地理坐标系

如何将GPS位置实时推算至海底地形点位置、获取海底测点在地理坐标系中的精确位置是一套十分复杂的计算过程。

It is complicated procedures that how to transfer the location of GPS to accurate survey point on sea-bed in geographic coordinate system .

通常的SINS/GPS组合导航算法都是在地理坐标系下建立的。

Usually the algorithm about SINS / GPS is constituted in geography coordinate system .

基于地理坐标系的惯性导航原理性误差分析

Principle error analysis of inertial navigation

针对机载主惯导以地理坐标系为导航坐标系，而弹载子惯导以准惯性坐标系为导航坐标系的实际情况，研究了主惯导速度匹配量的实时构造问题。

The on-line construction problem of the velocity matching data of the airborne master inertial navigation system is researched .

给出的坐标变换法可与相应的跟踪算法结合，得到独立的地理坐标系下的天波超视距雷达跟踪算法。

The track algorithm for Over-the-Horizon-Radar in ground coordinate can be given by combing the transformation with the corresponding tracking algorithm .

推导了在新坐标系（初始点惯性地理坐标系）中惯导系统的导航定位算法及误差方程；

Deduces the algorithm and error equation of the strap-down navigation system with the new coordinates ( inertial position geography inertial coordinates );

研究了新导航算法中所涉及的一个子问题&从地球坐标系到当地地理坐标系的坐标变换问题。

As a sub-problem involved in the new navigation algorithm , the transformation from Earth-centered Earth-fixed coordinates to geodetic coordinates is addressed .

传统的系统技术中，惯性传感器直接固联在载体上，数学平台跟踪地理坐标系。

In the traditional systems technology , inertial sensors fixed directly linked in the vector platform for tracking the geographical coordinates of mathematics .

文章对飞艇载天线指向使用地理坐标系到飞艇坐标系的变换算法，来消除飞艇姿态变化的影响；

This paper applies conversion of coordinates from NED coordinates to aero boat coordinates to eliminate infection because of the change in aero boat gesture .

在机载雷达组网中，各平台载机要实时地向融合载机传送目标信息，进行信息融合，必须将各飞机平台的坐标系转换为融合载机的地理坐标系。

In contemporary networked airborne radar systems , in order to transfer data between planes for data fusion , coordinate conversion from platform plane to home plane is necessary .

稳定回路是控制平台姿态的闭环回路，它同修正回路共同作用使平台稳定跟踪当地地理坐标系。

The servo loop is a position stabilization loop of the platform . Revise loop help it to command the platform into alignment with the local present coordinate system .

将雷达量测的数据考虑各种可能的传播模式变换到地理坐标系下，将变换后得到的每一个点称为假设点。

The measurements observed from radar are transformed to geographical coordinates considering all possible propagation modes , and the transformed points in geographical coordinates for each measurement are called hypothetic points .

为了避免加入独立的坐标配准算法，严格推导了天波超视距雷达坐标系与地理坐标系之间复杂的非线性坐标变换关系，得出了相应的变换公式，以直接得到目标在地理坐标系下的状态估计。

To avoid the additional coordinate registration and get target states in ground coordinate , a coordinate transformation between radar coordinate and ground coordinate is proposed for OTHR based on the given ionospheres state .

论文分析了当地水平地理坐标系下的姿态更新算法，研究了大角运动动态环境下，导航参考坐标系相对惯性系转动角速度在载体坐标系下的投影误差影响。

Paper analyzes the the attitude update algorithms of local level frame , and studies the projection error of angular rate of navigation reference frame relative to inertial frame under the large angular motion dynamic environment .

本文应用直角坐标系的旋转变换建立了多轴系统各环节相对于地理坐标系的姿态的数学模型，据此提出了应用电子水平仪测试轴间不正交度的新方法。

The rotate transformation in cartesian coordinate system was applied to measure the interaxial non-orthogonality in multiaxial system , the mathematical model relatively to the geographical coordinate system was created , and a new method of measuring non-orthogonality using electronic level was put forward .

任何物体在一定的地理时空坐标系中都具有空间、时间和属性三个基本要素。

Any object has three basic elements which are space time and attribute in a certain geography space-time coordinate .

地理和投影坐标系都包含对地球形状的假设（一个略扁的球体）；这称为大地基准点。

Both geographic and projected coordinate systems include a definition of the assumed shape of the earth ( a flattened sphere ); this is called the geodetic datum .