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Antenna Pointing Loss Blocks 1.1

  Date Added: July 03, 2013  |  Visits: 237

Antenna Pointing Loss Blocks

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Communication signals can be attenuated at the receive antenna if there is a misalignment between the transmit and receive antenna. This can be either a static misalignment or a time varying misalignment, like when an antenna is mounted on a tower that sways in the wind.Communications signals can also be totally blocked by obstructions passing in front of an antenna. An example would be an antenna mounted in a buoy out at sea that occasionally has a wave wash over it.Both these conditions cause a loss in overall communications performance. The models in this submission show how to simulate these effects of antenna misalignment and obstruction in a Simulink communications system simulation.1- XModel6. This model is a comms simulation with perfect antenna pointing.2- XModel6Gauss. This model shows how to simulate a static misalignment between a transmit and receive antenna. The antenna pattern used in this example is a Gaussian approximation.3- XModel6Sinc. This model shows how to simulate a dynamic pointing loss. In this case the misalignment is simulated with a sinusoidal function. The antenna pattern used in this example is for a square feed horn, which has a sinc rolloff characteristic.4- XModel6SincBlocked. This model shows how to simulate a receive antenna that is misaligned and periodically obstructed. The obstruction is modeled with a low duty cycle square wave. The antenna pattern used in this example is for a square feed horn, which has a sinc rolloff characteristic.

Requirements: No special requirements
Platforms: Matlab
Keyword: Antenna Communications Dynamic Misalignment Model Mounted Obstruction Pattern Receive Rolloff Shows Signals Simulate Square Static Transmit
Users rating: 0/10

License: Freeware Size: 256 KB
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