spiral scan

См. также в других словарях:

• spiral scan — A radar scan pattern in which the beam is rotated out from and back to the centerline in a circular motion in the vertical plane. This pattern is applicable to target acquisition radars, providing range, relative azimuth, and elevation data …   Aviation dictionary

• Spiral computed tomography — Diagnostics MeSH D036542 Spiral computed tomography is a computed tomography,[1] technology involving movement in a spiral …   Wikipedia

• Scan, spiral CAT — A conventional computerized axial tomography scan (CAT scan or CT scan) is an x ray procedure which combines many x ray images with the aid of a computer to generate cross sectional views and, if needed, three dimensional images of the internal… …   Medical dictionary

• Spiral CAT scan — A conventional computerized axial tomography scan (CAT scan or CT scan) is an x ray procedure which combines many x ray images with the aid of a computer to generate cross sectional views and, if needed, three dimensional images of the internal… …   Medical dictionary

• Scan, helical CAT — A conventional computerized axial tomography scan (CAT scan or CT scan) is an x ray procedure which combines many x ray images with the aid of a computer to generate cross sectional views and, if needed, three dimensional images of the internal… …   Medical dictionary

• spiral CT scan — A detailed picture of areas inside the body. The pictures are created by a computer linked to an x ray machine that scans the body in a spiral path. Also called helical computed tomography …   English dictionary of cancer terms

• scan type — The path made in space by a point on the radar beam; for example, circular, helical, conical, spiral, or sector …   Military dictionary

• CAT scan, spiral — A conventional computerized axial tomography scan (CAT scan or CT scan) is an x ray procedure which combines many x ray images with the aid of a computer to generate cross sectional views and, if needed, three dimensional images of the internal… …   Medical dictionary

• Octreotide scan — Diagnostics 111In pentetreotide scintigraphy of the 41 year old man with ectopic Cushing syndrome caused by a neuroendocrine carcinoma of the mesentery. Radiotracer accumulation in the left thyroid in 10/2003 (arrow). The mesenterial… …   Wikipedia

• helical scan — In radar scanning, varying the azimuth and elevation of the antenna continuously to generate a spiral pattern of the beam. This scan pattern is used in fire control and GCI (ground controlled interception) radars. Also called spiral scanning …   Aviation dictionary

• Helical cone beam computed tomography — Helical (or spiral) cone beam computed tomography is a type of three dimensional computed tomography (CT) in which the source (usually of x rays) describes a helical trajectory relative to the object while a two dimensional array of detectors… …   Wikipedia