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The effect of imperfections in terms of surface roughness which could lead to the introduction of air gaps between the dielectric resonator (DR) and the contacting conducting surfaces is investigated. Results of studies which illustrate the effect of air gaps upon the input impedance and resonant frequency of cylindrical dielectric resonator antennas (CDRAs) operating in the TM01 and HEM11 modes are...
Antenna effects on a monostatic multiple-input-multiple-output (MIMO) Radar for direction estimation are studied by analyzing the Cramèr-Rao lower bound (CRLB). The CRLB is derived for a multi-band MIMO Radar system, and is in a form that incorporates the characteristics of a practical antenna array. Two different uniform linear antenna arrays, one narrowband and the another wideband, are investigated...
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