1. Formed a satellite Beidou Positioning: The space section of the Beidou satellite navigation system consists of 5 static orbital satellites and 30 non -static track satellites. China plans to c...
The Satellite navigation that guides car drivers has the following four important factors: satellite signal, signal reception, signal processing and map database. Vehicle navigation satellite sig...
1. Chip selection As a navigation product, its core must be its ability to receive satellites, that is, its ability to take over information signals. 2. Choose a brand Purchasing products from ...
1. Front and rear bumpers: Many GPS positioning companies recommend installing GPS locators inside the bumper. One reason is that the bumper is concave and convex, suitable for installing locators...
1. Wiring type. At present, most of the GPS positioners on the market are still wiring and need to connect the automotive power line to provide power. Therefore Slow search is also a good way. How...
1. Covering range: Beidou navigation system is a regional navigation system covering China. The coverage is about 70 -140 east and 5 -55 north latitude. GPS is a global all-weather navigation ...
Many car owners are more curious when the memory card is full, will the driving recorder work normally? Needless to say, of course, it is not possible. The essence of the recorder is a small video...
1. GPS receiver antenna The GPS receiver antenna consists of two parts: antenna unit and front amplifier. The role of antenna is to convert the weak electromagnetic wave energy of the GPS satelli...
1. Principle of position difference This is the simplest differential method, and any GPS receiver can be modified and composed of this differential system. After observing four satellites, the G...