Radio detection and real-time pressing equipment

Abstract

The utility model relates to the field of radio management, and discloses radio detection and real-time suppression equipment, which comprises a receiving antenna array, a transmitting antenna array, a one-out-of-three switch group, a one-out-of-two switch group, a one-to-multiple power divider, a one-out-of-two switch, a multi-channel frequency conversion module, a multi-channel ADC module, a multi-channel DAC module and an intermediate frequency data signal processing module. The receiving antenna array is connected with the one-out-of-three switch group, the one-out-of-three switch group, the multi-channel frequency conversion module and the multi-channel ADC module are connected in sequence, and the multi-channel ADC module is connected with the intermediate frequency data signal processing module; the transmitting antenna array is connected with the either-or switch group, and the either-or switch group, the multi-channel frequency conversion module and the multi-channel DAC module are connected in sequence; and the either-or switch group is also connected with the multi-channel frequency conversion module. According to the utility model, narrow space wave beam suppression of an interference source target can be realized.

Description

Technical Field

[0001] This utility model relates to the field of radio management, specifically a radio detection and real-time suppression device. Background Technology

[0002] In the field of radio spectrum management, on the one hand, it is necessary to monitor interference and illegal signals; on the other hand, it is often necessary to simultaneously suppress them radio signals to disrupt their operational capabilities. Examples include detecting and suppressing interference drones at airports and detecting and suppressing cheating signals during exams. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a radio detection and real-time suppression device, including a receiving antenna array, a transmitting antenna array, a three-to-one switch group, a two-to-one switch group, a one-to-many power divider, a two-to-one switch, a multi-channel frequency converter module, a multi-channel ADC module, a multi-channel DAC module, and an intermediate frequency data signal processing module.

[0004] The receiving antenna array is connected to the three-way switch group. The three-way switch group, the multi-channel frequency conversion module, and the multi-channel ADC module are connected in sequence. The multi-channel ADC module is connected to the intermediate frequency data signal processing module. The three-way switch group and the multi-channel frequency conversion module are respectively connected to the intermediate frequency data signal processing module.

[0005] The transmitting antenna array is connected to the two-to-one switch group. The two-to-one switch group, the multi-channel frequency converter module, and the multi-channel DAC module are connected in sequence. The multi-channel DAC module is connected to the intermediate frequency data signal processing module. The two-to-one switch group is also connected to the multi-channel frequency converter module.

[0006] The two-to-one switch is located between the two-to-one switch group and the multi-channel frequency converter module. The intermediate frequency data signal processing module is connected to the two-to-one switch. The two-to-one switch is connected to the one-to-many power divider. The one-to-many power divider is connected to the three-to-one switch group.

[0007] Furthermore, the three-to-one switch group includes multiple three-to-one switches, and each element in the receiving antenna array is connected to one of the three-to-one switches in the three-to-one switch group.

[0008] Furthermore, the two-to-one switch group includes multiple two-to-one switches, and each element in the transmitting antenna array is connected to one of the two-to-one switches in the two-to-one switch group.

[0009] Furthermore, the multi-channel frequency conversion module includes a multi-channel common-local-oscillator down-conversion module, the three-to-one switch group is connected to the multi-channel common-local-oscillator down-conversion module, and the multi-channel common-local-oscillator down-conversion module is connected to the multi-channel ADC module.

[0010] Furthermore, the multi-channel frequency conversion module also includes a multi-channel common-local-oscillator up-conversion module; the two-to-one switch group is connected to the multi-channel common-local-oscillator up-conversion module, and the multi-channel common-local-oscillator up-conversion module is connected to the multi-channel DAC module; the two-to-one switch is connected to the multi-channel common-local-oscillator up-conversion module.

[0011] Furthermore, it also includes a power supply module, which includes a power module and a power interface. The power interface is connected to the power module, and the power module is used to supply power to the device.

[0012] Furthermore, it also includes a LAN port, which is connected to the intermediate frequency data signal processing module.

[0013] The beneficial effects of this utility model are:

[0014] 1. By employing methods such as array antenna direction finding, spatial filtering, and digital beamforming, the narrow-space beam suppression of interference source targets is ensured.

[0015] 2. The receiving antenna array and the transmitting antenna array have the same array shape structure. When the direction finding quality is poor due to surrounding obstruction, coupling or other reasons, a transmitting array manifold vector can still be calculated based on the receiving array manifold vector (e.g., take the conjugate of the receiving array manifold complex vector as the transmitting array manifold complex vector) to achieve suppression.

