Stressed Environment

Stressed environment: In radiocommunications, an environment that is under the influence of extrinsic factors that degrade communications integrity, such as when (a) the benign communications medium is disturbed by natural or man-made events (such as an intentional nuclear burst), (b) the received signal is degraded by natural or man-made interference (such as jamming signals or co-channel interference), (c) an interfering signal can reconfigure the network, and/or (d) an adversary threatens successful communications, in which case radio signals may be encrypted in order to deny the adversary an intelligible message, traffic flow information, network information, or automatic link establishment (ALE) control information. Source: from Federal Standard 1037C

 

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slip
spatial application
specification
specific detectivity
speckle pattern
spectral width
speed of service
spill forward feature
spread spectrum
squelch
standard telegraph level
standard test signal
standard test tone
standard time and frequency signal service
standby
standing wave
standing wave ratio
star coupler
start signal
start stop transmission
statement
steady state condition
step index profile
stopband
stop signal
store and forward switching center
stroke speed
sublayer
subscriber
substitution method
successful block transfer
sudden ionospheric disturbance
summation check
supervisory program
reduced carrier transmission
surface wave
survivability
switched loop
switched multimegabit data services
synchronism
synchronizing
synchronous network
synchronous orbit
system integrity