Device for realizing complex interference signal simulation based on flight control system

Abstract

The utility model relates to a device for realizing complex interference signal simulation based on a flight control system, which comprises a remote terminal control unit, an unmanned aerial vehicle flight control unit, a complex interference signal simulation unit, an interference signal gain distribution unit and an antenna array unit, the input end of the complex interference signal simulation unit is connected with the unmanned aerial vehicle flight control unit, the input end of the interference signal gain distribution unit is connected with the complex interference signal simulation unit, and the input end of the antenna array unit is connected with the interference signal gain distribution unit. The device for realizing complex interference signal simulation based on the flight control system meets the requirements of airborne interference signal simulation equipment such as portability, flexibility, wide coverage, high reliability, support of remote control and the like, and supports related tests of mobile communication and satellite navigation communication aiming at the technical requirements of the interference signal simulation device based on the flight control system.

Description

Technical Field

[0001] The utility model relates to the field of mobile communication and satellite navigation communication testing, in particular to the field of wireless communication based on a flight control system, and specifically refers to a device for simulating complex interference signals based on a flight control system. Background Art

[0002] The complex interference signal simulation device plays an important role in the fields of mobile communication and satellite navigation communication testing, and can be widely applied to various application scenarios such as equipment testing, electromagnetic environment testing, calibration testing, etc., with significant national defense, economic and social benefits. A portable, flexible, wide-coverage, highly reliable, and remotely controllable interference signal simulation device is a technical difficulty in the current airborne testing field of mobile communication and satellite navigation communication. Traditional interference signal simulation devices can only work in the ground mode or be fixed at a specific position for fixed-point testing, with disadvantages such as large structural dimensions, narrow coverage range, and inability to be remotely controlled. Therefore, the existing technical solutions cannot meet the technical requirements of airborne testing for mobile communication and satellite navigation communication. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the above-mentioned disadvantages of the prior art and provide a device for simulating complex interference signals based on a flight control system that meets the requirements of portability, flexibility, wide coverage, high reliability, and remote control.

[0004] In order to achieve the above purpose, the device for simulating complex interference signals based on a flight control system of the utility model is as follows:

[0005] The device for simulating complex interference signals based on a flight control system mainly includes a remote terminal control unit, an unmanned aerial vehicle (UAV) flight control unit, a complex interference signal simulation unit, an interference signal gain distribution unit, and an antenna array unit. The UAV flight control unit is connected to the remote terminal control unit. The input end of the complex interference signal simulation unit is connected to the UAV flight control unit. The input end of the interference signal gain distribution unit is connected to the complex interference signal simulation unit. The input end of the antenna array unit is connected to the interference signal gain distribution unit.

[0006] Preferably, the device further includes an interference signal gain detection unit. The input end of the interference signal gain detection unit is connected to the interference signal gain distribution unit, and the output end of the interference signal gain detection unit is connected to the UAV flight control unit.

[0007] Preferably, the complex interference signal simulation unit includes a baseband data processing module, an anti-aliasing filtering module, a broadband quadrature modulation module, a frequency synthesis local oscillator module, a broadband gain amplification module, and a broadband gain attenuation module. The input end of the baseband data processing module is connected to the UAV flight control unit. The input end of the anti-aliasing filtering module is connected to the baseband data processing module. The input end of the broadband quadrature modulation module is connected to the anti-aliasing filtering module. The output end of the frequency synthesis local oscillator module is connected to the broadband quadrature modulation module. The input end of the broadband gain amplification module is connected to the broadband quadrature modulation module. The input end of the broadband gain attenuation module is connected to the broadband gain amplification module. The output end of the broadband gain attenuation module is connected to the interference signal gain distribution unit.

[0008] The device for simulating complex interference signals based on a flight control system of the present invention meets the requirements of airborne interference signal simulation devices such as being portable and flexible, having wide coverage, high reliability, and supporting remote control. It can be widely applied to complex interference simulation devices in various application scenarios such as mobile communication and satellite navigation communication equipment testing, electromagnetic environment testing, and calibration testing. For the technical requirements of the interference signal simulation device based on the flight control system, remote control, flight control system, baseband data processing, gain adjustment, power distribution, etc. are used to support the relevant tests of mobile communication and satellite navigation communication. This device realizes the ability to carry a complex interference signal simulation device using the flight control system and can be widely applied to various application scenarios such as mobile communication and satellite navigation communication equipment testing, electromagnetic environment testing, and calibration testing. Description of the Drawings

[0009] Figure 1 It is a schematic structural diagram of the device for simulating complex interference signals based on a flight control system of the present invention. Detailed Embodiments

[0010] In order to more clearly describe the technical content of the present invention, specific embodiments are used for further description below.

