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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 ...

THE PROBLEM IS TO DEVELOP SHALLOW DEPTH ROTATING BANDS FOR HIGH VELOCITY PROJECTILES THAT WILL MINIMIZE BARREL EROSION AND REDUCE DRAG TO AN ABSOLUTE MINIMUM, USING INEXPENSIVE METHODS OF RETAINING INJECTION-MOLDABLE THERMOPLASTIC MATERIALS. THE PROPOSED APPROACH IS TO TRADE OFF STRONGLY-RETAINED LOW DRAG ROTATING BANDS AGAINST BARREL EXIT-SEPARATING BANDS THAT ARE ASSISTED IN RETENTION INSIDE THE ...

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 ...

THIS PROJECT WILL PREPARE FOR EVALUATION A MATERIAL WHICH SHOULD DEMONSTRATE SUPERIOR PERFORMANCE IN ABSORBING AND DISSIPATING EXPLOSION SHOCK ENERGY. THE COMPOSITION PROPOSED AND ITS BASIS FOR PERFORMANCE ARE EXPLAINED. SHOCK WAVE TESTING WILL BE UNDERTAKEN; AND BASED ON THE RESULTS, RECOMMENDATIONS WILL BE MADE FOR FUTURE PROJECT DIRECTION.

THE NEED TO APPLY EXPERT KNOWLEDGE IN THE INTERPRETATION OF MEDICAL IMAGERY AND SENSOR DATA IS WELL DOCUMENTED. RULE-BASED EXPERT SYSTEMS HAVE PROVEN THEIR VALUE IN SUCH APPLICATIONS AS MEDICAL EXPERTISE. MOST DIAGNOSTIC SYSTEMS MIMIC THE CONSULTING-ROOM ENVIRONMENT, ACQUIRING SYMPTOM DESCRIPTIONS AND LAB FINDINGS THROUGH DIALOG WITH THE USER. AUTOMATED DIAGNOSIS FROM IMAGERY AND ANALOG IS A MORE ...

ANALYTICS HAS DEVELOPED A TECHNIQUE WHICH WE CALL MHC, OR MODIFIED HUFFMAN CODING. OUR PROPOSED UTILIZATION AND IMPLEMENTATION OF THIS INNOVATIVE TOOL WOULD REQUIRE NO MODIFICATIONS TO EXISTING NAVAL C3 SYSTEMS. THIS PHASE I SBIR WILL INVESTIGATE THE FEASIBILITY AND USABILITY OF A UNIQUE FORM OF ENCODING THAT WE HAVE DEVELOPED. OUR CONCEPTUAL DESIGN FOR THIS SYSTEM, WE BELIEVE, CAN COMPRESS TYPICA ...

THE RESEARCH FOR AN ALTERNATE MEANS TO CRT TECHNOLOGY OF GENERATING VISUAL DISPLAY HAS BEEN UNDERWAY FOR YEARS. THE PROGRAM PROPOSED WILL DEFINE A METHOD OF PRODUCING A "CRT" TYPE OF VISUAL DISPLAY USING A LASER SCANNING CONCEPT PREVIOUSLY BASED ON WORK AT APA OPTICS, INC. THE PREVIOUS WORK DEFINED A METHOD OF GENERATING A NONMOVING PART SINGLE AXIS LASER SCAN GENERATOR. THIS PROGRAM WILL INVESTIG ...

USE OF ATOMIC LAYER EPITAXY IS BEING INVESTIGATED FOR GROWING SINGLE CRYSTAL ALGAN LAYERS. THE FORMATION OF NITROGEN VACANCIES IS EXPECTEDTO BE SUPPRESSED BY THE UNIQUE ATOMIC LAYER DEPOSITIONS AND THE EXCITATION OF NH3 GAS BY A LASER SOURCE. THIS SHOULD RESULT IN HIGH QUALITY LARGE AREA SINGLE CRYSTAL LAYERS OF ALGAN WHICH COULD BE USED TO MAKE SOLAR BLIND ULTRA-VIOLET (UV) SENSORS. THESE THIN EP ...

THE OBJECTIVES OF THE PROPOSAL EFFORT ARE TO IMPROVE THE RELIABILITY AND TO REDUCE THE FABRICATION COSTS OF SINGLE MODE FIBEROPTICS COUPLERS BY: 1. DEVELOPING THICK, SINGLE MODE WAVEGUIDES WITH IDENTICAL CROSS SECTIONAL PROFILE MATCHING THAT OF SINGLE MODE FIBERS; AND 2. LOCATING THESE FIBERS TO WAVEGUIDES, MADE OF ELECTROOPTIC MATERIAL, USING PREALIGNED ETCHED "V" GROOVES IN A GAAS SUBSTRATE. OUR ...

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