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

Abstract

The invention relates to a system for realizing complex interference signal simulation based on a flight control system, and the system comprises a remote terminal control unit which carries out the remote wireless control of an unmanned plane flight control unit through a hand-held terminal; the unmanned aerial vehicle flight control unit carries out carrying to realize aerial flight; the complex interference signal simulation unit responds to the received instruction and carries out baseband data processing; the interference signal gain distribution unit is used for performing power distribution output on the interference signal; the interference signal gain detection unit is used for carrying out gain dynamic detection on part of feedback power and adjusting output signal power; and the antenna array unit automatically selects a proper antenna for signal transmission. The system 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 present invention 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 system for realizing complex interference signal simulation based on a flight control system. Background Art

[0002] Complex interference signal simulation devices play an important role in the field of mobile communication and satellite navigation communication testing. They can be widely used in equipment testing, electromagnetic environment testing, calibration testing and other application scenarios, and have significant national defense economic and social benefits. Interference signal simulation devices that are portable, flexible, wide-coverage, highly reliable and support remote control are currently a technical difficulty in the field of mobile communication and satellite navigation communication airborne testing. Traditional interference signal simulation devices can only work in ground mode or be fixed at a specific location for fixed-point testing. They have the disadvantages of large structural size, narrow coverage, and inability to be remotely controlled. Therefore, existing technical solutions cannot meet the technical requirements for mobile communication and satellite navigation communication airborne testing. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a system for simulating complex interference signals based on a flight control system, which is portable and flexible, has wide coverage, is highly reliable, and supports remote control.

[0004] In order to achieve the above-mentioned purpose, the system for simulating complex interference signals based on the flight control system of the present invention is as follows:

[0005] The system for simulating complex interference signals based on the flight control system has the following main features:

[0006] The remote terminal control unit is used to remotely wirelessly control the UAV flight control unit through a handheld terminal to complete control command sending and status receiving;

[0007] The UAV flight control unit is connected to the remote terminal control unit and is used to carry out aerial flight and to interact with the complex interference signal simulation unit.

[0008] A complex interference signal simulation unit is connected to the UAV flight control unit and is used to respond to the received instructions, perform baseband data processing, and complete the output of interference signals with dynamically adjustable power and frequency;

[0009] An interference signal gain distribution unit, connected to the complex interference signal simulation unit, for distributing power output of the interference signal;

[0010] The interference signal gain detection unit is connected to the interference signal gain distribution unit and is used to dynamically detect the gain of part of the feedback power. According to the detected power, the UAV flight control unit sends instructions to the complex interference signal simulation unit to dynamically adjust the output signal power to meet the output signal power requirement;

[0011] The antenna array unit is connected to the interference signal gain distribution unit and is used to automatically select a suitable antenna for signal transmission for complex interference signals in different frequency bands.

[0012] Preferably, the complex interference signal simulation unit comprises:

[0013] A baseband data processing module is connected to the UAV flight control unit and is used to respond to received instructions and generate a digital baseband signal with variable amplitude and phase;

[0014] An anti-aliasing filtering module, connected to the baseband data processing module, for filtering the generated digital baseband signal to suppress out-of-band interference;

[0015] A broadband orthogonal modulation module, connected to the anti-aliasing filter module, is used to perform broadband orthogonal modulation on the filtered digital baseband signal to generate the required interference signals of different standards;

[0016] A frequency synthesis local oscillator module is connected to the broadband orthogonal modulation module and is used to provide a high-performance frequency signal for orthogonal modulation of the filtered digital baseband signal;

[0017] A broadband gain amplification module, connected to the broadband orthogonal modulation module, is used to perform gain amplification on interference signals of different standards generated after orthogonal modulation to improve the dynamic range of the output interference signal;

[0018] The broadband gain attenuation module is connected to the broadband gain amplification module and is used to perform gain attenuation on interference signals of different standards generated after orthogonal modulation to improve the dynamic range of the output interference signal.

[0019] Preferably, the baseband data processing performed by the complex interference signal simulation unit specifically includes baseband data generation, anti-aliasing filtering, broadband orthogonal modulation, and gain adjustment.

[0020] The system for simulating complex interference signals based on the flight control system of the present invention meets the requirements of airborne interference signal simulation equipment such as portability, flexibility, wide coverage, high reliability, and support for remote control, and can be widely used in complex interference simulation devices for various application scenarios such as mobile communication and satellite navigation communication equipment testing, electromagnetic environment testing, and calibration testing. According to the technical requirements of interference signal simulation devices based on flight control systems, remote control, flight control systems, baseband data processing, gain adjustment, power distribution, etc. are used to support mobile communication and satellite navigation communication related tests. This device realizes the ability to use the flight control system to carry complex interference signal simulation devices, and can be widely used in various application scenarios such as mobile communication and satellite navigation communication equipment testing, electromagnetic environment testing, and calibration testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The schematic diagram is a structural diagram of a system for simulating complex interference signals based on a flight control system according to the present invention. DETAILED DESCRIPTION

[0022] In order to more clearly describe the technical content of the present invention, further description is given below in conjunction with specific embodiments.

