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wfm_filters_GUI_name_std (#2668)

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Brumi-2021
2025-05-25 20:04:08 +02:00
committed by GitHub
parent d3c9dc1f10
commit c79abccffd
7 changed files with 21 additions and 21 deletions
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26
firmware/common/dsp_fir_taps.hpp
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@@ -1240,11 +1240,11 @@ constexpr fir_taps_real<24> taps_180k_wfm_decim_0 = {
}},
};
// IFIR prototype filter: fs=768000, pass=90000, stop=110000, decim=2, fout=384000
// IFIR prototype filter: fs=768000, pass=90000, stop=170000, decim=2, fout=384000
constexpr fir_taps_real<16> taps_180k_wfm_decim_1 = {
.low_frequency_normalized = -90000.0f / 768000.0f,
.high_frequency_normalized = 90000.0f / 768000.0f,
.transition_normalized = 20000.0f / 768000.0f,
.transition_normalized = 80000.0f / 768000.0f,
.taps = {{
55,
19,
@@ -1265,13 +1265,13 @@ constexpr fir_taps_real<16> taps_180k_wfm_decim_1 = {
}},
};
// WFM 40kHZ filter for NOAA APT reception in 137Mhz band with sharp transition //////////////////////////////////////////////
// WFM 80kHZ filter with sharp transition //////////////////////////////////////////////
// IFIR image-reject filter: fs=3072000, pass=20000, stop=97000, decim=4, fout=768000
constexpr fir_taps_real<24> taps_40k_wfm_decim_0 = {
.low_frequency_normalized = -20000.0f / 3072000.0f,
.high_frequency_normalized = 20000.0f / 3072000.0f,
.transition_normalized = 67000.0f / 3072000.0f,
// IFIR image-reject filter: fs=3072000, pass=97000, stop=300000, decim=4, fout=768000
constexpr fir_taps_real<24> taps_80k_wfm_decim_0 = {
.low_frequency_normalized = -97000.0f / 3072000.0f,
.high_frequency_normalized = 97000.0f / 3072000.0f,
.transition_normalized = 203000.0f / 3072000.0f,
.taps = {{
46,
112,
@@ -1300,11 +1300,11 @@ constexpr fir_taps_real<24> taps_40k_wfm_decim_0 = {
}},
};
// IFIR prototype filter: fs=768000, pass=20000, stop=55000, decim=2, fout=384000
constexpr fir_taps_real<16> taps_40k_wfm_decim_1 = {
.low_frequency_normalized = -20000.0f / 768000.0f,
.high_frequency_normalized = 20000.0f / 768000.0f,
.transition_normalized = 35000.0f / 768000.0f,
// IFIR prototype filter: fs=768000, pass=37500, stop=112500, decim=2, fout=384000
constexpr fir_taps_real<16> taps_80k_wfm_decim_1 = {
.low_frequency_normalized = -37500.0f / 768000.0f,
.high_frequency_normalized = 37500.0f / 768000.0f,
.transition_normalized = 75000.0f / 768000.0f,
.taps = {{
83,
299,