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Create communication_system_simulator.py
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import numpy as np | ||
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class CommunicationSystemsSimulator: | ||
def __init__(self, spacecraft, groundStation): | ||
self.spacecraft = spacecraft | ||
self.groundStation = groundStation | ||
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def simulateCommunication(self): | ||
# Calculate signal strength | ||
signalStrength = self.calculateSignalStrength() | ||
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# Calculate data rate | ||
dataRate = self.calculateDataRate() | ||
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# Update spacecraft and ground station communication status | ||
self.spacecraft.updateCommunicationStatus(signalStrength, dataRate) | ||
self.groundStation.updateCommunicationStatus(signalStrength, dataRate) | ||
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def calculateSignalStrength(self): | ||
# Calculate signal strength using free space path loss equation | ||
frequency = self.spacecraft.getFrequency() | ||
distance = self.spacecraft.getDistanceToGroundStation() | ||
transmitterPower = self.spacecraft.getTransmitterPower() | ||
antennaGain = self.spacecraft.getAntennaGain() | ||
wavelength = self.spacecraft.getWavelength() | ||
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signalStrength = transmitterPower * antennaGain * wavelength**2 / ((4 * np.pi * distance)**2) | ||
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return signalStrength | ||
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def calculateDataRate(self): | ||
# Calculate data rate using Shannon-Hartley theorem | ||
bandwidth = self.spacecraft.getBandwidth() | ||
signalToNoiseRatio = self.spacecraft.getSignalToNoiseRatio() | ||
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dataRate = bandwidth * np.log2(1 + signalToNoiseRatio) | ||
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return dataRate | ||
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class Spacecraft: | ||
def __init__(self, frequency, distanceToGroundStation, transmitterPower, antennaGain, wavelength, bandwidth, signalToNoiseRatio): | ||
self.frequency = frequency | ||
self.distanceToGroundStation = distanceToGroundStation | ||
self.transmitterPower = transmitterPower | ||
self.antennaGain = antennaGain | ||
self.wavelength = wavelength | ||
self.bandwidth = bandwidth | ||
self.signalToNoiseRatio = signalToNoiseRatio | ||
self.communicationStatus = {"signalStrength": 0, "dataRate": 0} | ||
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def getFrequency(self): | ||
return self.frequency | ||
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def getDistanceToGroundStation(self): | ||
return self.distanceToGroundStation | ||
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def getTransmitterPower(self): | ||
return self.transmitterPower | ||
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def getAntennaGain(self): | ||
return self.antennaGain | ||
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def getWavelength(self): | ||
return self.wavelength | ||
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def getBandwidth(self): | ||
return self.bandwidth | ||
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def getSignalToNoiseRatio(self): | ||
return self.signalToNoiseRatio | ||
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def updateCommunicationStatus(self, signalStrength, dataRate): | ||
self.communicationStatus["signalStrength"] = signalStrength | ||
self.communicationStatus["dataRate"] = dataRate | ||
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class GroundStation: | ||
def __init__(self): | ||
self.communicationStatus = {"signalStrength": 0, "dataRate": 0} | ||
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def updateCommunicationStatus(self, signalStrength, dataRate): | ||
self.communicationStatus["signalStrength"] = signalStrength | ||
self.communicationStatus["dataRate"] = dataRate |