'Space tornadoes' could cause geomagnetic storms, but these phenomena aren't easy to study

Weather forecasting is a powerful tool. During hurricane season, for instance, meteorologists create computer simulations to ...

Understanding volcanoes better: Scientists find exact locations of magma movement

How do volcanoes work? What happens beneath their surface? What causes the vibrations—known as tremor—that occur when magma ...
IEEE

Linear Array Motion-Based Time-Varying Channel Estimation for Three-Dimensional Millimeter-Wave Systems

Abstract: Using linear arrays for compressive sensing-based (CS) three-dimensional (3D) millimeter-wave (mmWave) channel estimation presents significant challenges due to the dimensional limitations ...
IEEE

A Metal Abrasive Particle’s Classification and Identification Method Based on Dual-Frequency Asymmetric Excitation Magnetic Field

Abstract: Material identification of oil abrasive particles is the key to accurate diagnosis and tracing of mechanical equipment failures. Addressing the bottleneck of existing symmetrical magnetic ...