DocumentCode
1478052
Title
A novel digital method of generating a circle test pattern for television
Author
Lappalainen, P. ; Ojala, L.
Author_Institution
Helsinki University of Technology, Applied Electronics Laboratory, Department of Electrical Engineering, Otanemi, Finland
Volume
42
Issue
1
fYear
1972
fDate
1/1/1972 12:00:00 AM
Firstpage
21
Lastpage
27
Abstract
Numerical computation of the coordinates of the circle points needed is based on simple incremental algorithms. The organization of the special-purpose computer is described. A major advantage over the analogue methods commonly used is the accuracy and the stability of the pattern.
Keywords
communications applications of computers; computer applications; digital circuits; signal generators; special purpose computers; stability; television; television standards; test equipment; accuracy; circle; digital methods; numerical computation; special purpose computer; stability; television test pattern;
fLanguage
English
Journal_Title
Radio and Electronic Engineer
Publisher
iet
ISSN
0033-7722
Type
jour
DOI
10.1049/ree.1972.0003
Filename
5268364
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