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首页> 外文会议>Applied Electromagnetics Conference (AEMC), 2011 IEEE >Design and characterization of polarizing grid as sub-reflector in folded reflectarray antennas
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Design and characterization of polarizing grid as sub-reflector in folded reflectarray antennas

机译：折叠反射阵列天线中作为副反射器的偏振栅的设计与表征

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摘要

Polarizing grids are used as sub-reflectors in folded reflectarray antennas, which transmit orthogonal polarization and reflect, parallel polarization. Complete design and characterization of polarizing grid for use with reflectarray antenna is presented. The concept of polarizing grid is tested with a prototype polarizing grid, which is characterized using a waveguide simulator at X-band and later polarizing grid of dimensions 171mm × 171mm is designed and characterized using transmission and reflection method using two horn antennas as transmitting and receiving antennas. The measured polarizing grid shows a transmission loss of below −25dB when E-field vector of transmitting horn is parallel to metal lines in polarizing grid and a transmission loss of almost 0dB, when E-field vector of transmitting horn is orthogonal to metal lines in polarizing grid.
机译：极化栅格用作折叠式反射阵列天线中的子反射器，可发射正交极化并反射平行极化。介绍了用于反射阵列天线的偏振栅格的完整设计和特性。极化栅网的概念用原型极化栅网进行了测试，该极化栅网是使用X波段的波导模拟器进行表征的，后来设计并使用两个喇叭天线作为发射和接收的传输和反射方法来设计和表征尺寸为171mm×171mm的极化栅网。天线。当发射喇叭的电场矢量平行于极化线中的金属线时，测得的偏振栅格显示出低于-25dB的传输损耗，而当发射喇叭的电场矢量正交于其中的金属线时，透射损耗几乎为0dB。偏光栅。

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