Reduction of Side Lobe Patterns in a Phased- Array Antennas
Publish place: Third National Conference and First International Conference on Applied Research in Electrical, Mechanical and Mechatronics Engineering
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ELEMECHCONF03_0359
تاریخ نمایه سازی: 9 مرداد 1395
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 is varied such that the radiation pattern is reinforced in a desired direction and suppressed in undesired directions.
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Authors
Milad Daneshvar
Department of Telecommunication Engineering, Shiraz Branch, Islamic Azad University, Shiraz, Iran
Nasser Parhizgar
Department of Telecommunication Engineering, Shiraz Branch,Islamic Azad University, Shiraz, Iran
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