George Pólya’s random walk theorem absolved him of being a lurker and revealed how the laws of chance interact with physical ...

Mathematicians from the California Institute of Technology have solved an old problem related to a mathematical process called a random walk.

Abstract: Traditional target tracking methods face problems such as low positioning accuracy and weak robustness, which seriously restrict communication performance and reliability. In order to ...

Abstract: Interior control signals derived from motor controllers have gained increasing attention in closed-loop motor drive systems for interturn short-circuit fault diagnosis. Mainstream diagnosis ...