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While computer simulation packages are commonly available, many simulations are still written without the use of existing software. This fact is primarily because current software simulation technology has some serious limitations. For example, current packages rely on cartoon-like, predefined, 2-dimensional graphical representations and are difficult to extend. Further, the packages do not take a ...

As mission critical avionics systems increase in complexity, the evaluation of their performance and reliability will become more difficult. We propose to select and to integrate a group of reliability and performance analysis tools, specifically designed to handle the fault-tolerant operational aspects of the next generation avionics architectures. These tools will support both hardware and softw ...

The objective of the proposed work is to design a lightweight mass spectrometer system based on a time of flight mass spectrometer with atmospheric pressure ion source. It is expected that this device will be able to measure ppb concentrations of atomic species in the 50-300 charge-to-atomic mass ratio range. Supporting electronics will be engineered from experience on constructing electronics pac ...

THIS PROPOSAL DESCRIBES AN APA OPTICS PROGRAM TO DEVELOP A HIGH SPEED (100GHZ) GAAS WAVEGUIDE BASED MACH ZEHNDER MODULATOR. OUR APPROACH CENTERS ON THE USE OF A BURIED ELECTRODE CONFIGURATION TO ACHIEVE VELOCITY MATCHING OF THE RF AND OPTICAL SIGNALS. THIS WE FEEL WILL RESULT IN A DEVICE WITH A BROADBAND RESPONSE FROM DC TO 100GHZ. WE WILL WORK IN CONJUNCTION WITH THE ULTRFAST SCIENCE LAB AT THE U ...

THERE IS A NEED FOR A HIGH SPEED, HIGH RESOLUTION CORRELATION SYSTEM FOR TARGET TRACKING, WHICH IS COST EFFECTIVE, AND FIELDABLE FOR USE ON THE FORWARD AREA AIR DEFENSE (FAAD) SYSTEM. SUCH A TRACKER SHALL BE CAPABLE OF OPERATING AT HIGHER THAN NORMAL TV RATES, TO PROVIDE THE NECESSARY DYNAMIC TRACKING ACCURACY AND ACCOMODATE TARGET SIZE AND ROTATIONAL CHANGES. THE PROGRAM EFFORT IS TO DEVELOP A CU ...

THE ENZYME-LINKED IMMUNOSORBENT ASSARY (ELISA) IS A MAJOR TOOL FOR DETECTING INFECTIOUS AGENTS, PROTEINS, AND DRUGS IN BIOLOGICAL FLUIDS, OR CONTAMINANTS IN ENVIRONMENTAL SAMPLES. THE MAJORITY OF ELISA'S ARE DESIGNED TO DETECT A SINGLE ANALYTE. WE PROPOSE HERE TO DEVELOP A THREE-ENZYME ELISA SYSTEM IN WHICH THREE ANALYTES CAN BE QUANTITATED CONCURRENTLY FROM A SINGLE SAMPLE. WE HAVE IDENTIFIED THR ...

A PROJECT IS PROPOSED TO DEVELOP A BIOSENSOR FOR MEASURING PATHOGENIC MICROORGANISMS IN WATER BY MEASURING CHANGES IN CONDUCTANCE ACROSS MICROPOROUS, POLYCARBONATE MEMBRANE COATE WITH SPECIFIC ANTIBODIES. THE MEMBRANES WILL BE COATED WITH HYDROPHILIC POLYMERS USING PHOTOCHEMICAL COUPLING. ANTIBODIES SPECIFIC FOR THE ANALYTE WILL THEN BE COUPLED TO THE POLYMER-COATED MEMBRANES PRIMARILY IN THE PORE ...

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