An arrhythmia is an irregular heartbeat that causes abnormal heart rhythms. Manual analysis of electrocardiogram (ECG) signals not sufficient to quickly detect cardiac arrhythmias. This study proposes a deep learning approach based on convolutional neural network (CNN) architecture for the classification arrhythmias (ARR), congestive failure (CHF), and normal sinus rhythm (NSR). First, ECG sign...

Mode-converted PS-waves can provide valuable information for anisotropic parameter estimation that cannot be obtained from compressional waves alone. In a previous paper, we developed an efficient tomographic methodology for 2D joint velocity analysis of PP and PS data from VTI (transversely isotropic with a vertical symmetry axis) media. The algorithm is designed to flatten image gathers of PP...

Polarity changes in converted-wave images constructed by elastic reverse time migration cause destructive interference after stacking over the experiments of a seismic survey. This polarity reversal is due to PS and SP reflectivities reversing sign at certain incidence angles, e.g., at normal incidence in isotropic media. Many of the available polarity correction methods are complex and require...

• Large-scale field experiments demonstrate the ultra-wide first bandgap. Achieve a bandgap with relative bandwidth of 1.17. Study characteristic by using complex band structures. Seismic metamaterials (SMs) are expected to assist or replace traditional isolation systems owing their strong attenuation seismic waves. In this work, one-dimensional inverted T-shaped SM (1D ITSM) composed arrays st...

30 Theta waves in the amygdala are known to be synchronized with theta waves 31 in the hippocampus. Synchronization between amygdala and hippocampal theta waves 32 is considered important for neuronal communication between these regions during the 33 memory-retrieval process. These theta waves are also observed during rapid eye 34 movement (REM) sleep. However, few studies have examined the mec...

The mechanism governing the number of follicle-stimulating hormone (FSH) peaks and emerging follicular waves in ruminants remains unknown. The main purpose of the present study was to examine the relationships between progesterone (P(4)) levels, circulating concentrations of FSH and antral follicular development throughout the interovulatory interval in sheep. We retrospectively analyzed and co...