[0011] The device for simulating complex interference signals based on a flight control system of the present invention includes a remote terminal control unit, a UAV flight control unit, a complex interference signal simulation unit, an interference signal gain distribution unit, and an antenna array unit. The UAV flight control unit is connected to the remote terminal control unit. The input end of the complex interference signal simulation unit is connected to the UAV flight control unit. The input end of the interference signal gain distribution unit is connected to the complex interference signal simulation unit. The input end of the antenna array unit is connected to the interference signal gain distribution unit.

[0012] As a preferred embodiment of the present utility model, the device further includes an interference signal gain detection unit. The input end of the interference signal gain detection unit is connected to the interference signal gain distribution unit, and the output end of the interference signal gain detection unit is connected to the UAV flight control unit.

[0013] As a preferred embodiment of the present utility model, the complex interference signal simulation unit includes a baseband data processing module, an anti-aliasing filtering module, a broadband quadrature modulation module, a frequency synthesis local oscillator module, a broadband gain amplification module, and a broadband gain attenuation module. The input end of the baseband data processing module is connected to the UAV flight control unit. The input end of the anti-aliasing filtering module is connected to the baseband data processing module. The input end of the broadband quadrature modulation module is connected to the anti-aliasing filtering module. The output end of the frequency synthesis local oscillator module is connected to the broadband quadrature modulation module. The input end of the broadband gain amplification module is connected to the broadband quadrature modulation module. The input end of the broadband gain attenuation module is connected to the broadband gain amplification module. The output end of the broadband gain attenuation module is connected to the interference signal gain distribution unit.

[0014] In a specific embodiment of the present utility model, an airborne complex interference signal simulation device that meets the requirements of portability, flexibility, wide coverage, high reliability, and support for remote control is provided.

[0015] The present utility model relates to a complex interference signal simulation device based on a flight control system, as Figure 1 shown, including a remote terminal control unit 1, a UAV flight control unit 2, a complex interference signal simulation unit 3, an interference signal gain distribution unit 4, an interference signal gain detection unit 5, and an antenna array unit 6. The above-mentioned modules are connected in sequence.

[0016] The remote terminal control unit is used to remotely wirelessly control the UAV flight control unit through a handheld terminal, and complete the sending of control instructions and the receiving of status.

[0017] The UAV flight control unit is connected to the remote terminal control unit, and is used to carry each unit module to achieve flight in the air, and at the same time complete the command interaction with the complex interference signal simulation unit.

[0018] The complex interference signal simulation unit is connected to the UAV flight control unit, and is used to respond to the received instructions, perform processing such as baseband data generation, anti-aliasing filtering, broadband quadrature modulation, and gain adjustment, and complete the output of interference signals with dynamically adjustable power and frequency.

[0019] The interference signal gain distribution unit is connected to the complex interference signal simulation unit, and is used to distribute and output the power of the interference signal.

[0020] The interference signal gain detection unit, connected to the interference signal gain allocation unit, is used to dynamically detect the gain of part of the feedback power. According to the detected power, the UAV flight control unit issues an instruction to the complex interference signal simulation unit to dynamically adjust the output signal power to meet the output signal power requirement;

[0021] The antenna array unit, connected to the interference signal gain allocation unit, is used to automatically select a suitable antenna for signal transmission of complex interference signals in different frequency bands.

[0022] The complex interference signal simulation unit includes:

[0023] The baseband data processing module, connected to the UAV flight control unit, is used to respond to the received instruction and generate a digital baseband signal with variable amplitude and phase;

[0024] The anti-aliasing filter module, connected to the baseband data processing module, is used to filter the generated digital baseband signal to suppress out-of-band interference;

[0025] The broadband quadrature modulation module, connected to the anti-aliasing filter module, is used to perform broadband quadrature modulation on the filtered digital baseband signal to generate required interference signals of different systems;

[0026] The frequency synthesis local oscillator module, connected to the broadband quadrature modulation module, is used to provide a high-performance frequency signal for quadrature modulation of the filtered digital baseband signal;

[0027] The broadband gain amplification module, connected to the broadband quadrature modulation module, is used to amplify the gain of the interference signals of different systems generated after quadrature modulation to increase the dynamic range of the output interference signals;

[0028] The broadband gain attenuation module, connected to the broadband gain amplification module, is used to attenuate the gain of the interference signals of different systems generated after quadrature modulation to increase the dynamic range of the output interference signals.

