48 lines
1.2 KiB
Python
48 lines
1.2 KiB
Python
from abc import abstractmethod
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from ..IRadiant import IRadiant
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from ..SpectralQty import SpectralQty
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import astropy.units as u
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import numpy as np
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class ATarget(IRadiant):
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"""
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Abstract super class for target models
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"""
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@abstractmethod
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@u.quantity_input(wl_bins="length")
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def __init__(self, sfd: SpectralQty, wl_bins: u.Quantity):
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"""
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Initialize a new target
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Parameters
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----------
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sfd: SpectralQty
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The spectral flux density of the target
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"""
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self.__sfd = sfd
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self.__wl_bins = wl_bins
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def calcNoise(self) -> SpectralQty:
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"""
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Calculate the spectral radiance of the target's noise
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Returns
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-------
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noise : SpectralQty
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The spectral radiance of the target's noise
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"""
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return SpectralQty(self.__wl_bins, np.repeat(0, len(self.__wl_bins)) << u.W / (u.m**2 * u.nm * u.sr))
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def calcSignal(self) -> SpectralQty:
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"""
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Calculate the spectral flux density of the target's signal
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Returns
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-------
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signal : SpectralQty
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The spectral flux density of the target's signal
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"""
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return self.__sfd
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