Self-adaptive interference strategy generation equipment

Abstract

The utility model provides a self-adaptive interference strategy generating device, which comprises a radio frequency receiving module, a digital receiving module, a multi-channel digital signal source module, a power amplifier module, an antenna array module and a power supply module, the antenna array module comprises a receiving antenna unit and a transmitting antenna unit; the receiving antenna unit is electrically connected with a radio frequency receiving module for converting signals; the radio frequency receiving module is electrically connected with a digital receiving module used for generating an interference strategy corresponding to the intermediate frequency signal; the digital receiving module is electrically connected with a multi-channel digital signal source module for generating interference signals; the multi-channel digital signal source module is electrically connected with a power amplifier module for performing power amplification on interference signals; and the power amplifier module is electrically connected with the transmitting antenna unit. Through application of the device, different radio signals can be analyzed, corresponding interference strategies can be determined, adjustable interference signals can be generated, limited device transmitting power is fully utilized to implement interference on a target, and the efficiency of the device is exerted to the maximum extent.

Description

Technical Field

[0001] The utility model relates to the technical field of radio communications, in particular to a self-adaptive interference strategy generating device. Background Art

[0002] With the development of radio communication technology, in order to curb the use of radio signals for illegal and criminal activities, such as reducing the risk of key areas and key protected objects being attacked by wireless remote-controlled bombs, and reducing the risk of confidential places being photographed by civilian drones, it is necessary to use radio signal jammers to control radio activities in illegal activity areas.

[0003] At present, most traditional radio signal jammers use a digital direct frequency synthesis (DDS) solution whose baseband signal is white noise. Devices using this solution have disadvantages such as inability to continuously cover the frequency band, single interference pattern, fixed modulation method, unadjustable signal bandwidth, and low power amplifier utilization efficiency. They can no longer adapt to the trend of diversified development of interference objects. Utility Model Content

[0004] The utility model provides an adaptive interference strategy generating device, which is used to solve the defects of single interference style, fixed modulation mode, unadjustable signal bandwidth, etc. caused by the DDS scheme in which the baseband signal is white noise in the traditional radio signal interference equipment in the prior art, and realizes the analysis of different radio signals and the determination of corresponding interference strategies, and generates adjustable interference signals, so as to make full use of the limited equipment transmission power to implement targeted interference on the suppression target and maximize the performance of the equipment.

[0005] The utility model provides an adaptive interference strategy generating device, comprising: a radio frequency receiving module, a digital receiving module, a multi-channel digital signal source module, a power amplifier module, an antenna array module and a power supply module;

[0006] The antenna array module includes a receiving antenna unit for receiving signals and a transmitting antenna unit for radiating signals; wherein the receiving antenna unit is electrically connected to the radio frequency receiving module for converting radio frequency signals within a preset wide frequency band into intermediate frequency signals;

[0007] The radio frequency receiving module is electrically connected to the digital receiving module for generating an interference strategy corresponding to an intermediate frequency signal;

[0008] The digital receiving module is electrically connected to the multi-channel digital signal source module for generating interference signals according to the interference strategy;

[0009] The multi-channel digital signal source module is electrically connected to the power amplifier module for amplifying the power of the interference signal;

[0010] The power amplifier module is electrically connected to the transmitting antenna unit;

[0011] The power supply module is electrically connected to the radio frequency receiving module, the digital receiving module, the multi-channel digital signal source module and the power amplifier module.

[0012] According to an adaptive interference strategy generating device provided by the utility model, the digital receiving module comprises: an analog-to-digital conversion module, a digital down-conversion module and a Fourier transform module, the analog-to-digital conversion module is connected to the digital down-conversion module, and the digital down-conversion module is connected to the Fourier transform module.

[0013] According to an adaptive interference strategy generating device provided by the utility model, the multi-channel digital signal source module includes 4 3-channel digital signal sources, 12 modulation circuits and 12 digital-to-analog conversion modules, each channel is respectively connected to a modulation circuit, and each modulation circuit is respectively connected to a digital-to-analog conversion module.

