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Multiple access protocols are used to permit large numbers of independent transmitters to share a common communication channel. CDMA was developed as a multiple access network protocol for military applications during the last forty years. Recently considerable interest in using CDMA in the civilian sector has been evident. The implementation of CDMA multiple access networks is difficult because o ...

The goal of medical simulation-based training such as high-fidelity manikin simulators, part task trainers, and screen-based virtual patients, is to approximate real-life treatment experiences without risk to live patients. While the use of sensors has ma

A Phase I study is proposed to investigate the feasibility of applying a novel ray-tracing technique for electromagnetic propagation through the dense, refractive media of the earth's upper surface. Application of the technique to modern radar and navigation technology should result in the ability to conduct airborne surveillance of subsurface targets with three dimensional spatial resolution of l ...

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THIS STUDY UNDERTAKES AN ASSESSMENT OF THE MILITARY MARKET FOR APPLICATIONS OF AN OXYGEN EXTRACTION TECHNOLOGY BEING DEVELOPED BY DARPA AT THE AQUANAUTICS CORPORATION. THE POTENTIAL APPLICATIONS IDENTIFIED THROUGH A LITERATURE SEARCH AND TECHNICAL DISCUSSIONS WITH DEVELOPING AGENCIES ARE SUBJECTED TO AN OPERATIONAL, TECHNICAL, AND ECONOMIC FEASIBILITY ANALYSIS TO DETERMINE WHICH APPLICATIONS HAVE ...

Water is one of the basic commodities which will be needed in ever increasing quantities as industrialization and urbanization of the world progresses presenting many new challenges for the water processing industry. As new industrial products have been developed and manufactured with increasing complexity and sophistication so has the need for increasing the purity of the processing water that is ...

A NOVEL CONCEPT IS PROPOSED TO DEVELOP COATINGS WITH DUAL RADAR AND THERMAL SUPPRESSION CHARACTERISTICS. THE CONCEPT EMPLOYS WELL KNOWN TECHNIQUES USED FOR RADAR ABSORBING COATINGS AND COMBINES THEM WITH TECHNIQUES FOR PRODUCING LOW EMISSIVITY SURFACES IN THE INFRARRED WAVELENGTHS IN A WAY IN WHICH TOTAL COMPATIBILITY IS ASSURED. VARIOUS COMBINATIONS OF MATERIALS DEMONSTRATING THE APPROPRIATE PROP ...

This proposed effort is to evaluate the various Multichip Module technologies available in term of technology maturity and ability to manufacture large scale production quantities with a supply base that will allow the military ground vehicle manufacturers and automobile industry to include this technology in thier designs for antiskid brake systems and traction control systems. The technology app ...

DESIGN, SIMULATION, FABRICATION, AND EVALUATION OF A PROTOTYPE VERY LARGE SCALE INTEGRATION (VLSI) DATA ACQUISITION SUBSYSTEM IS PROPOSED. AVAILABLE STATE-OF-THE-ART ONE MICRON CMOS TECHNOLOGY MAY ALLOW INCORPORATION OF MORE THAN 128 CHANNELS OF 24-BIT 300 MHZ COUNTERS INTO A SINGLE INTEGRATED CIRCUIT. A PROTOTYPE SYSTEM OF SIMPLE REPEATED CELLS OF COUNTERS, CONTROL AND I/O BUFFERS HAS BEEN DESIGN ...

THE GOAL OF THIS PROJECT IS TO DEVELOP TECHNIQUES FOR COMPUTER SPEECH RECOGNITION USING PARALLEL DISTRIBUTED PROCESSING MODELS. THESE MODELS ARE BASED UPON THEORIES OF HUMAN COGNITIVE PROCESSING AND HAVE SEVERAL USEFUL PROPERTIES. THEY ARE VERY EFFECTIVE AND EFFICIENT AT INTEGRATING TOGETHER IMPRECISE INFORMATION, AND THUS FOR INTEGRATING MULTIPLE SOURES OF KNOWLEDGE FOR SPEECH RECOGNITION. THEY C ...