What is a radar sensor? - KJT
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What is a radar sensor?

  • time:2026-05-27 15:37:06
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The radar sensor uses frequency modulated continuous wave (FMCW) radar, which can reliably detect moving or stationary targets, including cars, trains, trucks and cargo, under extreme weather conditions.

Advantages of radar sensors for vehicle detection

1. Long-distance detection

The radar sensor uses continuous frequency modulated wave (FMCW) radar, which can reliably detect moving or stationary targets, including cars, trains, trucks and cargo, under extreme weather conditions.

2. Unaffected by surrounding weather conditions

Unlike photoelectric or ultrasonic sensors, radar sensors are unaffected by wind, rain, fog, light, humidity, and temperature, thus enabling accurate detection in outdoor environments.

For example, trains create a challenging environment for the normal operation of machinery and technical equipment. The passage of a train generates excessive wind, mud, and debris, and can potentially cause impacts. Radar sensors can reliably detect the presence of trains even under adverse conditions. Similarly, radar sensors can reliably detect the presence of large trucks near outdoor loading docks, even in extreme weather conditions.

3. Flexible installation

For train inspection applications, radar sensors offer numerous advantages, including flexible installation. Because radar sensors do not need to be mounted on the train tracks, installation and maintenance are safer and easier compared to other sensing technologies. Furthermore, since radar sensors are not mounted on the tracks, the risk of equipment damage due to high impact forces is lower.

Important Notes

Detecting small targets, such as those with very small gaps between vehicles, can be challenging for radar sensors. Therefore, a common application of radar sensors is detecting train carriages, which are large and predictable in size.

 


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