source:truck tracking webfleet solutions release time:2023-02-03 Hits: Popular:realtime gps tracker online
The positioning accuracy of the GPS module depends on many aspects. For example, the satellite clock difference and orbital difference from the GPS system, the number of visible GPS satellites and geometric distribution, solar radiation, atmosphere, multi -diameter effects, etc. In addition, the same GPS module will also produce different positioning errors due to antenna and feed quality, antenna location and direction, testing time period, open sky and direction, weather, PCB design and other reasons. Even when the same manufacturer of the same manufacturer is tested at the same time when different GPS modules are used to use an antennaer at the same time, the static drift volume will be different.
The GPS module is often used as the time benchmark in actual applications, supplemented by the RTC inside the module, which can obtain a very high -precision time reference, which provides a great convenience for product design. As for the GPS speed measuring, it is only an expansion application based on the basis of obtaining latitude.
The common antennas of GPS are ceramic flat antennas. This antenna costs low. There are large circuits on the outside, with a single signal direction and a relatively high gain, so the most adopted. But its disadvantage is that the volume is large, and it is easy to be affected by temperature and causes frequency. If the ceramic area is small, it will affect the receiving gain; if it is thin, it will affect the receiving bandwidth of the receiving antenna, and it will also be mostly affected by the source. At present, the effect of good use is 25 × 25 × 4mm3. The ceramic antenna is the best effect when placing vertically upward in actual use.
The signal transmission line of the GPS antenna is also very important, including external feedback lines and PCB wiring. The output power is only possible when the impedance matching. Therefore, the entire transmission line must ensure a 50Ω high -frequency impedance. For how to design RF wiring impedance on the PCB, some small software can help you calculate it easily.
Read recommendations:
Installation steps for GPS locator.gps tracker for kids Solution
Last article:GPS Logistics Tracking and Monitoring Application Solution
Next article:GPS module performance
Related Information
CantrackGPS
2023-03-16fleet gps trackers sales
2023-04-23pet gps tracker cat custom
2023-04-23Asset GPS Tracker
2023-03-16gps tracker für auto webfleet solutions
2023-04-11real-time gps tracking distributors
2023-04-234G GPS Tracker Manufacturing
2023-04-23cat gps tracker
2023-04-114G GPS Tracker sales
2023-04-23gps vehicle tracker Vendor
2023-04-23G03
2022-06-21TK100 (GT06) Vehicle Tracker
2022-06-20TK103B
2022-06-20TK08A Motorcycle GPS Tracker
2022-06-20GF30 Magnet GPS tracker with Voice listen
2022-06-21What size GPS should you choose
2022-08-09Positioning accuracy of GPS module
2023-02-03Design of GPS Vehicle Satellite Positioning Simulation System
2022-12-06GPS positioner application in logistics management
2023-02-08Xiaobian Xiaobian tells you the role of the truck installation of the Beidou positioning system.plug
2023-04-25GPS navigation satellite has a high-precision atomic clock for time service
2022-12-29How to distinguish the GPS driving recorder and driving recorder?fleet tracking webfleet solutions
2023-03-21What should I pay attention to when purchasing GPS products?
2022-11-24The application and implementation of CAAC BeiDou is divided into three stages.car gps tracker Manuf
2023-06-13The application process of GPS positioner in car loans is as follows.vehicle gps tracker Manufacturi
2023-03-17Handheld GPS instrument function.simple gps tracking company
2023-07-17Fleet management.Analysis of users' demand for monitoring services of car GPS positioning systems
2023-11-03Application introduction in GPS Meteorology.obd2 gps tracker verizon Production
2023-05-06GPS setting RF front end
2022-11-08Navigator classification.Mouth and word buckle price
2023-06-06