可重构光纤时导二维发射波束形成器的距离演示

International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430) Pub Date : 2000-09-11 DOI:10.1109/MWP.2000.889773

D. Tulchinsky, P. J. Matthews

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引用次数: 0

摘要

我们首次展示了一种二维、实时延迟的发射波束形成器，该技术通过将一维波束形成器的输出动态地重新分配到二维天线阵列的输入平面上，从而产生二维转向。可重构波束形成器的消声室测试表明，在方位和仰角方向的6至18 GHz频段上无斜视转向到/spl plusmn/45/spl度/，在基间/spl plusmn/45/spl度/方向上无斜视转向到/spl plusmn/30/spl度/ az， /spl plusmn/30/spl度/ el。

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Range demonstration of a reconfigurable fiber-optic time-steered 2D transmit beamformer

We present the first range demonstration of a 2-D, true-time delay, transmit beamformer based on the technique that produces 2-D steering by dynamically reassigning the output of a 1-D beamformer onto the input plane of a 2-D antenna array. Anechoic chamber testing of the reconfigurable beamformer, demonstrates squint-free steering to /spl plusmn/45/spl deg/ across the 6 to 18 GHz band in the azimuth and elevation directions and to (/spl plusmn/30/spl deg/ az, /spl plusmn/30/spl deg/ el) in the inter-cardinal /spl plusmn/45/spl deg/ directions.

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International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430)

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