Python simple signal generator

signalGeneration.py

import numpy as np

samplingFrequency = 3000
referenceFrequency = 166
time = 2

harmonic_coefficients = [
    #harmoic, amplitude
    (0.5,   0.6),
    (1,         1),
    (1.5,   0.5),
    (2,     3),
    (2.5,   0.4),
    (3,     0.8),
    (4,     0.8),
    (5,     0.8),
    (6,     0.8)
]

samples = np.arange(time * samplingFrequency) / samplingFrequency

signal = sum([amplitude*np.sin(2 * np.pi * referenceFrequency * harmonic * samples)
              for harmonic, amplitude in harmonic_coefficients])


with open("signal", "w") as file:
    file.write(';'.join([str(i) for i in signal.reshape(-1)]))