background signal

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Noun1.background signal - extraneous signals that can be confused with the phenomenon to be observed or measuredbackground signal - extraneous signals that can be confused with the phenomenon to be observed or measured; "they got a bad connection and could hardly hear one another over the background signals"
interference, noise, disturbance - electrical or acoustic activity that can disturb communication
background noise, ground noise - extraneous noise contaminating sound measurements that cannot be separated from the desired signal
background radiation - radiation coming from sources other than those being observed
References in periodicals archive ?
This means that the reporter probes cannot interact directly with assay primers, reducing non-specific background signal noise.
The background signal level on the 5131 sensor was no higher than normal even in this high-noise environment.
In [23-24] an algorithm is developed to separate music signals from background signal such as speech or environmental sounds.
While a general subtraction of the background signal does improve the repeatability precision, it can also introduce errors into the results.
These additives can be considered as proper components in reducing background signal noise in designing ELISA kits.
With 1,064-nm NIR excitation, it is a solution for materials science applications when fluorescence background signal often obscure the Raman signal.
Although the tissues are not nearly as effective at generating a signal as the contrast agent, the quantity of the tissue is much greater than the quantity of the contrast agent and so the background signal is very high," said lead author Xiaohu Gao, a UW assistant professor of bioengineering.
These kits, optimized for inhibitor screening, contain high-performance fluorogenic substrates which exhibit high reactivity and low background signal.
Fat saturation is employed to reduce background signal from fat.
1 shows an example composite signal in question as the sum of the unknown signal and a multi-spectral background signal.
The average signal detected from the animals treated with venom was significantly above the background signal detected from the saline treatment for up to 21 days after the initial treatment (Figure 2, 3, and 4).
It is demonstrated that the developed CTFOB dip-probe is a highly specific detector as the signal from the non specific protein was not more than the background signal.