AVR200 and AVR300 User Guide
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.
computer numerical control (CNC)
The automated control of machining tools by means of a computer. A CNC machine processes a piece of material (metal, plastic, wood, ceramic, or composite) to meet specifications by following a coded programmed instruction and without a manual operator. D
distortion
Optical image distortion at the CCD sensor across the maximum field of view. Expressed in percent for the dimensional error along one axis divided by the true dimension.
DXF
See Drawing Exchange Format.
Drawing Exchange Format (DXF)
A computer aided design (CAD) data file format developed by Autodesk, Inc. and now also used by other companies for the export and import of CAD data. E
electromagnetic compatibility (EMC)
The ability of electrical equipment and systems to function acceptably in thei r electromagnetic environment, by limiting the unintentional generation, propagation and reception of electromagnetic energy which may cause unwanted effects such as electromagnetic interference (EMI) or even physical damage in operational equipment.
EMC
See electromagnetic compatibility.
F
fiducial point
A point (or line) on a scale used for reference or comparison purposes.
field of view (FOV)
The region of the metrology stage being viewed by the camera and displayed on the video monitor.
field of view measurement (FOV measurement)
A video measurement performed in a single field of view without moving the stage or camera.
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