查询词典 GPS

On the base of INS, the method of initial alignment is introduced. And the state equation and observation equation are proposed. Using velocity error as exterior value of observation, We achieve the initial alignment.

在实现INS的基础上，研究INS和GPS组合的初始对准方法，建立组合导航系统的状态方程及速度观测方程，应用卡尔曼滤波器实现了INS／GPS的组合对准。

And the integration can be applied to compute river water-level and velocity of stream-flow as monitoring fluvial discharge, especially during freshet.

此外，在讯号分析部份除了针对水面高程进行分析之外，我们也分析GPS反射讯号的都卜勒频移值，利用速度场转换的方式可计算出每个反射点的流速，而在此利用GPS反射讯号与数值地形资料库整合应用，透过整合系统的开发将可提供全面性及近即时性的河川水面高程及流速的量测，更可加以估算河川洪水期之河水流量，用以提供河川洪峰流量之监控。

In this paper, a method, which is based on GPS Time system, is applied to synchronize all GIBs. With GPS receiver's 1PPS output , GIB can compensate for the crystal oscillater's drift. 4. Mathematic Model of UGPS Based on the principle of hyperbola intersection, an iterative algorithm and an analytic algorithm are deduced to resolve system equations with four GIBs observations. It can also be used to resolve the approx coordinate with more than five GIBs'observations.

系统的定位数学模型分析基于双曲线观测的定位模型是系统的基本原理，本文对该数学模型的求解进行了详细分析，对于四枚浮标的系统，本文给出了了迭代算法和解析算法求解的推导，同时对于多余四枚浮标的系统，本文给出了最小二乘算法求解推导。

The Three-Dimensional Kinematic Analysis on Spinning and Delivery Technique of Some Domestic Female Elite Hammer Thrower

主要研究基于数字射频存储器解决旋转状态下GPS信号的跟踪和定位问题，并利用Zarlink产品设计芯片级GPS接收机。

The hominoid fossils found in the Yuanmou Basin, southwestern China, are among the key fossils for understanding the evolution of early hominoids in eastern Asia and their relationship with coeval hominoids in Europe and Africa.

在使用静态GPS位移资料反演集集地震的断层破裂滑动分布时，由于集集地震断层北部近地表破裂的复杂性，在位错模型中考虑拉张分量对地表同震位移的贡献，可更好地同时拟合GPS观测资料的水平和垂向分量。

Finally, based on the relative observation data of LS and CCD, the position of objects in local coordinate system can be obtained.

在近景目标三维测量系统中，是根据GPS定位平台的姿态角，通过GPS平台、激光扫描仪及CCD相机之间的固定位置关系，得到CCD相机、激光扫描仪的姿态参数，依据扫描仪和CCD相机对地物点的观测，解算出地物点在当地坐标系下的坐标。

In the paper its introduces the principle of GPS location and synchronous sampling transfer method.The code and frame of GPS's data is also introduced.

本文主要是利用Visual Basic 强大的集成开发环境和快速的创建各种应用程序的能力，包括非常流行的多媒体应用程序和各种图形操作界面，来编写一个实时接收并显示的窗体应用程序。

With this method,carrier Doppler was firstly estimated with Periodogram Spectral Analysis method;then LOS Doppler velocity was calculated;and finally,the velocity of the receiver was compu...

首先应用周期图法估计片段GPS信号的多普勒频移，计算视距变化率，然后建立视距变化率方程，进而求得接收机的速度。通过Matlab模拟的信号和GPS仿真器模拟产生的高动态信号仿真验证了多普勒频移的估计精度和用户速度的测量精度。

In plain datum to densify the national GPS network and increasing 250 permanent GPS tracking stations in the coming years, i.e.

在高程基准方面，建议在仪器设备和规范细则方面作好准备工作，依法定期对国家高程控制网进行复测。

Using GPS merely as an auditing tool is no problem, because the OBU only has to determine its position every now and then. Tachograph and GPS data are saved on a smart card, which is then sent to the customs authority or its content downloaded online.

转速表和计速器上的信息存在一张智能卡上，智能卡会被送到海关或用以在线下载的信息储存设备。

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％。