поглинання шуму
noise floor; noise level
atomic absorption coefficient
absorption
absorption factor
ozone absorption
ultrasonic absorption
ultraviolet absorption
atmospheric absorption
atmospheric absorption curve
atmospheric sound absorption
specific absorption rate
water vapour absorption
ground absorption
heat absorption
ionospheric absorption
moisture absorption
radiation absorption
selective absorption
sound absorption
sound absorption equation
sound absorption equation coefficient
thermal absorption
absorption of territory
radio wave absorption
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