kopia lustrzana https://github.com/projecthorus/radiosonde_auto_rx
Update to latest dft_detect (with floating point bug fixes).
rodzic
820b0a6ffd
commit
2137901f21
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@ -98,7 +98,7 @@ processing_type = {
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# Decimate to a 24 kHz bandwidth, demodulator, then interpolate back up to 48 kHz.
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'demod' : "| csdr fir_decimate_cc 4 0.005 HAMMING 2>/dev/null | csdr fmdemod_quadri_cf | csdr limit_ff | csdr rational_resampler_ff 2 1 0.005 HAMMING | csdr convert_f_s16 | sox -t raw -r 48k -e signed-integer -b 16 -c 1 - -r 48000 -t wav - highpass 20 2>/dev/null| ",
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# Decode using rs41ecc
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'decode': "../dft_detect3 2>/dev/null",
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'decode': "../dft_detect 2>/dev/null",
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# Grep out the line containing the detected sonde type.
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"post_process" : " | grep \:"
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},
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@ -547,8 +547,8 @@ static int init_buffers() {
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M -= 1;
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N_DFT <<= 1;
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#endif
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LOG2N = log(N_DFT)/log(2);
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//while ((1 << LOG2N) < N_DFT) LOGN++;
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LOG2N = log(N_DFT)/log(2)+0.1; // 32bit cpu ... intermediate floating-point precision
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//while ((1 << LOG2N) < N_DFT) LOG2N++; // better N_DFT = (1 << LOG2N) ...
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K = M-NN - delay; // N+K < M
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