Vehicle antenna measurement system: RT-CAR-400A
With the attention of ADAS and ITS, it is more and more necessary to measure the vehicle antenna effectively. The frequency range covered by the antenna is so wide: 70MHz ~ 81GHz, which poses a space challenge to the antenna measurement system.
Based on many years of technical accumulation in the field of antenna measurement, technical experts of Radiation-test have designed corresponding antenna measurement systems with different characteristics, and solved the difficult problem of large aperture passive/active antenna measurement.
一、 System Characteristics
1. Supporting passive antenna measurements: 2D/3D pattern, gain, sidelobe level, beam width, etc.
2. Supporting active antenna measurements: 2D/3D pattern, TRP, EIRP, TIS, EIS, etc.
3. Design of Heavy Turntable,** Match the Load and Accuracy Requirements of the Vehicle
4. The combination of near-field, far-field and compact field technology constitutes the measurement of multiple types of antennas
5. Supporting passive/active FM antenna measurement
6. Supporting 2G, 3G and 4G measurements of cellular communication antennas
7. Supporting navigation GNSS antenna BD , GPS, isometric measurement
8. Supporting 24 GHz, 77 GHz and 79 GHz system measurements of vehicle-borne radar
9. Supporting Vehicle-mounted V2X Antenna Measurement Upgrade
10. Support 5G antenna SUB6GHz, millimeter wave antenna measurement upgrade
二、 System Turntable
According to the specific test needs of users, it can provide a variety of load-bearing test turntables.
三、 Radio Frequency Link
The radio frequency link of the system is designed with Keysight brand test instrument as the core, the passive antenna measurement is based on PNA network analyzer, the cellular communication products 2G, 3G, 4G, 5G, V2X measurement is based on UXM communication comprehensive test instrument, and combined with vector signal generator, vector signal analyzer, radar target simulator, digital oscilloscope and audio analyzer to complete the vehicle ownership sky. Measurement of the parameters of the passive/active antenna.
Figure: Keysight Network Analyser, Communications Comprehensive Tester
四、Systems software
The system provides perfect passive/radar product system testing software:
Passive antenna test software: support 2D/3D pattern, gain, sidelobe level, efficiency, beam width, and other parameters measurement;
OTA communication product measurement: TRP, EIRP, TIS, EIS, etc.
Radar product measurement: Tx transmits 2D/3D pattern, gain, bandwidth, phase noise, modulation linearity, etc.
Rx receives 2D/3D pattern, frequency, sensitivity, etc.
The software supports user-defined development of DUT communication protocol, supports automation system and generates user-formatted test reports.
