78 lines
2.2 KiB
Python
78 lines
2.2 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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from ...lib.logger import logger
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from typing import Tuple
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from ..Entry import Entry
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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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wl_bins : length-Quantity
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The bins to be used for evaluating spectral quantities.
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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 calcBackground(self) -> SpectralQty:
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"""
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Calculate the spectral radiance of the target's background
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Returns
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-------
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background : SpectralQty
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The spectral radiance of the target's background
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"""
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logger.info("Calculating background for class '" + self.__class__.__name__ + "'.")
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background = SpectralQty(self.__wl_bins, np.repeat(0, len(self.__wl_bins)) << u.W / (u.m**2 * u.nm * u.sr))
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logger.debug(background)
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return background
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def calcSignal(self) -> Tuple[SpectralQty, float]:
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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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obstruction : float
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The obstruction factor as A_ob / A_ap.
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"""
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logger.info("Calculating signal for class '" + self.__class__.__name__ + "'.")
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logger.debug(self.__sfd)
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return self.__sfd, 0.0
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@staticmethod
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@abstractmethod
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def check_config(conf: Entry) -> bool:
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"""
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Check the configuration for this class
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Parameters
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----------
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conf : Entry
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The configuration entry to be checked.
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Returns
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-------
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mes : Union[None, str]
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The error message of the check. This will be None if the check was successful.
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"""
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pass
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