Award Data

The extension of classical frequency domain and wavelet transformation adaptive subband decompositions result in arbitrary time frequency til. The use of a time-varying tree-structured filterbank is proposed to provide a signal dependent transform which is capable of tracking non-stationarities via local reconfigurations. Under stationary assemptions, the filterbank converges to a unitary operat ...

Additive technology has been developed which will extend the operating temperature of common aviation fuels like JP-5. However, the currently available additive packages cannot extend the operating temperature high enough to meet the anticipated requirements of future gas turbine engine designs. In addition, these additive packages usually deteriorate other performance properties of the fu ...

Marine storms strongly affect operations at sea, both DoD and commercial. The DMSP SSM/I clearly depicts certain features of marine storms. Improved depiction of these storms will aid nowcasting in support of execution.of operations at sea and fore- casting of the evolution of these storms in support of planning. However, SSM/I data as well as many other satellite data have only small impacts on t ...

N/A

Existing materials used for marine cable connectors each have drawbacks in terms of cost or performance. Alden Products Company proposes a program to develop a family of cable connectors and adapters that lower the present cost/performance barrier in two ways; through the use of alternative materials and through new manufacturing methods using the existing materials. The main goals of P ...

ALPHATECH has recently developed an integrated software environment for developing and testing prototype fault detection and identification (FDI) systems. It has been applied with excellent results (zero false and missed alarms, with 4% probability of deferral to the next decision time) to helicopter gearbox test-stand accelerometer data. The front-end of our environment extracts novel feature set ...

N/A

Semi-automated analysis of citrus grove data from remotely-sensed devices can reduce groundsurveying for appraisal, crop recording, yield analysis, and grove management. Although theygenerally start with the same aerial infrared imagery for their data collection, grove managers andindependent appraisers each have their own independent requirements for data analysis. By making theanalysis of this ...

N/A

In this six-month Phase I program, ANRO Engineering, Inc. proposes to investigate the properties of compact, low-cost, two-dimensional fiber optic and integrated optic Rotman lenses for application to wideband, multi-function RF/microwave/millimeter wave antenna (MFA) systems. The photonic Rotman lens will enable the reception and transmission of simultaneous, multiple frequency, independent ...