Shanghai Observatory developed successfully a kind of engineering model of hydrogen maser to be used on an engineering vehicle.

1、

The 6-meter radio telescope at Shanghai Observatory

上海天文台六米厘米波射电望远镜

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2、

The set has been employed in Shanghai Observatory's cesium o'clock and obtained a good result.

电路实施和整机测试原理、结果以及实际应用在大铯钟上取得良好结果情况。

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3、

This paper describes the structure planning, system generation and installation of HP 1000 computer operating system at Shanghai Observatory.

本文介绍上海天文台HP1000计算机操作系统的结构设计，系统生成和安装。

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4、

Miniature passive hydrogen maser is developed at Shanghai observatory.

介绍了上海天文台被动型小氢钟的研制进展，给出了当前的测试结果。

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5、

The improvement of the performance of the hydrogen maser clock at Shanghai Observatory in recent years

近年来上海天文台氢钟性能的改进和提高

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6、

Development of miniature passive hydrogen maser at Shanghai Observatory

被动型小氢钟的研究进展

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7、

Practical usage of gas hypersensitization method at Shanghai Observatory

气体敏化方法在上海天文台的实际使用

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8、

Ground tracking station of prare system setup at Shanghai Observatory

精密测距测速系统地面跟踪站在上海天文台建立

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9、

This paper will describe the design improvement and performance of Shanghai Observatory's atomic hydrogen clock.

这篇文章描述了上海天文台研制的氢原子钟的技术改造与性能。

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10、

Satellite laser ranging observation at Shanghai Observatory in 1998

1998年上海天文台人卫激光测距观测报告

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11、

The accuracy of the determination of the baseline using experimental VLBI system in Shanghai Observatory

VLBI实验系统基线测量的精度

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12、

The library automation and networking construction at Shanghai Observatory

上海天文台图书馆自动化和网络化建设

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13、

The design of the range gate in satellite laser ranging systems at Shanghai Observatory

激光人卫测距中距离门的设置

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14、

The Uses Development and Improvement of the Hydrogen Maser in Shanghai Observatory

上海天文台氢原子钟的使用、研究和改进

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15、

Microwave spectrum of optical system improvement of cesium beam frequency standard at Shanghai Observatory

上海天文台铯钟改进束光学系统后的微波谱

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16、

A preliminary analysis of the accuracy of the satellite laser ranging system at Shanghai Observatory

上海天文台人造卫星激光测距系统的精度初步分析

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17、

Time and frequency system of SLR at Shanghai Observatory

上海天文台激光测距站的时频系统

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18、

The application of the software engineering methodology in establishing environment at Shanghai Observatory

软件工程方法在台级计算机环境建设中的应用

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19、

Thermistor thermal control system on the hydrogen clock at Shanghai Observatory

上海天文台氢原子钟热敏电阻控温系统

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20、

The objective of Beijing National Earth Observatory is to make a great effort to transform it into observing and researching and forecasting three-in-one combination seismic station. In order to realize this objective, the way and step of the management is provided.

提出了把北京国家地球观象台建成监测、预测、科研三结合台站的管理目标，给出了实现这个目标应采取的管理方法和必要措施。

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