KEYCOM provides solutions in the 300 GHz to 1 μHz frequency range (SHF/EHF/MW/UHF/VHF/ULF).
We undertake designing, manufacturing and measuring. Please feel free to contact us.

Automotive Radar Test/Evaluation/Measurement Systems
(Millimeter Wave,Microwave)

Model No. XRE

Keycom offers a wide range of systems for measuring and evaluating the performance of automotive radars and other mass-produced millimeter wave and microwave radars, including transmit power, frequency, antenna beam alignment, distance accuracy, angle accuracy, and reception performance.

We can build/customize Radar Test Systems (RTS) to evaluate the distance accuracy and power output of radars, and Radar Alignment Systems (RAS) to adjust the mounting position of radars, in accordance with your research and development theme and testing condition.

If you have any questions or requests, please feel free to contact us!!!
👉e-mail: info@keycom.co.jp

【Related Products】

👉Radar Systems / Millimeter Wave Radar / Micro Wave Radar Development and Manufacture
👉Radar Cross Section (RCS) Measurement (Observation, Evaluation) Systems

1. Standard Radar Targets

1-1. Standard Radar Targets (Sphere or Triangular Trihedral) [RES02]   1-2. Silicone phantom (Silicon phantom) [EMA06]
   
Shape SphericalTriangular
Feature No directivity
Easy to handle
Wide directivity
With laser pointer (optional)
  Human body phantom useful for real driving test of a collision avoidance radar, development of radar system, specific absorption rate (SAR) measurement of mobile phone, and for testing wearable communication tools. Its electric constant corresponds to IEEE15528.
  • It is possible to make a phantom to be separated its skin only. Please ask us.
  • Hole drilling is easy.

2. Radar Test / Evaluation / Measurement System for in-vehicle millimeter wave radar

2-1. In-line Radar Test

2-1-1. Radar Function Test System [RFTS01]   2-1-2. Occupied Bandwidth(OBW) Measurement System [OBW01]
This is an in-line system for testing functions of radar e.g. 60GHz, 76.5GHz, and 79GHz types.   Measuring occupied bandwidth of a radar requires monitoring frequency characteristics of the output power, which takes time using equipment such as spectrum analyzer.
Our system can shorten the time by devising circuit configuration.
2-1-3. Waveform Analysis System [ME7220-05/07]    
By connecting this system to RTS, FMCW radar’ s transmission waveform can be analyzed, including frequency, straightness of frequency change, bandwidth, absolute value of electric power etc.
Useful for R&D of radars, evaluating and analyzing radars of unknown specifications.

[Related product]
The radar in the following link is usuful to calibrate this system.
⇒ 76-81GHz Highly accurate FMCW Radar for Calibration
   

2-2. Target Simulator (Passive) (mainly for radar evaluation)

2-2-1. Target Simulator for Collision Avoidance Radar (short range) Passive Radar Test System(Passive RTS) - 24GHz, 76.5GHz, 79GHz  [RAT09]   2-2-2. Polarization Free Target Simulator for Collision Avoidance Radar [RAT15]
KEYCOM provides a passive RTS with a very little frequency dependency in delay time and less insertion loss than a metal waveguide.
Its distinguished features were made possible by applying a dielectric waveguide for its delay line to put its transmission in TEM mode. Available for 79GHZ, 76.5GHZ, and 24GHz.
  This is the delay line with no change propagation loss in any plane of polarization.
  • Free of polarization plane.
  • Low loss.
  • If you frequency change , loss doesn’t change.
  • The electric power isn’t used.
  • 2-3. Target simulator (Active)

    2-3-1.  Active Radar Target Simulator for Collision Avoidance Radar (long range), Radar Test System (RTS)- 24GHz, 76.5GHz, 79GHz ME7220A [RAT01]   2-3-2.  Active Target Simulator for Collision Avoidance Radar (long range) Moving Target System (MT for RT) ME7220E/F [RAT10]
    KEYCOM's ME7220A is a multifunctional radar test system that allows you to verify the radar measurement accuracy of the distance and speed indoors.
    It interfaces with spectrum analyzer and power meter for frequency and power measurements respectively. (2~3GHz for 24GHz and 76.5GHz system, 6~12GHz for 79GHz system)
      ME7220E/G is a collision avoidance radar test simulator that simulates the physical correlation between the radar under test and the car in front, prior to a collision. It not only allows you to test the tracking capability of the radar indoors easily and effectively, but exercises its capabilities for your pre-crash braking system development as well. With an optional function, it automatically activates the ME7220G, the passive moving target, when the simulated distance between the radar and the target is less than 12m, while the active moving target ME7220E is active when the distance is more than 12m.
         
