background signal

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  • noun

Synonyms for background signal

extraneous signals that can be confused with the phenomenon to be observed or measured

References in periodicals archive ?
The main purpose in that research is to separate music signals from background signals or speech.
In order to increase the half-life of kit and decreasing the background signal noise, it was decided to study the effects of different additives on the specific reactivity of antigen binding site of mAbs.
Experiments with synthetic tissue showed the technique can almost completely suppress a strong background signal.
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.
Because the human body contains no naturally occurring magnetic materials visible to MPI, there is no background signal.
A bias flame records the camera's inherent electronic background signal, which is present in every image you shoot.
In addition to stability, an ideal performance qualification tool should mimic a microarray with similar spot sizes, resolution, concentrations, and background signal intensity.
First the background signal is determined, and based on this value a 5-SD threshold above background is created.
A large background signal originates from the emission of many chromophores in the far-field illuminated volume.
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.
The stability level of the background signal can be estimated by Figure 1B, which shows the recording of the photodetector indication at the inactive radiation source.
For simplicity, the tests were conducted in solution that inherently caused an increase in background signal due to random chance interactions between free-floating complexes.
Increased contrast in the imaging data is also enhanced by reducing background signal and revealing the fingerprint signal through the use of robust, well-tested, and validated multivariate statistical analysis tools.
Because the moisture content of frozen food can present a challenge for metal detectors, the Safeline detectors utilize digital signal processing and an "anti-noise" technique that memorize the residual background signal of conductive products like meat and cancel it out by emitting an equal and opposite signal, thereby assuring accurate metal detection of frozen and other food products.