Accession Number : ADD000070
Title : Noise Modulated Analogue Signal Presence Detector.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Lockitt,John A ; Eller,Timothy S
Report Date : 25 Sep 1973
Pagination or Media Count : 4
Abstract : The patent describes a circuit for detecting presence of an analogue signal of unknown frequency in a noise environment. Detection is accomplished by determining and comparing the time variation between successive trailing edge zero crossings of the received signal.
Descriptors : *Detectors, *Patents, Signals, Detection, Analog systems
Subject Categories : Electrical and Electronic Equipment
Distribution Statement : APPROVED FOR PUBLIC RELEASE