Interference source device

By combining modular design with a voltage-controlled temperature-controlled crystal oscillator, the problems of low integration and poor stability of existing interference source devices are solved, realizing a highly stable and portable interference source device suitable for individual soldier operations in complex electromagnetic environments.

CN224037372UActive Publication Date: 2026-03-24HANGZHOU JIEFU ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520615049.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-03-24
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Existing interference source equipment has low integration, making it difficult to meet the needs of individual soldier operations, and ordinary crystal oscillators are easily affected by temperature drift, resulting in poor signal stability.

Method used

It adopts a modular design that integrates power control, intermediate frequency signal processing, main control and air feed subsystem, and combines voltage-controlled temperature-controlled crystal oscillator and DRFM technology to achieve stable signal transmission and reception, and performs high-speed signal processing through Xilinx RFSoC chip and FPGA.

Benefits of technology

It improves the portability and stability of the equipment, enabling it to play an effective tactical role in complex electromagnetic environments and supporting individual soldier carrying and rapid deployment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses interference source equipment. Comprising a power control subsystem for realizing signal receiving and transmitting and power dynamic management, an intermediate frequency signal processing subsystem for realizing high-speed signal acquisition and playback, a main control subsystem for realizing system control, man-machine interaction and data processing, and an air feed subsystem for realizing radiation and receiving of electromagnetic signals, the power control subsystem comprises a signal receiving module used for receiving and transmitting communication signals, a transmitting channel module and a frequency synthesizer module, and the frequency synthesizer module integrates a voltage-controlled constant-temperature crystal oscillator, provides stable clock signals and simultaneously comprises external reference clock access and Beidou time synchronization; through integration of the power control subsystem, the intermediate frequency signal processing subsystem, the main control subsystem and the air feed subsystem, the volume and the weight are reduced, an individual soldier is convenient to carry, and the strategic significance of the utility model is increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electronic communication technical field, especially a kind of interference source equipment. BACKGROUND

[0002] Interference source equipment refers to the electronic equipment of transmitting or retransmitting electronic interference signal, for disturbing or cheating enemy electronic equipment, so that its effectiveness is reduced or even invalid.

[0003] However, the existing interference source equipment is mostly separate design, and the integration degree is very low, a large amount of preparation time, preparation work is needed before use, which is not conducive to single combat use, and it is difficult to meet the needs of single carrying;

[0004] At the same time, the frequency of ordinary crystal oscillator is easily affected by temperature drift, resulting in high signal phase noise and poor long-term stability, which easily affects its strategic effect.

[0005] Therefore, it is necessary to improve to solve the above problems. UTILITY MODEL CONTENT

[0006] The utility model aims at providing an interference source equipment to overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The application discloses an interference source equipment, including power control subsystem for realizing signal receiving and transmitting and power dynamic management, intermediate frequency signal processing subsystem for realizing high-speed signal acquisition and playback, main control subsystem for realizing system control, man-machine interaction and data processing, and air feed subsystem for realizing electromagnetic signal radiation and reception.

[0009] The power control subsystem includes a receiving signal module for receiving and transmitting communication signals, a transmitting channel module, and a frequency synthesis module.

[0010] As a preferred, the frequency synthesis module further includes a phase-locked loop (PLL), a voltage-controlled oscillator (VCO), a GPS BD module, a frequency divider (BUF), and a ZYNQ.

[0011] As preferred, the receiving channel module comprises a limiter, which processes the radio frequency signal and transmits the processed signal to a selector, and the selector is sequentially connected with an amplifier, a low-pass filter, a combination of a plurality of digital controlled attenuators and amplifiers, and a band-pass filter, wherein the limiter performs amplitude limiting protection on the input radio frequency signal, the digital controlled attenuators realize power adjustment, and the band-pass filter completes the output of the intermediate frequency signal.

[0012] As preferred, the transmitting channel module comprises a band-pass filter for obtaining an intermediate frequency input, and is sequentially connected with a combination of a plurality of amplifiers and digital controlled attenuators, a band-pass filter, and a power amplifier, and outputs a radio frequency signal.

[0013] As preferred, the intermediate frequency signal processing subsystem comprises a high-speed acquisition / playback module, an interference simulation module, and an echo simulation module.

[0014] As preferred, the intermediate frequency signal processing subsystem adopts an Xilinx RFSoC chip and an Xilinx Ultrascale+ VU9P FPGA, is equipped with an ADC / DAC module with a maximum sampling rate of 9.6GSPS / 5GSPS and a 32GB DDR4 cache.

