output="sos")
// 6khz cutofff @fs:12Khz , used in WFAX demod.
constexpr iir_biquad_df2_config_t full_band_lpf_config[5] = {
{0.88095275f, 1.76184993f, 0.88095275f, 1.0f, 1.89055677f, 0.89616378f},
{1.0f, 1.99958798f, 1.0f, 1.0f, 1.9781807f, 0.98002549f},
{1.0f, 1.99928911f, 1.0f, 1.0f, 1.99328036f, 0.99447816f},
{1.0f, 1.99914562f, 1.0f, 1.0f, 1.997254f, 0.99828526f},
{1.0f, 1.99909558f, 1.0f, 1.0f, 1.9986187f, 0.99960319f}};
// scipy.signal.iirfilter(ftype="ellip", N = 10, rp = 0.5 , rs = 60.0, Wn = 0.25, btype = 'lowpass', output="sos")
// 1.5khz cutofff @fs:12Khz, used in WFAX demod.
constexpr iir_biquad_df2_config_t quarter_band_lpf_config[5] = {
{0.00349312f, 0.00319397f, 0.00349312f, 1.0f, -1.53025211f, 0.6203438f},
{1.0f, -0.83483341f, 1.0f, 1.0f, -1.47619047f, 0.77120659f},
{1.0f, -1.23050154f, 1.0f, 1.0f, -1.43058949f, 0.9000896f},
{1.0f, -1.33837384f, 1.0f, 1.0f, -1.41007744f, 0.96349953f},
{1.0f, -1.36921549f, 1.0f, 1.0f, -1.40680439f, 0.9910884f}};
#endif /*__DSP_SOS_CONFIG_H__*/