佘山25 m与13 m射电望远镜互掩问题分析

李金岭; 温波; 孙中苗; 范庆元; 贺更新; 黄飞; 柳聪

doi:10.11947/j.AGCS.2018.20160670

测绘学报 >

2018 , Vol. 47 >Issue 1: 1 - 7

DOI: https://doi.org/10.11947/j.AGCS.2018.20160670

佘山25 m与13 m射电望远镜互掩问题分析

李金岭 ,
温波 ,
孙中苗 ,
范庆元 ,
贺更新 ,
黄飞 ,
柳聪

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1. 中国科学院上海天文台, 上海 200030;
2. 信息工程大学地理空间信息学院, 河南郑州 450001;
3. 西安测绘研究所, 陕西西安 710000;
4. 中国电子科技集团公司第三十九研究所, 陕西西安 710065

李金岭(1964-),男,博士,研究员,研究方向为射电天体测量与空间大地测量。E-mail:JLL@SHAO.AC.CN

收稿日期: 2017-01-10

修回日期: 2017-10-15

网络出版日期: 2018-02-05

基金资助

国家自然科学基金（11178024；10973030；U1331205）

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Analysis of Mutual Shielding Effect Between the 25 m and 13 m Radio Telescope at Sheshan

LI Jinling ,
WEN Bo ,
SUN Zhongmiao ,
FAN Qingyuan ,
HE Gengxin ,
HUANG Fei ,
LIU Cong

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1. Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China;
2. School of Geographic Spatial Information, Information Engineering University, Zhengzhou 450001, China;
3. Xi'an Institute of Surveying and Mapping, Xi'an 710000, China;
4. No. 39 Research Institute, China Electronics Technology Group Corporation, Xi'an 710065, China

Received date: 2017-01-10

Revised date: 2017-10-15

Online published: 2018-02-05

Supported by

The National Natural Science Foundation of China(Nos. 11178024;10973030;U1331205)

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摘要

应实际工程需要，本文分析了有限场地内两射电望远镜的互掩问题，提出了地平式（方位俯仰座架）射电望远镜外接球面的概念，给出了球冠缺面积的数值积分计算方法，并具体分析和计算了佘山25 m与13 m射电望远镜的互掩，对于工程设计阶段的站点位置选取、塔基高度设计等具有理论参考意义。分析方法也可供类似工程实践参考。

关键词： VLBI; 射电望远镜; 互掩分析; 方法研究

本文引用格式

李金岭 , 温波 , 孙中苗 , 范庆元 , 贺更新 , 黄飞 , 柳聪 . 佘山25 m与13 m射电望远镜互掩问题分析[J]. 测绘学报, 2018 , 47(1) : 1 -7 . DOI: 10.11947/j.AGCS.2018.20160670

Abstract

In accordance with practical needs of a project,the mutual shielding effect between two radio antennas located within some limited area is analyzed in this paper.The concept of the externally connected sphere of an antenna in altazimuth(azimuth-elevation) mount is put forward.A calculation method via numerical integral of the area of a part of spherical crown is given.The mutual shielding effect between the 25 m and 13 m radio telescope at Sheshan is analyzed and estimated.The result is of theoretical reference meanings in the design phase of the project concerning the position selection and height design of the supporting tower of the 13 m antenna.The analytical idea and method can also be used as reference by similar engineering practice.

Key words： VLBI; radio telescope; mutual shielding analysis; analytic method

参考文献

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