    2-3-3. RTS - DM(Radar Test System Digital Delay)
    Digital-Type Moving Target System [RTS-DM-3]
      2-3-4. Automobile Rear Simulation System [ANT26]

    By combining fully digitalized radar wave response control with analog technology, this highly accurate and functional RTS achieves a minimum distance of 2 m, a distance resolution of 15 cm (25 cm), and RCS control in response to distance changes.

    79GHz (4GHz configuration) analog type is also available.

      The system can simulate indoors reflection waves from the back of a car(target) running in front.
    You can set multiple reflecting points in 3D, and their positional relation can be adjusted automatically according to the distance, such as when the target approaching from a distance.
         
    2-3-5. Moving Antenna System for a test of detection radar of front running cars changing lanes [RAT19]   2-3-6. Radar Test System for BSD(Blind Spot Detection) Radar [SRS01]
    This is a moving antenna system for testing a radar if it can detect cars(targets) in front when changing lanes.
    You need moving target beside this system.
     

    The system enables indoor evaluation of side radar,by receiving signals from the side radar to simulate distance, speed and angle.

         
    2-3-7. Cross-Road Target Simulator [SRS02]   2-3-8. Synthetic Aperture Imaging Radar [RCS20]
    The system can simulate the distance and speed in oblique directions of Remote Vehicle crossing the road behind Host Vehicle, like the case where HV drives out of the garage.  

    The synthetic aperture method enables the acquisition of ultra-high definition images.

    The sensitivity also is excellent, since it is FMCW type.

         
    2-3-9. Imaging Radar(High-sensitivity type) [RCS11]   2-3-10. Quake-proof type Imaging Radar [RCS08]

    This is an upgrade version of RCS05. In addition to higher resolution imaging, camera image and visualized image by the radar can be superimposed for analysis.

     

    The radar can monitor objects with 3D images.
    It is earthquake-resistant and can be mounted on a mobile device such as a car, and with an external SSD, it can record data for 10 hours continuously.

         
    2-3-11. Perimeter Acquisition Radar [RAD81]    

    The radar can observe objects in the entire perimeter (360°). It is ideal for the development of self-driving cars, as it can spot cars and passers-by in rain or fog.

       

     

       

    2-4. Improvement of radar-equipped vehicles

    2-4-1. Lens focus type reflection attenuation amount measurement system [EAS05]    
    Through focusing millimeter wave by a lens to irradiate onto a measurement sample, you can measure reflection amount accurately.
    There are 2 types of this system.
    (1)S11 type : to measure reflected wave amount from transmitting point to the same point.
    (2)S21 type : to measure reflected wave amount from transmitting point obliquely to the other receiving point.
       
         

    3. Support for R&D of Sensor fusion system in autonomous vehicles

         
    3-1. Fusion Test System [SRS05]   3-2. EMC projector [ANTIEMC-PROJECTOR-01]
    Based on the scenario projected on the screen, information such as the distance, speed, and RCS (radio wave reflection strength) of the vehicle in front is sent to the RTS (Radar Test System) and projector, and the response of the radar and camera to this information is inspected and confirmed in the room.
      This is an EMC projector used for EMC tests.
         
    3-3. Autonomous Driving Test System [SDR02]   3-4. ADAS Indoor Test System [ATS02]

    This is a system not only projecting scenarios on a screen, but also testing in-vehicle cameras and radar by using a Fake GPS and car navigation system to synchronize position change information on map due to test vehicle's driving.

    We provide an indoor test environment that is similar to actual vehicle testing on streets.

     

    The main functions related to ADAS (Advanced Driver-Assistance Systems) include ACC (Adaptive Cruise Control), AEB (Autonomous Emergency Braking), FCW (Forward Collision Warning (FCW), Lane Departure Warning (LDW) and Lane Keeping Assist (LKA).

    The system is designed to test these functions indoors.

    3-5. EMC test system for ADAS [ATS01]  
    ADAS vehicles are equipped with a large number of sensors and controllers.
    These are sensitive to electromagnetic interference and can easily lose functionality or fail if the electromagnetic environment deteriorates.
    EMC testing is therefore very important, and necessary to be carried out to ensure that ADAS operates correctly.
       

    4. Outgoing inspection of automobiles

    4-1. Radar, Vertical Beam Misalignment Angle Measurement System[EES-03(SM5899-03)]   4-2. Imaging Radar [RCS09]

    This is a system that adjusts the radar beam direction while observing the horizontal direction of the front of the car and the vertical axis deviation of the radar beam. Even if the radar is behind the emblem and cannot be seen, you can see the height of the radar.

