розповсюдження шуму
shock wave propagation
wave electromagnetic propagation logging
speed of wave propagation
electromagnetic wave propagation
propagation of pressure
propagation of sound
sound propagation distance
propagation
electric properties of object and propagation medium for electromagnetic waves
radio propagation data
radio propagation prediction
deliberate propagation of disease
noise floor; noise level
background noise
impulse noise
mock battle noise
signal-to-noise ratio (SNR; S/N)
noise suppression device
noise suppression system
acoustic noise
aircraft noise production program
balanced program of noise control
calculated noise level
current certified noise level
jet noise prediction technique
landing noise
turbulence-induced noise
atmospheric noise
attenuate noise
augmented lift system noise
environment control system noise
equivalent noise resistance