查询词典 geodetic satellite

It to study the application of satellite motion theory and satellite observations, to solve the Earth's surface point position, shape of the Earth, the Earth elevation, location of plate movement and other issues involving , motion, deformation and gravity field, the creation of satellite geodetic network as the state's basic control network.

它研究应用卫星运动理论和卫星观测，解决地球表面点位置、地球形状、地球高程、板块运动等涉及位置、运动、形变以及重力场的问题，建立卫星大地网作为国家基本控制网。

Hence, a new space VLBI satellite is needed to support geodetic and geodynamic study.

因此，本文研究了可以对空间VLBI卫星精密定轨的几种技术和应用的可能性。

The Grove Mountains expedition is one of the highlights of this expedition, after surveying and mapping personnel have conducted four times the Grove Mountains mapping, geology and glaciology comprehensive survey, field mapping of the Grove Mountains, the surface of the core area of 110 square kilometers topographic maps and maps of protected areas; emplaced 10 geodetic control points, seven ice-flow monitoring stations; the use of different resolution optical images, SAR images, carried out the distribution of the ice fissure information extraction research, production of the Grove Mountains region Flat satellite image maps, digital elevation models and a wide range of blue ice distribution maps, for my recovery to the 9834 Antarctic meteorites have made contributions.

格罗夫山考察是本次考察的亮点之一，此前，测绘人员已进行过4次格罗夫山测绘、地质与冰川学综合考察，实地测绘了格罗夫山核心区110平方千米表面地形图和保护区地图；布设了10个大地测量控制点、7个冰流速监测站；利用不同分辨率光学影像、SAR影像等，进行了冰裂隙分布信息提取研究，制作了格罗夫山地区平面卫星影像图、大范围数字高程模型及蓝冰分布图，为我国回收到9834块南极陨石作出了贡献。

SLR is one of the important space geodetic advanced techniques. It provides precise range between a laser station and a satellite that is equipped with retroreflectors. In the dissertation, the precis orbit determination on SLR technique is researched.

SLR技术是现代空间大地测量最先进技术之一，它可以为人造卫星提供精密的距离观测，本文系统地研究了SLR技术在卫星精密定轨中的有关技术问题。

And then, according to the kind of satellite and the requirements for geodetic and astrometric study and the geometry of GNSS satellite to track the space VLBI satellite, the six Keplerian elements of Chinese space VLBI satellite are selected and determined.

以及采用此程序，设计了我国空间VLBI卫星的遥控跟踪网，研究了此网对我国空间VLBI卫星的跟踪效率，给出了分析结果。

This helps corroborate GPS satellite status and gives geodetic scientists a new way to gauge tectonic plate movement.

这有助于证实全球定位系统的卫星位置，为地学家测量地球大陆板块漂移，提供了一种新手段。

GEOS? Geodetic Earth Orbiting Satellite?

大地测量地球轨道卫星

The geoid is used to be regarded as the theoretic global vertical reference .The actual national height references are regional mean sea levels determined by tide gauge station. The difference between them is apparent. The satellite altimetry has developed as a kind of important space geodetic technique since 1970s.

大地水准面作为全球高程测量的理论基准面，在现实工作中，国家或者地区高程系统的起算面是利用验潮方法来确定局部平均海平面的，两者之间的差距是显而易见的。

Main courses: satellite geodesy, error theory and data processing, physical geodesy, space geodetic techniques and applications, imaging and mapping, navigation, celestial mechanics, photogrammetry, digital image processing, pattern recognition, radio communications and navigation , digital and analog circuits, such as optimal control.

主要课程：卫星大地测量学、误差理论与数据处理、物理大地测量、空间测地技术及应用、影像与制图、组合导航、天体力学、摄影测量学、数字图像处理、模式识别、无线电通讯与导航、数字与模拟电路、最优控制等。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。