AVR400 System User Guide
Glossary
9.
The following terms might have additional meanings. The definitions that follow are in the context of the AVR video metrology systems. A accuracy The maximum error that the system will produce when measuring a true standard. alignment The state or orientation of an object or feature with respect to a set of datums or the act of putting an object or feature into a desired state or orientation. axis A direction which allows movement and along which dimensions can be measured. In the AVR systems, the X-axis is horizontal from left to right, and the Y-axis is from front to back, and the Z-axis is from bottom to top B blooming A condition where the parts of the video image are distorted by oversaturated bright regions, making illuminated regions appear larger than they really are. C
CAD file
See Computer-Aided Design.
calibration The formal comparison of measuring equipment against a standard of higher level (a national standard defined in the U.S. by NIST) under controlled and specified conditions to document the accuracy of the instrument being compared.
CCD
See Charge Couple Device.
charge couple device (CCD)
The solid-state image sensing element of the video camera.
CNC
See computer numerical control.
computer-aided design file (CAD) The .cad file extension is used for a 3D graphics file format, which is often associated with CAD (computer aided design) projects. These .cad files contain digital 2D and 3D graphics.
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9985 Revision A
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