UAV signal race-the importance of jamming technology

With the rapid development of the drone industry, some individuals and groups have begun to use drones for malicious purposes on a global scale. Many companies are paying attention to this trend and trying to enter the anti-drone industry. They introduced various drone guns, anti-drone shooting, attacking birds, cyber artillery, lasers, missiles, GPS jammers, radio transmitters and more.

The drone did not seem to hit the projectile and laser when it landed (although this kind of evidence will definitely change this analysis). In addition to physical projectiles, there are three known non-dynamic methods to stop drones. Radio frequency (RF) interference, global navigation satellite system (GNSS) interference and deception. Radio frequency jammer disrupts the communication between the drone and its operator, usually causing the drone to descend or return home. With GNSS, the drone will lose its link with the satellite navigation. After that, the drone will usually hover, land or return to its original position. The attacker used deception to provide new information to the drone to control its flight.

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By the way, the operation on the Crimean Peninsula was a great success, without bloodshed, because all Ukrainian military communications were cut off. I’m not sure about the mobile phone, but it is not allowed to use it as a military communication channel. Therefore, the Ukrainian army did not resist because it did not receive an order from Kiev. They don’t need much… Many people just joined the Russian army and navy enthusiastically.

It did not “close” anything. First, it will cause a big sensation on the radar oscilloscope, until the software or personnel press the “search for interference” mode button. Then lock the weapon system on the jammer. In a real war, the jammer will disappear within a few seconds. The American ship did not want this to be a fierce war, so it made the destroyer think it was evacuating it. You’re welcome.

China will continue to develop features designed to limit or prevent the enemy’s use of space-based assets in crises and conflicts, including the development of directed energy weapons and satellite interference.

The problem is that many potential enemies, including the Chinese and Russians, are developing advanced digital radio frequency memory (DRFM) jammers. These jammers effectively remember the incoming radar signal and repeatedly send it back to the sender. This will greatly reduce the performance of Friend Trader.

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