What does it mean when a car radar displays red?
1 Answers
It indicates that the distance to the obstacle is close. Car Radar: As the name suggests, car radar is used for automobiles or other ground motor vehicles. Therefore, it includes various radars based on different technologies (such as laser, ultrasonic, microwave), with different functions (such as obstacle detection, collision prediction, adaptive cruise control), and employing different working principles (such as pulse radar, FMCW radar, microwave impact radar). Microwave radar holds significant commercial importance in automotive radar systems. Demand for Car Radar: The demand for car radar can be understood from three levels. From a national perspective, statistics on injuries, fatalities, and property damage caused by vehicle accidents, along with estimates of how many accidents can be prevented by technological aids, have spurred the development of automotive radar. The cost-benefit ratio between the economic losses caused by these accidents and the continuously declining cost of automotive radar fully demonstrates its potential for widespread application. From the perspective of car manufacturers, radar is another attractive feature for consumers, representing a potential revenue source and competitive advantage. Moreover, regulatory and public sectors may also require safer vehicles. From the car owner's perspective, automotive radar, as a safety device, is convenient and not very expensive, making it appealing to consumers. It also has more practical significance—it can take over tasks requiring attention, judgment, and technical skills, thereby reducing driving intensity and easing the driver's burden.
