Professional high-quality GPS tracker manufacturer from China. Cantrack delivers 16-year expertise in Fleet&Assets tracking. Real-time monitoring & anti-theft for vehicles, global assets.
For C/A code, the navigation signal is composed of 25 frames of data, and each frame contains 1500 bits [2]. In addition, each frame can be divided into five groups of 300 bit sub frames. When the...
Due to the GPS_ The GPRS positioning system involves the application of GPS satellite positioning technology and GPRS general packet radio service. Therefore, in the composition of the system, GPS...
The role of the auto navigation system is to calculate the driving route by referring to the electronic map according to the current position of the vehicle provided by the GPS receiver, the vehic...
In 1994, the GPS system was basically completed, becoming a global shared spatial information resource and an important part of the spatial information system. Compared with other navigation and p...
The basic principle of GPS navigation system is to measure the distance between the known position of the satellite and the user's receiver, and then integrate the data of multiple satellites ...
1, positioning monitoring function: in the global scale, real-time continuous monitoring target, to achieve 24/7 positioning monitoring, positioning accuracy within 5 meters. 2. Electronic fence ...
GPS requires three satellites for accurate positioning, but since satellite clock frequencies are different from those of the receiver (satellites use rubidium and cesium clocks, which are highly ...
High-end technology: Based on electronic map and GPS positioning technology development, strong technical support, platform stability, GIS map engine, fast query speed Clear positioning: A manage...
Differential GPS (DGPS) is to install a high-precision GPS receiver at a location that is accurately determined to form a base station. The position measurement error or pseudo-range measurement...
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