At an undisclosed test site, a helicopter takes off, towing a kite-like array of massive coils. The system, called Airborne Transient Electromagnetic (Atem) detection, works by firing a powerful pulse ...

Abstract: Acoustic imaging intuitively illustrates the locations of sound sources and has a wide range of applications, including fault detection. However, this technology requires a substantial ...

Over the past decade, the difference co-array (DCA) processing technique based on sparse arrays has attracted significant attention given its capability of addressing underdetermined ...