手机定位是一种通过手机上的位置传感器获取手机所在的真实位置，以及将相应数据反馈给用户的一个过程。
简要介绍了GPS双频精密单点定位数学模型及自主研制的精密单点定位软件。
The mathematic model of GPS dual-frequency precise point positioning and the corresponding program named "GPS-PPP" recently developed by the author were presented.
方法：机器人系统主要由影像引导装置、三维定位软件和智能机械臂等部分组成。
Methods: The robot system was mainly composed of an image guiding device, 3d software and an intellectual mechanical arm.
该GPS接收机通过一个GPS中频数据采集器与计算机上的定位软件配合使用实现定位功能。
A software-defined GPS receiver design and development is presented in this thesis, based on the technical approach using GPS IF data collector associated with PC-based positioning software.
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