查询词典 GPS

The data of the pre and post reconstruction of microwave time comparison system is collected and processed. The performance of one-way time transfer of previous system, the digital channel and the analog channel of the reconstructed system are analyzed, and the performance of two-way time comparison of the analog channel and the performance of GPS CV time comparison are analyzed too.

对改造前后的微波时间比对系统和GPS共视比对系统进行数据采集、处理，分析了改造前微波时间比对系统的单向时间传递性能，改造后的数字微波时间比对系统数字通道和模拟通道的单向时间传递性能，模拟通道的双向时间比对性能及GPS共视系统的时间比对性能。

The Bernese 5.0 software is used to compute the precise orbits of the FORMOSAT-3 and GRACE satellites using the kinematic and reduced-dynamic methods based on zero-differenced GPS phases from these two satellites missions. This study concentrates on the effects of satellite attitude, GPS antenna phase center variation and center of mass.

本论文针对福尔摩沙卫星三号及GRACE卫星姿态、相位及质心影响精密定轨问题分别进行探讨，采用GPS相位观测资料以Bernese 5.0软体进行零次差减动力法及动态法计算轨道。

During 3D seismic data acquisition in Berri Block of Saudi Arabia,GPS navigation system was used while shooting,and monitoring shot-point drift on the interface of GPS navigation system,to initially control shot point error. Then,the method was applied to control seismic data acquisition quality,to analyze and examine shot-point drift and receiver-point drift.

在沙特Berri工区三维地震数据采集过程中，首先在放炮时采用GPS导航系统，在导航系统监控软件界面上监测炮点偏移情况，初步控制炮点误差；然后利用基于最小偏移距分选方法对地震数据采集质量进行监控，并对炮点和检波点偏移误差进行分析和检查。

The con- cept of surface model and its digitized description in the new generation GPS are presented in this paper.

本文介绍了新一代GPS标准体系表面模型的概念及其数字化描述方法，探讨了基于新一代GPS的表面模型的操作技术。

The results show that GPS ground tracking data can be used for estimation of high rate satellite clock errors.

结果表明，利用地面跟踪站的GPS观测数据，可高精度、高密度地估计GPS卫星钟差，估计精度可达0.1～0.5ns。

As main part of this thesis, the responses of the ionosphere on solar flare radiation are analyzed by means of GPS method, which is the first time in the world to analyze this kind of ionospheric disturbance using GPS method.

本论文在分析GPS系统以及空间环境对其影响的基础上，归纳出了一个简单有效而高精度的利用双频GPS数据进行电离层扰动研究的数据处理方法；分析了该方法的各种误差源及其修正；并利用该方法研究了发生于电离层中的多种背景和扰动形态。

At first,the performance of different discriminators in code and carrier loop are compared based on anlyzing the principle of GPS tracking.Then the tracking effects with different loop patameters are simulated and compared.At last,a couple of discriminators are selected and proper loop parameters are designed to track actual GPS intermediate frequency signal,and the tracking results validate the design.

在分析GPS跟踪原理的基础上，对比码环与载波环不同鉴相器的性能，然后在不同环路参数下对跟踪效果进行了仿真比较，最后选择一组鉴相器并设计合适的环路参数，对实际采集的GPS中频信号进行跟踪，跟踪结果验证了设计环路的有效性。

The company mainly conducts the GPS global satellite fixed position system,new GPS to guard against theft the system,automobile drive the record instrument,wireless video frequency supervision system,the small area supervision etc. series Anne defend a product.

公司主要经营GPS 全球卫星定位系统、新型GPS防盗系统、汽车行驶记录仪、无线视频监控系统、小区监控等系列安防产品。

Taking the close-well-net of Zhangcun Coal Mine as the example, this paper expounds the arrangement and observation of the GPS net, the calculation of the baseline vector, the detection of field data, the detection of closure error , the adjustment treatment of GPS net, and the precision analysis, etc.

以漳村矿近井网测量为例，阐述了GPS网的布设及观测、基线向量的解算和外业数据的检核、闭合差检验、GPS网平差处理及精度分析等。

And plans the development of GPS and GPS + FRS machine.

并计划开发GPS和GPS+FRS一体机。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。