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37 lines
924 B
Python
37 lines
924 B
Python
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import numpy as np
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from . import sampling as smp
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from .sampler import Sampler
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class Digitizer(Sampler):
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"""
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Digitizer that takes in a signal and resamples and quantises the signal.
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"""
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def __init__(self, resolution=0.1, sampling_frequency=None):
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"""
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Parameters
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##########
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resolution - float
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Resolution of the digitizer
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sampling_frequency - float
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Frequency this digitizer will sample a signal
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"""
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super().__init__(sampling_frequency)
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self.resolution = resolution
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def digitise(self, signal, signal_sample_frequency=None):
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"""
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Digitize signal according to the specs of this digitizer.
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Effectively resamples signal
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"""
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signal = np.asarray(signal)
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return smp.quantise(
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self.sample(signal, signal_sample_frequency),
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self.resolution
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)
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