当我们在陌生的地方迷路了,古时的人们会拿出指南针分辨方位,现在的人们更方便了,打开GPS,向左转还是向右转,都有语音说得清清楚楚。这个神奇的GPS是什么昵?它为什么会认识各条大街小巷昵?这个呀,其实也是卫星在起作用,这就是全球卫星导航系统。全球卫星导航系统全球卫星导航系统是团队作战,通常由几十颗导航卫星组成,每一颗都持续发送带有时间和位置信息的无线电信号。信号需要经过一段时间才能到达地面,被人 When we get lost in a strange place, ancient people will come up with a compass to distinguish azimuth, now people more convenient, turn on the GPS, turn left or right, have voices clearly stated. What is the magic of GPS? Why does it know every street? This is, in fact, the satellite at work, this is the global satellite navigation system. Global Navigation Satellite System The global navigation satellite system is a team combatant, usually composed of dozens of navigation satellites, each of which continuously transmits radio signals with time and location information. It takes a while for the signal to reach the ground and be taken