[0014] According to an adaptive interference strategy generating device provided by the utility model, the modulation circuit is a modulation circuit having at least one modulation function of FM, CW, BPSK, QPSK and 16QAM.

[0015] According to an adaptive interference strategy generating device provided by the utility model, each of the three-channel digital signal sources is connected to the digital receiving module via a parallel interface.

[0016] According to an adaptive interference strategy generating device provided by the utility model, the power amplifier module includes 12 independent power amplifiers of different frequency bands, and each independent power amplifier is respectively connected to one of the digital-to-analog conversion modules.

[0017] According to an adaptive interference strategy generating device provided by the utility model, the transmitting antenna unit includes 12 horizontal omnidirectional transmitting antennas, and each horizontal omnidirectional transmitting antenna is respectively connected to one of the independent power amplifiers.

[0018] According to an adaptive interference strategy generating device provided by the utility model, the receiving antenna unit is a biconical receiving antenna.

[0019] According to an adaptive interference strategy generation device provided by the utility model, it also includes: a shell for accommodating the radio frequency receiving module, the digital receiving module, the multi-channel digital signal source module, the power amplifier module and the power supply module, the shell includes: a first accommodating cavity, a second accommodating cavity and a third accommodating cavity, the radio frequency receiving module and the digital receiving module are located in the first accommodating cavity, the multi-channel digital signal source module and the power amplifier module are located in the second accommodating cavity, the power supply module is located in the third accommodating cavity, and anti-interference partitions are provided between the three accommodating cavities.

[0020] According to an adaptive interference strategy generating device provided by the utility model, the power supply module includes a first power supply interface, a second power supply interface, a third power supply interface and a fourth power supply interface; the first power supply interface is electrically connected to the RF receiving module, the second power supply interface is electrically connected to the digital receiving module, the third power supply interface is electrically connected to the multi-channel digital signal source module, and the fourth power supply interface is electrically connected to the power amplifier module.

[0021] The adaptive interference strategy generation device provided by the utility model includes a radio frequency receiving module, a digital receiving module, a multi-channel digital signal source module, a power amplifier module, an antenna array module and a power module; the antenna array module includes a receiving antenna unit for receiving signals and a transmitting antenna unit for radiating signals; wherein the receiving antenna unit is electrically connected to a radio frequency receiving module for converting a radio frequency signal within a preset wide frequency band into an intermediate frequency signal; the radio frequency receiving module is electrically connected to a digital receiving module for generating an interference strategy corresponding to the intermediate frequency signal; the digital receiving module is electrically connected to a multi-channel digital signal source module for generating an interference signal according to the interference strategy; the multi-channel digital signal source module is electrically connected to a power amplifier module for power amplifying the interference signal; the power amplifier module is electrically connected to the transmitting antenna unit; the power module is electrically connected to the radio frequency receiving module, the digital receiving module, the multi-channel digital signal source module and the power amplifier module. Through the application of the device, it is possible to analyze different radio signals and determine corresponding interference strategies, and generate adjustable interference signals, make full use of the limited device transmission power to implement targeted interference to the suppression target, and maximize the efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a structural schematic diagram of the adaptive interference strategy generating device provided by the utility model.

[0024] Reference numerals:

[0025] 1: Receiving antenna unit 1; 2: Transmitting antenna unit; 3: RF receiving module; 4: Digital receiving module; 5: Multi-channel digital signal source module; 6: Power amplifier module; 7: Power supply module. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Combine the following Figure 1 The utility model is described in detail.

