Double-sampling allows to double the sampling frequency of a Σ∆ ADC without increasing the clock frequency. Unfortunately, path mismatch between the double-sampling branches causes noise folding, which ruins the performance. The fully-floating integrator is an interesting circuit to be used in such a double-sampling Σ∆ ADC because it is tolerant to path mismatch. However, this circuit exhibits ...

Recent studies have shown that the variable sampling interval (VSI) scheme helps practitioners detect process shifts more quickly than the classical scheme (FRS). In this paper, the economically and statistically optimal design of the VSI T2 control chart for monitoring the process mean vector is investigated. The cost model proposed by Lorenzen and Vance (1986) is minimized through a genetic a...

OBJECTIVE The purpose of the study is to determine how frequently critical laboratory results (CLRs) occur and how rapidly they are acted upon. A CLR was defined as a result that met either the critical reporting criteria used by the laboratory at Brigham and Women's Hospital or other, more complex criteria. DESIGN This is a retrospective cohort study in a large academic tertiary-care hospita...

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