фоновий шум; шуми
background information
background check
universal background checks
background radiation
background sound pressure level
natural background radiation
final background sound pressure level
background
background count
background counting rate
background investigation
background map
personal background
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
reduce noise