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Ultrasonic Radar For A Home PC System
Part 1 of Paper
....ers, modems, and much more is being
outdated faster than anything else in the world. Just as we buy a new
computer that does what we want, the industry comes out with a new option
on a smaller and better computer. There seems to be so much changing that
unless we invest our life savings into technology, we are consider.... Part 2 of Paper
....nough to build your own ultrasonic radar
station.
Similar to that of a Polaroid, ultrasonic transducers are used in this
type of radar. A rangefinder emits a brief pulse of high frequency sound
that produces an echo when it hits an object. This echo returns to the
emitter where the time delay is measured and thus the result is displayed.
The Polaroid rangefinder is composed of two different parts. The transducer
(Fig. 1) acts as a microphone and a speaker. It emits an ultrasonic pulse
then.... |
| Number of words: 2068 - Approximate pages: 8 |
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