GPS译成中文是“全球定位系统”,它是一种空间无线电导航系统,它能使位于地球表面及空间上任何位置的用户接收到精确的定位、速度和时间信号,再通过用户的接收终端显示出所在地的三维坐标位置,即经度、纬度和高度。它不受天气、天时、自然地理条件和地面是否有参照物的影响,随时随地的快速、准确地测出地理坐标。 近年来,GPS技术以其快速、高精度、全球、全天候等特点而广泛应用在大 GPS translated into Chinese is “Global Positioning System”, it is a kind of space radio navigation system, it can make users located anywhere on the earth’s surface and space to receive precise positioning, speed and time signals, and then through the user’s receiving terminal Shows the location of the three-dimensional coordinate position, that is, longitude, latitude and altitude. It is not subject to the weather, weather, natural and geographical conditions and the ground whether the reference object, anytime, anywhere rapid and accurate measurement of geographical coordinates. In recent years, GPS technology with its rapid, high precision, global, all-weather features such as widely used in large