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What Is Radar
Part 1 of Paper
....d comes from the first letters in the term
"radio detection and ranging.""Detection," as used here, means finding an
object or target by sending out a radio signal that will bounce back off
the target as a radio echo. "Ranging" means measuring the distance to the
target from the radar set(the device tat sends out the .... Part 2 of Paper
....l street traffic and assist the
police in finding speeding automobiles.
Radar sets come in many sizes. A small set, made for use in a guided
missile, is not much larger than a coffeepot. The larger sets used to study
distant planets may oupy a building many stories high. The size of a radar
set depends on the job it is expected to do. But all radar sets, regardless
of their size, use the principle of the echo.
How Radar Works
Radar sets produce radio signals. They radiate(send out).... |
| Number of words: 2203 - Approximate pages: 9 |
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