Como remover offset DC de sinais em Python usando UliEngineering
Você pode remover facilmente o offset DC (valor médio) de um sinal usando a biblioteca Python UliEngineering:
remove_mean.py
import numpy as np
from UliEngineering.SignalProcessing.Utils import *
# Criar um sinal com offset DC
signal = np.array([1.0, 2.0, 3.0, 4.0, 5.0]) + 10.0
# Remover o offset DC
signal_centered = remove_mean(signal)
print(f"Original signal mean: {np.mean(signal)}")
print(f"Centered signal mean: {np.mean(signal_centered)}")
print(f"Centered signal: {signal_centered}")Exemplo de saída
remove_mean_output.txt
Original signal mean: 12.0
Centered signal mean: 0.0
Centered signal: [-2. -1. 0. 1. 2.]A função remove_mean() subtrai a média aritmética do sinal, efetivamente centralizando-o em torno de zero.
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Signal Processing, Python
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