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WITH THE ADVENT OF LASERS IN COMMUNICATIONS, ONE TECHNIQUE THAT IS EMPLOYED IS DIRECT AMPLITUDE MODULATION OF THE SOURCE LASER WITH THE RF WAVE THAT ACTUALLY CARRIES THE INFORMATION OF INTEREST. DEMODULATION IS PERFORMED VIA DIRECT DETECTION OF THE RECEIVED BEAM FOR MANY SHORT-DISTANT COMMUNICATIONS. A LIMITATION ON THIS TECHNIQUE IS THE LINEARITY OF THE DIRECT MODULATION. THAT IS, THE AMPLITUDE O ...

WE PROPOSE TO DESIGN AND SIMULATE A MASSIVELY PARALLEL DATA COMPRESSION SYSTEM FOR WIDE BAND VIDEO THAT IS CAPABLE OF PROCESSING DATA STREAMS OF 1 BILLION BITS PER SECOND IN REAL TIME. THE WORK PROPOSED HERE PROVIDES THE BASIS FOR A SUBSEQUENT PHASE II PROPOSAL TO BUILD THIS HARDWARE. ANTICIPATED BENEFITS/POTENTIAL COMMERCIAL APPLICATIONS - HIGH SPEED COMMUNICATIONS, MASS DATA STORAGE. KEY WORDS - ...

The proof of concept research explores the potential for integrating the following four 'personal devices's () baseline IFF personal device () data applique interface to field processors () audio applique interface to voice headset or audio monitor () video applique interface to camera and display into a single, wearable non-line of sight spread spectrum IFF, tracking and duplex multimedia com ...

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Workflow Processes are used to organize and control information access and processing in networked computing environments. There is a need to begin developing standards and mechanisms that can be used to provide dynamic, configurable, secure, and verifiable workflow systems. In a multi-user, multi-source, multi-classification environment, robust security is anything but simple. We propose to i ...

In this effort ALPHATECH will develop algorithms for extraction of purposeful temporal-spatial patterns from moving vehicle data and demonstrate their efficiency on a set of simulated MPA scenarios. We apply unsupervised learning algorithms to find similarities between traffic activities. Traffic activities are constructed using ALPHATECH's multiple hypothesis tracking algorithm and grouping cor ...

FOSTER-MILLER PROPOSES TO DEVELOP AN INNOVATIVE MULTICHIP PACKAGING (MCP) APPROACH THAT WILL RESULT IN SIGNIFICANT IMPROVEMENT IN SILICON PACKING DENSITY AND REDUCTION IN COST COMPARED TO STATE-OF-THE-ART MCP TECHNOLOGIES. THE FOSTER-MILLER APPROACH WILL USE HIGHLY IMPERMEABLE LIQUID CRYSTAL POLYMERS TO ELIMINATE THE NEED FOR A "HERMETIC HOUSING" FOR MULTICHIP PACKAGES. A NOVEL PROCESS IS PROPOSED ...

Development of Vertical Cavity Surface Emitting Lasers for 1550nm communication applications has been hindered by the lack of high quality Bragg mirrors. Efforts for growing high quality InGaAsP/InP, SbGaAsAI/InGaAsP as well as wafer-bonding with GaAs/AIOx mirrors are on-going but significant breakthroughs in material quality and yield are needed before devices are produced. In addressing this ch ...