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