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Industry News

The Puzzler - October 2010

October 13, 2010
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Government & militAry electronics

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MWJ October Puzzler


2 EW (2 words)
4 A wireless communication system that changes its
transmission or reception parameters to communicate efficiently
avoiding interference with other channels being
used (2 words)
9 Electronic Counter Measures
13 Technique for estimating the location of a radio emitter
based on signal observations from other points based on
timing (4 words)
16 The fraction of a complete wave cycle corresponding to
an offset in the displacement from a specified reference
point at time = 0
17 Designing the input impedance of an electrical load or
the output impedance of its corresponding signal source
in order to maximize the power transfer and minimize reflections
(2 words)
18 DoD (3 words)
19 Active Electronically Scanned Array
21 Beams of the far field radiation pattern that are not the
main beam (2 words)
23 SIGINT (2 words)
24 Wide band gap material gaining use for very high
power, broadband amplifiers


1 10 log(SNRin/SNRout) (2 words)
3 IMD (2 words)
5 A signal processing technique used in sensor arrays for
directional signal transmission or reception (2 words)
6 Short for Frequency Difference Of Arrival
7 A device that allows bi-directional communication over
a single channel
8 Commercial off-the-shelf components
10 Short for software-defined radio
11 Optimization method that allows minimization of mainlobe
width for a specific sidelobe level in beam forming
12 Short for Military Satellite Communications
14 Short for European Defense Agency
15 Electronic Support Measures
20 The transmission of radio signals that disrupt communications
by decreasing the signal to noise ratio
22 Any signal present in the output spectrum that is not
present at the input


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