神通广大的ＧＰＳ系统“ＧＰＳ”是英文“全球定位系统”的缩写。它是当今覆盖面积最大、使用范围最广、定位精度最高的无线电导航系统。ＧＰＳ系统由导航卫星和用户接收机组成。其工作原理解不复杂：导航卫星在空中运行，连续播发本身的识别码、位置和时间数据；用户接收... The magical GPS system “GPS” is English “Global Positioning System” abbreviation. It is today the largest coverage area, the most widely used, the highest positioning accuracy of the radio navigation system. GPS system consists of navigation satellite and user receiver. Its working principle solution is not complicated: navigation satellite in the air, continuous broadcast its own identification code, location and time data;