How to set the airbox size when using HFSS to simulate broadband RCS reduction?

23 October 2019 1 7K Report

RCS reduction band from 7 to 16 GHz，Firstly，I set the frequency band from 7 to 10 GHz，The airbox is 4/lambda from the model surface and lambda corresponds to 8.5GHz wavelength，but when I set frequency sweepfrom 7 to 9 GHz， lambda corresponds to 8GHz wavelength， I found the result of RCS changes with size of radiation box and solution frequency. kindly help me with this. Thanks a lot！

Nitin Kumar

In my opinion for broadband solutions it should be set as per the highest frequency.

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