To ensure the satisfaction of new car buyers and to reduce the OEM’s necessary after sales service, radar based ADAS sensors have to work as intended when the car leaves the production line. After the automotive Radar sensors are integrated into the car bumpers, it is extremely important to test the proper functioning and initialization of ADAS sensors during final in-depth testing at the end of the automaker’s assembly line.

Typically cars have one LRR sensor for adaptive cruise control and multiple SRR sensors for collision avoidance systems. All long range radar sensors and short range Radar sensors installed in a car are examined.

The car is placed on a dynamometer. After the car is precisely aligned, the initialization and testing procedure is executed. OEMs use this test to crosscheck that the sensor is correctly integrated into the bumpers to ensure that the antennas illuminate their defined sectors. The car passes the test if the received power level of the radar echo is within a certain range of the expected value.

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Radar sensorsRadar sensors is used in height limit detection
To ensure the satisfaction of new car buyers and to reduce the OEM’s necessary after sales service, radar based ADAS sensors have to work as intended when the car leaves the production line. After the automotive Radar sensors are integrated into the car bumpers, it is extremely important to...