Intelligent fixed-frequency interferometer

Abstract

The invention discloses an intelligent fixed-frequency interferometer which comprises a receiving antenna, a preamplifier, a high-frequency tuner, a frequency synthesizer, a low frequency power amplification launcher, an intermediate frequency power amplification launcher, a high frequency power amplification launcher, a singlechip and a transmitting antenna. According to the invention, the interferometer can be firstly turned into a first working mode, the singlechip is used for closing all the power amplification launchers, open the preamplifier to amplify radio signals received by the receiving antenna and control the high-frequency tuner to receive signals output by the preamplifier frequency point by frequency point as well as output the signals to the singlechip for sampling and storage; then, the interferometer can be turned into a second working mode, the frequency points of all signals are recorded according to the first working mode and then compared with the signals stored in the first working mode so as to find newly-generated radio signals, the corresponding frequency synthesizer is opened to generate interference signals, and finally a power amplifier can launch the interference signals to cover the newly-generated radio signals, thus the interference effect can be realized. The interferometer provided by the invention has the characteristics of strong position relevant to intelligence and energy conservation.

Description

technical field [0001] The invention relates to a device for shielding and jamming communication signals, in particular to an intelligent fixed-frequency jammer. Background technique [0002] At present, for the interference of illegal radio signals appearing at unknown time and frequency points, it is generally adopted to scan quickly within the entire predetermined frequency band with a strong frequency point. When the frequency of the interference is the same as that of the illegal signal, the illegal signal will be flooded. But this requires that the scanning frequency of the interference frequency point is fast enough, so that the illegal signal cannot be transmitted completely, so as to produce a good interference effect. [0003] With the development of communication technology, the anti-jamming ability of communication signals is continuously enhanced. When the communication data is highly compressed into small data packets and transmitted repeatedly and at high spe...

AI Technical Summary

Problems solved by technology

But this requires that the scanning frequency of the interference frequency point is fast enough, so that the illegal signal cannot be transmitted completely, in order to produce a good interference effect

[0003] With the development of communication technology, the anti-jamming ability of communication signals is continuously enhanced. When the communication data is highly compressed into small data packets and transmitted repeatedly and at high speed, the current scanning interference effect is very unreliable. , because packets can be delivered instantaneously between scans, resulting in the failure of interference

This is also the main reason why the existing jammers cannot interfere with the new generation of communication equipment (such as 3G mobile phones)

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