ChTheo/RFG_stm32_ADC_receiver_GUI
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fix

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This commit is contained in:
awe
2026-06-09 16:28:54 +03:00
parent 0032a74d0b
commit 16fa20c8ee
1 changed files with 7 additions and 7 deletions
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14
rfg_vna_viewer.py
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@ -202,9 +202,13 @@ def process_main(main_ch1, main_ch2, ref_amplitude, ref_phase_aligned):
z_main = ch1_v + 1j * ch2_v
main_amp = np.abs(z_main)
z_ref = ref_amplitude * np.exp(1j * ref_phase_aligned)
z_ref_safe = np.where(np.abs(z_ref) > 1e-12, z_ref, 1e-12 + 0j)
z_norm = z_main / z_ref_safe
# Normalize ch1/ch2 individually by ref amplitude
ref_amp_safe = np.where(ref_amplitude > 1e-12, ref_amplitude, 1e-12)
norm_ch1 = ch1_v / ref_amp_safe
norm_ch2 = ch2_v / ref_amp_safe
# Build normalized complex signal and subtract ref phase
z_norm = (norm_ch1 + 1j * norm_ch2) * np.exp(-1j * ref_phase_aligned)
amp_norm = np.abs(z_norm)
phase_norm = np.unwrap(np.angle(z_norm))
@ -219,10 +223,6 @@ def process_main(main_ch1, main_ch2, ref_amplitude, ref_phase_aligned):
dist_step = C_M_S / (2.0 * FFT_LEN * df_hz)
fft_dist = np.arange(FFT_LEN // 2) * dist_step
# Normalized ch1/ch2 (real/imag parts of z_norm)
norm_ch1 = np.real(z_norm)
norm_ch2 = np.imag(z_norm)
return main_amp, ref_amplitude, norm_ch1, norm_ch2, amp_norm, phase_norm, fft_mag, fft_dist