How to use an imported antenna farfield as a source

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Andrea Michel
Andrea Michel 2023-4-14
回答： Raghunathraju 2023-4-24
Dear Antenna Toolbox community,
I'm looking for any good tutorial or suggestion on how to import an antenna farfield (e.g. a GRASP file) and then use it as a source for a em simulation. For an example, I'd like to import the farfield of a custom horn antenna (designed and simulated with a different EM solver, not Antenna toolbox) and use it to illuminate a parabolic reflector or reflectarray (created with Antenna toolbox commands).
Where could I find a good, clear and detailed tutorial to do that? So far, I've not been able to find it.
Thank you very much,
Andrea

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回答（1 个）

Raghunathraju
Raghunathraju 2023-4-24
Ran in:
Hi,
As per my understanding, you want to know how to use imported data and use it as a source in Antenna toolbox.
You can use measuredAntenna to import your data.
For example,
ms=measuredAntenna
ms =
measuredAntenna with properties: E: [0.1000 0.1000 0.1000] Direction: [0 90 100] PhaseCenter: [0 0 0.0750]
ant=reflectorParabolic('Exciter',ms)
ant =
reflectorParabolic with properties: Exciter: [1×1 measuredAntenna] Radius: 0.1500 FocalLength: 0.0750 FeedOffset: [0 0 0] Tilt: 0 TiltAxis: [1 0 0] Load: [1×1 lumpedElement] SolverType: 'PO'
For more information refer measuredAntenna

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