What is the Principle of Automotive Radar?

[LeZane]

Automotive radar operates on the principle that the radar device emits electromagnetic wave signals. If these signals encounter a target object, they are reflected back as echoes. The radar receiver then captures these echo signals, which contain information about the target's distance, direction, and speed. After the radar antenna receives the reflected waves, they are sent to the receiving equipment for processing to extract certain information about the object. Additionally, the angle of the target can be measured based on the radar's emitted beam. Relevant information about automotive radar is as follows: 1. Introduction: Automotive radar, as the name suggests, is used for cars or other ground motor vehicles. Therefore, it includes various types of radar based on different technologies (such as laser, ultrasonic, and microwave), each with different functions. 2. Collision Avoidance Radar: This type of radar can measure potential hazardous obstacles on the road ahead of the vehicle based on its current direction and speed. It is particularly useful in conditions of low atmospheric visibility or when practical judgment is compromised (e.g., short following distances or high speeds).