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The Navy's reinforced concrete structures represent an invaluable asset to the nation's defense preparedness. However, some facilities are approaching a critical state of disrepair and represent a substantial facility management burden due to uncontrolled severe deterioration of reinforced concrete in marine environments. Naval Facilities Engineering Service Center's professionals estimate that ...

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A UNIQUE CONCEPT HAS BEEN DEVELOPED THAT USES THE PERFORMANCE ADVANTAGES OF WIDE BANDWIDTH ACOUSTIC CHARGE TRANSPORT (ACT) DELAY LINES AND TRANSVERSAL FILTERS TO ACHIEVE LOW PROBABILITY OF INTERCEPT AND JAM RESISTANCE IN A SPREAD SPECTRUM COMMUNICATIONS LINK. RATHER THAN THE USUAL STORED REFERENCE APPROACHES THAT EXHIBIT EITHER LONG ACQUISITION AND SYNCHRONIZATION CYCLES OR LIMITED PROCESSING GAIN ...

WE PROPOSE TO DEVELOP A MULTI-CHANNEL FIBER OPTIC INTERCONNECTION DEVICE THAT CAN WITHSTAND THE SEVERE CONDITIONS OF THE MILITARY AIRCRAFT ENVIRONMENT. THE PROPOSED INTERCONNECT DEVICE CONSISTS OF AN ADAPTER AND A CONNECTOR FOR RIBBON FIBERS OR MULTI-CHANNEL CABLES. THIS DEVELOPMENTAL ACTIVITY WILL FOCUS ON ADVANCED TECHNOLOGIES AND ADVANCED ENGINEERING MATERIALS. SPECIFICALLY, WE INTEND TO USE ET ...

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MULTIPLE-TARGET, MULTIPLE-WEAPON ENCOUNTERS, NOT ISOLATED ENCOUNTERS BETWEEN SINGLE TARGETS AND SINGLE WEAPONS, TYPIFY COMBAT. CONFIGURAL THEORY IS A MATHEMATICAL CONCEPTUALIZATION OF COMBAT -SPECIFICALLY, A CONCEPTUALIZATION OF THE RELATIONSHIP BETWEEN THE BEHAVIOR OF WEAPONS IN USE AND THEIR INDIVIDUAL CHARACTERISTICS -THAT ENCOMPASSES A FUNDAMENTAL ELEMENT OF MULTIPLE-TARGET, MULTIPLE-WEAPON EN ...

The overall objective of Phase I and Phase II is to develop (1) the mathematical means to design, control, and modify a minesweeping operation in order to minimuze the time needed to nullify a minefield with specified assets in the light of intelligence, surveillance, and reconnaissance (ISR) products that become available befor and during the mine countermeasure operation and (2) a software imple ...

FOUR DESIGN TECHNIQUES WILL BE EVALUATED AND RADOME MATERIALS WILL BE SELECTED TO OBTAIN DESIGNS FOR POLARIZATION INSENSITIVITY RADOMES FOR HIGH SPEED MISSILE APPLICATIONS. THE FOUR TECHNIQUES WILL INCLUDE THE DIELECTRIC RING/STRIP, WIRE GRID, ANISTROPIC PATCH AND ANISTROPIC FABRIC METHODS. COMPUTER ANALYSIS AND LIMITED FLAT PANEL TESTING WILL BE PERFORMED TO DEMONSTRATE THE FEASIBILITY OF THE DES ...