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This study investigates the measurement of current on a wire located inside a cavity with an aperture as a function of excitation frequency with the use of a simple S parameter model. Validation is provided by comparing simulations and measurements. Using this approach, it will be possible to make an accurate prediction of the current distribution on the wire, and thereby to describe potential interference...
Two recently introduced methods for selecting the Ewald splitting parameter used in the evaluation of the rectangular cavity Greens's function have been tested for electro-magnetically large, lossy cavities. The input impedance of dipole radiators placed in large, lossy cavities were found using the cavity Green's function moment method. Cavities with dimensions up to 132 wavelengths have been modeled...
An antenna has been designed for use with a UHF band (902–928 MHz) RFID tag for implantation in live human brain tissue as the front end for a smart RFID. The COMSOL computational electromagnetic package was used for the design process. The COMSOL model was validated against the measurement of several test antennas when radiating into a bulk homogenous medium simulating human tissue. The proposed...
The results show that first-order LL linear basis functions may be successfully used to discretize the impedance boundary CFIE using an approach derived from that developed by Collino et al. The LL expansion yields lower errors in the calculated bistatic radar cross-section than that given by zero-order RWG basis functions with the same surface discretization mesh in all cases examined. However, LL...
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