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Ultrasonic sensorA sensor that uses the ultra sound wavelength to communicate with a transmitter. In aerial vehicles, ultrasonic sensors are used for calculating the distance to the ground by bouncing sound waves back [..]
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Ultrasonic sensorAlso known as transducers, or transceivers if they both send and receive, these are sensors which assess a target using a principle similar to sonar.
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Ultrasonic sensorA sensor that measures altitude for object avoidance and holding within approximately 1-2cm.
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