source:truck tracking webfleet solutions release time:2023-06-08 Hits: Popular:realtime gps tracker online
1. Use three -frequency signal
GPS uses a dual -frequency signal, and Beidou uses a three -frequency signal. Based on the differences that the dual -frequency carrier signal is affected by the delay of the ionization of the electrical layer, the effect of the ionization layer on the electromagnetic wave signal can be weakened by calculating the ionization layer delay.
The use of three -frequency signals can better offset the high -level error of the ionizer, the positioning is more accurate, and when a certain frequency point cannot be used, the dual -frequency can be switched. This is the post -issuing advantage of Beidou.
2. Combination of active positioning and passive positioning
The active positioning refers to sending the location information to the satellite during the positioning process, and the passive positioning receiver does not need to send information to the satellite. Under the active positioning technology, as long as there are 2 satellites, you can locate, and at least 4 satellites must be available under normal passive positioning to achieve positioning. In some cases of poor searches in some environment, the superiority of active technology is reflected.
3. Short newspaper communication service
This is a unique technology in China. The so -called shorthe newspaper refers to the two -way information transmission between the user terminal and the satellite through satellite signals, which is more suitable for communication in emergencies. During the 2008 Wenchuan earthquake, the only way to communicate in the earthquake area was the Beidou generation.
4. Domestic monitoring
The Beidou III system first uses the measured star link technology of the KA frequency band. This technology enables all Beidou satellites into a large net. Each star can "call", can be ranged, one -star, star -oriented, which greatly improves the accuracy of satellite positioning. In addition, the star -carrier clocks of each satellite can be synchronized to improve the accuracy of the time synchronization of the entire navigation system.
Read recommendations:
real-time gps tracking distributors
P02L Smart Walkie-Talkie Tracker
What is the Beidou GPS positioner?gps tracker no monthly fee distributors
Last article:Summarized the application of Beidou satellite.Car gps tracking distributors
Next article:Compared with the difference between Beidou positioning and GPS positioning.cat gps tracker Manufact
Related Information
pet gps tracker cat Vendor
2023-03-16fleet gps tracking distributors
2023-04-23Dog gps tracker Production
2023-04-23gps vehicle tracker Factory
2023-04-11real-time gps tracking supplier
2023-04-23gps tracker fur auto webfleet solutions
2023-03-16obd2 tracker
2023-03-164G GPS Tracker maker
2023-04-23Dog gps tracker custom
2023-04-23Cantrack Login
2023-04-23personal gps tracker Production
2022-09-06G02M Pet Tracker
2022-06-19G08L - 4inch Smart Tail Light Tracker
2022-06-20Mini Sized GPS Tracker PCBA
2022-06-17TK08A Motorcycle GPS Tracker
2022-06-20Auto GPS information and mobile phone interconnection.gps tracker no monthly fee Factory
2023-05-18GPS application
2022-08-01Auto mobile monitoring composition.vehicle gps tracker Manufacturing
2023-05-19Precautions for installation of 4G wiring GPS positioner.obd2 gps tracker verizon wholesaler
2023-04-11The following aspects mainly affect the performance of GPS antenna
2022-11-12What daily life can GPS vehicle positioning terminals be applied?
2023-04-03GPS Global Satellite Positioning System
2022-10-10Precautions for electric vehicle motorcycles to install GPS positioner.realtime gps tracker online w
2023-03-11The significance of GPS monitoring and scheduling system.realtime gps tracker online wholesaler
2023-08-07The advantages of the Beidou satellite positioning system.fleet gps tracking Production
2023-06-08What does the 20 channel GPS module mean?gps vehicle tracker Processing
2023-07-11Car gps manufacture!The benefits of the elderly wearing GPS positioner
2023-02-18What is the difference between the Internet of Things card or mobile phone SIM card used?truck track
2023-03-23GPS positioning cannot break through due boundaries.gps tracker device Processing
2023-06-13Which vehicles are the on-board GPS locator terminals applied to.gps vehicle tracker
2023-10-07