RT-RCR-200A：Compact field measurement systemFor the measurement of vehicle-borne radar, 5G communication, especially millimeter-wave passive/active antenna products, the feedback source of the compact field system radiates spherical wave at the focal point of the reflector. After the reflection of the specially designed reflector, a plane wave environment is generated in the static area to meet the requirements of antenna measurement, which solves the difficult problem of traditional far-field measurement due to long-distance.一、Characteristics of Compression Field1. The compact field features support passive antenna measurements: 2D/3D pattern, gain, sidelobe level, beam width etc.2. Supporting source antenna measurements: 2D/3D pattern, TRP, EIRP, TIS, EIS, etc.3. Support the Amplitude and Phase Calibration Function of Phased Array Antenna4. ** Static zone amplitude ripple index5. ** Static zone phase fluctuation index6. Optimal dynamic range7. Optimized Antenna Darkroom Size8. Curling edge has better static zone performance than sawtooth edge9. Upgradable RCS Test Function二、Crimped reflectorReflector is the key component of the compact field system. This system adopts the single-reflector with curling edge, and uses aluminium as the basic material of the reflector. It is machined by high precision milling machine as a whole, with high surface precision.The surface accuracy of the reflector is 12 um, which is directly related to the high frequency performance of the compact field. For 100GHz frequency, the path mechanical deviation of the system reaches 1/100l to meet the test requirements, i.e. 0.03mm. Considering the mechanical installation accuracy deviation and temperature effect on the deformation of the system, the surface tolerance of the reflector must be less than 20um, and the surface tolerance of the reflector provided by the system can meet the test requirements.Because the reflector is a high-precision mechanical component, it is necessary to prepare a dedicated high-stability reflector bench.四、Shrinkage Field System SpecificationModelReflector sizeStatic zone sizefrequency rangeAmplitude taperingAmplitude ripplePhase fluctuationCross polarizationRT-RCR04040×40cm20cm20-300GHz1dB±0.5dB±5°30dBRT-RCR06060×60cm30cm10-300GHz1dB±0.5dB±5°30dBRT-RCR120120×120cm60cm4-300GHZ1dB±0.5dB±5°30dBRT-RCR150150×150cm75cm4-300GHZ1dB±0.5dB±5°30dBRT-RCR180180×180cm90cm4-300GHZ1dB±0.5dB±5°30dBRT-RCR240240×240cm120cm3-300GHz1dB±0.5dB±5°30dBRT-RCR300300×300cm   150cm2-200GHz1dB±0.5dB±5°30dBRT-RCR360360×360cm  180cm1-200GHz1dB±0.5dB±5°30dBRT-RCR640640×640cm  320cm0.6-200GHz1dB±0.5dB±5°30dB五、System feedIt can provide a standard bandwidth feed, but also customize the design of broadband feed and bipolar feed according to user requirements, in order to improve the measurement efficiency of the system and the special needs of users.六、System TurntableAccording to the specific test needs of users, the corresponding turntable system is provided, such as different turntable designs for vehicle-borne radar, 5G terminal and 5G base station.七、Radio Frequency LinkThe RF link system of compact field is designed with Keysight test instrument as the core. Passive antenna measurement takes PNA network analyzer as the core; active antenna measurement takes signal source analyzer and signal generator as the core; at the same time, in order to improve the dynamic range of the system, the system provides two modes of radio frequency links: direct-pass and mixing-frequency radio frequency links; at the same time, it also supports the upgrading of radio frequency links based on existing user testing instruments.                                                                Figure: Keysight network analyzer, signal analyzer八、Systems softwareThe system provides perfect test software for passive antenna/active antenna system.Passive antenna testing software supports the measurement of 2D/3D pattern, gain, efficiency, sidelobe level and other parameters.Active antenna test software supports EIRP, bandwidth, phase noise, modulation signal, and other parameters measurement.The software supports user-defined development of DUT communication protocol, supports automated testing and generates user-formatted test reports.