[0028] like Figure 1 As shown, the adaptive interference strategy generation device provided by the utility model includes a radio frequency receiving module 3, a digital receiving module 4, a multi-channel digital signal source module 5, a power amplifier module 6, an antenna array module and a power supply module 7. In principle, it can be divided into a reconnaissance part and an interference part. The reconnaissance part is composed of a receiving antenna unit 1, a radio frequency receiving module 3 and a digital receiving module 4, and is used to intercept and sort the communication signals in the action area, measure parameters, identify modulation patterns and demodulate information. The interference part is composed of a multi-channel digital signal source module 5, a power amplifier module 6 and a transmitting antenna unit 2, and is used to generate a radio frequency interference signal with a frequency range of 20MHz to 6000MHz according to the information such as the frequency, modulation mode, modulation parameters and the like of the interference object provided by the reconnaissance part, which is amplified by the power amplifier module 6 and radiated by the antenna array module.

[0029] Specifically, the antenna array module includes a receiving antenna unit 1 for receiving signals and a transmitting antenna unit 2 for radiating signals; wherein the receiving antenna unit 1 is electrically connected to a radio frequency receiving module 3 for converting radio frequency signals within a preset wide frequency band into intermediate frequency signals. It should be understood that the preset wide frequency band range can be determined according to actual conditions, and the present utility model does not limit this.

[0030] The radio frequency receiving module 3 in the utility model can adopt a radio frequency receiver, and the radio frequency receiving module 3 is electrically connected to the digital receiving module 4 for generating the interference strategy corresponding to the intermediate frequency signal. Preferably, the digital receiving module 4 can be connected to the multi-channel digital signal source module 5 through a high-speed parallel interface (High-Speed ​​Parallel Interface), which can provide a higher data transmission rate.

[0031] The digital receiving module 4 in the present invention may be a digital receiver, and the digital receiving module 4 is electrically connected to a multi-channel digital signal source module 5 for generating interference signals according to an interference strategy.

[0032] The multi-channel digital signal source module 5 in the utility model can adopt a multi-channel digital signal source, and the multi-channel digital signal source module 5 is electrically connected to a power amplifier module 6 for amplifying the power of the interference signal.

[0033] The power amplifier module 6 in the present invention can be a power amplifier module. The power amplifier module 6 is electrically connected to the transmitting antenna unit 2.

[0034] The power module 7 is electrically connected to the RF receiving module 3, the digital receiving module 4, the multi-channel digital signal source module 5 and the power amplifier module 6, and each module of the device is powered. Preferably, the input power of the power module 7 requires AC 220V (-30% ~ +20%), 50Hz ~ 60Hz, and the maximum power is 4000W.

[0035] In an optional embodiment, the operating frequency of the RF receiving module 3 is 20MHz to 6000MHz. After the receiving antenna unit 1 sends the received spatial signal of the interference object to the RF receiving module 3, the RF receiving module 3 can convert the RF signal into an intermediate frequency signal of 153.6MHz or 140MHz within a preset wide-band range, wherein the intermediate frequency signal of 153.6MHz is used for broadband reception, and the maximum intermediate frequency bandwidth is 40MHz, and the intermediate frequency signal of 140MHz is used for narrowband reception, and the intermediate frequency bandwidth is 500kHz. Broadband reception is used for wide-range frequency search and reception of broadband signals, and narrowband reception is used for reception and demodulation of narrowband signals.

[0036] In an optional embodiment, the digital receiving module 4 is used as the core module of the device. Specifically, the digital receiving module includes: an analog-to-digital conversion module, a digital down-conversion module and a Fourier transform module. The analog-to-digital conversion module is connected to the digital down-conversion module, and the digital down-conversion module is connected to the Fourier transform module.

[0037] The intermediate frequency signal sent by the RF receiving module 3 passes through the analog-to-digital conversion module to be converted from an analog signal to a digital signal, and then passes through the digital down conversion module for digital down conversion (DDC) processing, and then passes through the Fourier transform module for fast Fourier transform (FFT) processing to obtain fixed-frequency interference signals, frequency-hopping interference signals and burst interference signals, that is, three types of interference digital signals, that is, three strategies.

