A robust effect of the defect on the switching behavior in carbon-based molecular device.

In this paper, we investigate the effects of spin-dependent electron and defect in the carbon-based molecular device. Our proposed molecular device is designed by two carbon chains, which is bonded to a defect. The defect topology includes pentagonal and octagonal carbon rings, which is put between two zigzag-edged graphene nanoribbon (ZGNR).

An Efficient Teager Energy Operator-Based Automated QRS Complex Detection.

Database: The efficiency and robustness of the proposed method has been tested on Fantasia Database (FTD), MIT-BIH Arrhythmia Database (MIT-AD), and MIT-BIH Normal Sinus Rhythm Database (MIT-NSD).

Aim: Because of the importance of QRS complex in the diagnosis of cardiovascular diseases, improvement in accuracy of its measurement has been set as a target. The present study provides an algorithm for automatic detection of QRS complex on the ECG signal, with the benefit of energy and reduced impact of noise on the ECG signal.

Shannon's Energy Based Algorithm in ECG Signal Processing.

Physikalisch-Technische Bundesanstalt (PTB) database is electrocardiograms (ECGs) set from healthy volunteers and patients with different heart diseases. PTB is provided for research and teaching purposes by National Metrology Institute of Germany. The analysis method of complex QRS in ECG signals for diagnosis of heart disease is extremely important.