Radar far-field measurement system：RT-FFS-100A一、Far Field Design PrincipleFor the far-field measurement field, the distance between the antenna and the probe must be long enough to satisfy the antenna radiation in the plane wave region. This distance is related to the aperture of the antenna and the wavelength of the measured frequency. The formula is accepted by the industry.：L：Distance measurement in far fieldD：Measuring the aperture size of antennaλ：Wavelength corresponding to measurement frequency Figure: Diagram of antenna measurement distanceFrom the above formulas, we can see that far-field measurement technology often needs long enough measurement distance because of large aperture antenna measurement.The formula of the test moment deviation from the far-field phase condition measured by RCS of antenna and target is as follows：D：Interface dimensions of antennas or targetsλ：wavelengthf：frequencyc：Light speed   The wavefront phase difference incident on the antenna/target interface under this moment departure is as follows：，The farther the moment is, the smaller the phase difference is. It is generally believed that the test moment distance is satisfied.Under these conditions, the antenna test error is acceptable.Calculate the far-field conditions below according to the user's product parameters： Test Moment Departure Satisfying Far Field Conditions（m）Test frequency（GHz）24GHz76GHz81GHzAntenna aperture size（cm）5cm0.40m1.27m1.35m8cm1.02m3.24m3.46m10cm1.60m5.07m5.40m 二、Characteristics of Far Field SystemFar-field system testing is intuitive, simple and convenient；More suitable for radar target simulation scene testing；Despite the large size of darkroom, the far-field system has a high overall cost performance ratio.三、System TurntableAccording to the specific test requirements of users, a special turntable for millimeter wave radar test can be provided； 四、Radio Frequency LinkThe RF link of this system is designed with Keysight brand test instrument as the core, the passive antenna measurement is based on PNA network analyzer, and the millimeter wave radar product RF link is based on signal generator, spectrum analyzer and radar target simulator. At the same time, it supports user-defined instrument upgrade.    Figure：KeysightNetwork analyzer and radar target simulator五、Systems softwareThe system provides perfect testing software for passive/radar product system：Passive antenna test software: support 2D/3D pattern, gain, sidelobe level, efficiency, beam width, and other parameters measurement；Radar product measurement: Tx transmitting 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, automation system and user-formatted test report generation；

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 Characteristics1. 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 Vehicle4. The combination of near-field, far-field and compact field technology constitutes the measurement of multiple types of antennas5. Supporting passive/active FM antenna measurement6. Supporting 2G, 3G and 4G measurements of cellular communication antennas7. Supporting navigation GNSS antenna BD , GPS, isometric measurement8. Supporting 24 GHz, 77 GHz and 79 GHz system measurements of vehicle-borne radar9. Supporting Vehicle-mounted V2X Antenna Measurement Upgrade10. Support 5G antenna SUB6GHz, millimeter wave antenna measurement upgrade二、 System TurntableAccording to the specific test needs of users, it can provide a variety of load-bearing test turntables. 三、 Radio Frequency LinkThe 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 softwareThe 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.

RT-RTS-300A-Radar target simulation measurement systemSystem backgroundMillimeter wave radar sensor has been widely used in the field of vehicle assistant driving and intelligent transportation to detect pedestrians and vehicles to achieve anti-collision warning. Typical application of 24 GHz, 60 GHz, 77 GHz, 79 GHz millimeter wave radar sensors can measure and distinguish different objects. Millimeter wave radar sensor RF antenna, transceiver system and whole radar system are important indicators of millimeter wave radar sensor, which need to pass the comprehensive test system test to verify the performance of millimeter wave radar.Characteristics of far field systemSupport a variety of radar products：24GHzradar、60GHzradar、77GHzradar、79GHzradarupport radar bandwidth：250M@24GHzradar、4G@60GHzradar、1G@77GHzradar、4G@79GHzradarRadar target range simulation range：10meters~350meters（For a shorter distance, please contact Rongsheng Technology）Reach target speed simulation range：±500km/hReach target RCS Dynamic Range：60dB（For a higher dynamic range, please contact Rongsheng Technology）Single target, multi-target simulationStatic target and dynamic target simulationSupport TX transmission signal quality parameter measurement of radar productsSupport RX receiving performance parameter measurement of radar productsSupport radome parameter measurementSupport radar chirp signal waveform measurementSupport the anti-jamming ability measurement of radar productsSupport vehicle multi-sensor fusion measurementsystem