When black holes collide, the impact radiates into space like the sound of a bell in the form of gravitational waves. But ...
Step inside the strange world of a superfluid, a liquid that can flow endlessly without friction, defying the common-sense ...
Abstract: With the rapid development of Internet of Things technologies, zigbee-based wireless signal positioning has shown great potential in applications such as smart homes and industrial ...
Abstract: Weak signal detection methods, which extract specific frequency signals submerged in strong noise, are closely related to multiple applications, such as early bearing fault diagnosis of ...