[0016] 3. The intermediate frequency digital signal processing module performs signal calculations based on the received signal to obtain the transmitted signal, the complex vector of the transmitted array manifold, and the transmitted signal of each channel. It does not require additional storage and has high real-time performance. Attached Figure Description

[0017] Figure 1 A schematic diagram of the principle of a radio detection and real-time suppression device;

[0018] Figure 2 This is a schematic diagram illustrating the implementation of a radio detection and real-time suppression device.

[0019] Figure reference numerals: 10-Multi-channel frequency converter module, 20-Multi-channel ADC module, 30-Multi-channel DAC module, 40-Intermediate frequency digital signal processing module, 50-Receiving antenna array, 60-Transmitting antenna array, 70-Three-to-one switch group, 80-Two-to-one switch group, 90-One-to-many power divider, 100-Two-to-one switch, 110-Power supply module, 120-Power port; 130-LAN port. Detailed Implementation

[0020] The technical solution of this utility model is described in further detail below with reference to the accompanying drawings, but the scope of protection of this utility model is not limited to the following description.

[0021] The features and performance of this utility model will be further described in detail below with reference to embodiments.

[0022] like Figure 1 As shown, a radio detection and real-time suppression device includes a receiving antenna array, a transmitting antenna array, a three-to-one switch group, a two-to-one switch group, a one-to-many power divider, a two-to-one switch, a multi-channel frequency converter module, a multi-channel ADC module, a multi-channel DAC module, and an intermediate frequency data signal processing module.

[0023] The receiving antenna array is connected to the three-way switch group. The three-way switch group, the multi-channel frequency conversion module, and the multi-channel ADC module are connected in sequence. The multi-channel ADC module is connected to the intermediate frequency data signal processing module. The three-way switch group and the multi-channel frequency conversion module are respectively connected to the intermediate frequency data signal processing module.

[0024] The transmitting antenna array is connected to the two-to-one switch group. The two-to-one switch group, the multi-channel frequency converter module, and the multi-channel DAC module are connected in sequence. The multi-channel DAC module is connected to the intermediate frequency data signal processing module. The two-to-one switch group is also connected to the multi-channel frequency converter module.

[0025] The two-to-one switch is located between the two-to-one switch group and the multi-channel frequency converter module. The intermediate frequency data signal processing module is connected to the two-to-one switch. The two-to-one switch is connected to the one-to-many power divider. The one-to-many power divider is connected to the three-to-one switch group.

[0026] The three-to-one switch group includes multiple three-to-one switches, and each element in the receiving antenna array is connected to one of the three-to-one switches in the three-to-one switch group.

[0027] The two-to-one switch group includes multiple two-to-one switches, and each element in the transmitting antenna array is connected to one of the two-to-one switches in the two-to-one switch group.

[0028] The multi-channel frequency converter module includes a multi-channel common-local-oscillator down-converter module, the three-to-one switch group is connected to the multi-channel common-local-oscillator down-converter module, and the multi-channel common-local-oscillator down-converter module is connected to the multi-channel ADC module.

[0029] The multi-channel frequency conversion module also includes a multi-channel common-local-oscillator up-conversion module; the two-to-one switch group is connected to the multi-channel common-local-oscillator up-conversion module, and the multi-channel common-local-oscillator up-conversion module is connected to the multi-channel DAC module; the two-to-one switch is connected to the multi-channel common-local-oscillator up-conversion module.

[0030] It also includes a power supply module, which includes a power module and a power interface. The power interface is connected to the power module, and the power module is used to supply power to the device.

[0031] It also includes a LAN port, which is connected to the intermediate frequency data signal processing module.

[0032] Specifically, such as Figure 2 As shown, this patent provides a radio detection and real-time suppression device, comprising: a multi-channel frequency converter module (10), a multi-channel ADC module (20), a multi-channel DAC module (30), an intermediate frequency digital signal processing module (40), a receiving antenna array (50), a transmitting antenna array (60), a three-to-one switch group (70), a two-to-one switch group (80), a one-to-many power divider (90), a two-to-one switch (100), a power supply module (110), and various connectors. The receiving antenna array (50) and the transmitting antenna array (60) have the same array shape structure. The multi-channel frequency converter module (10) is connected to the three-to-one switch group (70) and the multi-channel ADC module (20) to convert the received radio frequency signal and output an intermediate frequency signal; the multi-channel frequency converter module (10) is connected to the multi-channel DAC module (30), the two-to-one switch group (80), and the two-to-one switch (100) to convert the intermediate frequency signal and output a radio frequency signal. The two-to-one switch (100) is connected to the two-to-one switch group (80) and the one-to-many power divider (90) for calibrating the transmitting RF link. The intermediate frequency digital signal processing module (40) is connected to the multi-channel ADC module (20) for signal processing and analysis of the received intermediate frequency signal; the intermediate frequency digital signal processing module (40) is connected to the multi-channel DAC module (30) for generating the intermediate frequency digital signal to be transmitted; the three-to-one switch group (70) is connected to the receiving antenna array (50) to realize the reception of air signals; the three-to-one switch group (70) is connected to the one-to-many power divider (90) to realize the calibration of the down-conversion RF link; the three-to-one switch group (70) is connected to the two-to-one switch group (80) to realize the calibration of the up-conversion RF link.