[0015] As preferred, the air feed subsystem comprises an antenna and a support.

[0016] The utility model discloses the beneficial effect:

[0017] (1), the utility model discloses through the integration of power control subsystem, intermediate frequency signal processing subsystem, master control subsystem and air feed subsystem, reduces the volume and weight, and it is convenient for single soldier to carry, increases the strategic significance of the utility model,

[0018] (2), through the integrated voltage-controlled constant temperature crystal oscillator, can provide stable clock signal, avoids being disturbed by external factors and leads to the influence use effect, increases the stability.

[0019] The features and advantages of the utility model will be described in detail by combining with the drawings. DRAWINGS

[0020] Fig. 1 It is the structure schematic drawing of the embodiment of the utility model a jammer equipment;

[0021] Fig. 2 It is the structure schematic drawing of the receiving channel module of the embodiment of the utility model;

[0022] Fig. 3 It is the structure schematic drawing of the transmitting channel module of the embodiment of the utility model;

[0023] In the figure: 101, frequency comprehensive module; 102, receiving channel module; 103, transmitting channel module; 201, intermediate frequency signal processing subsystem; 3, transceiving antenna; 4, display. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below through the drawings and examples. However, it should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the scope of the utility model. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0025] Example One

[0026] Referring to Figs. 1-3 The utility model embodiment provides a kind of interference source equipment, including the power control subsystem for realizing the receiving and transmitting of signal and power dynamic management, the intermediate frequency signal processing subsystem 201 for realizing high-speed signal acquisition, playback, the main control subsystem for realizing system control, man-machine interaction and data processing and the air feed subsystem for realizing the radiation and reception of electromagnetic signal;

[0027] The power control subsystem includes receiving signal module for receiving and transmitting communication signal, transmitting channel module 103, also includes frequency comprehensive module 101, the frequency comprehensive module 101 integrates voltage-controlled constant temperature crystal oscillator, provides stable clock signal, supports Beidou time synchronization and external reference clock access, is realized by 74 PIN J30J interface.

[0028] The frequency comprehensive module 101 further includes phase-locked loop PLL, voltage-controlled oscillator VCO, GPS BD module, frequency divider BUF, ZYNQ, voltage-controlled constant temperature crystal oscillator generates clock signal, and is frequency-divided by frequency divider BUF, combines the radio frequency signal generated by voltage-controlled oscillator VCO, is synthesized by phase-locked loop PLL, and realizes dynamic calibration and monitoring by ZYNQ.

[0029] The receiving channel module 102 includes limiter, limiter processes radio frequency signal, and is transmitted to selector with calibration signal, the selector is sequentially connected with amplifier, low pass filter, the combination of a plurality of digital control attenuators and amplifier and band pass filter, wherein limiter carries out amplitude limiting protection to input radio frequency signal, digital control attenuator realizes power regulation, and band pass filter completes intermediate frequency signal output.

[0030] The receiving channel module 102 input frequency band 0.2~1.2GHz, channel number 1, maximum tolerance power 10W, power adjustable range 90dB (step 1dB).

[0031] The transmitting channel module 103 includes a band-pass filter for acquiring an intermediate frequency input, and a combination of a plurality of amplifiers and a digital attenuator connected in sequence, a band-pass filter, and a power amplifier, and performs output of a radio frequency signal.

[0032] The transmitting channel module 103 outputs a frequency band of 0.2-1.2 GHz, and has a channel number of 2 (1-way interference + 1-way echo), and supports single pulse, linear frequency modulation and other signal forms.

[0033] The receiving channel module 102 and the transmitting channel module 103 are used to complete 1-way receiving channel signal conditioning and 2-way transmitting channel signal conditioning, and can realize signal filtering, amplification and power control of 0.2-0.8 GHz

[0034] The intermediate frequency signal processing subsystem 201 includes a high-speed acquisition / playback module, an interference analog module and an echo analog module.

[0035] The intermediate frequency signal processing subsystem 201 adopts an Xilinx RFSoC chip and an Xilinx Ultrascale+VU9P FPGA, is equipped with an ADC / DAC module with a maximum sampling rate of 9.6GSPS / 5GSPS and a 32GB DDR4 cache, supports DRFM technology, and realizes signal amplitude, range delay and Doppler modulation.

