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Dynamic null steering for broadband phased array antennas via photonic processing

机译:通过光子处理实现宽带相控阵天线的动态零转向

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Abstract: This paper presents a novel architecture for independently steering broadband nulls for phased array antennas. Measurements taken over a ten percent fractional bandwidth on a three-element proof-of-concept system shows a null depth of better than 40 dB uniform across the entire band in this laboratory setup. The architecture presented is best suited for small antenna array applications, for example self-guided airborne munitions. In a fully integrated, optimized system, null depths of 50 - 70 dB or greater across a multi-gigahertz bandwidth are anticipated and the critical factors, which influence this performance, are examined. !7
机译:摘要:本文提出了一种新颖的体系结构,用于独立控制相控阵天线的宽带零点。在此三元概念验证系统中,在百分之十的分数带宽上进行的测量显示,在此实验室设置中,整个频带的零位深度均好于40 dB。提出的架构最适合小型天线阵列应用,例如自行制导的机载弹药。在完全集成,优化的系统中,可以预见到跨数千兆赫兹带宽的50-70 dB或更大的零陷深度,并研究了影响该性能的关键因素。 !7

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