source:Industry News release time:2023-02-22 Hits: Popular:realtime gps tracker online
The GPS test needs to be tested in the electromagnetic shielding room, using the E4438C \ n5182B vector signal source simulation satellite transmitting signal, adopts a multi -probe test system, and the omnidirectional scanning GPS receiver to receive the GPS signal at different positions. Effective communication between the computer needs to connect the computer and the mobile phone to the same local area network (tested through WIFI) through a wireless router. This solution provides the following five test modes:
1. Multi Satellites (multi -star sensitivity test)
Signal source simulation eight satellite signals are emitted with fixed power. Collect the situation of receiving this GPS signal from different directions in different directions to obtain the ability to receive the GPS signal in each direction of the mobile phone. In the direction where the mobile phone receives the strongest signal, the power of the signal source is hit down to find the critical point power that the mobile phone can locate. Based on the comparison of the obtained critical point power and the ability to receive signal in each direction of the mobile phone, the GPS sensitivity and 3D direction chart of the mobile phone can be calculated.
2. Multi Satellites Estimate (multi -star estimation test)
Assume that the mobile phone can be positioned after a certain GPS signal reaches a certain threshold. Signal source simulation eight satellite signals are emitted with fixed power. The GPS sensitivity and 3D direction diagram of the mobile phone are estimated based on the GPS CN0 received in all directions in all directions.
3. Single Satellites Estimate
Algorithms are similar to multi -star estimates. Single stars estimate simulated a signal of a star for testing. And adjust the signal source power to make the effective readings within the linear range of the signal. This reading can better reflect the ability of the receiving signal of the point. Finally, calculate the sensitivity and 3D direction chart of the GPS signal received by the CN0 value received by a single star in each direction.
4. CN0 Measurement (Single Star CN0 test)
Compared to Single Satellites, this mode does not need to detect whether the current point result is online, and the test result is the arithmetic average of the CN0 when the signal power is -130DB.
5. MSCN0 Measurement (multi -star CN0 test)
After the scanning end of the receiver to receive the GPS signal capacity in each direction of the receiver, find out the points and nan in the non -linear area for re -test until all points are online, and then calculate the arithmetic average of CN0.
Read recommendations:
G09L -6 inch Tail light tracker
The manufacturer summarizes all the functions of the monitoring system
Last article:What are the functions of the GPS positioner? The principle of GPS positioner?
Next article:Really breeding special GPS positioning anti -lost device.fleet management software webfleet solutio
Related Information
pet gps tracker cat Vendor
2023-03-16real-time gps tracking company
2023-04-23Gps speed limiter manufacturer
2023-04-23gps vehicle tracker Manufacturing
2023-04-23fleet gps tracking manufacturer
2023-04-234G GPS Tracker for vehicles company
2023-04-23Cantrack Login
2023-04-11pet gps tracker cat wholesale
2023-03-16Cantrack G05
2023-03-16SecumorePlus
2023-03-16G05N Vehicle Tracker
2022-06-21P60L Personal gps tracker
2022-06-21Mini Sized GPS Tracker PCBA
2022-06-17TK08AL- RFID Car GPS Tracker
2023-10-07G500L -4G OBD GPS Tracker
2022-09-06Manufacturer introduces in detail the component of the car positioner.simple gps tracking wholesale
2023-06-08GPS, more and more closely connected with our life.realtime gps tracker online company
2023-04-18Application of GPS as Satellite Altimeter
2022-08-02GPS Accessories FAQ
2022-08-08LBS(Galileo) positioning
2022-10-25Application in GPS tourism.plug & play Obd gps tracker Processing
2023-05-06What are the GPS signals
2022-09-22Gps speed limiterDoes the ultra small button type GPS locator exist
2023-10-24The difference between the GPS positioner and the navigator
2023-02-25Solar GPS positioning tracker solve worries
2023-02-23GPS receiver product.Magnetic gps tracker wholesale
2023-06-05The manufacturer summarizes the main application scope of Xi'an's long standby GPS.obd2 gps tracker
2023-04-08What kind of gps tracker is easy to use?
2022-09-08International GPS development
2022-12-29Auto mobile monitoring composition.vehicle gps tracker Manufacturing
2023-05-19