[0023] The system for simulating complex interference signals based on the flight control system of the present invention includes:

[0024] The remote terminal control unit is used to remotely wirelessly control the UAV flight control unit through a handheld terminal to complete control command sending and status receiving;

[0025] The UAV flight control unit is connected to the remote terminal control unit and is used to carry out aerial flight and to interact with the complex interference signal simulation unit.

[0026] A complex interference signal simulation unit is connected to the UAV flight control unit and is used to respond to the received instructions, perform baseband data processing, and complete the output of interference signals with dynamically adjustable power and frequency;

[0027] An interference signal gain distribution unit, connected to the complex interference signal simulation unit, for distributing power output of the interference signal;

[0028] The interference signal gain detection unit is connected to the interference signal gain distribution unit and is used to dynamically detect the gain of part of the feedback power. According to the detected power, the UAV flight control unit sends instructions to the complex interference signal simulation unit to dynamically adjust the output signal power to meet the output signal power requirement;

[0029] The antenna array unit is connected to the interference signal gain distribution unit and is used to automatically select a suitable antenna for signal transmission for complex interference signals in different frequency bands.

[0030] As a preferred embodiment of the present invention, the complex interference signal simulation unit comprises:

[0031] A baseband data processing module is connected to the UAV flight control unit and is used to respond to received instructions and generate a digital baseband signal with variable amplitude and phase;

[0032] An anti-aliasing filtering module, connected to the baseband data processing module, for filtering the generated digital baseband signal to suppress out-of-band interference;

[0033] A broadband orthogonal modulation module, connected to the anti-aliasing filter module, is used to perform broadband orthogonal modulation on the filtered digital baseband signal to generate the required interference signals of different standards;

[0034] A frequency synthesis local oscillator module is connected to the broadband orthogonal modulation module and is used to provide a high-performance frequency signal for orthogonal modulation of the filtered digital baseband signal;

[0035] A broadband gain amplification module, connected to the broadband orthogonal modulation module, is used to perform gain amplification on interference signals of different standards generated after orthogonal modulation to improve the dynamic range of the output interference signal;

[0036] The broadband gain attenuation module is connected to the broadband gain amplification module and is used to perform gain attenuation on interference signals of different standards generated after orthogonal modulation to improve the dynamic range of the output interference signal.

[0037] As a preferred embodiment of the present invention, the baseband data processing performed by the complex interference signal simulation unit specifically includes baseband data generation, anti-aliasing filtering, broadband orthogonal modulation, and gain adjustment.

[0038] In a specific implementation of the present invention, there is provided an airborne complex interference signal simulation device that is portable and flexible, has wide coverage, is highly reliable, and supports remote control.

[0039] The present invention relates to a complex interference signal simulation device based on a flight control system, such as Figure 1 As shown, it includes 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, and the modules are connected in sequence.

[0040] The remote terminal control unit is used to remotely wirelessly control the UAV flight control unit through a handheld terminal to complete control command sending and status receiving;

[0041] The UAV flight control unit is connected to the remote terminal control unit and is used to carry each unit module to realize air flight and complete command interaction with the complex interference signal simulation unit;

[0042] The complex interference signal simulation unit is connected to the UAV flight control unit and is used to respond to the received instructions, perform baseband data generation, anti-aliasing filtering, broadband orthogonal modulation, gain adjustment and other processing, and complete the output of interference signals with dynamically adjustable power and frequency;

[0043] An interference signal gain distribution unit, connected to the complex interference signal simulation unit, for distributing power output of the interference signal;

[0044] The interference signal gain detection unit is connected to the interference signal gain distribution unit and is used to dynamically detect the gain of part of the feedback power. According to the detected power, the UAV flight control unit sends instructions to the complex interference signal simulation unit to dynamically adjust the output signal power to meet the output signal power requirement;

[0045] The antenna array unit is connected to the interference signal gain distribution unit and is used to automatically select a suitable antenna for signal transmission for complex interference signals in different frequency bands.

[0046] The complex interference signal simulation unit comprises:

[0047] A baseband data processing module is connected to the UAV flight control unit and is used to respond to received instructions and generate a digital baseband signal with variable amplitude and phase;

[0048] An anti-aliasing filtering module, connected to the baseband data processing module, for filtering the generated digital baseband signal to suppress out-of-band interference;

[0049] A broadband orthogonal modulation module, connected to the anti-aliasing filter module, is used to perform broadband orthogonal modulation on the filtered digital baseband signal to generate the required interference signals of different standards;

[0050] A frequency synthesis local oscillator module is connected to the broadband orthogonal modulation module and is used to provide a high-performance frequency signal for orthogonal modulation of the filtered digital baseband signal;

[0051] A broadband gain amplification module, connected to the broadband orthogonal modulation module, is used to perform gain amplification on interference signals of different standards generated after orthogonal modulation to improve the dynamic range of the output interference signal;

[0052] The broadband gain attenuation module is connected to the broadband gain amplification module and is used to perform gain attenuation on interference signals of different standards generated after orthogonal modulation to improve the dynamic range of the output interference signal.

