February
2005, Issue 175
Test Your EQ
Each
month, Test Your EQ presents some basic engineering
problems for you to test your Engineering Quotient.
What's your EQ?
|
Problem
1Delay-line
memories:
- analog: acoustic,
CCD (discrete time)
- digital: MOS shift register,
bubble memory (!), rotating media (?)
What
are delay-line memories? How many examples can you think
of?
Answer
Problem
2—What is a right-hand coordinate system?
Answer
Problem 3—How do you translate from polar coordinatesQ (longitude),
f (latitude),
and R (radius)to rectangular coordinates (x, y, and z)?
Answer
Problem
4—How do you translate from rectangular coordinates
to polar coordinates?
Answer
Problem
5—What is an ECEF coordinate system?
Answer
Problem
6—Getting back to basics, what are the basic relationships
that an oscilloscope can display?
Answer
Problem
7—What is a dual-timebase oscilloscope?
Answer
Problem
8—What is the difference between a dual-trace
oscilloscope and a dual-beam oscilloscope?
Answer
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