Servo Magazine (September 2018)

Ultrasonic Radar Refresher — Part 5

By Dan Harres    View In Digital Edition  


So far, we’ve covered the basics of piezoelectric transducers, the transmitter electronics for driving the transducers, and the improved focusing of that ultrasonic energy into and out of the transducer using parabolic antennas. The original intent was for this to be the final article in the Ultrasonic Radar series. In addition to covering the receiver and microcontroller for the project, it was to go into detail about how to create a two-dimensional radar that computes not only range but the bearing (that is, direction). However, the two-dimensional radar topic really needs to be an article by itself, so that will be covered next time.

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