[0033] This patent first provides a circuit for multi-channel synchronous acquisition of air signals. This part includes: a receiving antenna array, a three-way multiplexer, the down-conversion section of a multi-channel frequency converter module, an ADC module, and an intermediate frequency digital signal processing module. Simultaneously, to calibrate the receiving link, a calibration signal is generated by the intermediate frequency digital signal processing module, passed through channel 1 of the multi-channel DAC module, channel 1 of the up-conversion section of the multi-channel frequency converter module, a two-way multiplexer, and a one-to-many power divider, and output to the three-way multiplexer to achieve calibration.

[0034] This patent provides a circuit for multi-channel synchronous transmission of air signals. This circuit includes: a transmitting antenna array, a two-to-one switch group, an up-conversion section of a multi-channel frequency conversion module, a DAC module, and an intermediate frequency digital signal processing module. Simultaneously, based on the receiving link calibration, to achieve the transmitting link calibration, the intermediate frequency digital signal processing module generates a calibration signal, which is then passed through each channel of the up-conversion section of the multi-channel DAC module and the multi-channel frequency conversion module, and output to the three-to-one switch group, thereby achieving the transmitting link calibration.

[0035] The receiving and transmitting antenna arrays have the same array shape and height. This ensures that the receiving and transmitting antenna arrays have the same radiation pattern, guaranteeing the ability to suppress narrow spatial beams.

[0036] The above description is merely a preferred embodiment of this utility model. It should be understood that this utility model is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this utility model should be protected within the scope of the appended claims.

Claims

1. A radio detection and real-time suppression device, characterized in that, It includes a receiving antenna array, a transmitting antenna array, a three-to-one switch group, a two-to-one switch group, a one-to-many power divider, a two-to-one switch, a multi-channel frequency converter module, a multi-channel ADC module, a multi-channel DAC module, and an intermediate frequency data signal processing module; The receiving antenna array is connected to the three-way switch group. The three-way switch group, the multi-channel frequency conversion module, and the multi-channel ADC module are connected in sequence. The multi-channel ADC module is connected to the intermediate frequency data signal processing module. The three-way switch group and the multi-channel frequency conversion module are respectively connected to the intermediate frequency data signal processing module. The transmitting antenna array is connected to the two-to-one switch group. The two-to-one switch group, the multi-channel frequency converter module, and the multi-channel DAC module are connected in sequence. The multi-channel DAC module is connected to the intermediate frequency data signal processing module. The two-to-one switch group is also connected to the multi-channel frequency converter module. The two-to-one switch is located between the two-to-one switch group and the multi-channel frequency converter module. The intermediate frequency data signal processing module is connected to the two-to-one switch. The two-to-one switch is connected to the one-to-many power divider. The one-to-many power divider is connected to the three-to-one switch group.

2. The radio detection and real-time suppression device according to claim 1, characterized in that, The three-to-one switch group includes multiple three-to-one switches, and each element in the receiving antenna array is connected to one of the three-to-one switches in the three-to-one switch group.

3. The radio detection and real-time suppression device according to claim 1, characterized in that, The two-to-one switch group includes multiple two-to-one switches, and each element in the transmitting antenna array is connected to one of the two-to-one switches in the two-to-one switch group.

4. The radio detection and real-time suppression device according to claim 2, characterized in that, The multi-channel frequency converter module includes a multi-channel common-local-oscillator down-converter module, the three-to-one switch group is connected to the multi-channel common-local-oscillator down-converter module, and the multi-channel common-local-oscillator down-converter module is connected to the multi-channel ADC module.

5. The radio detection and real-time suppression device according to claim 3, characterized in that, The multi-channel frequency conversion module also includes a multi-channel common-local-oscillator up-conversion module; the two-to-one switch group is connected to the multi-channel common-local-oscillator up-conversion module, and the multi-channel common-local-oscillator up-conversion module is connected to the multi-channel DAC module; the two-to-one switch is connected to the multi-channel common-local-oscillator up-conversion module.

6. The radio detection and real-time suppression device according to claim 1, characterized in that, It also includes a power supply module, which includes a power module and a power interface. The power interface is connected to the power module, and the power module is used to supply power to the device.

7. The radio detection and real-time suppression device according to claim 1, characterized in that, It also includes a LAN port, which is connected to the intermediate frequency data signal processing module.

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