Threshold signals at linear kinds of modulation

Control and Navigation systems


Аuthors

Bolshov O. A.

Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia

Abstract

This paper represents the results of studies designed to provide information security of radio communication channels transmitting speech messages. On the basis of empirical data on the human hearing sensitivity thresholds, some threshold signal noise ratios were determined at the input of an intelligence receiver, where an operator can hardly read messages at the lowest possible limit. The received data will provide development of security standards for analogous radio electronic communication facilities and systems.


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