1.System Overview

         The deep integration of radar detection system, unmanned aerial vehicle radio detection and countermeasures integrated system, precision optoelectronic detection system in key locations can achieve early detection, fast locking, stable tracking, accurate identification and strong countermeasures against low altitude drones by comprehensively utilizing technologies such as multispectral detection, heterogeneous system interconnection, multi-source data fusion, intelligent analysis and decision-making. Multiple detection methods complement each other, and multiple frequency band interference interception can effectively ensure low altitude safety in key locations throughout the day, all time, and all dimensions. The system is mainly equipped for users such as public security, armed police, military, and government, and is commonly used for the prevention and control of drone targets in prisons/detention centers, large gatherings, public places, and military strongholds.

         The integrated device for drone radio detection and countermeasures adopts Cognitive Radio Protocol Cracking (CRPC) technology. This technology accurately demodulates and deciphers the drone communication frequency band, channel information, and electronic ID through reverse analysis and cracking of the drone communication signal. Based on the obtained information, it defends and controls the "black flying" drone with precise control and full automatic real-time passive, blind angle, zero interference detection, and advanced warning functions; Using narrowband low-power to implement precise strikes, combined with broadband high-power interference, can effectively defend against drones; At the same time, it has the ability to distinguish between enemies and friends, precise identification, and unknown drone detection capabilities. The operating range radius of the DJI Elf 4 small drone is not less than 3km.

         The radar detection system is a short-range low altitude surveillance radar that mainly searches for and tracks aerodynamic targets such as drones within a 5km range of low altitude airspace. It accurately monitors low, slow, and small targets in low altitude areas and can display and output information such as distance, orientation, speed, and altitude of flying targets, forming a three-dimensional motion pattern of low altitude targets. Has high reliability and the ability to automatically enroll targets, and monitors non cooperative and dangerous targets around key areas. Adopting advanced active phased array system, one-dimensional electrical scanning is used in the elevation direction and mechanical scanning is used in the horizontal direction, which can provide excellent low altitude, slow speed, and small target monitoring capabilities. The detection power for targets equivalent to the size of DJI Elf 4 drone is greater than 5km.

         The precision optoelectronic detection system integrates a million telephoto high-definition camera, a large array uncooled infrared thermal imager, a precision servo turntable, and a high-precision tracking module. It can quickly and accurately capture, lock, track, and recognize low altitude targets such as drones under the guidance of radar detection system target information, providing intuitive visual assurance for radio interference and countermeasures. The turntable design adopts military quality, which has the characteristics of fast speed, high accuracy, and stable tracking. During the day, a long focal length continuous zoom lens is used in conjunction with a 2 million visible light high-definition color to black camera. At night, a 1280 × 1024 high sensitivity large aperture continuous zoom uncooled thermal imaging camera is used, which can achieve long-distance video monitoring throughout the day and night. Simultaneously equipped with optical and electronic dual fog penetration functions, it can effectively improve the detection performance in low visibility weather such as fog and haze. The overall shell is sealed with ultra strong aluminum alloy, and the entire machine is vacuum filled with nitrogen for sealing. The protection level reaches IP66, effectively ensuring the long-term operation of the equipment in harsh outdoor environments.

2.Radio detection and countermeasures system

2.1 Overview

         The integrated device for drone detection and countermeasures adopts cognitive radio protocol cracking technology to solve the low altitude security system of domestic and foreign civil drone detection, identification, positioning, defense, and control. The system can perform passive detection, distinguish between friend and foe, precision strike or high-power interference on drones in protected areas, and provide the direction of drones. It can be used for low altitude security defense in airports, prisons, important bases, sports venues, and major events. Its important functions are as follows：

1) Able to use frequency detection methods to achieve drone detection;

2) Capable of detecting, locating, identifying, and tracking drones and drone pilots;

3) Capable of automatically detecting and detecting drones within an effective range, and automatically alerting detected drone signals;

4) Capable of achieving unmanned aerial vehicle detection and interference linkage, achieving unmanned operation；

5) Capable of identifying mainstream domestic brands such as DJI, Daotong, Xiaomi, Dahua, Hikvision, and Yihang, as well as mainstream foreign brands such as Holystone, AEE, Parrot, and 3DR；

