ATEM System Completes Test Flight
On June 10, 2023, Chinese researchers conducted a flight test of the ATEM system, a technology designed to detect transient electromagnetic signals in the air for locating underwater objects. The setup features three dodecagonal coils, each about 25 meters in diameter. Towed by a helicopter, the system emits powerful electromagnetic pulses into water or ground, enabling it to identify submerged targets such as submarines.
The test flight lasted seven minutes, during which the system held a stable position close to perfect horizontality. Led by Fu Jingchen, an associate professor at Beijing University of Aeronautics and Astronautics, the research team confirmed the system's stability, noting it performs best during slow, smooth flight. A flexible aerodynamic film attached to the rear of the coil acted as a passive stabilizer.
Military Potential of the Technology
Chinese scientists have been exploring military applications of this submarine detection technology since 2012. That year, researchers from Chang'an University and Shandong University proposed integrating ATEM systems with synthetic aperture imaging methods. In early simulation experiments, they successfully identified a scaled-down submarine model submerged in saltwater. Officially, the ATEM system is intended for civilian use, including mapping underground and underwater structures, mineral exploration, groundwater surveys, and geological monitoring.
Defense analysts highlight the technology's enormous potential for anti-submarine warfare. However, airborne systems like this have always faced a major challenge: instability in the air. Even with moderate acceleration, the coils tilted more than 20 degrees, forcing pilots to significantly reduce speed before maneuvers. Results from the latest field tests were published in the journal Acta Aeronautica et Astronautica Sinica.
The development of ATEM technology reflects China's growing investment in innovative underwater detection systems, which could substantially enhance its military capabilities, particularly in countering submarine threats. Successful trials may open new possibilities for the system not only in defense but also in civilian fields such as environmental monitoring and resource exploration.
As nations continue to innovate in defense technologies, the recent flight test of China's ATEM system underscores the growing importance of advanced detection methods in military operations. Similar to the U.S. military's drone swarm tests, which aim to enhance aerial defense capabilities, the development of systems like ATEM highlights a global trend towards employing cutting-edge technology in warfare. Understanding these advancements is crucial for grasping the evolving landscape of military strategy.