R&S®QAR Quality Automotive Radome Tester

Analyzing the quality of automotive radomes in just a few seconds

R&S®QAR Automotive radome scanner - panel including radome mounting table
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R&S®QAR Automotive radome scanner - panel mounted on bottom plate
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R&S®QAR Automotive radome scanner - rear side
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R&S®QAR Automotive radome scanner - mounting table including transmit antenna
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R&S®QAR Automotive radome scanner
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R&S®QAR Automotive radome scanner - panel including radome mounting table R&S®QAR Automotive radome scanner - panel mounted on bottom plate R&S®QAR Automotive radome scanner - rear side R&S®QAR Automotive radome scanner - mounting table including transmit antenna R&S®QAR Automotive radome scanner

Key facts

  • Supports 77 GHz and 79 GHz radar bands
  • Intuitive operation and result interpretation
  • Radar-independent quality test with no need for a golden device
  • Supports all form factors up to 30 cm x 50 cm
  • Comparability with measurements made using a vector network analyzer (VNA)
  • Worlds's first Automotive radome tester

Brief description

Quick and intuitive evaluation of 76 to 81 GHz automotive radomes and bumpers

The R&S®QAR is the ideal tool for characterising automotive radomes and bumpers during R&D and production. Due to its comparability with vector network analyzer (VNA) based measurement setups, the R&S®QAR measurement results are compatible with existing setups for material characterization. The R&S®QAR is simple to operate with measurement results easy to interpret. Its unique features help to significantly speed up the development process of new radomes.

Features & benefits

Measurement of design emblems

Detailed analysis of the homogeneity of automotive radomes in the radar frequency domain.

Using hundreds of antennas, the R&S®QAR creates a spatially resolved image of the reflectivity of automotive radomes in the mmW frequency domain. Parts of the radome with deviation reflection due to e.g. thickness or permittivity differences can be easily identified. Based on a threshold for mean reflectivity and standard deviation, automation software in production can make decisions on well defined pass / fail criteria. Optionally, the 1-way attenuation of the radome is measured.

 

Measurement results for reflectivity and transmission loss
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Measurement results for reflectivity and transmission loss

Comparability of measurements

Comparability of transmission loss and reflection measurements with results using vector network analyzers (VNA).

The recorded results are comparable to reflection and transmission loss measurements using a vector network analyzer (VNA). The transmission and reflection parameters of the DUT are captured with software options R&S®QAR-K10 and R&S®QAR-K50. The measurements are non-destructive and therefore suitable for production and quality assurance tests. Thanks to its imaging capabilities, the measurement contains information regarding the correct positioning of the sample.

Comparable results for reflection measurement using the QAR-K50 Software.
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Comparable results for reflection measurement using the QAR-K50 Software.

Extended homogeneity analysis

Localization of reflectivity variations.

Using the R&S®QAR-K20 software, it is possible to perform an even more detailed analysis of the reflection of design emblems. The upgrade enables the user to freely define an evaluation grid on the measurement results. The mean reflection and its standard deviation can be evaluated in each cell independently.

 

Extended homogeneity analysis
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Extended homogeneity analysis

Mounting position measurement

Determining the mounting position of automotive radar sensors

Automotive radar sensors are usually integrated invisibly behind vehicle bumpers or brand emblems (radomes). For the sensors to operate as expected, they must be installed in the intended location precisely behind the area of the bumper or radome that is transparent to radar signals. The R&S®QAR equipped with the R&S-K100 Software allows pushbutton checking of sensors behind already installed bumpers or radomes for radiation in the right direction and a free view of the surrounding area.

