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On-line Heart Rate Monitoring Using the Extra-corporeal Pressure Sensors of a Dialysis Machine

Heart rate can be extracted from the extracorporeal venous pressure signal of a dialysis machine. The results are of comparable accuracy and reliability to the ones obtained by the PPG reference signal from a pulse oximeter. Difficulties that occur during heart rate estimation were determined, and some can be overcome by a slight adjustment of blood flow rate. The described techniques, after being

Media and civil society in China: Community building and networking among investigative journalists and beyond

Although Chinese journalists are not able to create their own independent organisations, they are engaging in informal networking on-line and off-line that has created a strong sense of community among investigative journalists in particular. Through sharing experiences, stories, and struggles, journalists create a collective identity and define their roles in society. Earlier studies of Chinese j

A 4.6GHz PLL with automatic frequency calibration based on multiple-pass ring oscillator

A good-performance high-frequency Phase Locked Loop using a ring oscillator is described. A Voltag e Controlled Oscillator with automatic calibration of frequency fluctuated by proce ss and tempe rature variations is propo sed. The VCO adopts new multiple-pass loop to improve frequency with unchangeable stages (phases). The circuit is implemented with TSMC O. I8um standard CMOS technology and powe

Assessing accuracy in linkage analysis by means of confidence regions

When statistical linkage to a certain chromosomal region has been found, it is of interest to develop methods which quantify the accuracy with which the disease locus can be mapped. In this paper, we investigate the performance of three different types of confidence regions with asymptotically correct coverage probability as the number of pedigrees grows. Our setup is that of a saturated map of ma