[0036] The DRFM (Direct Radio Frequency Memory Forwarding) technology is adopted, which can sample, store and copy radar signals at high speed, and completely save and process radar signal types:

[0037] The DRFM technology is adopted, which simulates the motion trajectory of a typical target through amplitude modulation, range delay modulation and Doppler modulation.

[0038] The DRFM technology and the interference signal generation technology are adopted to generate suppression jamming and deception jamming. The software radio technology is adopted, which is based on an independent DRFM and an up-conversion channel, and through user definition of interference or target, multiple target or interference signals are generated.

[0039] The main control subsystem includes a high-performance computing module, integrates a 350 graphics card and 16GB DDR4 memory, supports PCIE 4xM.2 SSD extension, provides an IPMI interface and iKVM remote management function;

[0040] It also includes a human-computer interaction unit, including a 15.6-inch touch screen, a waterproof silicone keyboard and a touchpad, and supports dynamic parameter setting and scene import.

[0041] The air feed subsystem includes a transceiving antenna 3 and a support, covers a frequency band of 0.2-1.2 GHz, supports a line feed or air feed mode, and is suitable for complex electromagnetic environments.

[0042] Also include the chassis structure, for integration of each subsystem, to ensure the portability of the device and environmental adaptability:

[0043] Including portable mobile phone case, the whole machine weight ≤ 30kg, IP54 protection level, built-in heat dissipation module and anti-vibration design, support 220V mains and battery power supply, adapt to the needs of field operations.

[0044] The utility model discloses a jammer equipment when using: first, the equipment is powered on, after the equipment is powered on, the main control system starts the self-checking procedure, and the state of each subsystem is verified, and it is confirmed that the equipment works normally, and the frequency comprehensive module 101 locks GPS / BD time reference, and clock synchronization is completed.

[0045] Through touch screen, select interference mode (suppression / deception), signal type (single pulse / frequency modulation) and target parameters (distance, speed), then import external scene file (such as semi-physical simulation script), complete the configuration of parameters.

[0046] Start interference or echo simulation, and the front display 4 is used to display the spectrum diagram and power curve in real time, and the heat dissipation state and battery capacity are monitored in real time in the process, and the mains / battery power supply mode is switched.

[0047] After use, save the configuration and shut down, disassemble the antenna support and store.

[0048] The above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement or improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An interference source device, characterized by: The power control subsystem includes a receiving channel module (102) and a transmitting channel module (103) for receiving and transmitting communication signals, and a frequency synthesizer module (101) which integrates a voltage-controlled constant temperature crystal oscillator to provide a stable clock signal and includes external reference clock access and Beidou time synchronization. The frequency synthesizer module (101) further includes a phase-locked loop (PLL), a voltage-controlled oscillator (VCO), a GPS BD module, a frequency divider (BUF), and a ZYNQ, and the voltage-controlled constant temperature crystal oscillator generates a clock signal which is divided by the frequency divider (BUF) and combined with a radio frequency signal generated by the voltage-controlled oscillator (VCO) by the phase-locked loop (PLL) to realize dynamic calibration and monitoring by the ZYNQ.

2. A jammer device as claimed in claim 1, characterized in that: The receiving channel module (102) includes an amplitude limiter which processes a radio frequency signal and transmits the processed signal to a selector together with a calibration signal, and the selector is sequentially connected with an amplifier, a low-pass filter, a combination of a plurality of digital attenuators and amplifiers, and a band-pass filter, wherein the amplitude limiter performs amplitude limiting protection on the input radio frequency signal, the digital attenuator realizes power adjustment, and the band-pass filter completes intermediate frequency signal output.

3. The jammer device of claim 1, wherein: The transmitting channel module (103) includes a band-pass filter for obtaining intermediate frequency input, and is sequentially connected with a combination of a plurality of amplifiers and digital attenuators, a band-pass filter, and a power amplifier to output a radio frequency signal.

4. The jammer device of claim 1, wherein: The intermediate frequency signal processing subsystem (201) includes a high-speed acquisition / playback module, an interference simulation module, and a echo simulation module.

5. The jammer device of claim 1, wherein: The intermediate frequency signal processing subsystem (201) adopts an Xilinx RFSoC chip and an Xilinx Ultrascale+ VU9P FPGA, is equipped with an ADC / DAC module with a maximum sampling rate of 9.6GSPS / 5GSPS, and has a 32GB DDR4 cache.

6. The jammer device of claim 1, wherein: The air feed subsystem includes an antenna and a support.

7. The jammer device of claim 1, wherein: ​