The basic idea of AGPS is to set up a number of reference GPS receiving machines in a position with a good satellite signal receiving effect, and use the AGPS server to obtain the thick position o...
The GPS navigator is an instrument that can accurately location through the GPS positioning system and can calculate the destination itinerary. The GPS system consists of three parts: space satell...
(1) Press the bracket into the splint and push upward; (2) Tore off the plastic film at the bottom of the bracket, and the plastic seat vertically pressing the windshield to squeeze out the air i...
The basic principle of GPS positioning is based on the instantaneous calculation data of the instantaneous position of the high -speed movement, and the method of the space distance is used to det...
The first stage is the project demonstration and preliminary design stage. From 1973 to 1979, four test satellites were launched. The ground receiver and ground tracking network are developed. Th...
Engineers who have studied UAVs must know that GPS positioning system is one of the key technologies to support the safe flight of UAVs. The UAV knows its precise position when transmitting video ...
In 1957, Sputnik satellite was launched by the Soviet Union, which was the first artificial satellite in human history. In the Second World War, the Massachusetts Institute of Technology Radio Lab...
The Global Positioning System is the second generation of American satellite navigation system. It is developed on the basis of meridian navigation satellite system, and it adopts the successful e...
Precise timing: widely used in observatories, communication system base stations and television stations Engineering construction: GPS equipment is widely used for engineering survey in the const...