John J. Vaccaro

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This article is based on the authors' experience in designing and implementing outcomes management systems for large managed care organizations. Topics addressed include design of instruments, use of cost-effective technology, development of computerized decision-support tools, and methods for case-mix adjustment. The case-mix-adjustment models are based on(More)
This paper presents new expressions for the bias error and variance introduced by multipath onto the time of arrival estimate obtained using a non-coherent early-late gate discriminator. The results include the effect of front-end bandwidth and early-late gate spacing. We also investigate a blind method for cancelling the multipath, in order to improve the(More)
Approved for public release; distribution unlimited. Abstract Narrowband interference can seriously degrade the performance of GPS systems. Several techniques exist for reducing this interference, including adaptive transversal filters, overlapped FFTs, and filter banks. All these techniques attempt to filter out the interference before the GPS receiver(More)
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Multiply By To obtain acre 0.4047 hectare (ha) acre 0.004047 square kilometer (km 2) foot (ft) 0.3048 meter (m) mile (mi) 1.609 kilometer (km) section (640 acres or 1 square mile) 259.0 square hectometer (hm 2) square mile (mi 2) 259.0 hectare (ha) square mile (mi 2) 2.590 square kilometer (km 2) Abstract Selected groundwater level hydrographs for the(More)