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Pattern recognition systems using optical correlation are being developed. The optical correlator is a powerful tool since it simultaneously processes large data arrays. This capability reduces data handling and process control, makes the system less susceptable to obstruction and increases throughput. An optical correlator is also a phase sensitive detector. It can read an optical phase mask ...

Cylindrical non-axisymmetric optical components are becoming increasingly important to both commercial and military applications. Current manufacturing methods are very labor intensive and require dedicated tooling. This resulted in a major shift of manufacturing base to off shore manufacturers. Recent advances in Deterministics Microgrinding of spherical surfaces demonstrate that specular surf ...

SMD proposes the design and fabrication of a two-dimensional APD array. A novel APD array is proposed which requires low bias voltages, thus making it compatible with both CMOS and CCD multiplexer designs. The on-chip CMOS/CCD circuitry will allow for multiplexing of a large number of pixels to a single output. Further, each pixel in the APD array will have its own range detection circuitry allo ...

Q-DOT proposes to develop a unizue, lower-power, low-cost beamformer for portable imaging sonars. The original two chip set will form 100 beams from 100 input channels. A 0.3 cm2 BiCMOS chip comprises a low noise amplifier (LNA), a time-gain control (TGC), an apodizer and a Delta-Signma modulation (ADC) for each channel. A 0.66 cm2 CMOS chip accepts 100 digital input channels and produces 100 d ...

Scientific Fishery Systems, Inc. (SciFish) recently completed a Phase I SBIR that used neural networks to learn the relationship between temperature and the spectra of broadband returns for a fixed location during a fixed time of the year. This approach relaxes the assumption of the consistency of backscatterers: now we will assume that the backscatter will be consistent at the same location at ...

21st Century Systems, Inc. (2CSI, formed April 1996) proposes a tool suite which will combat architectural design errors in large-scale, high-assurance systems through systematic and intelligent simulation and modeling of alternate designs. The suite will feature a wide range failure analysis, identification, isolation, correction and management tools, and will make use of many innovative resourc ...

Asthma is a major health problem facing the US, and the rest of the world's population. What is needed, both for the military as well as the civilian population, are rapid screening tests that would reduce the demand for intensive examinations. Exhaled breath monitoring is thus a new tool in the non-invasive assessment of airway inflammation which may be present before the onset of airway obstruct ...

System dependability is an increasingly important characteristic of mission critical computer systems. These systems must be maintained in a state of readiness to perform critical functions, and must be able to perform these functions correctly despite the presence of imperfections in system components, and in the environments in which the systems operate. Automated tools are needed to assist in ...

The airborne reconnaissance community currently utilizes tape based storage technology. While this technology is proven, it still suffers from low mean time between failure (MTBF) and substandard data throughput rates. Additionally, with the introduction of state-of-the-art sensor platforms, it has become increasingly clear, that a more reliable, higher data rate (Greater than 240Mbits/second), ...

The airborne reconnaissance community currently utilizes tape based storage technology. While this technology is proven, it still suffers from low mean time between failure (MTBF) and substandard data throughput rates. Additionally, with the introduction of state-of-the-art sensor platforms, it has become increasingly clear, that a more reliable, higher data rate (Greater than 240Mbits/second), ...