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The working principle of reversing radar probe

Click:    date:1970-01-01 08:01:00

 

 

Reversing radar is now many riders will install the matter,reversing radar is based on the principle of ultrasonicreturn values were calculated. The reversing radar probe is the most important part of the reversing radar system.

Ultrasonic wave generated by ultrasonic sensors on the carafter the launch, if the object in a certain range, there is areflection back emission source (surface ultrasonic sensor),host by emission between wave and reflected wave delay time and the acoustic velocity can be measured distance.

When we put the car in gear, car reversing radar started,reversing radar probe emitting ultrasonic signal, anddetection of ultrasonic echo signal. The ultrasonic is emitted from a controller transmits a pulse signal, amplified by the amplifying circuit, by reversing radar probe launch out. When the detected obstacles in the effective range,ultrasonic impact returns will make reversing radar detected by host computer host, after the completion of the results and output to the display or the speaker voice alarmschematic diagram as follows:

 

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