sin_rom.cpp

#include "sin_rom.hpp"


// Each output data point comes from taking the dot product
// between this function and the history of measured values.
// The table contains sin and cos multiplied by a window function
// that is a convolution between a rect with width of one IF period
// and a gaussian window.

const int16_t sinROM50x1[100] = {
32767, 0,
32509, -4107,
31738, -8149,
30466, -12062,
28714, -15786,
26509, -19260,
23886, -22431,
20886, -25247,
17557, -27666,
13952, -29648,
10126, -31163,
6140, -32187,
2057, -32702,
-2057, -32702,
-6140, -32187,
-10126, -31163,
-13952, -29648,
-17557, -27666,
-20886, -25247,
-23886, -22431,
-26509, -19260,
-28714, -15786,
-30466, -12062,
-31738, -8149,
-32509, -4107,
-32767, 0,
-32509, 4107,
-31738, 8149,
-30466, 12062,
-28714, 15786,
-26509, 19260,
-23886, 22431,
-20886, 25247,
-17557, 27666,
-13952, 29648,
-10126, 31163,
-6140, 32187,
-2057, 32702,
2057, 32702,
6140, 32187,
10126, 31163,
13952, 29648,
17557, 27666,
20886, 25247,
23886, 22431,
26509, 19260,
28714, 15786,
30466, 12062,
31738, 8149,
32509, 4107};

const int16_t sinROM48x1[96] = {
32767, 0,
32487, -4277,
31650, -8481,
30273, -12539,
28377, -16383,
25996, -19947,
23170, -23170,
19947, -25996,
16384, -28377,
12539, -30273,
8481, -31650,
4277, -32487,
0, -32767,
-4277, -32487,
-8481, -31650,
-12539, -30273,
-16383, -28377,
-19947, -25996,
-23170, -23170,
-25996, -19947,
-28377, -16383,
-30273, -12539,
-31650, -8481,
-32487, -4277,
-32767, 0,
-32487, 4277,
-31650, 8481,
-30273, 12539,
-28377, 16384,
-25996, 19947,
-23170, 23170,
-19947, 25996,
-16384, 28377,
-12539, 30273,
-8481, 31650,
-4277, 32487,
0, 32767,
4277, 32487,
8481, 31650,
12539, 30273,
16384, 28377,
19947, 25996,
23170, 23170,
25996, 19947,
28377, 16384,
30273, 12539,
31650, 8481,
32487, 4277};

const int16_t sinROM25x2[100] = {
464, 0,
1018, -261,
1558, -856,
1939, -1821,
1987, -3132,
1524, -4691,
397, -6316,
-1479, -7751,
-4089, -8690,
-7294, -8817,
-10824, -7864,
-14296, -5660,
-17255, -2180,
-19235, 2430,
-19826, 7850,
-18739, 13615,
-15856, 19167,
-11257, 23922,
-5216, 27342,
1825, 29000,
9304, 28634,
16605, 26165,
23120, 21711,
28307, 15562,
31738, 8149,
32303, 0,
30720, -7888,
27156, -14929,
21947, -20610,
15570, -24534,
8601, -26472,
1660, -26386,
-4661, -24435,
-9862, -20959,
-13592, -16430,
-15685, -11396,
-16170, -6402,
-15254, -1927,
-13274, 1677,
-10640, 4213,
-7770, 5645,
-5030, 6080,
-2695, 5726,
-924, 4845,
233, 3702,
822, 2530,
952, 1501,
766, 719,
407, 223,
0, 0}; //*/

const int16_t sinROM24x2[96] = {
530, 0,
1153, -309,
1738, -1004,
2111, -2111,
2068, -3582,
1414, -5278,
0, -6965,
-2233, -8333,
-5215, -9033,
-8731, -8731,
-12423, -7173,
-15825, -4240,
-18422, 0,
-19723, 5285,
-19344, 11168,
-17070, 17070,
-12901, 22345,
-7067, 26373,
0, 28631,
7708, 28767,
15380, 26639,
22326, 22326,
27918, 16118,
31650, 8481,
32237, 0,
30498, -8172,
26639, -15380,
21059, -21059,
14315, -24795,
7067, -26373,
0, -25802,
-6248, -23317,
-11168, -19344,
-14439, -14439,
-15954, -9211,
-15825, -4240,
-14345, 0,
-11927, 3196,
-9033, 5215,
-6100, 6100,
-3482, 6032,
-1414, 5278,
0, 4136,
773, 2883,
1004, 1738,
844, 844,
459, 265,
0, 0};

