To address the insufficient localization accuracy of wireless sensor networks (WSNs) in complex underground coal mine tunnel environments caused by signal fluctuations and dynamic node movement, this ...

Tomography has made a revolutionary impact on the physical, biological and medical sciences. The mathematical foundation of tomography is to reconstruct a three-dimensional (3D) object from a set of ...

Benefiting from superior capability in manipulating wavefront of electromagnetic waves, metasurfaces have provided a flexible platform for designing ultracompact and high-performance devices with ...