Because of the many hazards of drones, drone interception technology came into being. Among the existing intercepting methods, the radio communication interference technology has been widely used because of its obvious intercepting effect and small incidental damage. For this technology, its characteristics can be summarized as follows:
Antagonistic
Communication interference is to disrupt or disrupt the other party's radio communications. The purpose of radio communication interference transmission is not to transmit certain information, but to use interference information carried in the interference to suppress and destroy the other party's communication.
Offensive
Radio communication interference is active, active, and active. It does everything possible to “kill†into the communication system of the other party. Therefore, communication interference is offensive, and even communication interference for defensive purposes is offensive.
Advanced
Communication interference is always targeted at each other, so it must track the new development of the other party's communication technology, and must try to surpass each other, in order to develop a communication interference device that defeats the enemy. However, the development of communication technologies in various countries in the world, especially the development of anti-jamming technologies, is carried out under highly confidential conditions, and it is difficult to detect such information. Therefore, radio communication interference is a very technical and very difficult task to compete in the high-tech peak of radio communication.
Working frequency bandwidth
Radiocommunication Interference Equipment With the development of modern radio communication technology, the frequency range that needs to be covered has been quite wide, even reaching dozens of kilohertz to tens of gigahertz. In such a wide operating frequency range, electronic technology and electromagnetic wave radiation and reception in different frequency bands have different characteristics and requirements.
Fast response
In today's rapid development of frequency hopping communication and burst communication, the dwell time of the target signal at a frequency point has been shortened. In such a short period of time, the search, interception, identification, sorting, processing, interference guidance and interference transmission of the target signal should be completed within the entire working frequency range. It can be seen that the response speed of the communication interference system must be very rapid.
High technical difficulty
First, communication devices typically have strong signals, so strong interference is required for interference and suppression of communication signals. Secondly, the communication is generally carried out in a narrow band, so the frequency of the communication interference required is high. Because of these two characteristics, communication interference has certain technical difficulties, and it is necessary to continuously update and adjust the interfered targets. (Original title: UAV communication interference technology)
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