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Photonic dual RF beam reception of an X band phased array antenna using a photonic crystal fiber-based true-time-delay beamformer

机译:X波段相控阵天线的光子双RF波束接收,使用基于光子晶体光纤的真实时间延迟波束形成器

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摘要

We report dual RF beam reception of an X band phased array antenna using a photonic crystal fiber (PCF)-based delay network. Each incoming RF signal can be independently received, and the angle of arrival can be determined based on the delay time-dependent wavelength. Two RF signals with frequencies 8.4 and 12 GHz impinge upon anX-band antenna array from -7.4 deg and -21.2 deg. These signals are detected, and the angle of arrival is determined with a very good degree of accuracy using PCF-based true-time delay. The total number of RF beams that can be simultaneously detected is limited by the hardware availability and the bandwidth of the wavelength differentiation capability of the system.
机译:我们报告使用基于光子晶体光纤(PCF)的延迟网络的X波段相控阵天线的双射频波束接收。每个输入的RF信号都可以独立接收,并且可以根据延迟时间相关的波长确定到达角度。频率为8.4和12 GHz的两个RF信号从-7.4度和-21.2度撞击X波段天线阵列。使用基于PCF的实时延迟,可以检测到这些信号,并以很高的精度确定到达角。硬件可用性和系统波长区分能力的带宽限制了可以同时检测到的RF光束总数。

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