Abstract:Two essential elements of any physical security system are the security sensors themselves and the communications network which interconnects them. Highly sophisticated biometric sensors which provide rapid, accurate personnel identification are currently available from several vendors and it is… more
Abstract:The need to distribute information from localized data bases to remote sites efficiently has become increasingly important. Due to the reaction time constraints, latency on the information must be held to a minimum. A solution is described which will interface wo existing data base equipment and… more
Abstract:AN EFFICIENT TECHNIQUE FOR DETERMINING OPTIMAL GROUNDWATER USAGE IS CRUCIAL TO THE DEVELOPMENT OF AN IMPROVED APPROACH FOR MANAGING AND PLANNING WATER RESOURCES. A METHOD, BASED ON THE BOUNDARY INTEGRAL EQUATION METHOD (BIEM), IS PROPOSED FOR PERFORMING ANALYSIS OF ROUNDWATER FLOWS. THE NEW APPROACH… more
Abstract:A MATHEMATICAL MODEL, USING THE DUAL-POROSITY CONCEPT, IS BEING INVESTIGATED FOR THE TRANSPORT OF CONTAMINANTS IN UNSATURATED FRACTURED ROCKS. THE FORMATION IS VISUALIZED AS A COMPOSITE OF TWO OVERLAPPING CONTINUA: THE POROUS MATRIX AND THE FRACTURES. THESE TWO MEDIA COMMUNICATE VIA INTERPOROSITY… more
Abstract:Recycling of plastic containers has been retarted by the lacck of demand for plastic scrap. This is due to the dearth of products manufactured from recycled plastics. One of the reasons for this is the poor quality surface finish which is obtainable from recycled plastics such as high density… more
Abstract:THE OBJECTIVES OF THIS PROGRAM ARE TO: (A) DEMONSTRATE THE FEASIBILITY OF "GC" DESIGN CONFIGURED BEARINGS, MANUFACTURED WITH SELECTED POWDERED MATERIALS TO ELIMINATE FIELD MAINTENANCE AND SERVICE REQUIREMENTS OF HMMVV UNIVERSAL JOINTS AND FIVE TON TRUCK SLEEVE BEARINGS AND TO (B) DEMONSTRATE THIS… more
Abstract:THE PROJECT WILL ADDRESS THE DEVELOPMENT OR ADAPTATION OF ASSISTIVE DEVICES TO FACILITATE COMMUNICATIONS AND LANGUAGE DEVELOPMENT, AND ACCESS TO MAINSTREAM ENVIRONMENTS BY INFANTS, TODDLERS, PRESCHOOLERS, CHILDREN AND YOUTH WITH DISABILITIES, SPECIFICALLY CHILDREN WHO MUST RELY ON AUGMENTATIVE AND… more
Abstract:THE DIFFICULTIES IN MEETING THE MATERNAL AND INFANT HEALTH OBJECTIVES FOR YEAR 2000 DO NOT LIE EXCLUSIVELY IN IMPROVING SERVICE DELIVERY SYSTEMS FOR PREGNANT WOMEN AND YOUNG INFANTS. ALSO CRUCIAL ARE THE MEASURING DEVICES AND TOOLS THAT ARE AVAILABLE TO ASSESS WOMEN AND CHILDREN MOST "AT RISK", TO… more
Abstract:In recent years, the United States has lost its technological advantage in many areas in which it pioneered research and development, due to poor make-or-buy decisions by business, or because of a reluctance to make long term business investments. This loss of technological advantage has had a… more
Abstract:This project will utilize the modified-Bridgeman technique of crystal growth for the high temperature processing of gamma TiAl alloys. It will develop and test eight distinct mold materials for their performance and product integrity. Attention will focus on the relationship between the mold wall /… more
Abstract:This research will explore: (1) real-time Data Base Management System (RT-DBMS) high-level query language, and (2) the primitive level language interface to RT-DBMS "engines." We will focus on interface features rather than implementation issues. The goal is to provide RT-DBMS technology for… more
Abstract:THE OBJECTIVE OF THE PROPOSED PROJECT IS TO DEVELOP AND DEMONSTRATE A LOW- COST ALTERNATIVE TO A MODIFIED CLAUS PLAN FOR CONVERSION OF SO2 TO ELEMENTAL SULFUR, AND, MORE SPECIFICALLY, TO OPTIMIZE AN EXISTING ACID RAIN SORBENT REGENERATION PROCESS DEVELOPED BY SANITECH TO YIELD DIRECTLY A PURE… more
Abstract:The immediate Spectra Group Ltd (SGL) contribution in responding to N93-045 is the capacity to produce rapid prototypes directly from CT scans using stereolithography. SGL has been printing medical models derived from CT scans for more than a year and has access to industrial CT scan devices… more
Abstract:The AN/MPS-36 radar is a missile range instrumentation radar used for precision tracking of flight vehicles. Angular resolution is achieved by a monopulse lobing technique. The AN/MPS-36 radars were built in the 1970'x and since their inception have been subject to occasional tracking problems… more
Abstract:Spectra Research, Inc. (S*R) proposes to develop and demonstrate a technique for detecting low power CW laser sources operating in the visible (0.4-1.1 m), near infrared (1.0-3.0 m), and far infrared (9.0-11.0 m) spectral bands and to formulate a design for a visible spectral band system for… more
Abstract:For this Phase I SBIR, Spectra Research, Inc. proposes to research rugged, non-intrusive IFF concepts which employ unique low cost discrimination techniques to detect and positively identify friendly combat soldiers. The proposed design operates on passive non-cooperative emissive radiation and… more
Abstract:Spectra Research Inc. (S*R) proposes to configure off-the-shelf specialized antennas for installation in the wall of an anechoic chamber to provide a quick look test capability where fine direction of arrival (DOA) is not required. Several technical approaches to the antenna installation will be… more
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