The phrase "actual background" is correct and usable in written English.
It can be used to refer to the true or real context or circumstances surrounding a situation or topic.
Example: "To fully understand the issue, we need to consider the actual background of the events that led to this decision."
Alternatives: "real context" or "true background".
This, I think, far more than his actual background, accounts for the working-class hero he became (though the most trenchant proponent of that was Julie Burchill, and I always figured the real reason she liked him was because they were in some squeaky-voice pact).
We chose some traffic congestion periods pedestrians, bicycles and cars in urban traffic roads intersect actual background traffic video clip slowly forward, including the 1000 video frames.
Without the proposed update controller, i.e. the SBA, the noise-level estimation will over time rise to a higher level than the actual background noise level.
In these papers, the object boundaries are determined in CT data and the mean value of a separate background ROI is considered as representative of the actual background of the target structure.
Hines argued that this was a result of gravity wave contamination of the measured IDI winds resulting in the phase velocities of the gravity waves being measured instead of the actual background wind and generalized this argument to all MF/HF SA radars.
By considering the attainable pressure in the current vacuum system and actual background strain, the average pressure in the pipes is designed to remain below 0.01 Pa, as listed in Table 1, and the measured pressure is used to correct the strain to attain actual strain sensitivity (Delta varepsilon) ~ 10−12.
The last properly significant difference in the two art works (excluding the actual setting, background, men seen in the distance etc). is the difference in the animals that Napoleon rides on.
The band members' actual backgrounds could be described as upper-middle class.
Furthermore, say experts on racial monitoring, the purpose of such data gathering is not to find out the drivers' actual backgrounds, but to record the police officers' perceptions of them.
Because we used the same detector gain to collect the pre-bleach and post-bleach emission spectra, our data represent actual background-subtracted emission values without any normalization of the data.
I thought it would be more interesting... to use the actual ethnic background in New York City at the time".
