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Hd (horizontal drive)
| Глоссарий терминов по видеокамерам |
Signal used to synchronize the line scan rate of the camera to an external source. mostly used in b/w applications together with vd.
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Synchronize, английский
To reconcile the differences between files, e-mail, appointments, and other items stored on one computer, device or in the cloud with versions of the same files on another computer, device or in the cloud. once the differences are determined, both sets of items are updated.
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High rate scanning, английский
Capability of a camera to output less than its maximum number of horizontal lines, but at a higher rate. unlike partial scanning, the lines output in high rate scanning are symmetrical about the optical sensor center. this means that there is normally no need to re-aim the camera when changing from normal to high rate scanning.
Had (hole accumulated diode), английский
Ccd technology with improved performance in spectral response, vertical smear and sensitivity. the had sensor also introduced a higher pixel count and electronic shuttering capability.
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