Wednesday, September 5, 2012

Calibration - Definition


A process for translating the signals produced by a measuring instrument (such as a telescope) into something that is scientifically useful. This procedure removes most of the errors caused by environmental and instrumental instabilities.

Eample: Calibration of CCD Images

Calibration is a procedure for reducing the effects of CCD Bias and Dark Current  and certain defects in the optical system.

Source: wikipedia, NASA

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