How much do you know about drone detection radar?
Release time:
2024-03-06
In recent years, the application of UAV exploration in China has shown explosive growth. With the maturity of UAV technology, the application threshold is decreasing, the control convenience and load capacity are increasing, while the product price is decreasing.
1. Overview
Background information
In recent years, the application of UAV exploration in China has shown explosive growth. With the maturity of UAV technology, the application threshold is decreasing, the control convenience and load capacity are increasing, while the product price is decreasing.
As a "double-edged sword", UAV detection radar can be used by criminals as a tool to threaten people's lives and property and commit crimes. In addition, due to the lack of effective UAV control measures in China, the phenomenon of "black flight" and "random flight" of consumer drones emerge in endlessly, which will also seriously threaten people's privacy and public safety.
As a special place that needs strict control, the inspection methods and prevention and control measures for illegal products are mature and strict, but there are no effective countermeasures for UAV aerial delivery. In addition, as a special place, even if the drone is used in the air, it needs to be detected and stopped in time.
According to related reports, the U.S. Bureau of Prisons has discovered a number of incidents of using drones to transport weapons, knives, drugs, communication tools and other items to prisons, many of which were traced after discovery. This shows that the drone threat facing the prison system is not an idea, but a real one.
2. Needs analysis
Prison managers need a solution that integrates the detection, identification and control of unmanned aerial vehicles, including remote detection, identification and attack of unmanned aerial vehicles. Target detection, identification and strike are all carried out under the command and coordination of the central control system. The system can detect and lock the drone before it is spotted by the naked eye, automatically track the target, and assess the target's threat level based on its course and speed. According to the target threat level and control needs, the system will drive the UAV away or make a forced landing. In addition, due to the need for blind spot defense and automation systems to move on duty, several sets of handheld drone control devices need to be deployed.
Composition and Function of 2. UAV Detection Radar System
UAV detection radarIt is composed of detection subsystem, control subsystem and central control subsystem.
1. Detection subsystem
The detection subsystem is the "eye" of the system and the core equipment of UAV early warning. The detection subsystem uses continuous wave radar, tailored for "low, small, slow" targets. It scans alert airspace 24 hours a day. It can spot DJI's Elf 3 drone at a distance of 3-4 kilometers, calculate the drone's azimuth, speed, heading and track, automatically track the target and assess the threat level.
2. Control subsystem
The control subsystem is the "arm" of the system and the means of attack. The control subsystem consists of distributed directional launch machines deployed around the prison. Each launch machine covers a sector at a certain angle, and the sectors are cross-linked to each other to form an "electronic wall" that surrounds the prison and extends into the air. After entering the electronic wall, the UAV will immediately be surrounded by strong electromagnetic interference and lose contact with the remote control, thus triggering the UAV to return immediately. When necessary, the transmitter can interfere with the navigation and positioning signals of the UAV at the same time, so that the UAV is completely out of control and forced to land in place. Hand-held drone control equipment, as an emergency supplement to the distributed system, discovers that the drone can be targeted at any time.
3. Central control subsystem
The control subsystem is the "brain" of the system, which is connected with the detection subsystem, receives the target information of the UAV detected by the radar, and automatically controls the start of the control subsystem according to the threat degree of the target. After the target disappears, the control system is turned off to reduce power consumption and electromagnetic pollution. The control subsystem has online equipment management capability, which can be used for online configuration management and real-time monitoring of equipment status.
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