Award Data

SKIN COATINGS FOR IR SIGNATURE SUPPRESSION REQUIRE MORE THAN SIMPLE EMISSIVITY CONTROL. CONTROL OF THE DIRECTIONAL DISTRIBUTION OF EMITTED/REFLECTED RADIATION AND ACTIVE HEATING OR COOLING ARE ALSO NECESSARY. THE RADIANCE FROM THE OBJECT NEEDS TO APPROXIMATE THE RADIANCE FROM THE BACKGROUND OVER A BROAD RANGE OF VIEWING ANGLES. THIS REQUIRES A COMPLICATED BIDIRECTIONAL REFLECTANCE DISTRIBUTION FUN ...

WE PROPOSE TO DEMONSTRATE AN OPTICAL ANALOG-TO-DIGITAL CONVERTER FOR MICROWAVE ANALOG SIGNALS WHICH UTILIZES A SINGLE ELECTROOPTIC BROADBAND VELOCITY MATCHED TRAVELLING WAVE MODULATOR BUT WITH MULTIPLE PULSED OPTICAL BEAMS TO SAMPLE THE SIGNAL AND MULTIPLE STANDARD ELECTRONIC A/D'S TO ACCOMPLISH THE CONVERSION IN PARALLEL. THE DIGITAL OUTPUT WORDS APPEAR ON MULTIPLE SETS OF LINES APPROPRIATE FOR A ...

THE PROPOSED PROGRAM WOULD PROVIDE THE AIR FORCE BALLISTIC SYSTEMS DIVISION (BSD) WITH AN ENGINEERING LEVEL SIGNATURE MODELING CAPABILITY FOR VARIOUS TYPES OF REENTRY VEHICLES (RVS) DURING THE MIDCOURSE PHASE. THE PRESENT AERODYNE RESEARCH, INC. (ARI) SPIRITS SIGNATURE MODEL OFFERS THE BASSIS FOR THE MODELING CAPABILITY IN THE ULTRAVIOLET (UV) THROUGH THE INFRARED (IR) SPECTRUM. THE SPIRITS MODEL ...

MANY POTENTIAL SPACE SYSTEMS WILL REQUIRE STRUCTURES CAPABLE OF MAINTAINING EXTREMELY TIGHT TOLERANCES ON DIMENSIONS AND VIBRATIONS. ONE APPROACH TO ACHIEVING THE NECESSARY TOLERANCES IS TO EMPLOY TRUSSES MADE USING SMART STRUCTURES. A SMART STRUCTURE IS ONE IN WHICH THE CONTROL, SENSING AND ACTUATION FUNCTIONS ARE INTEGRATED INTO THE MATERIAL WHICH MAKES UP THE INDIVIDUAL TRUSS ELEMENTS. PROPERLY ...

THE KEY PROBLEM TO BE ADDRESSED IN PHASE I OF THIS PROJECT WILL BE TO DETERMINE THE FEASIBILITY OF A NOVEL POSITION MEASURING SYSTEM FOR A FAMILY OF COMPUTER CONTROLLED MACHINE TOOLS. THE MULTIPLE LASER MEASUREMENT SYSTEM (MLMS), WHICH FORMS THE BASIS OF THIS PROPOSAL, WILL MEASURE THE (X, Y, Z) POSITION OF THE CUTTING HEAD DIRECTLY AT RATES AND ACCURACIES SUFFICIENT FOR CLOSED LOOP POSITION CONTR ...

THIS PROPOSAL PRESENTS AN APPROACH FOR ESTABLISHING THE FEASIBILITY OF A MANUFACTURING SUPPORT/DECISION SUPPORT SYSTEM. THE TECHNICAL CHALLENGE IS TO DETERMINE IF TYPICAL MANUFACTURING SUPPORT DECISION PROCESSES ARE SEMI-STRUCTURED AND IF THESE PROCESSES CAN BE PARTIALLY AUTOMATED IN THE FORM OF USER-FRIENDLY DECISION SUPPORT SYSTEMS. EXPERT SYSTEMS WILL ALSO BE EXPLORED AS A MEANS OF EXTENDING TH ...

A PROPRIETARY TECHNIQUE FOR DRAMATICALLY INCREASING THE BANDWIDTHS OF DIPOLE ANTENNAS WILL BE INVESTIGATED. IT INVOLVES ACTIVE IMPEDANCE LOADING ON THE DIPOLE ELEMENTS OR ARMS THEMSELVES. (PREVIOUS TECHNIQUES UTILIZED EITHER PASSIVE LOADS ALONG THE DIPOLE'S ARMS OR ACTIVE LOADS AT ITS TERMINALS.) IT CAN ALSO BE USED TO MINIMIZE OR MAXIMIZE THE SCATTERING CROSSECTION OF THE ANTENNA OR ITS GAIN. THE ...

THE PRIMARY OBJECTIVE OF THE PHASE I EFFORT IS TO EVALUATE THE FEASIBILITY OF DEVELOPING A SITUATIONAL AWARENESS METRIC FOR ADVANCED COCKPIT CONFIGURATION EVALUATION. THE APPROACH WILL CENTER ON THE SPECIFICATION AND USE OF AN INTEGRATED HUMAN-MACHINE MODEL OF THE OVERALL CREW/VEHICLE SYSTEM, AND ACCOUNT FOR THE HUMAN'S PERCEPTUAL PROCESSING, DATA FUSION, SITUATION ASSESSMENT, AND DECISION MAKING ...

FUTURE MILITARY AVIONICS SYSTEMS WILL REQUIRE AT LEAST AN ORDER OF MAGNITUDE IMPROVEMENT IN MEAN TIME BETWEEN CRITICAL FAILURES. TO ACHIEVE THIS GOAL INNOVATIVE FAIL-SAFE FAULT-TOLERANT ELECTRONIC SYSTEM DESIGN CONCEPTS WILL BE NEEDED. THE APPROACH PROPOSED BY DAINA WILL BE BASED ON THE USE OF EXTERNAL ENVIRONMENT DATA, BUILT-IN RELIABILITY MODEL, ADAPTIVE STATISTICAL SYSTEM STATE AND PARAMETER ES ...

THE METHOD OF PHASE DIVERSITY CONSISTS OF MAKING TWO MEASUREMENTS OF THE IMAGE OF AN UNKNOWN EXTENDED OBJECT AT TWO SETTINGS OF FOCUS AND USING THESE IMAGES IN A CERTAIN LEAST SQUARES ERROR METRIC TO ESTIMATE THE WAVE ABERRATION FUNCTION OF AN INCOHERENT OPTICAL IMAGING SYSTEM. IN THIS PROPOSAL THIS CONCEPT IS GENERALIZED TO INCLUDE OTHER METHODS OF INTRODUCING "DIVERSITY" THROUGH THE INTRODUCTION ...