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During the design and customization of spatially restricted military platforms, a delicate balance must be struck between maintaining operational specifications and ensuring that RF and microwave systems adhere to electromagnetic (EM) radiation level restrictions. In many instances, sensitive communication systems and armaments must function reliably beside high-power radar and electronic warfare (EW) antennas, while maintaining strict safety standards regarding personnel, equipment, fuel, etc. At RF frequencies, these platforms are typically electrically large (dimensions in the order of hundreds of wavelengths) and represent very large and complex electromagnetic systems.

This article will explain the difficulties posed by RF radiation hazard assessment and antenna placement analysis on electrically large platforms. It will also explore the concepts on which numerical electromagnetic analysis techniques are based, as well as some of the specific techniques and methods most applicable to antenna placement and RF radiation hazard analysis. In addition, it will demonstrate the capabilities of some computational analysis techniques by application to realistic problems.

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•Technical Article: RF Radiation Hazard And Antenna Placement Analysis On Electrically Large Military Platforms