SPECTRAL ANALYSIS OF STRAY LIGHT

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$49,501.00
Award Year:
1991
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
15392
Agency Tracking Number:
15392
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
4601 East First Street, Tucson, AZ, 85711
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr Steve C Johnston
Principal Investigator
(602) 795-7885
Business Contact:
() -
Research Institute:
n/a
Abstract
DURING THE PHASE I DEVELOPMENT WE WILL INVESTIGATE AND STUDY APPROACHES FOR THE EVALUATION OF THE STRAY LIGHT CHARACTERISTICS OF A ROTATING FREE GYRO TYPE IR SEEKER IN THE FREQUENCY DOMAIN. SINCE THIS IS A FUNDAMENTALLY NEW AREA OF STRAY LIGHT ANALYSIS, WE WILL BEGIN BY DEVELOPING INSIGHTS INTO THE UTILITY OF THIS TECHNIQUE BY EXAMINING THESIGNATURES OF VARIOUS INTERNAL (THERMAL EMISSION) AND EXTERNAL (SCATTER, DIFFRACTION, ETC) STRAY LIGHT SOURCES IN THE FREQUENCY DOMAIN.ULTIMATELY THIS TECHNIQUE WILL BE EXAMINED FOR ITS APPLICABILITY TO THE IMPROVEMENT OF SEEKER PERFORMANCE. WHILE CURRENT STRAY LIGHT ANALYSIS PROGRAMS CAN ANALYZE VERY COMPLEX SYSTEM GEOMETRIES, THEY CAN DOSO FOR ONLY A SINGLE STATIC CONFIGURATION AT A TIME. OUR METHODOLOGY IS THEREFORE DIVIDED INTO TWO STEPS: WE WILL PERFORM A SERIES OF CONVENTIONAL STRAY LIGHT ANALYSES ON A GENERIC FREE GYRO SEEKER IN THETEMPORAL DOMAIN, AND THEN FOURIER TRANSFORM THE RESULTS TO OBTAIN THE PERFORMANCE IN THE FREQUENCY DOMAIN. SINCE THE ANALYSES TECHNIQUESARE EQUALLY VALID FOR INTERNAL AND EXTERNAL STRAY LIGHT SOURCES, THIS TECHNIQUE IS APPLICABLE TO ALL TYPES OF COMMERCIAL AND MILITARY SYSTEMS.

* information listed above is at the time of submission.

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