Satellite and MMWave Applications
Download the Puzzler (PDF)
Across
2 The process of recovering intelligence from a signal, some parameter of which was modified to carry the intelligence
4 The frequency interval from 12.4 to 18 GHz (hyphenated)
6 Joint Tactical Radio System
11 Block Upconverter
12 The ratio of the number of bits in a data transmission that are incorrectly received to the number of bits received (3 words)
15 A reactive circuit that rejects signals whose frequencies are above the 3 dB point frequency and propagates signals whose frequencies are below the 3 dB point frequency (3 words)
16 Satellite Communications
17 Solid State Power Amplifier
19 Very Small Aperture Terminal
22 The surreptitious gathering of information from an opponent or enemy through the use of electronic systems (2 words)
24 Mobile User Objective System
25 TWT (3 words)
Down
1 A technique for improving power efficiency of an amplifier where the voltage to the output transistor is adjusted dynamically, in synchronism with the envelope of the modulated RF signal (2 words)
3 Orthogonal frequency division multiplexing
5 Permanently sealed to the extent that transmission of gases and liquids is reduced or eliminated
7 The minimum received signal power level for which a receiver can produce a discernible output signal (2 words)
8 Standard specifically designed for wireless high definition multimedia connectivity
9 The apparent shift in frequency of an incident wave that is the result of relative velocity between the emitter of the wave and the receiver of the wave (2 words)
10 RCS (3 words)
13 UWB (2 words)
14 A reference signal generating circuit that is contained within a receiver or transmitter (2 words)
18 Wireless Home Digital Interface
20 Multiple in, multiple output antenna technology
21 Wideband Global SatCom program
Answers
(Login to download the answers)
