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USB channel filter.

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This commit is contained in:
Jared Boone 2016-01-29 22:29:52 -08:00
parent b9c2ba4053
commit f82a22dd2c
1 changed files with 26 additions and 0 deletions
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26
firmware/common/dsp_fir_taps.hpp
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@ -189,6 +189,32 @@ constexpr fir_taps_real<32> taps_6k0_channel {
} },
};
// USB AM 2K80J3E emission type ///////////////////////////////////////////
// IFIR prototype filter: fs=48000, pass=3000, stop=6700, decim=1, fout=48000
constexpr fir_taps_complex<64> taps_2k8_usb_channel {
.pass_frequency_normalized = 3000.0f / 12000.0f,
.stop_frequency_normalized = 3300.0f / 12000.0f,
.taps = { {
{ -146, 0 }, { -41, -45 }, { -1, 10 }, { -95, 69 },
{ -194, -41 }, { -91, -158 }, { 14, -43 }, { -150, 67 },
{ -299, -133 }, { -100, -307 }, { 50, -86 }, { -254, 54 },
{ -453, -329 }, { -62, -587 }, { 170, -189 }, { -334, 0 },
{ -580, -645 }, { 104, -986 }, { 418, -304 }, { -412, -88 },
{ -680, -1178 }, { 527, -1623 }, { 970, -432 }, { -441, -196 },
{ -698, -2149 }, { 1617, -2800 }, { 2384, -507 }, { -429, -311 },
{ -545, -5181 }, { 6925, -7691 }, { 14340, 0 }, { 10601, 11773 },
{ -1499, 14261 }, { -8373, 6083 }, { -5095, -1083 }, { -265, -459 },
{ -753, 2318 }, { -2954, 1315 }, { -2064, -919 }, { -149, -459 },
{ -531, 920 }, { -1669, 355 }, { -1100, -800 }, { -44, -419 },
{ -346, 384 }, { -992, 0 }, { -580, -645 }, { 35, -332 },
{ -205, 149 }, { -577, -123 }, { -280, -485 }, { 80, -247 },
{ -91, 40 }, { -294, -131 }, { -101, -312 }, { 82, -142 },
{ -44, 9 }, { -147, -107 }, { -21, -197 }, { 79, -88 },
{ 10, 0 }, { -41, -45 }, { 15, -145 }, { 0, 0 },
} },
};
// WFM 200KF8E emission type //////////////////////////////////////////////
// IFIR image-reject filter: fs=3072000, pass=100000, stop=484000, decim=4, fout=768000