Servo Magazine ( July 2018 )

Ultrasonic Radar Refresher — Part 4

By Dan Harres, Max Harres    View In Digital Edition  

This is the fourth article of our ultrasonic radar series. So far, we’ve covered the basics of piezoelectric transducers, the transmitter electronics for driving the transducers, and the improved focusing of the ultrasonic energy into and out of the transducer using parabolic antennas. This article focuses on the actual building of the parabolic antenna (the reflector) for the ultrasonic sensor.


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