Chinese researchers have pulled off a surprising feat: detecting a simulated stealth aircraft using signals from SpaceX’s Starlink satellite network. This experiment, conducted in the South China Sea, marks a potential breakthrough in countering radar-evading technology.

The test, reported by the South China Morning Post, involved a DJI Phantom 4 Pro drone, roughly the size of a bird. While small, the drone’s radar cross-section mimicked that of a real stealth fighter. Instead of traditional ground-based radar, the scientists relied on a novel approach.

Starlink Satellites Serve as Unconventional Radar

Their secret weapon? The electromagnetic signals emitted by a Starlink satellite pass overhead. By analysing subtle disruptions in these signals caused by the drone, they were able to pinpoint its location. This technique, known as forward scattering, leverages an object’s impact on passing waves without the need for active radar emissions. This makes it harder to detect or jam compared to traditional radar.

The experiment’s success goes beyond simply detecting the drone. The researchers reportedly captured intricate details, even rotor movements, suggesting a high level of data processing. This likely involved a powerful processor and a custom algorithm.

The significance lies in China’s ongoing efforts to counter stealth technology. With over 6,000 Starlink satellites currently in orbit, China’s research team, using readily available components, managed to capture and process the encrypted signals for object detection. This ingenuity highlights China’s dedication to bolstering its anti-stealth capabilities.

While the full implications remain to be seen, this experiment demonstrates the potential of repurposing existing technologies for novel military applications. It also opens doors for further research into advanced signal processing and analysis techniques.