Neper/meter
The opposite of attenuation is amplification. Amplification involves increasing the strength or intensity of a signal, sound, or electrical current, while attenuation involves decreasing it.
Sound attenuation refers to the decrease in sound intensity as it travels through a medium. This decrease can be caused by factors such as absorption, scattering, and reflection of sound waves. Different mediums, such as air, water, and solids, have varying levels of attenuation, which can affect how sound waves propagate through them. In general, denser mediums tend to attenuate sound waves less, allowing them to travel further and with less loss of intensity.
Noise and Attenuation. Noise is usually defined as unwanted sound - noise, noise generation, silencers and attenuation in HVAC systems. Attenuation of Sound Waves: When sound travels through a medium, its intensity diminishes with distance. In idealized materials, sound pressure or signal amplitude is only reduced by the spreading of the wave. Natural materials, however, all produce an effect which further weakens the sound. This further weakening results from scattering and absorption. Scattering is the reflection of the sound in directions other than its original direction of propagation. Absorption is the conversion of the sound energy to other forms of energy. The combined effect of scattering and absorption is called attenuation. Ultrasonic attenuation is the decay rate of the wave as it propagates through material. A property of some thing or action which is essential and specific to that thing or action. Attenuation of sound within a material itself is often not of intrinsic interest. However, natural properties and loading conditions can be related to attenuation. Attenuation often serves as a measurement tool that leads to the formation of theories to explain physical or chemical phenomenon that decreases the ultrasonic intensity.
Attenuation in ultrasound refers to the weakening of the ultrasound beam as it travels through tissue. This weakening is due to factors like absorption, scattering, and reflection of the sound waves by tissues. Attenuation is important in determining image quality and depth of penetration in ultrasound imaging.
The equation for the attenuation of a gamma-ray flux passing through a path of length x in a sample with linear attenuation coefficient u can be expressed as I = I0 e ^-u*x. For most environments, the value of u is not known and must be estimated by measurements.
"Muffling" or "Baffling". To be academic: "Attenuation".
Acoustic impedance is the measurement that indicates how much sound pressure the vibration of molecules at a given frequency is generated. Attenuation refers to the gradual loss in intensity through a medium, such as light and sound in water.
Attenuation is a measure of how much loss a signal experiences when it travels down a communication medium( loss as heat, absorbed by communication medium).It is mesured in decibels Attenuation is a term that refers to any reduction in the strength of a signal, when transmitting over a long dinstance. Attenuation occurs with any type of signal, whether digital or analog. It is also called loss of signals, The extent of attenuation is usually expressed in units called decibels (dBs).
dB per kilometerNote: Depends on frequency of the radio signal, and on the rate at which rain is falling.
Assonance is the sound device expressed by the words "doze" and "rows" because they share a similar vowel sound.
Communication is at speed of sound. Signal attenuation. Noise of signal travelling through air.
RMS Output divided by input, usually expressed in deciBells. Depends on whether it is power or voltage being attenuated. Voltage, it's 20log(Vout/Vin) Power, it's 10log(Pout/Pin) The difference is because power is proportional to voltage squared.