S/N RATIO
Signal-to-Noise ratio is calculated with the logarithm of the normal signal and the noise RMS value.
SCENE ILLUMINATION
The average light level incident upon a protected area. Normally measured for the visible spectrum with a light meter having a spectral response...
MAGNIFICATION RATIO
The ratio between the focal length of a lens and the focal length of a standard angle lens. Indicates the magnification of the image when compared to an image from a standard angle lens.
MANUAL IRIS
Type of lens that requires manual focusing.
MATRIX...
DARK CURRENT
Leakage signal from a CCD sensor in the absence of incident light.
DARK NOISE
Noise caused by the random (quantum) nature of the dark current.
DECIBEL (DB)
A logarithmic ratio between two electrical signals or values. Usually refers to power, but can...
AC
Alternating Current
ACCESS CONTROL SYSTEM
Electronic system used to allow, restrict and track the movement of people through entry/exit points in a site. This is achieved through the use of electronic individual codes, keys or cards etc, to release a locking...
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When youre in business, you always want to give the best to get the most. One of the efficient devices to add to your arsenal is the Bluetooth headset to keep tabs on people and their latest exploits in the name of the business.
Business Chic and Hi-end Tech
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GibLink Global Internet Business Link The time has now come for everyone to join the global marketplace and, in the process, change the way the world does business. In a world full of incredible success stories, a chapter has now been written with you in it! This is the first paragraph on the...
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Anyone who plans on spending any length of time wandering the halls of Photoshop should consider learning how Photoshop layer sets work.
Layers are crucial to the entire mechanism of Photoshop design and enhancement.
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You have probably been hearing about satellite radio for a while and of course, lately there has been plenty of news about Howard Stern, he is bringing in many listeners to Sirius and the fan base is growing quickly.
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If you have any project you are just stuck on, do not have the time for, or is just out of your means you might want to consider a freelancer. There are people all over the internet with the necessary skills for any project you might have just looking for freelance jobs. A freelancer can be the...