查询词典 GPS

In order to attain high accuracy of GPS satellite navigation, positioning and low cost in precision agriculture, it is studied a method of GPS Pseudo-range observation and Carrier phase measurement to combine the actual conditions of agriculture. It is presented a method of high accuracy positioning and measure based on GPS OEM board in this paper, and proved the feasibility of key technology with emulations and field tests.

为了适应精准农业高精度、低成本的GPS定位导航应用要求，本文通过对GPS伪距和载波相位定位方法的研究，结合精准农业的实际情况，提出了基于GPS OEM板的高精度定位与测量方法，并用仿真和田间试验验证了各关键技术的可行性。

And now, Uniware is releasing a new type of GPS navigator, named GOONEY GPS PND, which is the 1st dynamic navigation GPS device in China with many innovative functions, such as receive and display detailed real-time traffic information on the screen and realize dynamic navigation to avoid the congestion road when driving.

近期大用软件隆重推出自主品牌的国内首款能够实时接收路况信息，直观快速显示道路拥堵状况，实现动态导航功能的动态导航仪——信天翁。

The company is committed to the main track GPS positioning navigation system and traffic safety warning, the general non-electronic dog gun, satellite eyes GPS-828, GPS gun for the production and marketing.

目前 公司主要致力于GPS定位追踪导航系统及交通安全警示器、非一般电子狗类测速器、卫星眼GPS-828、GPS测速器的生产和销售。

Muti antennae GPS/Gyro integrated navigation system is studied too in this paper. Using single difference GPS carrier phase observations and quaternion error, state equation and measurement equation is established for muti antennae GPS/Gyro integrated navigation system.

本文也对多天线GPS/Gyro组合捷联航姿系统进行了研究，利用单差载波相位测量的方法，建立了基于四元数误差的多天线GPS与Gyro组合航姿系统的状态方程和量测方程。

Measurements were conducted using a data buoy fitted with the new GPS sensors and the traditional accelerometers. The new GPS system performed excellently, as 3D movement of the buoy depend on the movement of seawater particles, we use the velocity of GPS receiver to estimate the position of the buoy.

再将GPS挂载在中央气象局布放於小琉球西南方海域之资料浮标上，以GPS输出之垂直速度推算波高与周期，从分析结果显示，浮标与GPS推算之波高与周期相关性皆达0.97以上，差异皆低於5%。

Therefore, the 3S technologies are fully applied in the area. On one hand, remote sensing mapping and digital elevation modeling are used to realize highprecision seismic data acquisition and quality control of field operation. GPS control points are emplaced through "firstorder control, survey grid placement stepbystep and overall adjustment", and surface fitting technique is used to build a digital model with regional height anomaly corrected. The GPS RTK and fullstationequipment traverse survey are used to realize the lofting survey of shooting and receiving points. The height fitting of shooting and receiving points of the GPS RTK survey is realized through correcting the digital model with regional height anomaly.

为此，全面地采用了3S技术，一方面从总体上运用卫星遥感影像成图技术和数字高程模型系统，实现室内对地震勘探的精确设计和对野外施工质量过程监控；用GPS卫星定位技术采取&首级控制、分期布网、首分网整体平差&方法布测物探GPS控制点，采用曲面拟合技术建立区域高程异常改正的数字模型；应用GPS RTK和全站仪导线测量等方法实现激发、接收点放样测量，利用区域高程异常改正数字模型对GPS RTK测量的激发、接收点进行高程拟合。

The invention discloses a method and device for acquiring environment data collecting in honeycomb traveling carriage localizing system and GPS, A-GPS, the collecting device comprises collecting unit with time lag distribution power which connects with honeycomb traveling carriage receiver and GPS receiver, power time lag distribution pretreating unit, environment data extraction unit and managing unit; the method includes: determining the type of input data, gathered power time lag distribution, power time lag distribution pretreating, environment data extracting and synthesizing.

本发明公开了一种适用于蜂窝移动台定位系统和GPS、A-GPS系统的获取环境数据的装置和方法，该环境数据采集装置包括与蜂窝移动台接收机和GPS接收机相连的功率时延分布采集单元、功率时延分布预处理单元、环境数据提取单元和管理单元；本发明所述环境数据采集方法包括确定输入数据的种类、采集功率时延分布、功率时延分布预处理、环境数据提取和环境数据综合。

Sytematic introduction of GPS theory and its three sub-systems, with focus on GPS's role in transportation which includes road engineer, auto navigation, traffic supervision and etc, has been presented in this paper. Thanks to its ability to provide continuous high-precision 3-dimensional coordinate all day round, technical parameter of 3-dimensional speed and time information, GPS has been widely used in public transport system in recent 2 years.

本文系统介绍了GPS的原理和其三大子系统，着重介绍了GPS系统在交通运输中的应用，包括在道路工程、汽车导航和交通管理中的应用以及其他应用， GPS全球队定位系统在公交系统中的应用，在最近两年得到了迅速的推广，这主要依赖于GPS系统可以向全球任何全天候地连续提供高精度的三维坐标、三维速度和时间信息等技术参数。

In order to solve the heavy workload and the low efficiency of the train maneuver, one kind of train security alarm system based on GPS and INS technique was presented. The Kalman filter used in the information fusion of GPS and ISN was analyzed, solving the problem of the infinite position error of an INS and the slow modification rate of a GPS. By using the original train database to correct the mileage, the precision of the system was improved.

为了弥补目前火车车辆运行中人工统计调度工作量大、效率低等缺陷，提出了一种基于全球定位系统和惯性导航技术的火车安全告警系统的设计方案；重点讨论了GPS/INS在信息融合时所使用的卡尔曼滤波方法，避免了独立的惯性导航系统无限位置误差和GPS的1 Hz慢速数据修正的问题；利用原有国家铁路网数据库进行数据修正，进一步提高了系统的精度。

Just like some of the Magellan GPS units, the Magellan ColorTRAK GPS will clearly show you where you are going, the path that you have traveled, and the scope to your abode through the Magellan ColorTRAK GPS nine navigation screens that include a recent-time track plotter with removable scale.

像有些单位的麦哲伦定位、麦哲伦colortrak的定位可看得出你那里你怎样，你曾走过的路，你和范围，通过麦哲伦colortrak居全球定位导航帘，包括最近9时轨道绘拆除的规模。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。