R&S®QAR Quality Automotive Radome Tester
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Mounting position measurement with R&S®QAR

Available options

Hardware options
Product Description

R&S®QAR-Z10

Order number 1336.5401.02

Description

External transmit unit for measurement of 1-way attenuation

R&S®QAR-Z20 Bottom plate

R&S®QAR-Z20

Order number 1336.5418.02

Description

Bottom plate for QAR panel

R&S®QAR-Z30

Order number 1336.5430.02

Description

Calibration kit consisting of calibration cylinder and absorber wall

R&S®QAR-Z40 Verification set radome

R&S®QAR-Z40

Order number 1336.5447.02

Description

Verification set for radome measurements

R&S®QAR-Z41

Order number 1336.5499.02

Description

Verification set for bumper measurements

R&S®QAR-Z42

Order number 1336.5530.02

Description

Verification set for radar positioning

R&S®QAR-Z43

Order number 1343.0230.02

Description

Verification set for single cluster reflection measurement

(only with QAR-K50 software)

R&S®QAR-Z50

Order number 1336.5424.02

Description

Mounting table for QAR-Z10 transmit antenna

R&S®QAR-Z60

Order number 1336.5453.02

Description

Reference reflector for bumper measurement using QAR-K60 software

R&S®QAR-Z61

Order number 1336.5476.02

Description

Stand for reference reflector

Software options
Product Description
R&S®QAR-K10 Software for radome measurement

R&S®QAR-K10

Order number 1336.5501.02

Description

Software for radome measurement

R&S®QAR-K11

Order number 1340.5219.02

Description

OPC client for QAR-K10 radome measurement software

Optional upgrade of an OPC interface for QAR-K10 software

R&S®QAR-K20 grid evaluation of reflection measurement

R&S®QAR-K20

Order number 1343.0030.02

Description

Grid evaluation of reflection measurement

Optional upgrade of grid evaluation possibilities for QAR-K10 software

R&S®QAR-K50 single-cluster measurement

R&S®QAR-K50

Order number 1343.0018.02

Description

Single-Cluster measurement

Optional upgrade of single cluster measurement mode to establish compatibility with material characterization measured on a vector network analyzer

R&S®QAR-K60 Software for bumper measurements

R&S®QAR-K60

Order number 1336.5482.02

Description

Software for bumper measurements

R&S®QAR-K61

Order number 1340.5225.02

Description

OPC client for bumper measurement

Optional upgrade of an OPC interface for QAR-K60 software

R&S®QAR-K100 Software for radar positiniong detection

R&S®QAR-K100

Order number 1336.5518.02

Description

Software for radar positiniong detection

R&S®QAR-K101

Order number 1340.5231.02

Description

OPC client for radar positioning

Optional upgrade of an OPC interface for QAR-K100 software

R&S®QAR-U1

Order number 1343.0501.02

Description

Upgrade to Win10 IOT

Upgrade for existing QAR instrument to Win10 IOT operating system

Related information

White paper: Fundamentals of radome and bumper measurements

This white paper examines how the R&S®QAR quality automotive radome tester can help to test radome and bumper influence on radar sensors.

More information

Download our R&S®QAR App Card

The R&S®QAR is the ideal tool for characterizing automotive radomes and bumpers in R&D and production.

Download now

R&S®QAR Quality Automotive Radome Scanner - Innovation Award

Introducing the R&S@QAR in 70 seconds

Watch an overview video showing the most important applications of the all new R&S®QAR

R&S®QAR - a brief overview

Part 1: R&S®QAR Measurement Preparation

A brief overview on measurement preparation for radome testing with the R&S®QAR.

26-Aug-2019

Part 2: R&S®QAR Normalization

How to normalize the R&S®QAR - trasmission loss and reflection

25-Aug-2019

Part 3: R&S®QAR Verification

How to verify your measurement results with the R&S®QAR

24-Aug-2019

Part 4: R&S®QAR Actual Measurement

How to perform actual measurement with the R&S®QAR.

23-Aug-2019

Part 5: R&S®QAR Interpretation of Reflection Measurement

R&S®QAR - How to interpret reflection measurement results.

22-Aug-2019

Part 6: R&S®QAR Interpretation Transmission Measurement

R&S®QAR - a closer look on your captured data.

21-Aug-2019

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