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- Miniature passive hydrogen maser is developed at Shanghai Observatory which employs compact cavity design and square wave frequency modulation. 介绍了上海天文台被动型小氢钟的设计和研制,给出了初步的测试结果。
- The timing and controlling systems are used for an observation of Geos-3, Geos-1 and Be-c at Shanghai Observatory during MERIT campaign from Aug. to Oct. in 1980. 本文介绍上海天文台人造卫星激光测距仪在1980年8月至10月期间对《GEOS-3》、《GEOS-1》和《BE-C》三颗卫星进行观测所使用的时间系统和控制系统。 时刻与USNO的UTC同步精度好于3微秒,直接用于人卫激光测距工作的实时钟时刻校正精度为1微秒。
- Using the equipment of Shanghai Observatory(2,3),the sensitivities of Hypersensitized and unhypersensitized samples of Kodak i03a-O have been measured for exposure time ranging from 10 sec to 2 hrs. 使用上海天文台的气体敏化设备,我们对柯达103a-o(2 G4)底片做了互易率失效的实验研究。 从10秒到2小时的露光范围内,用氮气烘烤大大减小了互易率失效;
- Based on the theory and practical method of time difference system with dual mixer presented by Allan, this paper analysed emphatically an 100MHz time difference system with dual mixer which was established at Shanghai Observatory. 本文根据Allan提出的双混频时差(DMTD)测量系统的原理和方法,着重对上海天文台建立的100兆赫双混频时差测量系统进行了分析。
- This paper gets data of 63 pairs of visual double stars measured on the eyepiece micrometer during 1980.7-1981.9 with the 40 cm astrograph of Zo-s6 section of Shanghai Observatory. 本文给出1980.;7-1981
- Annals of Shanghai Observatory Academia Sinica 中国科学院上海天文台年刊
- VLBI OBSERVATIONS AT SHANGHAI OBSERVATORY IN 1994 1994年上海天文台VLBI观测概况
- THE TIDAL EFFECT ON THE TIME AND LATITUDE OBSERVATION OF SHANGHAI OBSERVATORY 上海天文台天文时纬观测中的潮汐影响
- 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
- He had to make a quick change at Shanghai. 他不得不在上海匆忙换车。
- Sadio Observation of Comet Halley with the 25m Radio Telescope of Shanghai Observatory 上海天文台25米射电望远镜哈雷彗星射电观测
- The army was now on the march to Shanghai. 部队当时正向上海进军。
- The steamers for Shanghai leave on Wednesday. 开往上海的轮船星期三启程。
- Determination of Space Coordinate Differences of Co-Location Sites in Shanghai Observatory 上海天文台并址站的空间归心测量
- She drove off leaving for Shanghai. 她没马上去上海。
- 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
- THE LAST MEASUREMENT RESULTS AND ANALYSIS AMONG SHANGHAI OBSERVATORY VLBI, SLR AND GPS STATIONS 上海天文台VLBI,SLR和GPS站的归心结果与分析
- He has booked through( from Shanghai) to Chengdu. 他已经订到了从上海到成都的全程车票。
- Our office has removed to Shanghai from Beijing. 我们的办公室已从北京迁到上海。
- The ship sails from Shanghai to Hongkong. 这艘船从香港驶往上海。