查询词典 GPS

Some error checking method commonly used in GPS data communication are analyzed in this paper such as sum check and Cyclic Redundancy Check,detailed calculation realization is also given in C l.

本文针对GPS数据通讯中目前常用的校验和校验以及循环冗余校验，从校验原理入手，具体给出其计算方法和C语言实现。

I might as well have a GPS chip in my skin, but no, I have the Internet.

我可能也有一个GPS芯片，在我的皮肤，但没有，我已经上网。

Combined with the test of one kind of GPS receiver, this paper puts forward a method of evaluation on interior noise level using Chorology and Statistics and a new testing method by revolving the horizontal table-board between multi-sessions on the field of Mini-baseline.

论文结合某品牌GPS接收机检测实例，提出了GPS接收机内噪声水平分布统计的评价方法，以及在超短基线场内GPS接收机内噪声水平的全新检测方法－多时段旋转检测台法。

The GPS is a network of more than 30 satellites circling the Earth twice a day.

GPS是一个由30颗卫星组成的网络，每天环绕地球两次。

Based on the comparison with the acquisition algorithm in time domain,the circular correlation algorithm in frequency domain was used for fast acquiring C/A code initial phase and Dopller frequency shift of GPS signal.

在与传统的时域串行搜索捕获算法比较的基础之上，分析了利用FFT实现C/A码初始相位和载波多普勒频移快速捕获的频域圆周相关算法模型。

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。

After analyzing the basic information of the ecological engineering construction, the spatial and temporal scale, and monitoring index, the 1m IKONOS image and 2.5m SPOT5 image were introdueced as data sources, the methodology of RPC modeling and GCP optimitiaztion as modification to the interpretation, the AHP used in determining combination of multi-light specrum and the whole band wave, the virtue reality technique monitoring the classification and recognation, variable cluster allocation coeffiecents and its adaptation in spatial and imaged attributs in the research on water and siol conservation subtracting the least pathches of the area. The final stage is to subtract the information via human and computer interactive to interpret and monitor the classification in the study assisted with GPS, field identification and construction supervision.

在对研究样区水土保持生态建设情况和监测尺度及监测指标分析的基础上，选择1m分辨率的IKONOS影像和2.5m分辨率的SPOT5影像为监测遥感数据源；采用"RPC模型+GCP优化"方法进行高分辨率遥感影像正射纠正；用主成分分析法进行遥感影像全色波段与多光谱图像融合；用虚拟现实技术进行高分辨率遥感影像监督分类模板定义研究，用不同大不的聚类处理参数并在研究水土保持生态建设措施的空间特征和影像特征的基础上，确定提取水土保持生态建设信息的最小图斑参数值；最后用全数字人机交互解译和监督分类提取研究样区水土保持生态建设信息，并结合GPS现场验证和工程监理成果对监测结果进行分析评价。

WGS-84 geodetic latitude and longitude from GPS was projected by similarity transformation method, and they were transformed coercively to realize coordinate matching.

并用相似变换法将GPS接收到的WGS-84大地经纬度高斯投影后强制转换统一，以实现坐标匹配。

A hardware scheme of a multi-channel GPS signal simulator based on DSP and FPGA is proposed in this paper.The basic framework of hardware system is introduced compendiously,and the structure of software and the program flows based on the hardware are presented in detail.The feasibility of this scheme is verified finally.

立足于GPS卫星信号仿真技术，提出了基于DSP+FPGA的多通道GPS卫星信号仿真器硬件设计方案，概略介绍了硬件系统的基本架构，详细给出了基于此上的软件结构和程序流程，最后通过实验验证了该方案的可行性。

In the "close shot target three-dimension measure technology" from country 863 project, the main function of GPS conceiver is to determine the trace of vehicle-carried movement, and provide the geography coordinate frame of scanner.

在国家信息领域863项目"近景目标三维测量系统"中，GPS接收机的主要作用是确定车载运动轨迹、提供扫描仪的地理坐标框架。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！