Optimization and improvement of a periodically Phased- Arrays For Wideband Applications
Publish place: 16th Iran"s Electrical Engineering Student Conference
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISCEE16_183
تاریخ نمایه سازی: 21 تیر 1393
Abstract:
Over the years, phased array antennas have provided electronic scanning with high gain and low side lobe levels for many radar and satellite applications. A periodic arrays use variable spacing between antenna elements and generally require fewer elements than periodically spaced arrays to achieve similar far field pattern performance. This reduction in elements allows the array to be built at much lower cost than traditional phased arrays. Phased array antennas were designed to allow the antenna to electronically scan its main beam rather than mechanically scan. These arrays are groups of small antennas known as elements in which the relative phase between elements are varied such that the radiation pattern is reinforced in a desired direction and suppressed in undesired directions.
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Authors
Milad Daneshvar
Electronics Components Industries Company-SAIRANShiraz-Iran
Malihe Hosseini
Electronics Components Industries Company-SAIRAN Shiraz-Iran
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