The Study of Quasi-Optical Feed System and Low Noise Receiver Technology for MUimeter Wave Radio Telescope

Shen Huibo; Cao Yiting; Wu Jianjiang. Ma Junmei; Dai Lifeng

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The Study of Quasi-Optical Feed System and Low Noise Receiver Technology for MUimeter Wave Radio Telescope

更新时间：2025-12-08

- The Study of Quasi-Optical Feed System and Low Noise Receiver Technology for MUimeter Wave Radio Telescope
- Acta Electronica Sinica Issue 6, Pages: 85-87(1998)
- 作者机构：
  
  1. 中科院紫金山天文台
  2. 中科院紫金山天文台南京 210008
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH751
- Published：1998
- 稿件说明：
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[1]沈惠波,曹逸庭,吴建江,马俊梅,戴立峰.毫米波射电望远镜准光学馈源系统及低噪声接收技术的研究[J].电子学报,1998(06):85-87+84.

Shen Huibo, Cao Yiting, Wu Jianjiang. Ma Junmei, et al. The Study of Quasi-Optical Feed System and Low Noise Receiver Technology for MUimeter Wave Radio Telescope[J]. Acta Electronica Sinica, 1998, (6): 85-87.
[1]沈惠波,曹逸庭,吴建江,马俊梅,戴立峰.毫米波射电望远镜准光学馈源系统及低噪声接收技术的研究[J].电子学报,1998(06):85-87+84. DOI：

Shen Huibo, Cao Yiting, Wu Jianjiang. Ma Junmei, et al. The Study of Quasi-Optical Feed System and Low Noise Receiver Technology for MUimeter Wave Radio Telescope[J]. Acta Electronica Sinica, 1998, (6): 85-87. DOI：

摘要

本文叙述了我国13.7米毫米波射电望远镜准光学馈源系统及低噪声致冷接收技术。在2.6mm波段研制了具有多种功能的准光学馈源系统

插入损耗小于0.5dB;研制了宽带低噪声致冷接收机前端

在80～115GHz的频率范围内

带内最小噪声温度达到T

（DSB）

min

=130K。该毫米波望远镜已观测到了O

O（J=1-O）

O（J=1-0）多条分子谱线。

Abstract

The quasi optical feed system and low noise cooled receiver technology for milimeter wave radio telescope are presented in this paper.The quasi optical feed system has many advantages:low loss and wide bandwidth （

0.5dB at 85-115GHz） and noise temperature of receiver T

（DSB）

min

=130K at 80-115GHz. The molectder spectrum lines O

O（J=1-O）

O（J=1-0）are observed.

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