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What are anti-drone systems and how can they cut the wings of a rising threat from above? MPNRC

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As the world progresses and technology evolves, the threats faced by a country like India also change shape. In recent years, security agencies have notably used drones to spy on and target critical installations, along with smuggling of arms, explosives, ammunition and drugs across India’s western borders by terror groups and Pakistani elements. Concerns have been repeatedly expressed about the increasing use of

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Anti-drone systems are designed to counter and interfere with drone technologies in a variety of ways and are used to detect and/or deter unwanted drones and unmanned aerial vehicles (UAVs).

They are often deployed to protect areas such as airports, critical infrastructure, large public spaces such as stadiums and military installations as well as battlefields.

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There are various forms of anti-drone technology and systems available today, and there are many ways to classify them. Here’s one way, according to 911 security.com.

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Audio Detection: Drones emit a very distinctive sound. There exist instruments that can listen to very specific frequencies emitted by whistling instruments, and they work well up to a point. Within a quiet, rustic setting, these devices can detect an approaching drone with an accuracy of up to about 500 feet. A study conducted by Korean researchers and published in January 2017 tested these devices in real-world, urban environments. When used in a noisy setting, audio detectors have more trouble accurately identifying an oncoming drone.

RF Technology: Drones use radio frequencies to communicate with their operators. To keep the receiver and transmit connected, they are paired with specialized RFID chips that keep other devices on the same frequency from overtaking the drone.

Jammer: Jammers work by eliminating electromagnetic noise at radio frequencies that drones use to operate and emit information. Effectively, they eliminate the conversation between a drone and its operator. This is usually 2.4Ghz or 5.8Ghz, which are non-assigned, public frequencies. This prevents the jammer from interfering with manned aircraft, cell phones, public broadcasts, or other dedicated radio bands. Jammers can be either stationary, mounted devices, or can be highly mobile, built into gun-like devices that can safely move the drone on the ground away from where it might be intended to go.

Geofencing: Geofencing works to create a barrier around an airspace using a combination of a GPS network and an LRFID (Local Radio Frequency Identifier) ​​connection such as Bluetooth or Wi-Fi. This boundary is created by using a combination of hardware and software to create a physical and invisible boundary around an airspace. Some drone manufacturers are incorporating geofencing technology within their aircraft to alert pilots when they enter no-fly zones or restricted airspaces such as prisons, power plants or airfields.

Video Detection: Video can be used in conjunction with other drone detection technology to create and relay a visual record of a known drone incident. Video detection is not an ideal first line of defense when detecting an oncoming drone, due to factors including weather, or changes in weather, but it can be a valuable tool for recording drone incidents for future review. Is.

Thermal Detection: Thermal imaging is also not a great first line of defense in drone detection, but it can be a helpful tool for locating drone operators in a remote area. For example, a restricted area such as the area around a power plant. If a drone is detected within airspace, thermal imaging cameras attached to the drone operated by power plant security personnel can be used to help locate the operator in close proximity of the attacking drone.

radar detector: Drones are often small, low-flying aircraft, which makes them very difficult to raise using radar. Radar technology is great for detecting manned, large, or long-range aircraft flying over conventional airspace, but its capability falls short of detecting drones well.

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