Comms – ephemerista.comms

Communication systems modeling for RF links between spacecraft and ground stations.

See also

For user tutorials on communication systems, see the Python API section on Link Budgets.

Communication Components

• Antennas - ephemerista.comms.antennas - Antenna patterns and gain models

• Transmitters - ephemerista.comms.transmitter - Transmitter power and modulation

• Receivers - ephemerista.comms.receiver - Receiver noise and sensitivity

• Channels - ephemerista.comms.channels - Communication channel definitions

• Communication Systems - ephemerista.comms.systems - Integrated communication systems

• Utilities - ephemerista.comms.utils - RF calculation utilities

• Antennas - ephemerista.comms.antennas
  • Antenna
    • Antenna.boresight_vector
    • Antenna.design_frequency
    • Antenna.beamwidth()
    • Antenna.gain()
    • Antenna.viz_cone_3d()
    • Antenna.boresight_array
  • ComplexAntenna
    • ComplexAntenna.antenna_type
    • ComplexAntenna.pattern
    • ComplexAntenna.beamwidth()
    • ComplexAntenna.gain()
    • ComplexAntenna.peak_gain()
    • ComplexAntenna.plot_contour_2d()
    • ComplexAntenna.plot_pattern()
    • ComplexAntenna.to_geo_df()
  • DIV_BY_ZERO_LIMIT
  • DipolePattern
    • DipolePattern.length
    • DipolePattern.pattern_type
    • DipolePattern.beamwidth()
    • DipolePattern.directivity()
    • DipolePattern.gain()
    • DipolePattern.gain_pattern()
    • DipolePattern.peak_gain()
  • GaussianPattern
    • GaussianPattern.diameter
    • GaussianPattern.efficiency
    • GaussianPattern.pattern_type
    • GaussianPattern.beamwidth()
    • GaussianPattern.gain()
    • GaussianPattern.peak_gain()
  • MSIPattern
    • MSIPattern.content
    • MSIPattern.filename
    • MSIPattern.pattern_type
    • MSIPattern.read_file()
    • MSIPattern.beamwidth()
    • MSIPattern.gain()
    • MSIPattern.frequency
  • MSIPatternData
    • MSIPatternData.comment
    • MSIPatternData.frequency
    • MSIPatternData.front_to_back
    • MSIPatternData.gain_unit
    • MSIPatternData.h_width
    • MSIPatternData.horizontal
    • MSIPatternData.make
    • MSIPatternData.name
    • MSIPatternData.peak_gain
    • MSIPatternData.tilt
    • MSIPatternData.v_width
    • MSIPatternData.vertical
  • PATTERN_DISCRIMINATOR
  • ParabolicPattern
    • ParabolicPattern.diameter
    • ParabolicPattern.efficiency
    • ParabolicPattern.pattern_type
    • ParabolicPattern.from_beamwidth()
    • ParabolicPattern.beamwidth()
    • ParabolicPattern.gain()
    • ParabolicPattern.peak_gain()
    • ParabolicPattern.area
  • Pattern
    • Pattern.beamwidth()
    • Pattern.gain()
  • SimpleAntenna
    • SimpleAntenna.antenna_type
    • SimpleAntenna.beamwidth_deg
    • SimpleAntenna.gain_db
    • SimpleAntenna.beamwidth()
    • SimpleAntenna.gain()
  • UndefinedBeamwidthError
• Channels - ephemerista.comms.channels
  • Channel
    • Channel.channel_id
    • Channel.data_rate
    • Channel.forward_error_correction
    • Channel.link_type
    • Channel.margin
    • Channel.modulation
    • Channel.name
    • Channel.required_eb_n0
    • Channel.roll_off
    • Channel.bit_energy_to_noise_density()
    • Channel.bit_energy_to_noise_interference_density()
    • Channel.bits_per_symbol()
    • Channel.bandwidth
• Receivers - ephemerista.comms.receiver
  • ComplexReceiver
    • ComplexReceiver.antenna_noise_temperature
    • ComplexReceiver.demodulator_loss
    • ComplexReceiver.implementation_loss
    • ComplexReceiver.lna_gain
    • ComplexReceiver.lna_noise_figure
    • ComplexReceiver.loss
    • ComplexReceiver.noise_figure
    • ComplexReceiver.receiver_type
    • ComplexReceiver.gain_to_noise_temperature()
    • ComplexReceiver.total_gain()
    • ComplexReceiver.noise_temperature
    • ComplexReceiver.system_noise_temperature
  • Receiver
    • Receiver.frequency
    • Receiver.gain_to_noise_temperature()
    • Receiver.total_gain()
  • SimpleReceiver
    • SimpleReceiver.receiver_type
    • SimpleReceiver.system_noise_temperature
    • SimpleReceiver.gain_to_noise_temperature()
    • SimpleReceiver.total_gain()
• Communication Systems - ephemerista.comms.systems
  • CommunicationSystem
    • CommunicationSystem.antenna
    • CommunicationSystem.channels
    • CommunicationSystem.receiver
    • CommunicationSystem.system_id
    • CommunicationSystem.transmitter
    • CommunicationSystem.carrier_power()
    • CommunicationSystem.carrier_to_noise_density()
    • CommunicationSystem.carrier_to_noise_interference_density()
    • CommunicationSystem.noise_power()
• Transmitters - ephemerista.comms.transmitter
  • Transmitter
    • Transmitter.frequency
    • Transmitter.line_loss
    • Transmitter.output_back_off
    • Transmitter.power
    • Transmitter.equivalent_isotropic_radiated_power()
• Utilities - ephemerista.comms.utils
  • BOLTZMANN_CONSTANT
  • ROOM_TEMPERATURE
  • free_space_path_loss()
  • from_db()
  • to_db()
  • wavelength()