source level


Also found in: Acronyms.

source level

[′sȯrs ‚lev·əl]
(acoustics)
The sound intensity, in decibels above a reference level, at a point which is a unit distance from a source and on an axis of the source.
References in periodicals archive ?
Analysis and modelling of 255 source levels of merchant ships from an acoustic observatory along St.
Estimates of acoustic communication ranges for fish require data on source levels and hearing thresholds, along with site-specific information on loss of signal transmission and on background levels.
Hierarchical field transformation: Spectral sources representations are first computed with respect to the box centers of the source level. Next, the spectral sources are interpolated and aggregated to coarser levels.
At source level of the event of occurrence, the sending node (source), prior to sending its data (readings or sensory information) in packet formats to its surrounding neighbors, will use the elliptic curve discrete logarithm function to perform the data encryption with security level p (128 bit) and this encryption will cost [[xi].sub.i] of energy, (elliptic curve discrete logarithm function has been proved to be harder to break than RSA and Diffie-Hellman [4]).
This layer is composed of four levels; the user level where user profile is managed, the source level where sources profiles are created, the application level where personalization functions are executed, and the knowledge base level where data are stored.
If you are sonar ship and you have a whale within [spotting distance], you want to take action to lower the source level of the sonar or cease the sonar altogether if that whale gets close enough.
This is equivalent to the source level at the loud end of whale vocalizations.
On the primary source level, there are the important reflections of the late Gehart Riegner of the World Jewish Congress.
"We provide a sole source level of accountability," explains Davis,
As part of the chain, roasters are not just talking about sustainability at the source level, but are realizing that the decisions they make at home will affect the overall specialty coffee industry.
Power and signal integrity design help mitigate the EMI at the source level. We used a five-step process to improve EMI by analyzing and improving signal and power integrity:
TotalView is a full-featured, source level, graphical debugger providing software engineers with complete control over threaded and parallel applications written in C, C++ or Fortran.