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.
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 this study, polysaccharides such as sucrose and trehalose had the most efficiency in decreasing the background signal noise and improving the specific reactivity of antibodies.
1 before being combined with the background signal.
Light pollution, scatter, and the pervasive atmospheric airglow that exist in even the darkest skies on Earth, all contribute to sky background signal.
The independence of the on-spot background signal intensity from the dye performance is evident in the differences between the graphs of the different figures of merit.
a colorimetric 96-well plate reader), the Erenna Immunoassay System separates background fluorescent signal from antibody-tagged signal by thresholding out the background signal and measuring each fluorescently labeled detection antibody as a digital event (9).
The stainless steel USDA approved detectors utilize a digital signal processing and an anti-noise technique that memorizes the residual background signal of conductive products like meat and cancels it out by emitting an equal and opposite signal; this feature assures accurate metal detection.
In the past, excitation light coming from the condenser lens and going through the objective lens could not be completely blocked by the emission filter, leading to a high background signal.
13] Magnetization transfer contrast has been documented to decrease the background signal from brain parenchyma by as much as 40%.
Inspecting set or conductive products, such as meat, liquid soup and hot bread, has traditionally been more difficult due to the background signal which must be cancelled out for effective inspection to take place.
A high signal-to-noise ratio is required when the optical background signal is suppressed.
Conclusion: Finally, the agarose-PLL microarrays had the highest signal (2920) and lowest background signal (205) in hybridization, suggesting that the prepared slides are suitable in analyzing wide concentration range of analytes.