- In radar scanning, rotating the antenna in the azimuth around the horizon or in a sector. Also called seareh lighting.
Aviation dictionary. 2014.
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Horizontal scan rate — Horizontal scan rate, or horizontal frequency, usually expressed in kilohertz, is the frequency at which a CRT moves the electron beam from the left side of the display to the right and back, and therefore describes the number of horizontal lines … Wikipedia
scanning — In radar, the motion of the radar antenna assembly when searching for targets. Scanning usually follows a systematic pattern involving one or more of the following: i. In horizontal scanning (or search lighting), the antenna is continuously… … Aviation dictionary
Scanning laser ophthalmoscopy — Retinal image of a left eye via Optos Optomap. Scanning laser ophthalmoscopy (SLO) is a method of examination of the eye. It uses the technique of confocal laser scanning microscopy for diagnostic imaging of retina or cornea of the human eye. As… … Wikipedia
Horizontal synchronization pulse — In television, a horizontal synchronization pulse is sent whenever the television set should start scanning a new line.The format of such a pulse consists of: # a 4 µs long synchronization pulse, where the signal level is set to 0 V # a 8 µs… … Wikipedia
scanning line — (in a cathode ray or television tube) a single horizontal trace made by the electron beam in one traversal of the fluorescent screen. Cf. frame (def. 9). [1925 30] * * * … Universalium
scanning line — n. individual horizontal trail made by the electron beam in one traversal of fluorescent screen (in a cathode beam or television tube) … English contemporary dictionary
scanning line — (in a cathode ray or television tube) a single horizontal trace made by the electron beam in one traversal of the fluorescent screen. Cf. frame (def. 9). [1925 30] … Useful english dictionary
Conical scanning — is a system used in early radar units to improve their accuracy, as well as making it easier to steer the antenna properly to point at a target. Conical scanning is similar in concept to the earlier lobe switching concept used on some of the… … Wikipedia
Environmental scanning electron microscope — Wool fibers imaged in an ESEM by the use of two symmetrical plastic scintillating backscattered electron detectors … Wikipedia
Confocal laser scanning microscopy — (CLSM or LSCM) is a technique for obtaining high resolution optical images with depth selectivity. The key feature of confocal microscopy is its ability to acquire in focus images from selected depths, a process known as optical sectioning.… … Wikipedia