6) Capable of automatically identifying drone types based on built-in sample libraries, and has the ability to continuously update drone model libraries, which contain drone characteristic signals. There are ≥ 80 brands and ≥ 200 models in the model library. Can add detected unknown Wi Fi drones and remote controls to the model library；

7) Capable of automatically interfering with drones within an effective range, causing them to land or return without entering the controlled area；

8）It has a whitelist (blacklist) function and does not require the use of third-party firmware such as wireless beacons or identification cards. It can add drones detected by detection devices to the whitelist through the system management platform. Detected drones on the whitelist should not trigger system alarm prompts. When the whitelist drones switch on/off, take off, or switch operating frequencies multiple times, they will not trigger alarms. They can accurately strike multiple drones of the same brand and model separately；

9）The software control platform can set the system language, supporting languages such as Simplified Chinese, English, French, and Russian；

10) The system is not affected by weather and operates 7d*24h；

11) Not causing interference to the human body and electronic devices。

2.2 Specification

1) Effective reconnaissance and identification distance: 5km;

2) Strike distance: 2-3km;

3) Can detect wireless signals with a frequency range of 25MHz to 6000MHz, and the detection frequency band can be set; Focus on detecting 433MHz, 900MHz, 1.4GHz, 2.4GHz, and 5.8GHz;

4）Counter frequency: Channel 1: (840 ± 15) MHz to (930 ± 15) MHz; Channel 2: (1535 ± 15) MHz to (1635 ± 15) MHz; Channel 3: (2380 ± 15) MHz to (2520 ± 15) MHz; Channel 4: (5130 ± 15) MHz to (5370 ± 15) MHz; Channel 5: (5725 ± 15) MHz to (5885 ± 15) MHz; Can increase frequency bands: 410-480MHz, 650-850MHz, 1080-1340MHz, 1080-1340MHz, 2300-2600MHz, 5950-6200MHz;

5) The number of drones that can be intercepted simultaneously: ≥ 30, among which the number of non DJI brand drones should be ≥ 25. The number of frequency hopping drone targets that can be interfered with simultaneously should be ≥ 10;

6) Direction accuracy: ≤ 10 degrees (following); ≤ 3 degrees (hovering)；

7) Power consumption: In the detection state, the power consumption should be ≤ 130W (AC 220V power supply); The power consumption when activating full frequency interference signals should be ≤ 1500W (AC 220V power supply)；

8）Minimum transmission power: ＜ 10W;

9）Protection level: IP66；

10) Reconnaissance airspace: 360 ° full airspace；

3.Radar detection system

3.1 Overview

         The radar detection system adopts azimuth mechanical scanning and elevation digital beamforming system, which can continuously detect and track moving targets in the area all day and all weather. It has the advantages of high detection sensitivity, low false alarm rate, and high accuracy. The main functions of the product include:

① The detection radius of the Elf drone is ≥ 5km, the detection radius of personnel is ≥ 8km, the detection radius of vehicles and ships is ≥ 10km, the azimuth coverage range is 360 °, the pitch coverage range is 35 °, and the detection performance is not affected by climate and lighting;

② It can track over 150 moving targets in the field of view, output real-time information such as target distance, speed, direction, altitude, and type, and achieve suspicious target positioning and warning functions；

③ It can set up shielding and warning zones to achieve target crossing alarm, alarm log recording and playback；

④It can support radar optoelectronic linkage, guiding high-definition cameras to track, capture, and record videos of targets;

⑤ It has good compatibility and scalability, and is convenient for docking with other platforms, supporting multi device networking。

3.2 Main technical index

4.Precision photoelectric detection system

4.1 main features

1) The comprehensive use of two passive optical sensors, visible light cameras and infrared thermal imagers, can effectively detect and capture targets regardless of day, night, or adverse weather conditions. The two detection frequency bands complement each other, effectively meeting the needs of all-weather video detection and monitoring；

2) The visible light camera system adopts advanced optical filtering and digital image processing to enhance dual fog transmission technology, which can significantly enhance image contrast details and improve observation distance in foggy weather during the daytime.

