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multi-vfo

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Ryzerth
2020-08-10 02:30:25 +02:00
parent 7759de96da
commit b65bddc1b3
6 changed files with 268 additions and 123 deletions
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8
src/dsp/demodulator.h
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@@ -14,15 +14,13 @@
#define FAST_ATAN2_COEF2 3.0f * FAST_ATAN2_COEF1
inline float fast_arctan2(float y, float x) {
float abs_y = fabs(y)+1e-10;
float abs_y = fabs(y) + (1e-10);
float r, angle;
if (x>=0)
{
if (x>=0) {
r = (x - abs_y) / (x + abs_y);
angle = FAST_ATAN2_COEF1 - FAST_ATAN2_COEF1 * r;
}
else
{
else {
r = (x + abs_y) / (abs_y - x);
angle = FAST_ATAN2_COEF2 - FAST_ATAN2_COEF1 * r;
}