Accession Number : ADD004536

Title :   Infrared Background Suppression.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Moore,Kenneth L

Report Date : 13 Sep 1977

Pagination or Media Count : 7

Abstract : A system for eliminating background signals in chopped infrared measuring systems employs operational amplifier principles for subtracting a reference signal of proper amplitude, phase and frequency from the background-plus-signal radiation. The output is converted to a dc voltage level directly related to incident flux. (Author)

Descriptors :   *Patents, *Infrared equipment, *Background noise, *Noise reduction, Signal to noise ratio, Remote detectors, Far infrared radiation

Subject Categories : Infrared Detection and Detectors

Distribution Statement : APPROVED FOR PUBLIC RELEASE