Intrusion Detection Systems

Intrusion Detection Systems

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Intrusion Detection Systems has long been considered the most important reference for intrusion detection system equipment and implementation. In this revised and expanded edition, it goes even further in providing the reader with a better understanding of how to design an integrated system. The book describes the basic operating principles and applications of the equipment in an easy to understand manner. This book was written for those security directors, consultants, and companies that select the equipment or make critical decisions about security systems design. Mr. Barnard provides sufficient detail to satisfy the needs of those interested in the technical principles, yet has included enough description on the operation and application of these systems to make Intrusion Detection Systems, Second Edition a useful reference for any security professional.If the circuit is adjusted manually, then every time metal objects are moved closer to or away from the object, the ... For instance, if the detector is adjusted in the summer when the relative humidity is high, it must be readjusted when winter comes and the heating system dries the air. ... When Mr. Ids reaches the safe, his presence alters the capacitance of the balanced or tuned circuit and initiates an alarm.

Title:Intrusion Detection Systems
Author:Robert L. Barnard
Publisher:Gulf Professional Publishing - 1988-01


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