Get Spatial Separation of Spoof Surface Acoustic Waves on the Graded Groove Grating

The graded acoustic artificial structures having a gradual variation of their geometric parameters play an important role in manipulating propagation of acoustic waves. By continuously changing either the lattice constant or the geometric siz...

A Simple Route to ‘Textured’ Anisotropic Nanorod Assemblies of Flexible Piezoelectric Materials

Piezoelectric polymers have been used in a diverse range of application including sensing, actuation, data storage, and various acoustic and microelectromechanical systems. Their special characteristics like high electric breakdown field, lig...

Research Reveals Unusual Doping Effect in High Curie Temperature Piezoelectric Ceramics

Piezoelectric ceramics with a working temperature higher than that of the conventional Pb(Zr,Ti)O3 (PZT) have recently attracted increasing attention. High Tc and high piezoelectric response were recently achieved for a new perovskite type sy...

Constrained MMSE LP Residual Estimator for Speech Dereverberation in Noisy Environments

Researchers Analyze Power-level-difference-based Dual-channel Post-filter Estimator Statistically