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Use the Raised Cosine filter on YSF TX.
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YSFTX.cpp
18
YSFTX.cpp
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@ -25,16 +25,16 @@
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#include "YSFDefines.h"
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#if defined(WIDE_C4FSK_FILTERS_TX)
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// Generated using rcosdesign(0.2, 4, 5, 'sqrt') in MATLAB
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static q15_t YSF_C4FSK_FILTER[] = {688, -680, -2158, -3060, -2724, -775, 2684, 7041, 11310, 14425, 15565, 14425,
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11310, 7041, 2684, -775, -2724, -3060, -2158, -680, 688, 0};
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const uint16_t YSF_C4FSK_FILTER_LEN = 22U;
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// Generated using rcosdesign(0.2, 4, 5, 'normal') in MATLAB
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static q15_t YSF_C4FSK_FILTER[] = {-1393, -2602, -3044, -2238, 0, 3460, 7543, 11400, 14152, 15152, 14152, 11400,
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7543, 3460, 0, -2238, -3044, -2602, -1393, 0};
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const uint16_t YSF_C4FSK_FILTER_LEN = 20U;
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#else
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// Generated using rcosdesign(0.2, 8, 5, 'sqrt') in MATLAB
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static q15_t YSF_C4FSK_FILTER[] = {401, 104, -340, -731, -847, -553, 112, 909, 1472, 1450, 683, -675, -2144, -3040, -2706, -770, 2667, 6995,
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11237, 14331, 15464, 14331, 11237, 6995, 2667, -770, -2706, -3040, -2144, -675, 683, 1450, 1472, 909, 112,
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-553, -847, -731, -340, 104, 401, 0};
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const uint16_t YSF_C4FSK_FILTER_LEN = 42U;
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// Generated using rcosdesign(0.2, 8, 5, 'normal') in MATLAB
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static q15_t YSF_C4FSK_FILTER[] = {0, -413, -750, -845, -587, 0, 741, 1347, 1520, 1062, 0, -1383, -2582, -3021, -2222, 0, 3434, 7487, 11318,
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14054, 15044, 14054, 11318, 7487, 3434, 0, -2222, -3021, -2582, -1383, 0, 1062, 1520, 1347, 741, 0, -587,
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-845, -750, -413};
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const uint16_t YSF_C4FSK_FILTER_LEN = 40U;
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#endif
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const q15_t YSF_LEVELA[] = { 809, 809, 809, 809, 809};
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