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Ultrasonic Radar For A Home PC System
Beginning of paper
One of the fastest changing and most expensive fields, is that of
technology. Our computers, printers, 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outdated faster than anything else in the world.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 .... Middle of paper .... and even themselves on their PC screen. Just to impress a
neighbour or friend is reason enough 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 ....
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Number of words: 2068 Number of pages: 8 (approx. 250 words per double-spaced page)
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