const int16_t sinROM6x2[24] = {
5277, 0,
5387, -9330,
-8192, -14189,
-21993, 0,
-13745, 23807,
16384, 28377,
27490, 0,
10997, -19047,
-8192, -14189,
-10774, 0,
-2638, 4570,
0, 0};

const int16_t sinROM3x4[24] = {
5277, 0,
-5387, -9330,
-8192, 14189,
21993, 0,
-13745, -23807,
-16383, 28377,
27490, 0,
-10997, -19047,
-8192, 14189,
10774, 0,
-2638, -4570,
0, 0};

const int16_t sinROM4x3[24] = {
5277, 0,
0, -10774,
-16383, 0,
0, 21993,
27490, 0,
0, -32767,
-27490, 0,
0, 21993,
16383, 0,
0, -10774,
-5277, 0,
0, 0};



const int16_t sinROM10x2[40] = {
2891, 0,
4877, -3543,
2893, -8905,
-3967, -12209,
-13255, -9630,
-19929, 0,
-18934, 13756,
-8263, 25430,
9232, 28414,
26509, 19260,
29876, 0,
21632, -15717,
7232, -22258,
-6158, -18954,
-13255, -9630,
-12838, 0,
-7575, 5504,
-1863, 5733,
893, 2750,
0, 0};

const int16_t sinROM200x1[400] = {
32767, 0,
32751, -1029,
32702, -2057,
32622, -3084,
32509, -4107,
32364, -5126,
32187, -6140,
31978, -7148,
31738, -8149,
31466, -9142,
31163, -10126,
30830, -11099,
30466, -12062,
30072, -13013,
29648, -13952,
29196, -14876,
28714, -15786,
28204, -16680,
27666, -17557,
27101, -18418,
26509, -19260,
25891, -20083,
25247, -20886,
24579, -21669,
23886, -22431,
23170, -23170,
22431, -23886,
21669, -24579,
20886, -25247,
20083, -25891,
19260, -26509,
18418, -27101,
17557, -27666,
16680, -28204,
15786, -28714,
14876, -29196,
13952, -29648,
13013, -30072,
12062, -30466,
11099, -30830,
10126, -31163,
9142, -31466,
8149, -31738,
7148, -31978,
6140, -32187,
5126, -32364,
4107, -32509,
3084, -32622,
2057, -32702,
1029, -32751,
0, -32767,
-1029, -32751,
-2057, -32702,
-3084, -32622,
-4107, -32509,
-5126, -32364,
-6140, -32187,
-7148, -31978,
-8149, -31738,
-9142, -31466,
-10126, -31163,
-11099, -30830,
-12062, -30466,
-13013, -30072,
-13952, -29648,
-14876, -29196,
-15786, -28714,
-16680, -28204,
-17557, -27666,
-18418, -27101,
-19260, -26509,
-20083, -25891,
-20886, -25247,
-21669, -24579,
-22431, -23886,
-23170, -23170,
-23886, -22431,
-24579, -21669,
-25247, -20886,
-25891, -20083,
-26509, -19260,
-27101, -18418,
-27666, -17557,
-28204, -16680,
-28714, -15786,
-29196, -14876,
-29648, -13952,
-30072, -13013,
-30466, -12062,
-30830, -11099,
-31163, -10126,
-31466, -9142,
-31738, -8149,
-31978, -7148,
-32187, -6140,
-32364, -5126,
-32509, -4107,
-32622, -3084,
-32702, -2057,
-32751, -1029,
-32767, 0,
-32751, 1029,
-32702, 2057,
-32622, 3084,
-32509, 4107,
-32364, 5126,
-32187, 6140,
-31978, 7148,
-31738, 8149,
-31466, 9142,
-31163, 10126,
-30830, 11099,
-30466, 12062,
-30072, 13013,
-29648, 13952,
-29196, 14876,
-28714, 15786,
-28204, 16680,
-27666, 17557,
-27101, 18418,
-26509, 19260,
-25891, 20083,
-25247, 20886,
-24579, 21669,
-23886, 22431,
-23170, 23170,
-22431, 23886,
-21669, 24579,
-20886, 25247,
-20083, 25891,
-19260, 26509,
-18418, 27101,
-17557, 27666,
-16680, 28204,
-15786, 28714,
-14876, 29196,
-13952, 29648,
-13013, 30072,
-12062, 30466,
-11099, 30830,
-10126, 31163,
-9142, 31466,
-8149, 31738,
-7148, 31978,
-6140, 32187,
-5126, 32364,
-4107, 32509,
-3084, 32622,
-2057, 32702,
-1029, 32751,
0, 32767,
1029, 32751,
2057, 32702,
3084, 32622,
4107, 32509,
5126, 32364,
6140, 32187,
7148, 31978,
8149, 31738,
9142, 31466,
10126, 31163,
11099, 30830,
12062, 30466,
13013, 30072,
13952, 29648,
14876, 29196,
15786, 28714,
16680, 28204,
17557, 27666,
18418, 27101,
19260, 26509,
20083, 25891,
20886, 25247,
21669, 24579,
22431, 23886,
23170, 23170,
23886, 22431,
24579, 21669,
25247, 20886,
25891, 20083,
26509, 19260,
27101, 18418,
27666, 17557,
28204, 16680,
28714, 15786,
29196, 14876,
29648, 13952,
30072, 13013,
30466, 12062,
30830, 11099,
31163, 10126,
31466, 9142,
31738, 8149,
31978, 7148,
32187, 6140,
32364, 5126,
32509, 4107,
32622, 3084,
32702, 2057,
32751, 1029};

