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REPAIR OF SHIPBOARD MACHINERY AND EQUIPMENT REQUIRES INFORMATION AND EXPERTISE NOT EASILY AVAILABLE TO SHIPBOARD MAINTENANCE PERSONNEL. WHAT INFORMATION THAT IS AVAILABLE IS GENERALLY EMBEDDED IN TECHNICAL MANUALS OR MAINTENANCE/REPAIR CARDS THAT ARE DIFFICULT TO DECIPHER, BULKY, AND SOMETIMES HARD TO MAINTAIN. A SYSTEM THAT ALLOWED FOR IMPROVED MAINTENANCE AIDING AND GUIDANCE TO NON-EXPERTS WOULD ...

THE OBJECTIVES OF PHASE I ARE TO DETERMINE HOW WELL THE SMALL SCALE TESTS CURRENTLY USED FOR SCREENING EXPLOSIVES, AND THE MODELS THAT DESCRIBE EXPLOSIVE BEHAVIOR IN THE SMALL SCALE TEST AND IN THE FULL SCALE MUNITION, CAN PREDICT THRESHOLDS OF EXPLOSIVE REACTION IN THE OPERATIONAL FULL SCALE MUNITION. FULL SCALE MUNITIONS WILL BE STUDIED TO DETERMINE THE CRITICAL MODE(S) OF EXPLOSIVE REACTION THA ...

CURRENT STUDIES CONCENTRATE ON GLOBAL POSITIONING SYSTEM (GPS) AS A SPACECRAFT ATTITUDE DETERMINATION TOOL. TWO GPS ANTENNAS RECEIVING THE SAME SIGNAL CAN COMPARE THEIR RELATIVE PHASES TO DETERMINE THE ANGLE BETWEEN THE TWO ANTENNAS AND THE GPS SATELLITE. BY COMPUTING THE ANGLE TO THREE OR MORE SATELLITES, THE COMPLETE INERTIAL ORIENTATION MAY BE DETERMINED. APPLYING ADVANCES IN GPS INTERFEROMETRY ...

MATERIALS FOR SPACECRAFT STRUCTURES ARE REQUIRED WHICH POSSESS HIGH STIFFNESS TO WEIGHT RATIOS, ALONG WITH CHEMICAL AND DIMENSIONAL STABILITY IN SPACE ENVIRONMENTS. B(4)C HAS ONE OF THE HIGHEST RATIOS AND CAN BE FABRICATED INTO DENSE BODIES. OPTIMAL COMPOMENT PERFORMANCE WILL LIKELY REQUIRED AN IMPROVED B(4)C POWDER WHICH IS NOT AVAILABLE COMMERCIALLY NOW. A PROPRIETARY HIGH TEMPERATURE REACTOR HA ...

THIS PROJECT WILL RESEARCH MATERIALS AND DEVELOP A DESIGN AND CONCEPT FOR MAKING ELECTRONIC EQUIPMENT SHELTERS USING ADVANCED MATERIALS. THE ADVANCED MATERIAL SHELTER WILL BE DESIGNED TO TAKE ADVANTAGE OF A NUMBER OF SIGNIFICANT ADVANCES IN MATERIALS AND PROPRIETARY TECHNOLOGICAL ADVANCES IN MANUFACTURING DEVELOPED BY ADVANCED COMPOSITE TECHNOLOGY, INC. (ACT). ACT HAS DEVELOPED TWO TECHNOLOGIES SI ...

THE USE OF MULTIPLE SENSORS FOR ELECTRONIC SIGNAL UNDERSTANDING HAS IMPORTANT ADVANTAGES. MULTIPLE VIEWING ANGLES CAN PROVIDE MULTIPLE DIRECTION FINDING, MULTIPLE DOPPLER MEASUREMENTS FOR TARGET VELOCITY DETERMINATION, ROBUSTNESS AGAINST TERRAIN MASKING/SPOOFING, ETC. ALTHOUGH THE DATA FROM MULTIPLE SENSORS CAN BE SENT TO A CENTRAL SITE FOR PROCESSING, A DISTRIBUTED ELECTRONIC SIGNAL UNDERSTANDING ...

THE OBJECTIVE OF THIS PROJECT IS TO EVALUATE THE FEASIBILITY OF GROWTH OR FUSION OF OPTOELECTRONIC DEVICES DIRECTLY ONTO THE OPTICAL FIBER. THIS APPROACH WILL HAVE SIGNIFICANT IMPLICATION AND BENEFITS ON FUTURE FIBER OPTIC COMMUNICATIONS. TO ACHIEVE THE OBJECTIVE, A COMPLETE LITERATURE SEARCH RELATED TO THE TOPIC WILL BE COMPILED. A THEORETICAL ANALYSIS ON ALL POSSIBLE DESIGNS WILL BE INVESTIGATED ...

IRON-BASED RARE EARTH-BORON PERMANENT MAGNETS OF THE COMPOSITION FE14ND2B WHICH WERE DISCOVERED SEVERAL YEARS AGO POSSESS MAGNETIC ENERGY PRODUCTS EXCEEDING 40 MGOE. THE OPPORTUNITY EXISTS TO DESIGN ASYNCHRONOUS MOTOR WITH SUCH PERMANENT MAGNET MATERIALS. SINCE THE WEIGHT OF A MOTOR IS INVERSELY PROPORTIONAL TO THE ENERGY PRODUCT OF THE MAGNET, IT IS CLEAR THAT MOTORS DESIGNED FROM SUCH HIGH ENERG ...

THE TREND CONTINUES TOWARDS APPLYING ADVANCED COMPOSITE MATERIALS TO THE HIGH PERFORMANCE STRUCTURES ASSOCIATED WITH AEROSPACE. STRUCTURES FABRICATED FROM CARBON-CARBON AND FILAMENT WOUND COMPOSITES ARE PARTICULAR EXAMPLES. TO FULLY EXPLOIT THE PROMISE OF THESE ADVANCED STRUCTURES, NOVEL NDE TECHNIQUES ARE NEEDED FOR CHARACTERIZATION. DUAL-ENERGY LAMINOGRAPHY SPECIFICALLY ADDRESSES THE CHEMICAL, D ...

THE COMPUTATIONALLY INTENSE NATURE OF BLADE ELEMENT ROTORCRAFT MATH MODELS HAS LIMITED THEIR USE IN REAL-TIME SIMULATIONS TO LARGE MAINFRAME COMPUTERS OR SPECIAL PURPOSE COMPUTER SYSTEMS. BLADE ELEMENT MODELS ARE, HOWEVER, NECESSARY TO ACCURATELY REPRODUCE THE ROTORCRAFT RESPONSE DURING COMPLEX MANUEVERS, SUCH AS THOSE REQUIRED FOR COMBAT. THE RECENTLY RELEASED DEC MICROVAX II COMPUTER HAS THE CAP ...