The revolutionary device that turns a small drone into a stadium-sized UFO.
In a significant breakthrough for electronic warfare technology, Chinese researchers have developed a device capable of turning a tablet-sized drone into an unidentified flying object (UFO) as large as a stadium on radar. This innovation aims to deceive enemy radar operators, thereby strengthening China's position in electronic warfare technology.
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The device, which incorporates a radar reflector, modifies the apparent size of the drone on radar screens, making it appear like a huge flying saucer. The effect produced is so convincing that it could disorient and surprise opposing radar operators, according to the results published in the Chinese journal Radar Science and Technology.
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How does radar work?
A radar emits high-frequency electromagnetic waves toward a targeted area. These waves are reflected by objects present and sent back to the radar. The radar receiver picks up these echoes and analyzes the return time to determine the distance of the object. The direction is obtained through the position of the antenna, while the speed is calculated using the Doppler effect, which measures the change in frequency between the transmitted wave and the received wave
Technology and tactics
Unlike traditional stealth technologies aimed at making objects undetectable, this new device seeks to create a major distraction on enemy radars. It uses a Radar Cross Section (RCS) system that increases the reflection of electromagnetic waves, thereby masking real targets and confusing tracks.
The science behind the show
The drone is equipped to emit a radar echo with a size of 5,240 square meters, a staggering measurement that far exceeds that of conventional drones. This phenomenon is achieved by amplifying the returned radar signal, making the small drone visible as a large flying object.
-Military tests and results
Military tests were carried out to validate the effectiveness of the prototype. These tests demonstrated that the device could enhance and reflect electromagnetic waves effectively, thereby achieving tactical objectives such as anti-reconnaissance and anti-attack.
X-band performance
The device showed particularly impressive performance in the X-band, frequently used for weapons control and target tracking. The method used to increase RCS is simple and only requires the activation of an amplifier module, eliminating the need to generate and analyze electromagnetic signals.
Historical inspiration and continuous innovation
This innovation was inspired by a 1959 patent by Lester C. Van Atta, a radar expert at Hughes Aircraft Company at the time. The contemporary application of the Van Atta antenna array by Chinese scientists has significantly increased the RCS augmentation capabilities of the device.
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This article explores a major advancement in Chinese electronic warfare technology, where a device can transform a small drone into a gigantic UFO on enemy radars. This innovation aims to deceive and disorient, opening new avenues in modern military strategies.
Source : https://www.scmp.com/news/china/science/article/3294661/chinese-military-tests-electronic-war-gadget-turns-drone-giant-ufo