const int16_t sinROM100x1[200] = {
32767, 0,
32702, -2057,
32509, -4107,
32187, -6140,
31738, -8149,
31163, -10126,
30466, -12062,
29648, -13952,
28714, -15786,
27666, -17557,
26509, -19260,
25247, -20886,
23886, -22431,
22431, -23886,
20886, -25247,
19260, -26509,
17557, -27666,
15786, -28714,
13952, -29648,
12062, -30466,
10126, -31163,
8149, -31738,
6140, -32187,
4107, -32509,
2057, -32702,
0, -32767,
-2057, -32702,
-4107, -32509,
-6140, -32187,
-8149, -31738,
-10126, -31163,
-12062, -30466,
-13952, -29648,
-15786, -28714,
-17557, -27666,
-19260, -26509,
-20886, -25247,
-22431, -23886,
-23886, -22431,
-25247, -20886,
-26509, -19260,
-27666, -17557,
-28714, -15786,
-29648, -13952,
-30466, -12062,
-31163, -10126,
-31738, -8149,
-32187, -6140,
-32509, -4107,
-32702, -2057,
-32767, 0,
-32702, 2057,
-32509, 4107,
-32187, 6140,
-31738, 8149,
-31163, 10126,
-30466, 12062,
-29648, 13952,
-28714, 15786,
-27666, 17557,
-26509, 19260,
-25247, 20886,
-23886, 22431,
-22431, 23886,
-20886, 25247,
-19260, 26509,
-17557, 27666,
-15786, 28714,
-13952, 29648,
-12062, 30466,
-10126, 31163,
-8149, 31738,
-6140, 32187,
-4107, 32509,
-2057, 32702,
0, 32767,
2057, 32702,
4107, 32509,
6140, 32187,
8149, 31738,
10126, 31163,
12062, 30466,
13952, 29648,
15786, 28714,
17557, 27666,
19260, 26509,
20886, 25247,
22431, 23886,
23886, 22431,
25247, 20886,
26509, 19260,
27666, 17557,
28714, 15786,
29648, 13952,
30466, 12062,
31163, 10126,
31738, 8149,
32187, 6140,
32509, 4107,
32702, 2057};