What is the principle of car GPS?

Car GPS is a must-have in every new car, so do you know what the car GPS principle is?

The car navigation system is mainly composed of a navigation host and a navigation display terminal. When the driver enters the location to be reached, the navigation system enters the working state. First, the built-in GPS antenna of the car navigation system receives the data information transmitted by at least 3 of the 24 GPS satellites orbiting the earth, thereby determining the current location of the car; secondly, the car navigation host passes the GPS satellite The position coordinates determined by the signal are matched with the electronic map data to determine the exact position of the car in the electronic map; finally, the most suitable route is automatically calculated according to the electronic map, and the car navigation system transmits the information to the driver through the navigation display terminal. And remind the driver to follow the calculated route while the vehicle is running; when the car deviates from the route, the car navigation system will recalculate the path information. Throughout the driving process, the driver can reach the destination accurately and quickly by following the voice prompts of the car navigation system.