[0029] The specific working method of this device is as follows:

[0030] The remote terminal control unit 1 realizes the remote wireless control of the UAV flight control unit through a handheld terminal, completes the sending of control instructions and the reception of status. The UAV flight control unit 2 can carry each unit module to achieve flight in the air, and at the same time complete the command interaction with the complex interference signal simulation unit 3. The complex interference signal simulation unit 3 generates a digital baseband signal with variable amplitude and phase through a baseband data processing module. The digital baseband signal is filtered and suppressed by an anti-aliasing filter module. The filtered baseband signal and the frequency signal generated by the frequency synthesis local oscillator module are quadrature modulated by a broadband quadrature modulation module 301. After modulation, different system interference signals can be amplified or attenuated in gain to improve the dynamic range of the output interference signal. The interference signal gain distribution unit 4 distributes the power of the interference signal for output. The interference signal gain detection unit 5 dynamically detects the gain of part of the feedback power. According to the detected power, the UAV flight control unit 2 issues an instruction to the complex interference signal simulation unit 3 to dynamically adjust the output signal power to meet the requirements of the output signal power. The antenna array unit 6 automatically selects a suitable antenna for signal transmission according to complex interference signals of different frequency bands, and finally realizes a complex interference signal simulation device based on a flight control system.

[0031] For the specific implementation solution of this embodiment, reference can be made to the relevant descriptions in the above embodiments, and details are not described herein again.

[0032] It can be understood that the same or similar parts in the above embodiments can be referred to each other, and the content not described in detail in some embodiments can be referred to the same or similar content in other embodiments.

[0033] It should be noted that in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, the meaning of "a plurality of" refers to at least two.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0035] The device for simulating complex interference signals based on a flight control system adopting the present utility model meets the requirements of airborne interference signal simulation equipment such as being portable and flexible, having wide coverage, high reliability, and supporting remote control. It can be widely applied to complex interference simulation devices in various application scenarios such as mobile communication and satellite navigation communication equipment testing, electromagnetic environment testing, and calibration testing. Aiming at the technical requirements of the interference signal simulation device based on the flight control system, remote control, flight control system, baseband data processing, gain adjustment, power distribution, etc. are used to support relevant tests of mobile communication and satellite navigation communication. This device realizes the ability to carry a complex interference signal simulation device by using the flight control system and can be widely applied to various application scenarios such as mobile communication and satellite navigation communication equipment testing, electromagnetic environment testing, and calibration testing.

[0036] In this specification, the present utility model has been described with reference to its specific embodiments. However, it is obvious that various modifications and transformations can still be made without departing from the spirit and scope of the present utility model. Therefore, the specification and drawings should be regarded as illustrative rather than restrictive.

Claims

1. A device for simulating complex interference signals based on a flight control system, characterized in that: The device includes a remote terminal control unit, a UAV flight control unit, a complex interference signal simulation unit, an interference signal gain distribution unit and an antenna array unit. The UAV flight control unit is connected to the remote terminal control unit, the input end of the complex interference signal simulation unit is connected to the UAV flight control unit, the input end of the interference signal gain distribution unit is connected to the complex interference signal simulation unit, and the input end of the antenna array unit is connected to the interference signal gain distribution unit.

2. The device for simulating complex interference signals based on a flight control system according to claim 1, characterized in that: The device also includes an interference signal gain detection unit, an input end of the interference signal gain detection unit is connected to the interference signal gain distribution unit, and an output end of the interference signal gain detection unit is connected to the UAV flight control unit.

3. The device for simulating complex interference signals based on a flight control system according to claim 1, characterized in that: The complex interference signal simulation unit includes a baseband data processing module, an anti-aliasing filter module, a broadband orthogonal modulation module, a frequency synthesis local oscillator module, a broadband gain amplification module and a broadband gain attenuation module. The input end of the baseband data processing module is connected to the UAV flight control unit, the input end of the anti-aliasing filter module is connected to the baseband data processing module, the input end of the broadband orthogonal modulation module is connected to the anti-aliasing filter module, the output end of the frequency synthesis local oscillator module is connected to the broadband orthogonal modulation module, the input end of the broadband gain amplification module is connected to the broadband orthogonal modulation module, the input end of the broadband gain attenuation module is connected to the broadband gain amplification module, and the output end of the broadband gain attenuation module is connected to the interference signal gain distribution unit.

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