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Heart rate variability (HRV), a feature extracted from the heart rate signal, is commonly used for monitoring training loads, and fitness status within athletes. Various sensors can be used to ascertain HRV within athletes; two of which are considered within this investigation, namely PPG and ECG. We present methods for HRV collection and calculation using PPG, reducing HRV collection time requirement...
Piezoelectric microcantilever transducers based on lead zirconate titanate (PZT) thin film have received considerable interest because of their wide potential applications in nanotechnology, biosensors and microelectromechanical systems. In this work a self-sensing and self-actuating PZT piezoelectric cantilever array is designed and fabricated for parallel dynamic Atomic Force Microscope (AFM) imaging...
Node localization which is determining where a given node is physically or relatively located is extremely crucial for most of the applications in wireless sensor network. In this article, we review and describe the taxonomy and fundamental localization methods. The current research in WSN localization algorithms are introduced, analyzed and concluded. The point is that no single algorithm performs...
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