[0038] In an optional embodiment, the multi-channel digital signal source module 5 includes 4 3-channel digital signal sources (i.e., a total of 12 channels), 12 modulation circuits and 12 digital-to-analog conversion modules, each channel is connected to a modulation circuit, and each modulation circuit is connected to a digital-to-analog conversion module. The above-mentioned modulation circuit is a modulation circuit having at least one modulation function of frequency (Frequency Modulation, FM) modulation, continuous wave (Continuous Wave, CW) modulation, binary phase shift keying (Binary Phase Shift Keying, BPSK) modulation, quadrature phase shift keying (Quadrature Phase Shift Keying, QPSK) modulation and hexadecimal orthogonal amplitude (16Quadrature Amplitude Modulation, 16QAM) modulation. The digital signal (i.e., the above-mentioned three interference digital signals) is converted into an analog signal after passing through the digital-to-analog conversion module. Each 3-channel digital signal source is connected to the digital receiving module 4 through a parallel interface (High-Speed ​​Parallel Interface).

[0039] According to the interference digital signal generated by the digital receiving module 4, an interference analog signal of the corresponding frequency band can be generated. Each interference signal supports the output of 4 subcarrier signals at most, and the signal bandwidth is adjustable within 5kHz~100MHz. Specifically, each of the 12 channels corresponds to a frequency band, and the interference digital signal will enter the channel of the corresponding frequency band according to its own frequency band, and enter the corresponding digital-to-analog conversion module after being modulated by the modulation circuit of the channel and converted into an interference analog signal. The working frequency bands corresponding to the 12 channels are 20MHz~390MHz, 350MHz~960MHz, 350MHz~960MHz, 850MHz~1300MHz, 1300MHz~2200MHz, 1800MHz~2000MHz, 2000MHz~2200MHz, 1800MHz~2700MHz, 2300MHz~2600MHz, 2500MHz~2700MHz, 2700MHz~4500MHz, 4500MHz~6000MHz.

[0040] In an optional embodiment, the power amplifier module 6 includes 12 independent power amplifiers of different frequency bands, and each independent power amplifier is connected to a digital-to-analog conversion module. The working frequency band of each independent power amplifier corresponds to the working frequency band of the interference analog signal one by one, and the interference analog signal (RF excitation signal) sent by the multi-channel digital signal source can be amplified into a RF power signal with a power of 50W or 100W, and sent to the corresponding antenna in the transmitting antenna unit 2 for radiation.

[0041] In an optional embodiment, the receiving antenna unit 1 is a biconical receiving antenna, and the operating frequency band is 20MHz to 6000MHz. The transmitting antenna unit 2 includes 12 horizontal omnidirectional transmitting antennas, each of which is connected to an independent power amplifier, and the operating frequency band of each horizontal omnidirectional transmitting antenna corresponds to the operating frequency band of the interference analog signal. The receiving antenna unit 1 is used to receive the spatial signal of the interference object, and the transmitting antenna unit 2 is used to radiate the radio frequency power signal of the corresponding frequency band.

[0042] In an optional embodiment, the above-mentioned adaptive interference strategy generation device also includes a shell for accommodating a radio frequency receiving module 3, a digital receiving module 4, a multi-channel digital signal source module 5, a power amplifier module 6 and a power module 7. The shell includes: a first accommodating chamber, a second accommodating chamber and a third accommodating chamber, the radio frequency receiving module 3 and the digital receiving module 4 are located in the first accommodating chamber, the multi-channel digital signal source module 5 and the power amplifier module 6 are located in the second accommodating chamber, the power module 7 is located in the third accommodating chamber, and an anti-interference partition is provided between the three accommodating chambers to avoid mutual interference between the modules.

[0043] In an optional embodiment, the power supply module 7 includes a first power supply interface, a second power supply interface, a third power supply interface and a fourth power supply interface. The first power supply interface is electrically connected to the RF receiving module 3, the second power supply interface is electrically connected to the digital receiving module 4, the third power supply interface is electrically connected to the multi-channel digital signal source module 5, and the fourth power supply interface is electrically connected to the power amplifier module 6.

