The Importance of Car Radar Emblem Measurements

The Importance of Car Radar Emblem Measurements

Automotive radar systems must operate in complex, dynamic environments where interactions with the host vehicle and its surroundings impact performance. In particular, the material properties of the vehicle bumpers and location of radar behind or within the bumper, can have a significant impact on their performance.

With the increase in cars manufactured with radar systems and our increased dependency on them, it is becoming critical that manufacturers and after-market service providers have a complete understanding of how specific materials used affect various radar systems at microwave frequencies.

                                           

Anritsu’s application note:

  • provides insight into the theory of frequency-modulated continuous wave (FMCW) car radars, their application, and their placement in a car chassis
  • discusses how various types of dielectric material in front of the radar antennas (e.g., antenna dome or color-coated bumper) influences the radar’s performance
  • describes a way to characterize the 2D insertion loss of flat material slabs and logo emblems that are used today to cover the car radar sensors
  • presents 2D measurements of the dielectric properties of such materials

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