Abbas Pirhadi

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In this paper, a new antenna is designed in order to use in the wireless capsule endoscopy (WCE) system. This antenna consists of two parts; the small monopole part and the small spiral. Having the omnidirectional radiation pattern for covering the stochastic motions of the capsule into gastrointestinal and also, appropriate gain and wide bandwidth to(More)
A non-uniform high impedance surface (NU-HIS or tapered HIS) is proposed against a uniform HIS (U-HIS). The surfaces are one dimensional (1D) and made of parallel wires with a length a little less than half wavelength. To show the effects of the surfaces, a half wavelength dipole antenna is placed near three different surfaces, PEC, U-HIS, NU-HIS while the(More)
In this paper, we propose novel omnidirectional UWB printed monopole antenna for inbody microwave imaging applications. The proposed antenna consists of a square radiating patch, a microstrip feed line and a ground plane with two resonant elements, a pair of rotated T-shaped slots and another T-shaped slot placed in the middle of the pair slots. The(More)
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