Title :
Exposure assessment of a distributed antenna system
Author :
Darwish, Ola H. ; Dawson, Linda ; Flintoft, Ian D. ; Marvin, Andrew C.
Author_Institution :
Dept. of Phys., Univ. of Ain Shams, Cairo, Egypt
Abstract :
In this paper we present an exposure assessment for a low profile distributed antenna fitted within an archway for a walk-through counter surveillance application. A numerical electromagnetic model, based on the method-of-moments, is used to develop a simple distributed structure antenna with optimum return loss factor in the frequency band of interest. An exposure assessment is then made using the FDTD method to determine the full-body and local specific absorption rate. The results are validated indirectly using measurements on representative systems.
Keywords :
antennas; dosimetry; finite difference time-domain analysis; method of moments; surveillance; FDTD method; distributed antenna system; full-body absorption rate; local specific absorption rate; method-of-moments; numerical electromagnetic model; optimum return loss factor; walk-through counter surveillance application; Antenna measurements; Area measurement; Broadband antennas; Costs; Detectors; Narrowband; Physics; Power measurement; Radio frequency; Signal generators; distributed antenna; dosimetry;
Conference_Titel :
Electromagnetic Compatibility, 2009. EMC 2009. IEEE International Symposium on
Conference_Location :
Austin, TX
Print_ISBN :
978-1-4244-4266-9
Electronic_ISBN :
978-1-4244-4058-0
DOI :
10.1109/ISEMC.2009.5284590
