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سومین سمپوزیوم مخابرات بی سیم نوری و موج میلیمتری غرب آسیا
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Synthesis of Nano-Antennas for desired Far-Field Radiation Patterns Using Vector Spherical Wave Functions |
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| چکیده انگلیسی مقاله |
a method is proposed to synthesize a set of dielectric nano-spheres in order to scatter the incident plane-wave in an arbitrary pattern. Two known pencil-beam and end-fire radiation patterns are considered as desired patterns. Also, a radiation pattern suitable for solar cell applications is synthesized. The permittivity and electrical size of spheres are chosen to be similar for all spheres. An incident plane-wave is illuminated on spheres. Multiple scattering is occurred between spheres. Finally, total scattering is calculated using boundary conditions. All calculations are based on expansion of all electromagnetic waves into vector spherical wave functions. As the method of analyzing the scattering of small dielectric spheres is proposed, particle swarm optimization tool is implemented to optimally find the positions of spheres. The optimization tool is applied to have approximately desired scattering pattern. It is shown that increasing number of iterations of optimization tool, increases the accuracy of scattering pattern of spheres. |
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| کلیدواژه‌های انگلیسی مقاله |
Nano-antenna، end-fire، pencil-beam، solar cell، multiple scattering، vector spherical wave functions، particle swarm |
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| نویسندگان مقاله |
seyed sina vaezi - Electrical and Computer Enginieering Department, Tabriz University
Saeid Nikmehr - Electrical and Computer Enginieering Department, Tabriz University
Ali Pourziad - Electrical and Computer Enginieering Department, Tabriz University
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| نشانی اینترنتی |
http://wasowc2020.modares.ac.ir/browse.php?a_code=A-10-35-1&slc_lang=en&sid=1 |
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| زبان مقاله منتشر شده |
en |
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