采用超导接收模块的8元相控阵天线

The 8th European Conference on Antennas and Propagation (EuCAP 2014) Pub Date : 2014-04-06 DOI:10.1109/EUCAP.2014.6902156

H. Kayano, T. Kumamoto, N. Shiokawa, T. Kawaguchi, K. Nakayama, Mitsuyoshi Shinonaga

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引用次数: 4

摘要

我们提出了一种带高灵敏度低温接收单元的3ghz波段有源相控阵天线。高灵敏度低温接收单元有8个接收模块，每个模块由一个小型高tc超导(HTS)滤波器和一个冷却低噪声放大器(LNA)组成。这种低温接收装置的真空室尺寸为152×180×119毫米。如本文所示，在77 K下冷却的低温接收单元的实测噪声温度，与仅LNA在室温下的噪声温度相比，提高到不到1/3。有源相控阵天线由高灵敏度低温接收单元、圆形阵列天线单元阵列天线和组合单元组成。有源相控阵天线实现了波束扫描角在-45°到45°之间的方位角。实测结果与计算结果吻合较好。

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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8 Elements phased array antenna using superconducting receiving module

We have proposed a 3 GHz band active phased array antenna with a high-sensitivity cryogenic receiving unit. The high-sensitivity cryogenic receiving unit has 8 receiving modules, and each module consists of a small high-Tc superconducting (HTS) filter and a cooled low noise amplifier (LNA). The vacuum chamber size of this cryogenic receiving unit is 152×180×119 mm. As shown in this paper, measured noise temperature of the cryogenic receiving unit cooled at 77 K improved to less than 1/3 as compared with the noise temperature of only LNA at room temperature. Then the active phased array antenna consisted of the high-sensitivity cryogenic receiving unit, array antenna with circular arrayed antenna elements, and combiner unit. The active phased array antenna realized beam scan angle between -45 degree and 45 degree in azimuth. Also measured results were good agreed with calculation results.

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来源期刊

The 8th European Conference on Antennas and Propagation (EuCAP 2014)

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