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29 lines
656 B
Python
29 lines
656 B
Python
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import numpy as np
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from . import sampling as smp
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class Sampler():
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"""
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A mechanism to sample signals.
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"""
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def __init__(self, sampling_frequency=None):
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"""
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Parameters
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##########
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sampling_frequency - float
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Frequency the signals will be sampled at
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"""
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self.sampling_frequency = sampling_frequency
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def sample(self, signal, signal_fs=None):
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"""
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Sample signal
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"""
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# Null operation
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if signal_fs is None or self.sampling_frequency is None:
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return signal
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return smp.resample(signal, signal_fs, self.sampling_frequency)
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