2020-04-21 10:39:55 +02:00
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from ..IRadiant import IRadiant
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import astropy.units as u
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from abc import abstractmethod
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2020-04-21 14:46:40 +02:00
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class ASensor:
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2020-04-21 10:39:55 +02:00
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"""
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Abstract super class for sensor models
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"""
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def __init__(self, parent: IRadiant):
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"""
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Initialize a new sensor
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Parameters
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----------
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parent : IRadiant
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The parent element of the optical component from which the electromagnetic radiation is received
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"""
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self._parent = parent
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@abstractmethod
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@u.quantity_input(exp_time="time")
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def getSNR(self, exp_time: u.Quantity):
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"""
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Calculate the signal to noise ratio (SNR) for the given exposure time.
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Parameters
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----------
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exp_time : time-Quantity
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The exposure time to calculate the SNR for.
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Returns
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-------
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snr : float
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The calculated SNR
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"""
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pass
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@abstractmethod
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def getExpTime(self, snr: float):
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"""
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Calculate the necessary exposure time in order to achieve the given SNR.
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Parameters
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----------
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snr : float
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The SNR for which the necessary exposure time shall be calculated.
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Returns
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-------
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exp_time : Quantity
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The necessary exposure time in seconds.
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"""
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pass
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