41 lines
996 B
Python
41 lines
996 B
Python
# domain.py
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# Eryn Wells <eryn@erynwells.me>
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'''
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Some utilities for dealing with signal domains: time, frequency, etc.
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'''
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import numpy as np
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__default_time = 2.0
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__default_steps = 200
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class Time:
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__DefaultTime = 2.0
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__DefaultSteps = 200
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def __init__(self, sec=__DefaultTime, samples=__DefaultSteps):
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self.sec = sec
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self.samples = samples
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self._domain = None
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@property
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def domain(self):
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if self._domain == None:
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self._domain = np.linspace(0, self.sec, num=self.samples + 1)
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return self._domain
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@property
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def rate(self):
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'''Number of samples per second.'''
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return self.samples / self.sec
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@property
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def interval(self):
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'''Amount of time between samples, in seconds.'''
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return self.sec / self.samples
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def __str__(self):
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return repr(self)
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def __repr__(self):
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return '{}(sec={}, samples={})'.format(self.__class__.__name__, self.sec, self.samples)
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