[0053] The specific working method of the device is:

[0054] The remote terminal control unit 1 realizes remote wireless control of the UAV flight control unit through a handheld terminal, completes control command sending and status receiving, and the UAV flight control unit 2 can carry various unit modules to realize air flight, and at the same time completes 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 orthogonally modulated by a broadband orthogonal modulation module 301. After modulation, interference signals of different standards can be gain amplified or attenuated to improve the dynamic range of the output interference signal. The interference signal gain distribution unit 4 distributes the power of the interference signal and outputs it. The interference signal gain detection unit 5 performs dynamic gain detection on part of the feedback power. According to the detected power, the UAV flight control unit 2 sends instructions to the complex interference signal simulation unit 3 to dynamically adjust the output signal power to meet the output signal power requirement. 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 the flight control system.

[0055] The specific implementation scheme of this embodiment can refer to the relevant description in the above embodiment, which will not be repeated here.

[0056] It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.

[0057] 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 "plurality" refers to at least two.

[0058] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0059] The system for simulating complex interference signals based on the flight control system of the present invention meets the requirements of airborne interference signal simulation equipment such as portability, flexibility, wide coverage, high reliability, and support for remote control, and can be widely used in complex interference simulation devices for various application scenarios such as mobile communication and satellite navigation communication equipment testing, electromagnetic environment testing, and calibration testing. According to the technical requirements of interference signal simulation devices based on flight control systems, remote control, flight control systems, baseband data processing, gain adjustment, power distribution, etc. are used to support mobile communication and satellite navigation communication related tests. This device realizes the ability to use the flight control system to carry complex interference signal simulation devices, and can be widely used in various application scenarios such as mobile communication and satellite navigation communication equipment testing, electromagnetic environment testing, and calibration testing.

[0060] In this specification, the present invention has been described with reference to specific embodiments thereof. However, it is apparent that various modifications and variations may be made without departing from the spirit and scope of the present invention. Therefore, the specification and drawings should be regarded as illustrative rather than restrictive.

Claims

1. A system for simulating complex interference signals based on a flight control system, characterized in that: The system comprises: The remote terminal control unit is used to remotely wirelessly control the UAV flight control unit through a handheld terminal to complete control command sending and status receiving; The UAV flight control unit is connected to the remote terminal control unit and is used to carry out aerial flight and to interact with the complex interference signal simulation unit. A complex interference signal simulation unit is connected to the UAV flight control unit and is used to respond to the received instructions, perform baseband data processing, and complete the output of interference signals with dynamically adjustable power and frequency; An interference signal gain distribution unit, connected to the complex interference signal simulation unit, for distributing power output of the interference signal; The interference signal gain detection unit is connected to the interference signal gain distribution unit and is used to dynamically detect the gain of part of the feedback power. According to the detected power, the UAV flight control unit sends instructions to the complex interference signal simulation unit to dynamically adjust the output signal power to meet the output signal power requirement; The antenna array unit is connected to the interference signal gain distribution unit and is used to automatically select a suitable antenna for signal transmission for complex interference signals in different frequency bands.

2. The system for simulating complex interference signals based on a flight control system according to claim 1, characterized in that: The complex interference signal simulation unit comprises: A baseband data processing module is connected to the UAV flight control unit and is used to respond to received instructions and generate a digital baseband signal with variable amplitude and phase; An anti-aliasing filtering module, connected to the baseband data processing module, for filtering the generated digital baseband signal to suppress out-of-band interference; A broadband orthogonal modulation module, connected to the anti-aliasing filter module, is used to perform broadband orthogonal modulation on the filtered digital baseband signal to generate the required interference signals of different standards; A frequency synthesis local oscillator module is connected to the broadband orthogonal modulation module and is used to provide a high-performance frequency signal for orthogonal modulation of the filtered digital baseband signal; A broadband gain amplification module, connected to the broadband orthogonal modulation module, is used to perform gain amplification on interference signals of different standards generated after orthogonal modulation to improve the dynamic range of the output interference signal; The broadband gain attenuation module is connected to the broadband gain amplification module and is used to perform gain attenuation on interference signals of different standards generated after orthogonal modulation to improve the dynamic range of the output interference signal.

3. The system for simulating complex interference signals based on a flight control system according to claim 1, characterized in that: The baseband data processing performed by the complex interference signal simulation unit specifically includes baseband data generation, anti-aliasing filtering, broadband orthogonal modulation, and gain adjustment.

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