A cathode-ray-labelled plan display
作者:
N.J.Smith,
P.F.Heggs,
期刊:
Proceedings of the IEE - Part B: Electronic and Communication Engineering
(IET Available online 1960)
卷期:
Volume 107,
issue 19S
页码: 54-57
年代: 1960
DOI:10.1049/pi-b-2.1960.0010
出版商: IEE
数据来源: IET
摘要:
An account is given of a system for accepting extracted radar and associated information stored in either digital or analogue form and for displaying it on a cathode-ray tube as a plaque of characters marking the plan position of each track relative to an overlay or video map. A vector is added to denote the velocity and direction of each track.The characters are produced as brightened dots on a small raster centred on the track position. A good definition of character is achieved by a selection from 9×7 such dots per character.The all-transistor pattern-generator described in the paper uses digital techniques throughout and has ferrite-core storage. Experience with this generator shows that a 2 Mc/s element rate is suitable. Each track can be displayed in 360 microsec and hence 280 tracks can be displayed with a 10 c/s repetition rate.
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