查询词典 IGS

In addition, researchers found that the IGS was also predictie of clinical outcomes in indiiduals with prostate cancer, lung cancer and medulloblastoma.

此外，研究人员发现IGS同样对前列腺癌、肺癌和髓母细胞瘤患者的临床结果具有预测能力。

According to the new method, the paper develops the PPP using IGS rapid precise ephemeredes products (latency of 17 hours).

基于此方法，发展了利用IGS提供的时延17小时的快速精密星历产品的精密单点定位。

This research process the ionosphere-free triple-differenced carrier phase observation which consist of double frequency GPS observations from the GPS receiver carried on the CHAMP and 40 IGS tracking stations. Besides, the tropospheric correction model, solid earth tide correction, mass center correction of the satellite, earth rotation correction and antenna phase center correction are incorporated. Finally, determine the satellite short-arc orbit with the pure geometry, kinematic, method.

本研究利用CHAMP卫星上装载之GPS接收器所接收之双频观测量与地面上40个IGS追踪站组成三次差分无电离层观测量，并改正观测量中之对流层误差、固体潮误差、质量中心改正、地球自转、天线相位中心偏差等误差量，以纯几何之动态法求定低轨卫星之短弧轨道位置。

GPS satellite precise ephemerides provided by IGS describe there dimension position of GPS satellites in ITRF.

IGS提供的精密星历描述了GPS卫星在地固系中的三维位置。

This paper focuses on how to calculate GPS satellite orbit parameters through IGS data. Choosing a group of appropriate parameters, and the relationship between satellite position in ITRF and these parameters are founded, and these parameters can be estimated using some successive ephemerides. Three different methods are introduced detailedly.

本文以IGS精密星历为基础，深入研究了利用精密星历计算GPS卫星轨道参数的模型与方法，并对三种不同的计算方案进行了比较研究，其目的是寻找一种合适的计算方法，得到能够正确反映一个较长时间段内(如800天)轨道参数随时间变化的规律。

This paper compares the position and clock offset of the satellites insight obtained from the broadcast ephemerides file five days prior and posterior to the cancel of SA policy on WUHN station with that provided by final IGS precise ephemerides.

利用全球GPS永久性跟踪站WUHN站在SA取消前后五天的广播星历文件计算得到在视卫星的位置和钟差，与事后IGS精密星历提供的卫星位置和钟差进行比较分析，说明SA取消对广播星历的影响。

According to the Green's approach in theory of mass load on Earth's surface, the vertical displacements at some Chinese IGS stations due to mass load, including atmosphere, nontidal ocean and land water, are estimated.

根据地表质量负荷理论的Green函数方法，计算了地球表面质量负荷（包括大气、非潮汐海洋和陆地水）对中国部分IGS台站垂直位移的影响。

Thus, the molecular techniques are becoming more popular in the differentiation of Microcystis.16S rDNA, 16S-23S rDNA ITS and PC-IGS have been used in phylogenic classification of Microcystis, they are common molecular markers of taxonomic researches and a number of results have been carried out.

利用分子生物学技术鉴定微囊藻的种属具有快速而且可靠的优势，因此已成为了分类研究的新趋势。16S rDNA、16S-23S rDNA ITS、PC-IGS等基因序列在微囊藻的分子系统发育方面已有一些研究结果，是目前分类学研究较常用的分子标记，但各自仍存在了一定的问题。

The precise satellites clock error estimation algorithm of navigation satellites is studied in this paper. The computation of precise satellites clock error based on the non-difference phase is realized and the results are compared with the products provided by IGS analysis centers.

研究了导航卫星精密钟差的估计算法，编程实现了基于非差载波相位的精密卫星钟差的解算，并同IGS若干分析中心提供的精密钟差产品进行了比较。

At present, CORS comprehensive application network are being used in weather prediction in many cities. In order to provide a real platform for researchers, we have developed a near real-time GPS meteorology system and validated the system using real IGS datasets.

目前国内许多城市开始将CORS综合应用网服务于气象部门，为给地基GPS气象研究人员提供一个真实的研究环境，本文基于IGS超级跟踪站网络搭建了一个近实时GPS气象系统，并结合实测数据验证了该系统的有效性。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了