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超声波测距原理
超声波测距是通过不断检测超声波发射后遇到障碍物所反射的回波,从而测出发射和接收回波的时间差t,然后求出距离S=Ct/2,式中的C为超声波波速。 -Ultrasonic Distance Measurement Ultrasonic Distance Measurement principle of continuous detection of ultrasound through the encounter after the launch of the echo reflected from obstacles in order to detect the launch and receive the echo time difference t, and then calculated the distance S = Ct/2, the C-type for the ultrasonic wave velocity.
超声波测距是通过不断检测超声波发射后遇到障碍物所反射的回波,从而测出发射和接收回波的时间差t,然后求出距离S=Ct/2,式中的C为超声波波速。 -Ultrasonic Distance Measurement Ultrasonic Distance Measurement principle of continuous detection of ultrasound through the encounter after the launch of the echo reflected from obstacles in order to detect the launch and receive the echo time difference t, and then calculated the distance S = Ct/2, the C-type for the ultrasonic wave velocity.
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