1. Compact appearance, stable performance. The mainframe, such as a cigarette box, can be installed in a very hidden place, and the GPS antenna does not need to be placed outside. Because the Cab...
C/S is also called Client/Server or Client/Server mode. The server usually adopts high-performance PC, workstation or minicomputer, and large database system, such as Oracle, Sybase, Informix or S...
During the whole installation process of GPS, strictly implement all contents of the installation specifications, and prohibit illegal operations; When searching the automobile line, try to keep th...
1. All attributes of navigation related elements: 1) The attributes of each element are complete, as shown below: road: Road name, road function, road material, road number, lane, road width, g...
Solution: A: GPS is the Global Positioning System (full name: Navigation System with Timing And Ranging Global Positioning System, NAVSTAR-GPS). It is a new generation of satellite navigation and ...
It is mainly used for positioning and navigation of moving objects such as ships, cars and aircraft. For example: 1. Ocean navigation and harbor diversion 2. Aircraft route guidance and landing ...
The basic principle of GPS navigation system is to measure the distance between the satellite with known position and the user's receiver, and then integrate the data of multiple satellites to...
1. Space The space part of GPS is composed of 24 working satellites, which are located 20 200 km above the earth's surface, evenly distributed on 6 orbital planes (4 for each orbital plane), ...
The predecessor of the GPS system is a "transit" navigation satellite system developed by the US military. It was developed in 1958 and officially put into use in 64. The system works wi...
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