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INNOVATIVE APPROACHES ARE DESCRIBED IN THIS PROPOSAL FOR SUPPRESSING FREQUENCY MODULATION ON A SINUSOIDAL CARRIER. PARTICULAR EMPHASIS IS DIRECTED TO THE SUPPRESSION OF IDENTIFIABLE COMPONENTS OF A COMPOSITE MODULATION PROCESS FOR THE PURPOSE OF RETAINING, FOR SEPARATE MEASUREMENT, ANY FORM OF RANGE-RATE DOPPLER SHIFT/MODULATION PRESENT. THE PROPOSED EFFORT WILL CONSIST OF AN ANALYTICAL STUDY FOR ...

RESEARCH ON SEPARATION AND CONCENTRATION OF LUNAR DERIVED MATERIALS IS PROPOSED BASED ON ADVANCED ENERGY DYNAMICS' STATE OF THE ART EXPERIENCE IN DRY ELECTROSTATIC SEPARATION.THE TECHNICAL FEASIBILITY OF SEPARATING THESE MATERIALS INTO A VARIETY OF CHEMICALLY DISTINCT FRACTIONS USING A NOVEL COUNTERCURRENT ELECTROSTATIC PROCESS WILL BE INVESTIGATED. THE ELECTROSTATIC SEPARATOR TO BE USED IS IDEALL ...

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THE WASTE HEAT EXCHANGER IS OFTEN THE LARGEST SINGLE COMPONENT IN DIESEL-EXHAUST POWERED AIR CONDITIONING SYSTEMS, AND ON ACCOUNT OF ITS HIGH MATERIAL CONTENT, IS OFTEN THE HEAVIEST AND MOST COSTLY AS WELL. THE NEED EXISTS FOR A HEAT EXCHANGER DESIGN AND FABRICATION TECHNIQUE WHICH IS COMPACT AND LIGHTWEIGHT, RESISTS FOULING FROM EXHAUST GASES, IS EASILY CLEANED, USES INEXPENSIVE MATERIALS, AND IS ...

THE PURPOSE OF THIS PROPOSAL IS TO DESIGN, CONSTRUCT AND TEST A LABORATORY VERSION OF A PASSIVE CHLOROPHYLL FLUORESCENCE SENSOR SUITABLE FOR MONITORING LARGE AREAS OF VEGETATION (> 1 M2). THE LINE DISCRIMINATOR METHOD WE PROPOSE EXPLOITS A COINCIDENCE BETWEEN AN ABSORPTION LINE OFATMOSPHERIC OXYGEN AND THE R1 LINE OF A COOLED RUBY CRYSTAL,BOTH OF WHICH LIE NEAR THE PEAK OF THE CHLOROPHYLL FLUORESC ...

A KEY REQUIREMENT FOR THE SUCCESS OF THE NEW, TACTICAL RADIATION DOSIMETRY INSTRUMENTATION NOW BEING DEVELOPED BY THE ARMY IS TO HAVE AN ENERGY COMPENSATED, SOLID STATE GAMMA RAY SENSOR. ATTEMPS TO USE TRADITIONAL FILTERING TECHNIQUES TO ACHIEVE A FLAT ENERGY RESPONSE HAVE NOT BEEN SUCCESSFUL AND A NEW APPROACH IS REQUIRED. WE PROPOSE TO UTILIZE RECENTLY AVAILABLE, INEXPENSIVE DIGITAL MICROCHIPS T ...

ROBOTICS IS BECOMING AN INCREASINGLY IMPORTANT FIELD IN RESEARCH AND MANUFACTURING. MOST ROBOTS, HOWEVER, EITHER PERFORM REPETITIVE PREPROGRAMMED OPERATIONS OR ARE GUIDED BY A HUMAN OPERATOR. THIS IS NOT PRACTICAL IN MANY APPLICATIONS WHERE AUTONOMOUS OPERATION IS REQUIRED, AND THE MOST IMPORTANT IMPROVEMENTS IN FUTURE GENERATIONS OF ROBOTS, ESPECIALLY FOR SPACE APPLICATIONS, WILL COME IN THE AREA ...

ONE OF THE MOST EXCITING GOALS OF THE NASA SPACE PROGRAM IS TO LAND A VEHICLE ON MARS AND CONDUCT PHYSICAL AND CHEMICAL MEASUREMENTS OF THE MARTIAN SURFACE. OF THE VARIOUS ANALYTICAL TECHNIQUES BEING CONSIDERED FOR THE LANDER MISSION, X-RAY FLUORESCENCE ANALYSIS OFFERS THE POSSIBILITY OF PROVIDING THE IN-SITU INFORMATION ABOUT THE CHEMICAL COMPOSITION OF THE PROSPECTIVE SAMPLES WHICH WILL BE SELEC ...

THE RECENT DISCOVERY OF SUPERCONDUCTIVITY AT HIGH TEMPERATURE (90 DEG K) IN COPPER CONTAINING CERAMICS HAS RESULTED IN A RAPID ACCELERATION IN SUPERCONDUCTOR RESEARCH. PRODUCTION TECHNIQUES ARE BEING EXAMINED FOR THE FABRICATION OF BULK AND THIN FILM SAMPLES. THE CURRENTLY USED PROCESSES FOR MAKING THIN FILMS OF SUPERCONDUCTORS ARE PRIMARILY LIMITED TO EXPENSIVE, SMALL SCALE, LABORATORY TECHNIQUES ...

THE WHITE SANDS MISSILE RANGE GAMMA RAY FACILITY IS USED TO QUALIFY MILITARY EQUIPMENT FOR RADIATION HARDNESS. ISOTOPIC SOURCES OF 60 CO AND 137 CS ARE USED TO PRODUCE INTENSE GAMMA RAY FIELDS THAT ALLOW TESTING OF ELECTRONIC SYSTEMS IN ENVIRONMENTS THAT APPROXIMATE ANTICIPATED NUCLEAR BATTLEFIELD CONDITIONS. RECENTLY IT HAS BECOME CLEAR THAT DOSE ENHANCEMENT EFFECTS PRODUCED BY A LOW ENERGY COMPO ...