background signal


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background signal

[′bak‚grau̇nd ‚sig·nəl]
(engineering)
The output of a leak detector caused by residual gas to which the detector element reacts.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
So, there is not any noise or background signals in the test samples which are made by summation of single note signals and consequently, separation process for those test signals yields better results.
In the case with a more realistic paraxial collection efficiency with the same waist as the objective exit aperture (Figures 6(a) and 6(b)), the background signal is reduced also for very narrow annulus.
Although the effect of these selected additives on S7 and SI 1 mAbs was comparably shown to be minor but it should be kept in mind that even this amount of preservation could be effective in decreasing the background signal noise.
In TOF MRA, background signal is saturated by repeated RF excitations in the imaging volume.
Background signals may be generated by the nonspecific binding between magnetic nanoparticles and fluorescence nanoparticles.
Experiments with synthetic tissue showed the technique can almost completely suppress a strong background signal. Future work will try to duplicate the results in lab animals, Gao said.
It will be added to the background signal at intervals and then the method of reinforcement differencing will be applied to the composite signal to ascertain the power spectrum of the unknown signal.
The values were above three times the standard deviation of the background signal. The small number of test animals did not allow establishment of a confidence interval between venom amounts and background.
In addition to stability, an ideal performance qualification tool should mimic a microarray with similar spot sizes, resolution, concentrations, and background signal intensity.
Statistically lower detection limit signals can be determined by multiplying 3 times the COV of the background signal.
The SynchroMaster555 uses chroma keying (mixing signals via a chosen colour, usually blue or green) to bring the background signal through the foreground, and either channel can be configured as fore- or background.