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WORD SEARCHING DEVICE. PART I.

Author: THOMPSON RAMO WOOLDRIDGE INC CANOGA PARK CALIF.
Publisher: Ft. Belvoir Defense Technical Information Center 23 SEP 1961.
Edition/Format:   Book : English
Database:WorldCat
Summary:
Considerable effort has been directed towards determining the basic limitations of a word searching device due to the characteristics of printed text. This analysis has been aided by simulation studies based on correlation measurements made on enlargements of typical English characters and subsequent experiments in which a digital computer simulated the Word Searcher. This investigation has shown that the  Read more...
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Document Type: Book
All Authors / Contributors: THOMPSON RAMO WOOLDRIDGE INC CANOGA PARK CALIF.
OCLC Number: 227268123
Description: 1 p.

Abstract:

Considerable effort has been directed towards determining the basic limitations of a word searching device due to the characteristics of printed text. This analysis has been aided by simulation studies based on correlation measurements made on enlargements of typical English characters and subsequent experiments in which a digital computer simulated the Word Searcher. This investigation has shown that the differences in output signal between the desired key words and possible false alarms may be quite small with the result that the equipment tolerances must be closer than originally anticipated if successful operation is to be achieved. This report presents a detailed account of the investigation to date and of the difficulties encounterd. The unexpectedly stringent tolerance requirements has led to modification of the original approach. Alternate mechanizations are considered which by-pass the fundamental limitations of the flying-spot scanner system. (Author).

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