Drones can be found everywhere today, taking aerial photos of beautiful scenery, delivering couriers, and assisting in agriculture ...... bringing convenience to life. But it also hides hidden dangers, privacy is secretly photographed, civil aviation is interfered with, and even threaten the safety of important facilities. What should we do if we encounter these problems? Let's find the answer together.

Spotting drones with these ‘eyes’

To spot drones in the air, you need powerful sensors. RF analysers are like ‘radio detectives’ that capture signals from drones and ground stations to know where it is and who is controlling it. But when it comes to autonomous drones that are ‘flying bored,’ it's out of its depth. radar is the ‘main force’ of anti-drone, 2D radar can find the drone, but do not know the altitude; 3D radar is even more powerful, but also help the jammer targeting.

AESA radar has their own special skills. AESA radar is also very good at what they do. Unfortunately, drones are so small and flexible that radar can sometimes confuse them with clutter. The  visual/thermal imaging sensor is like ‘eyes of fire’, able to see a fast-flying drone at low altitude and find the operator by its heat. But in bad weather, it can't see as well. The Acoustic Sensor relies on sound to determine the direction of the drone, and even autonomous drones can't avoid it. But in a noisy environment, its judgement is not so accurate. In practice, these sensors are often combined for better detection.

Drones are messing up, this is how to counteract it

When you find a drone messing up, you have to ‘cure’ it in time. Communication / navigation system interference is like ‘disconnecting’ the drone from the Internet, so that its equipment malfunction, especially effective for small reconnaissance drones, but you have to figure out its communication band. Signal intrusion is a more advanced tactic, though it requires expertise and in-depth knowledge of drone networks. Aerial interception and ground strikes can directly ‘shoot down’ drones, but they tend to damage the surrounding environment and are not suitable for use in crowded areas. The laser weapon is like a ‘super torch’ that burns drone parts with a high-energy beam. It's fast and inexpensive, but its power is diminished in bad weather.

Don't panic if your privacy is violated

If you notice a drone hanging around over your home, possibly taking privacy shots, hold steady for a moment and don't panic. Take out your mobile phone and take a picture of the drone, its flight path and time. If you think something is wrong, call the police immediately. You can also prevent it in advance by installing a protective net so that the drone has no chance to take advantage of it.

Other FAQs

Many people wonder, can air traffic control see drones? In most cases, ordinary drones are too small to be detected by the radar of air traffic control, which is one of the hidden dangers of drones interfering with civil aviation. There are also people who are worried about their neighbours' drones flying around, but in fact it's the same as dealing with privacy-invasive drones, keep the evidence and get the police to coordinate if necessary. As for the fear of their drones flying away, checking the equipment before takeoff and setting up return points and no-fly zones can reduce the risk. Professional guarding, leave it to us.

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