3)  Equipped with an embedded automatic tracking module, it can guide visible light cameras and infrared thermal imagers to lock, track, and recognize targets based on target position information obtained from passive spectrum detection equipment, radar, vibration fiber optics, and sound sensors. When there is no external guidance signal, manual search and tracking can also be carried out;

4) Embedded integrated tracking system design, with built-in OSD information overlay function, can segment targets that appear in the field of view of visible light cameras or infrared thermal imagers, overlay target marking information (such as tracking windows, etc.) on the target image, manually lock the target, and control the turntable to automatically track the target;

5) The front-end device has a built-in data storage function, which can store up to 200 sets of turntable angles, lens focal lengths, and other information. According to backend instructions, it can automatically call up pre-set monitoring positions, monitoring field of view angles, lens focal lengths, and achieve automatic fan scanning inspection and movement detection alarm functions;

6) The photoelectric turntable has a speed adaptive function. In manual search and tracking mode, the main control circuit inside the turntable can determine the field of view angle information of the visible light camera, automatically adjust the speed to the optimal value. When the field of view angle of the visible light camera changes, the speed of the image relative to the monitor during the turntable rotation is basically constant;

7) Built in FPGA image clarity analysis algorithm, it automatically analyzes visible and infrared videos, automatically controls lens focus, and achieves automatic and manual focusing;

8) Visible light cameras have functions such as pan tilt angle and lens magnification positioning, which can automatically enlarge a selected local area in the field of view based on backend instructions;

9) The main control circuit board of the front-end device has a sleep wake-up function. Through the communication port and corresponding instructions, the command center can remotely turn on and off the front-end device through the information fusion system;

10)  The application of equipment self inspection technology and abnormal working status alarms make equipment maintenance and repair simple and convenient. Display and control equipment can monitor and display real-time operating status information of display and control equipment, optoelectronic monitoring equipment, and other equipment;

11)  Adopting advanced turntable transmission mechanism to improve seismic performance and maintain stable and clear images;

12) Adopting standardized and modular design techniques, with good scalability;

13) Adopting the "three proof" sealing design technology is beneficial for long-term use in harsh environments.

4.2 Main technical index

5.Drone prevention and control command platform

5.1 Product Introduction

        The UAV prevention and control command platform can simultaneously connect with radar detection systems, passive spectrum detection systems, optoelectronic detection systems, wireless countermeasure equipment and other UAV detection and countermeasure equipment. It is a comprehensive visual anti UAV command and management platform that integrates user management, equipment management, situation display and control, alarm linkage, decision command, record and evidence collection, event retrieval and other functions. Starting from practical needs, the system is based on multi spectrum detection technology, GIS map situation display and control technology, wireless signal interference technology, data fusion mining technology, network communication technology, and software platform technology to build an automated, intelligent, and unmanned unmanned unmanned aerial vehicle defense and control integrated platform system software. The system first uses a passive spectrum detection system and a radar system to scan and search over a long distance and a large range. Then, the target information obtained is fused, analyzed and reported, and the real-time situation of the target is displayed on an electronic map. Based on pre-set settings, the target is automatically or manually confirmed to be locked, tracked, recognized, and counteracted by optoelectronics. Intruding drones can be classified into alarm levels and given different forms of sound and light alarms. Illegal targets with high threat levels can be prioritized for disposal, and automatic recording, capturing, and evidence collection can be performed. The detection trajectory can also be replayed, and data can be retrieved based on time and events. The equipment can be set to manual and automatic working modes.

        From the perspective of the system as a whole, the UAV prevention and control command platform is based on the nature of the platform, which can achieve distributed management, multi-level organizational structure management requirements, and the use of self built servers by subordinate organizations. In terms of details, the UAV prevention and control command platform adopts a modular design concept, which not only realizes the modularization of the system but also the modularization of business functions.

5.2 Main function of system

5.3 Main performance of the system

①The highest department level supported by the system is 5 levels;

②The maximum number of devices supported by each department is 999;

③The maximum number of online users supported by the system is 50;

④Each device has a maximum of 300 normal preset positions.

6.Main Technical Specifications of Navigation System Replacement Module

7. Main Technical Specifications of Portable Drone Jamming Equipment

8. Main Technical Specifications of Box-type Drone Jamming Equipment