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FT8 demod: Sonar fixes (2)

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f4exb
2026-03-14 03:46:48 +01:00
parent b09e8df343
commit d0ad1ae413
4 changed files with 75 additions and 75 deletions
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ft8/ft4.cpp
+10 -10
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@@ -1071,7 +1071,7 @@ std::vector<float> FT4::fft_shift_f(
return out;
}
// shift the frequency by a fraction of 20.833,
// shift the frequency by a fraction of 23.4,
// to center hz on bin 2 (46.8 hz).
std::vector<float> FT4::shift200(
const std::vector<float> &samples200,
@@ -1532,7 +1532,7 @@ std::vector<std::vector<float>> FT4::soft_c2m(const FFTEngine::ffts_t &c103) con
//
// c103 is 103x4 complex tones, before un-gray-coding.
//
void FT4::soft_decode(const FFTEngine::ffts_t &c103, float ll174[])
void FT4::soft_decode(const FFTEngine::ffts_t &c103, float ll174[]) const
{
std::vector<std::vector<float>> m103(103);
// m103 = absolute values of c103.
@@ -1629,7 +1629,7 @@ void FT4::soft_decode(const FFTEngine::ffts_t &c103, float ll174[])
//
// c103 is 103x4 complex tones, before un-gray-coding.
//
void FT4::c_soft_decode(const FFTEngine::ffts_t &c103x, float ll174[])
void FT4::c_soft_decode(const FFTEngine::ffts_t &c103x, float ll174[]) const
{
FFTEngine::ffts_t c103 = c_convert_to_snr(c103x);
std::vector<std::complex<float>> maxes(103);
@@ -1857,7 +1857,7 @@ std::vector<float> FT4::extract_bits(const std::vector<int> &syms, const std::ve
void FT4::soft_decode_pairs(
const FFTEngine::ffts_t &m103x,
float ll174[]
)
) const
{
FFTEngine::ffts_t m103 = c_convert_to_snr(m103x);
@@ -1910,7 +1910,7 @@ void FT4::soft_decode_pairs(
{
int bitind = (si + 0) * 2 + (1 - bit);
if ((i & (1 << bit)))
if (i & (1 << bit))
{
// symbol i would make this bit a one.
if (x > bitinfo[bitind].one) {
@@ -1935,7 +1935,7 @@ void FT4::soft_decode_pairs(
{
int bitind = (si + 1) * 2 + (1 - bit);
if ((i & (1 << bit)))
if (i & (1 << bit))
{
// symbol i would make this bit a one.
if (x > bitinfo[bitind].one) {
@@ -1987,7 +1987,7 @@ void FT4::soft_decode_pairs(
void FT4::soft_decode_triples(
const FFTEngine::ffts_t &m103x,
float ll174[]
)
) const
{
FFTEngine::ffts_t m103 = c_convert_to_snr(m103x);
@@ -3234,7 +3234,7 @@ void FT4::subtract(
//
int FT4::try_decode(
const std::vector<float> &samples200,
float ll174[174],
const float ll174[174],
float best_hz,
int best_off_samples,
float hz0_for_cb,
@@ -3432,8 +3432,8 @@ void FT4Decoder::entry(
int rate,
float min_hz,
float max_hz,
int hints1[],
int hints2[],
const int hints1[],
const int hints2[],
double time_left,
double total_time_left,
CallbackInterface *cb,