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@ -1,4 +1,5 @@
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import os
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import math
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import numpy as np
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from typing import Union
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from common.runtime import load_root_env
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@ -46,15 +47,36 @@ class Signal:
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:return: Число типа float - "характеристика сигнала".
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"""
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signal = np.array([self.signal.real[0:length], self.signal.imag[0:length]], dtype=np.float32)
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signal_abs = np.linalg.norm(signal, axis=0) # Поэлементный модуль комплексного числа. shape.result
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# (1, self.length)
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samples = np.asarray(self.signal).ravel()[0:length]
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if samples.size == 0:
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return 0.0
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# Основной режим: считаем dBFS из IQ-вектора.
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if np.iscomplexobj(samples):
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i = samples.real.astype(np.float32, copy=False)
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q = samples.imag.astype(np.float32, copy=False)
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signal = np.array([i, q], dtype=np.float32)
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signal_abs = np.sqrt(i * i + q * q).astype(np.float32, copy=False)
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if self.conv_method == 'max':
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power = float(np.max(signal_abs * signal_abs))
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else:
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power = float(np.mean(signal_abs * signal_abs))
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result = 10.0 * math.log10(max(power, 1e-20))
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self.signal = signal
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self.signal_abs = signal_abs
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return result
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# Fallback: если на вход уже подали скалярную метрику, агрегируем как есть.
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scalar_samples = samples.astype(np.float32, copy=False)
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if self.conv_method == 'max':
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result = np.max(signal_abs)
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result = float(np.max(scalar_samples))
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else:
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result = np.median(signal_abs)
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self.signal = signal
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self.signal_abs = signal_abs
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result = float(np.median(scalar_samples))
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self.signal = scalar_samples
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self.signal_abs = np.abs(scalar_samples)
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return result
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def fill_signal(self, lvl, length) -> Union[int, float]:
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@ -70,7 +92,6 @@ class Signal:
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return 0
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else:
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preproc_signal = self.signal_preprocessing(length)
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#self.clear()
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return preproc_signal
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@ -81,6 +102,7 @@ class SignalsArray:
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sig_array: Список для сохранения медиан.
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counter: Индикатор наполненности массива.
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"""
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def __init__(self):
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self.sig_array = []
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self.counter = 0
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