当汽车在开行当中时，跟踪设备用三个或四个GPS卫星以三角形定位，然后持续地通过无线电数字传输目标所在的坐标位置。
As the target drives around, the tracking device triangulates its position from three or four GPS satellites, and digitally transmits its coordinates continuously by radio.
三角测量通过以分别作（顶点）的两个已知点和一个未知点形成一个三角形，来求出或定位该未知点，如在航海中。
The location of an unknown point, as in navigation, by the formation of a triangle having the unknown point and two known points as the vertices.
提出了一种适用于球面三角形网格的启发式点定位策略。
A heuristic strategy is presented to solve the point location problem in spherical triangulation mesh.
该系统采用三角形测量原理实现三维精确定位，利用FPGA丰富的查找表结构完成算法。
The system uses the triangle survey principle to realize three dimensional positioning and uses the rich lookup table structure of FPGA to complete the algorithm.
同时提出了快速定位三角形的直线方向定位算法，该算法与一般方向定位算法相比，具有搜索路径唯一，运行稳健的特点。
Furthermore, the paper presents a line oriented locating algorithm for fast locating triangles, which has the advantage of unique path and steady operation compared with other locating algorithms.
本文采用球面三角形原理推导了导航定位误差与陀螺姿态误差的关系式。
The relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle.
本文采用该算法训练人脸面部特征检测器，提取区域的几何中心进行面部特征点定位，获取以双眼和嘴巴为特征顶点的人脸特征三角形。
The thesis uses the method to train face feature classifier, to get the face feature points and build face feature triangle that uses eyes and mouth as vertexes.
该定位系统采用波头计数与零交叉点检测的方法来提高超声测距精度，并通过三角形方法来实现三维定位。
This method enhanced the measuring accuracy by using the methods of wave head counting and zero-cross detection, and it implemented 3-d positioning with triangle square wave.
利用平面三角形的正弦定理，提出一种已知准确船位后的单物标两方位移线定位的计算方法。
This paper presents a method of calculating a running fix with two bearings form one object.
文章对目前常采用的定位方法进行了分析，提出了用双直角三角形阵对声目标进行定位。
The paper analyzes various methods of target location, and presents a method of acoustic target location with a dual righttriangle array.
文章对目前常采用的定位方法进行了分析，提出了用双直角三角形阵对声目标进行定位。
The paper analyzes various methods of target location, and presents a method of acoustic target location with a dual righttriangle array.
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