查询词典 GPS

After that, two tests were carried on to evaluate the performance of GPS absolute velocity determination in the case of a static and an airborne GPS receiver and INS device kinematic case.

然后用静态数据模拟动态测速试验和实测动态数据测速与同步高精度惯导测速的动态试验进行验证。

The application of SL_FNN in global positioning system is proposed in the paper. The problem in the method of circle area call is discussed, and intelligent dispatch method is proposed.

本文讨论了结构学习模糊神经网络在GPS全球卫星定位系统中的应用，讨论了GPS卫星定位系统中园范围呼叫方法存在的问题。

But due to cumulative error,it will produce rather big deviation for long time use,and vehicle navigation may be affected.A map-matching algorithm based on fuzzy logic is presented.

虽然GPS/DR组合定位比单独用GPS或航迹推算DR定位有更高的定位精度，但由于累积误差的产生，长时间使用仍可能出现较大的偏差，不利于车辆导航。

The geometry strategy of POD using carrier phase epoch-wise differency and P code is studied by the simulated data in order to achieve the decimeter accuracy level. The accessment method of POD results is also discussed. The contributions of this paper are as follows. Firstly, with the analysis of the CHAMP data, the space environment of LEOs and its influence is discussed.

本文主要工作如下：首先，结合CHAMP卫星实例数据，分析了低轨卫星所处的空间环境对GPS信号的影响，研究了6PS卫星星座和LEO卫星星座的摄动运动问题和星载GPS观测误差模型问题，建立了低轨卫星GPS测量信号仿真平台。

In order to resolve the problem of the coordinates transformation between the WGS 84 and local geodetic system, in this paper, four parameter method with plane constraint and the method based on polynomial approximation are discussed.

GPS定位技术在各个领域中已得到了广泛的应用，而GPS定位成果属于WGS-84地心大地坐标系，致使将GPS地心坐标转换成本地坐标的方法愈来愈得到广大工程技术人员的关注。

By calculating the time differences among GIBs, position of a underwater target can be resolved using hyperbola intersecting.

差分GPS参考站主要提供GPS差分信号，实现GPS实时精密动态测量。

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。

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。

"It's no longer enough to simply provide a great A to B navigation experience, the next generation of GPS devices must also deliver value added services that provide greater insight into the local environment including shops, facilities and traffic events," said Ben Perrin, Mio Technology's vice president of marketing.

&它的不再是不够的，根本提供一个伟大的A到B导航的经验，新一代的GPS装置还必须提供增值服务提供了更大的深入了解当地的环境，包括商店，设施和交通的事件，说：&本佩林， mio技术的市场营销的副总裁。

The major issues with GPS, namely 2 feet vertical guidance accuracy near the runway threshold and the integrity of the system has not been able to match historical ICAO standards and practices.

gps主要的问题是，跑到末端的垂直导航精确度是2英尺，系统的完整性（就是没有人为因素可以增加导航误差。。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。