The Role of Precise Time in IPF

William K. Bridge

Abstract: Precise knowledge of time of day can dramatically affect the design of military electronic systems. Small, inexpensive atomic clocks are becoming available that can provide free-running accuracies on the order of 10 to 100 microseconds for periods in excess of a month. Such clocks could revolutionize tactical communications, navigation, data links, IFF and ELINT systems. This paper discusses the application of precise time to the IFF problem. The simple concept of knowing when to expect each signal is exploited in a Variety of ways to achieve an IFF system which is hard to detect, minimally exploitable and difficult to jam. Precise clocks are the backbone of the concept and the various candidates for this role are discussed. The compact rubidium-controlled oscillator is the only practical candidate.
Published in: Proceedings of the 13th Annual Precise Time and Time Interval Systems and Applications Meeting
December 1 - 3, 1981
Naval Research Laboratory
Washington, DC
Pages: 309 - 324
Cite this article: Bridge, William K., "The Role of Precise Time in IPF," Proceedings of the 13th Annual Precise Time and Time Interval Systems and Applications Meeting, Washington, DC, December 1981, pp. 309-324.
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