      This is an effective way to check a radar aiming system, which adjust vertical direction of automobile's collision avoidance radar in order it faces parallel to roads.
    If radar wave is reflecting from floors(or something), you fail radar aiming. You can find such unnecessary reflection quickly.
         
    4-3. In-Vehicle Radar Evaluation (Measurement) System [RAT05]   4-4. Rader Test System for Inspection and maintenance [rtss01]
    RAT05 is an evaluation (measurement) system for impulse radars operating at 24 GHz or 76 GHz.
    It also measures the spatial pattern of the electromagnetic wave when the radar is on board.
      It is possible that automotive radars cannot exhibit their optimum functions after long term/distance driving due to misalignment etc, which requires periodical inspection and maintenance.

    5. Inspection / maintenance at car service station, auto dealership etc.

     
    5-1. Rader Test System for Inspection and maintenance [rtss01]   5-2. Monocular camera test system for automobile inspection and maintenance [cts04] 
    It is possible that automotive radars cannot exhibit their optimum functions after long term/distance driving due to misalignment etc, which requires periodical inspection and maintenance.   This is a system for checking indoors whether a vehicle can react timely and appropriately to the information of the car in front, captured by an in-vehicle camera according to scenarios.
         

    6. Radome, Emblem, Radar cover evaluation

           
    6-1-1. Emblem/Radar cover Evaluation System [ees01A]
      One-way type, applicable to production line
      6-1-2. Emblem/Radar cover Evaluation System  [ees04]
      One-way type, varaiable sample setting angle
    Quick evaluation and radar alignment
    (less than 2 seconds)
    ・Aligning automotive radar etc.,
    ・Evaluating material characteristics
    (insertion loss and beam tilt)
      Based on basic performance of EES-01A, the system can adjust setting angle of sample, both in horizontal and vertical direction.
         
    6-2-1. Emblem/Radar cover Evaluation System [ees12-01]
      Two-way type, variable sample setting angle/position
      6-2-2. Emblem/Radar cover Evaluation System  [ees12-02]
      Two-way type, applicable to production line
    The system can measure transmission attenuation and tilt angle of each irradiation point on the sample such as an emblem in the following cases.

    (1)when the sample moves in any direction (Azimath, Range, Elevation)
    (2)when the sample rotates vertically and horizontally

      Simplified version of EES-12-01, fit for mass production line.
    The whole measurement process can be automated from picking up an emblem, measurement, to returning it to the original position.
         
    6-3-1. Emblem/Radar cover Evaluation System [ees13]
      One-way type, reflection attenuation
      6-3-2. Emblem/Radar cover Evaluation System  [ees14]
      Two-way type, reflection attenuation
    The system can specially measure the whole surface of an emblem or any radar cover(round –trip transmission attenuation) and reflection attenuation. Frequency can be adjusted flexibly through VNA.
      Simplified version of EES-13 with fixed frequency, fit for mass production line. It can measure 2-way transmission attenuation.
         
    6-4. Millimeter Wave Cover Beam Tilt Distribution Measurement System [rcs10]   6-5. Simulation software for designing emblem  [sfw05]
    When placing an anti-collision radar behind an emblem, the transmission attenuation and tilt angle (turn angle degree) of the emblem must be reduced.
    This system can visualize the status of these parameters with imaging radar.
      Transmission attenuation of up to four layers can be simulated with permittivity and magnetic permeability. Incident angle variation, TM waves, and TE waves can also be set and it is ideal for designing emblems.

    7. Radio wave absorption sheet

         
    7-1. Radio wave absorption sheet(pyramid) [EMC80]   7-2. Radio wave absorption panel [EMC83]
    Keycom's electric wave absorption sheets are developed and manufactured with highly accurate measurement system for εr', μ'r and wave absorption amount.   This is a radio wave absorption panel which is easy to move.
    We make it according to the desired frequency.
    There are 2 types, one is without caster and other is with caster.
    Moreover, we manufacture radio wave absorption box, radio wave absorption room.
    7-3. Anechoic box [ANB-02]   7-4. Radio wave absorption box [EMC85/EMAB-79G-01]
    This is an anechoic box to measure distance accuracy, power at a target point, angle accuracy of up and down, right and left directions of collision avoidance radars and other small radars.   This is a radio wave absorption box to test radars attached to cars.
    7-5. Anechoic Chamber [EMA-08]   7-6. Anechoic characteristics Evaluation System  [FSSWM02]
    In addition to provide testing system, Keycom proposes the entire test environment,including installation of anechoic chamber.   A system to measure anechoic characteristics in an anechoic chamber.
    The receiving antenna can be moved up, down, left and right electrically, and its angle can be adjusted flexibly for more accurate evaluation.