An integrated control system and method for real-time tracking and rapid countermeasures of unmanned aerial vehicles

Abstract

The invention discloses an unmanned aerial vehicle real-time tracking and fast counter-integrated control system and method. The system includes sequentially connected receiving antennas, attenuation modules, frequency mixing modules, intermediate frequency processing modules, high-speed ADCs, FPGAs, high-speed DACs, An IQ drive module, an IQ modulation module, a coupling detection module, an amplifier and a transmitting antenna, the frequency mixing module is connected to the receiving local oscillator, the FPGA is connected to the CPU, and the transmitting local oscillator is connected to the IQ modulation module through the phase modulation module, This method uses high-efficiency digital signal processing algorithms to realize real-time processing of UAV signals, completes the capture and analysis of frequency hopping signals in a very short time, identifies the target signal, and sends a counter signal to the target, and the counter signal can be tracked For frequency hopping signal hopping, the instantaneous frequency spectrum of the counter signal is relatively narrow, and it only needs to cover the instantaneous frequency spectrum of the frequency hopping signal, saving power and reducing the impact on the electromagnetic environment.

Description

technical field [0001] The invention relates to the technical field of UAV monitoring and countermeasures, in particular to an integrated control system and method for real-time tracking and rapid countermeasures of UAVs. Background technique [0002] With the rapid growth of the UAV market, some problems caused by the "black flight" of UAVs have brought serious hidden dangers to the security of major events; UAVs have the characteristics of flexible maneuverability, intelligent control, and low cost. The use of UAVs to carry out illegal and criminal activities seriously threatens public safety. Therefore, it is necessary to effectively monitor and counter UAVs, especially "black flying" UAVs. [0003] UAV detection mainly includes radar detection, radio signal monitoring, photoelectric tracking, sound wave identification, etc. Radar cannot detect very small drones and cannot be used in urban environments; acoustic wave detection and photoelectric tracking are susceptible t...

AI Technical Summary

Problems solved by technology

[0005] At present, there are equipments that use radio to detect or counter UAVs, but the detection and countermeasures are relatively separated. During the countermeasures, the transmitted signals affect the monitoring, and real-time tracking cannot be achieved. formula and counter

The UAV remote control signal adopts frequency hopping or spread spectrum signal, the duration of frequency hopping is short, and it occupies a large bandwidth. If it cannot be tracked and suppressed in real time, it can only be suppressed in the whole frequency band. Such a high-power signal will seriously affect the suppression coverage, and Interference with adjacent frequency bands

The currently separated equipment is bulky and inconvenient for transportation and installation

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