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This work extends Papoulis' (1977) general sampling expansion to the vector case where N band-limited signals are passed through a multi-input multi-output (MIMO) linear time invariant (LTI) system that generates M (M/spl ges/N) output signals. We find necessary and sufficient conditions for reconstructing the N input signals from the samples of the M(More)
This article outlines the development, successes, and future directions of the Medicare Peer Review Organization (PRO) program. As established by the Tax Equity and Fiscal Responsibility Act of 1982, the purpose of the PRO program is to promote the quality, medical necessity, and appropriateness of services reimbursed through Medicare. We describe the(More)
STUDY DESIGN The technique of hole preparation and the placement or orientation of anterior transvertebral screws in relation to the endplates were the subject of two experiments. OBJECTIVES Experiment 1--to determine if anterior transvertebral body screws have higher pull-out strengths after unicortical predrilling compared with a bicortical predrilling;(More)
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