ASKAP光子要求

2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference Pub Date : 2008-11-05 DOI:10.1109/MWP.2008.4666635

R. Beresford

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引用次数: 16

摘要

澳大利亚平方公里阵列探路者项目将是一个射电天文综合阵列，覆盖频率范围为700MHz - 1800mhz，由至少30个直径12米的抛物面反射天线组成，位于西澳大利亚中西部偏远的无线电安静沙漠地区。本文着眼于这样一个系统的架构要求，以及在每个天线内、阵列内和外部世界传输信号所需的具有成本效益的光子解决方案的作用。光子学解决方案包括光纤射频、短距离和长距离波分复用(WDM)点对点数字链路。ASKAP的关键使能技术是利用宽带焦平面阵列馈电技术在天线的主视场(FOV)内形成多波束。目前这还处于实验开发阶段。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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ASKAP photonic requirements

The Australian Square Kilometre Array Pathfinder project will be a radio astronomy synthesis array covering the frequency range 700MHz - 1800 MHz comprised of at least thirty 12 m diameter parabolic reflector antennas located in the remote radio quiet desert Midwest region of Western Australia. This paper looks at the architectural requirements for such a system and the role of cost effective photonics solutions required to transport signals within each antenna, intra-array and to the outside world. Photonics solutions include RF over fibre, short-haul and long-haul wavelength division multiplexed (WDM) point to point digital links. A key enabling technology for ASKAP is the formation of multiple beams within the primary field of view (FOV) of the antenna using broadband focal plane array (FPA) feed techniques. At present this is in the experimental phase of development.

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2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference

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