[0044] In summary, the adaptive interference strategy generation device provided by the utility model can analyze different radio signals and determine the corresponding interference strategies, and generate digital multi-carrier interference signals with adjustable interference style, variable signal bandwidth, and optional modulation mode, making full use of the limited device transmission power to implement targeted interference on the suppression target, thereby maximizing the effectiveness of the equipment.

[0045] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0046] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An adaptive interference strategy generation device, characterized in that: include: RF receiving module, digital receiving module, multi-channel digital signal source module, power amplifier module, antenna array module and power supply module; The antenna array module includes a receiving antenna unit for receiving signals and a transmitting antenna unit for radiating signals; wherein the receiving antenna unit is electrically connected to the radio frequency receiving module for converting radio frequency signals within a preset wide frequency band into intermediate frequency signals; The radio frequency receiving module is electrically connected to the digital receiving module for generating an interference strategy corresponding to an intermediate frequency signal; The digital receiving module is electrically connected to the multi-channel digital signal source module for generating interference signals according to the interference strategy; The multi-channel digital signal source module is electrically connected to the power amplifier module for amplifying the power of the interference signal; The power amplifier module is electrically connected to the transmitting antenna unit; The power supply module is electrically connected to the radio frequency receiving module, the digital receiving module, the multi-channel digital signal source module and the power amplifier module.

2. The adaptive interference strategy generation device according to claim 1, characterized in that: The digital receiving module comprises: an analog-to-digital conversion module, a digital down-conversion module and a Fourier transform module. The analog-to-digital conversion module is connected to the digital down-conversion module, and the digital down-conversion module is connected to the Fourier transform module.

3. The adaptive interference strategy generation device according to claim 1, characterized in that: The multi-channel digital signal source module includes 4 3-channel digital signal sources, 12 modulation circuits and 12 digital-to-analog conversion modules, each channel is respectively connected to a modulation circuit, and each modulation circuit is respectively connected to a digital-to-analog conversion module.

4. The adaptive interference strategy generation device according to claim 3, characterized in that: The modulation circuit is a modulation circuit having at least one modulation function of FM, CW, BPSK, QPSK and 16QAM.

5. The adaptive interference strategy generation device according to claim 3, characterized in that: Each of the three-channel digital signal sources is connected to the digital receiving module via a parallel interface.

6. The adaptive interference strategy generation device according to claim 3, characterized in that: The power amplifier module includes 12 independent power amplifiers with different frequency bands, and each independent power amplifier is connected to one of the digital-to-analog conversion modules.

7. The adaptive interference strategy generation device according to claim 6, characterized in that: The transmitting antenna unit includes 12 horizontal omnidirectional transmitting antennas, and each horizontal omnidirectional transmitting antenna is connected to one of the independent power amplifiers.

8. The adaptive interference strategy generation device according to claim 1, characterized in that: The receiving antenna unit is a biconical receiving antenna.

9. The adaptive interference strategy generating device according to any one of claims 1 to 8, characterized in that: Also includes: A shell for accommodating the RF receiving module, the digital receiving module, the multi-channel digital signal source module, the power amplifier module and the power supply module, the shell comprising: a first accommodating cavity, a second accommodating cavity and a third accommodating cavity, the RF receiving module and the digital receiving module are located in the first accommodating cavity, the multi-channel digital signal source module and the power amplifier module are located in the second accommodating cavity, the power supply module is located in the third accommodating cavity, and anti-interference partitions are provided between the three accommodating cavities.

10. The adaptive interference strategy generating device according to any one of claims 1 to 8, characterized in that: The power supply module includes a first power supply interface, a second power supply interface, a third power supply interface and a fourth power supply interface; the first power supply interface is electrically connected to the RF receiving module, the second power supply interface is electrically connected to the digital receiving module, the third power supply interface is electrically connected to the multi-channel digital signal source module, and the fourth power supply interface is electrically connected to the power amplifier module.

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