查询词典 GPS

Terrestrial network and GPS network are adjusted separately and mixedly.

本文讨论了GPS网与地面网的联合布设，分别对地面网与GPS网进行独立平差与混合平差，并对其平差的精度结果进行了比较和分析。

The principle of remote sensing of water vapor along the slant path using GPS is described in this paper. First, the nonisotropic component of water vapor in different azimuth above the GPS receiver is calculated using the wet gradient and the postfit residuals, and then slant path water vapor is recreated.

本文介绍了地基GPS沿倾斜路径方向遥感大气水汽总量的原理和方法；首先用湿梯度、后处理残差联合计算接收机上空不同方位上大气水汽各向异性成分，在此基础上重构倾斜路径水汽总量。

The results showed that:(1) some governing points, which were measured by submeter precision GPS, were utilized to correct the 1 m precision remote sensing image and it could satisfy the desired precision of geometrical correction, therefore, this method could be used as geometrical correction in the region where was short of the big scale relief map;(2) the density of the original data was the main factor to affect precision of the volume, and the precision of the calculated volume of earthwork could be improved to more than 90% when using the test points and feature points; the sparser the data density were, more significant could be improved; On the base that elevation of test points were measured by the submeter precision GPS, the error of the volume, which was produced by vectoring relief map to obtain DEM, could be calculated, and the calculation precision of the earthwork could be improved markedly.

结果表明：利用平面精度达亚米级的GPS测量控制点坐标对1米分辨率的遥感卫星影像进行几何校正，能够满足其几何校正的精度要求，可以解决缺乏大比例尺地形图地区的高分辨率遥感卫星影像的几何校正问题；通过对模型数据的分析，数据密度是影响体积精度的主要因素，利用检测点高程和特征点可以提高土方量计算的精度，使土方量计算的精度达到90％以上，数据密度越稀疏，精度提高越显著；采用高程精度达厘米级的RTK(Real Time Kinematic实时动态差分)测量检测点的高程，对用地形图扫描矢量化形成的DEM模型进行检测求出误差体积，可以大大提高土方量的计算精度。

In this dissertation, we selected a lot of actual aerial photographs, which use as surveying and mapping the topographic maps at the scale of 1:500～1:50000, with airborne GPS data taken from five projects which include all type of topographics from flat to mountain in China were processed by our GPS-supported aerotriangulation.

经采用自行研制的两个软件GPSkin和WuCAPS〓进行GPS辅助光束法区域网平差，获得了满足我国现行《航空摄影测量内业规范》的加密结果。

RF front end receives, magnifies and filtrates the GPS signal, and above all, converts it down to IF digital signal.

射频前端接收芯片实现GPS信号的接收、放大、滤波、和下变频，其中最重要的是对GPS信号进行下变频转换为数字中频信号。

Combined with the complex features of GPS coordinates calculation on gyrated line points on expressway and city overpass ramp,it introduces the calculating methods of gyrated line s transformation to alleviated curve.

结合高速公路和城市立交匝道上回旋线段任意点的GPS坐标计算的复杂性，详细地介绍了回旋线段转化为缓和曲线的计算方法，并通过工程实例进行了说明，以达到快速准确地计算回旋线段任意点的GPS坐标的目的。

GPS location technology is first used in Construction Bank building of Xiamen. It has built the control network of floor construction; Precision of location and setting out can meet the needs of high-rise building construction; Deformation curve reflects the law of sunshine deformation; Frequency spectrum chart of kinematic deformation monitoring reflects kinematic feature and the law of deformation.

GPS定位技术在厦门建设银行大厦工程的首次应用，建立了施工楼层的GPS定位控制网，其定位放样精度完全能满足高层及超高层建筑施工的要求；日照变形监测的变形曲线，反映了建筑物的日照变形规律；动态变形监测的频谱图，反映了建筑物的动态特征和变形规律。

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。

Additionally, the author proves the fact that the coordinate differential is embodied in hyperbola intersecting algorithm. 3. Time measurement Based on GPS Time System The basic observation for UGPS is the time that acoustic signal arrives at GIB. To measure the time difference, the time system of every GIB should be synchronized as all GIBs are working independently.

要测量时间差值，必须要求各个浮标系统的时钟严格同步，本文采用了基于GPS时间系统的浮标时钟同步，同时通过GPS接收机的1PPS脉冲校正延时测量漂移，实现精密的时间测量方法。

Warfighter in GPS-denied environments, such as urban canyons, inside buildings, and in the presence of GPS jammers.

RSN计划寻求利用&机遇信号&在不能有效使用全球导航定位系统的环境下（如高楼林立的市区、建筑内、存在着GPS干扰机的情况），为美军作战人员提供精确定位信号。

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。