compositionMicrowave darkroom (customized according to the system)System turntableDUT tested Parts TurntableRadar target simulatorRF linkRadar target simulatorTesting and measuring instrumentsSystem RF linkSystem calibration kitOther supporting facilities of the systemSystems softwareTest system basic softwareRadar target simulation test softwareRadar TX test softwareRadar RX test softwareRadome test softwareRadar chirp signal analysis softwareMulti sensor test softwareSystem turntableAccording to the user's specific test requirements, a special turntable for millimeter wave radar test can be provided；RF linkThe RF link of the system is designed with key brand test instrument as the core, radar target simulator as the main body, and other options required for corresponding measurement parameters, such as spectrum analyzer, signal generator, digital oscilloscope, millimeter wave mixing module, millimeter wave frequency multiplication module, so as to form a complete RF link of the measurement system. At the same time, it supports the upgrade of user-defined instruments；   Figure: Keysight spectrum analyzer, radar target simulatorSystems softwareThe system provides a complete radar product system test software:Radar target simulation test software: radar target distance, velocity, RCS parameter measurement; radar target resolution performance measurement; single target, multi-target dynamic simulation scene measurementRadar TX test software: radar transmission frequency, bandwidth, gain flatness, etcRadar chirp signal analysis software: chirp signal modulation linearity of radar productsMulti sensor test software: millimeter wave radar, camera, ultrasonic radar, laser radar

QA4590ARadar temperature and humidity test systemVersion: V3.0一、 System design principleMillimeter wave radar will be applied to various scenes, and the scene temperature will span a wide range, and the influence of different temperature and humidity on the performance of radar is severe. Especially, millimeter wave radar, as an important sensing sensor of automatic driving, is related to personal safety. So it is very important to verify the performance of millimeter wave radar in different temperature and humidity environment.According to the application requirements of users, the system of testing Tx direction diagram and power diagram of radar in a specific environment of temperature and humidity box is designed to verify the stability of radar detection performance in different temperature and humidity environment.二、Characteristics of far-field system meets the vehicle gauge temperature and humidity test standard: GB/T 28046.4-2011 System test is intuitive, simple and convenient; frequency range: Compatible with various radar standards supports radar passive antenna/active product directional diagram parameter measurement supports measurement of radar product rf signal quality parameters supports radar product target simulation parameter measurement supports temperature shock experimental parameter measurement of radar product三、 main technical indicators compatible radar standard: 24GHz, 60GHz, 77GHz, 79GHz (associated with system RF link) temperature range: -45℃ - +95℃ (other temperature range can be customized) temperature stability: ±1℃ temperature uniformity: ±2℃ heating rate: ≧2℃~3℃/min cooling rate: ≧1℃/min humidity range: 10%-98%RH Humidity stability: ±2% RH temperature uniformity: ±3% RH temperature and humidity box effective volume: ≧1.0m3 level Angle range: ±80 degree Angle accuracy: ±0.1 degree transparent wave loss: ≦1dB@60GHz-90GHz system dynamic range: ≧50dB@60GHz-90GHz absorbing material vertical absorption: ≧45dB@20GHz~90GHz use temperature: 0℃~+45℃ storage temperature: -25℃~+70℃ Uses humidity: 5% to 95% RH uses power: 380V±10%, 50Hz四、 System compositiontemperature and humidity boxmillimeter wave transparent sphereabsorbing material environmentSystem System turntableSystem RADIO frequency link test system software五、Radio frequency linkThe radio frequency link of the system is compatible with Keysight brand test instrument, and the passive antenna measurement is based on PNA network analyzer. The rf link of millimeter wave radar products takes signal generator, spectrum analyzer, digital oscilloscope and radar target simulator as the core. At the same time support user - defined instrument upgrade;Figure 1: Test system RF link六、System softwareFigure 2: Test system software direction diagram interfaceFigure 3: Test system software power diagram interfaceThis system provides complete passive/radar product system testing software: antenna testing software: 2D/3D direction diagram, gain, sidelobe level, efficiency, beam width, etc.Tx signal quality analysis: 2D/3D direction diagram, gain, bandwidth, phase noise, FMCW modulation linearity, etcTx signal quality analysis: 2D/3D direction diagram, frequency, sensitivity, and other parameters radar target simulation: range, velocity, RCS range/accuracy/resolution, static/dynamic target simulation, power diagram software supports user-defined development of user DUT communication protocol, supports automation system and generates test report in user format;