CN108566215B - Ultra-wideband radio spectrum management and control system and implementation method thereof - Google Patents
Ultra-wideband radio spectrum management and control system and implementation method thereof Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0416—Circuits with power amplifiers having gain or transmission power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K2203/00—Jamming of communication; Countermeasures
- H04K2203/10—Jamming or countermeasure used for a particular application
- H04K2203/22—Jamming or countermeasure used for a particular application for communication related to vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses an ultra-wideband radio spectrum management and control system which comprises a first transmitting channel, a second transmitting channel, a third transmitting channel and the like, wherein the first transmitting channel, the second transmitting channel and the third transmitting channel are used for transmitting sweep frequency signals of different frequency bands. In addition, the invention also provides a realization method of the ultra-wideband radio spectrum management and control system, which comprises the following steps: (1) Inputting control parameters to a singlechip control subsystem in the three paths of emission channels respectively; (2) The singlechip control subsystem in each path of emission channel controls the frequency source subsystem in the corresponding emission channel to synthesize a designated sweep frequency signal according to the recorded control parameters; according to the invention, the 5 paths of signal channels are used for respectively transmitting sweep frequency signals in different frequency bands so as to interfere the communication signals, so that the problem that the conventional jammer adopts a full-frequency scanning mode to sweep the communication signals is solved, the sweep frequency speed is greatly improved, and the interference performance of a management and control system is improved.
Description
Technical Field
The invention relates to the field of wireless communication, in particular to an ultra-wideband radio spectrum management and control system and an implementation method thereof.
Background
Along with the continuous reduction of unmanned aerial vehicle development and production cost, the unmanned aerial vehicle has increasingly wide application range, vigorous market demand and wide development prospect, and increasingly outstanding roles in national economy construction can become an important industry for supporting the development of Chinese economy.
The unmanned plane may form potential safety hazards to other flying objects and ground personnel during flying, and may bring serious safety problems such as spy behaviors, traffic accidents, flying into government forbidden areas, candid shooting, drug stealing, and taking part in airlines, which has drawn strong attention from government departments and society.
In order to avoid illegal operation of the unmanned aerial vehicle, a plurality of domestic enterprises develop electromagnetic interference machines for the unmanned aerial vehicle, and the purpose is to enable the unmanned aerial vehicle to fly away or crash in an electromagnetic interference mode when the unmanned aerial vehicle flies near a no-fly area so as to avoid various accidents. However, the electromagnetic interference machine dominant in the market at present only has a few frequency bands of interference gps,2.4g and 5.8 g. Because the current unmanned aerial vehicle flight control and image transmission frequency has no definite market admission authentication, aiming at the current unmanned aerial vehicle jammers, various manufacturers want to improve the anti-jamming capability by various methods, including frequency hopping, avoiding the frequency of the current jammers and other means; in addition, the traditional jammer scans the frequency in a full-frequency scanning mode, the whole scanning time reaches the second level, for the communication equipment such as frequency hopping, in a complete scanning period, the control equipment only has a short opportunity to interfere the related communication equipment within a few seconds, and the one-time full-frequency scanning mode basically does not play a role in He Ganrao and suppression because continuous interference for a period of time is needed for controlling the equipment. Therefore, more advanced technical means are necessary to be adopted on the current main interference means, so that the anti-interference capability of the unmanned aerial vehicle which is continuously updated is fundamentally solved, and finally, the flight of the unmanned aerial vehicle is brought into a controllable range.
Disclosure of Invention
The invention aims to overcome the defects of the existing jammer and provide an ultra-wideband radio frequency spectrum management and control system and an implementation method thereof.
The ultra-wideband radio spectrum management and control system comprises a first transmission channel, a second transmission channel and a third transmission channel which are used for transmitting sweep frequency signals of different frequency bands, and a power subsystem which is respectively connected with the first transmission channel, the second transmission channel and the third transmission channel.
Further, the first transmitting channel comprises a first single chip microcomputer control subsystem, a first frequency source subsystem connected with the first single chip microcomputer control subsystem, a first transmitting channel subsystem connected with the first frequency source subsystem, a first high-power transmitting subsystem connected with the first transmitting channel subsystem and a first antenna subsystem connected with the first high-power transmitting subsystem; the power subsystem is connected with the first singlechip control subsystem, the first frequency source subsystem, the first transmission channel subsystem and the first high-power transmission subsystem respectively.
The second transmitting channel comprises a second single chip microcomputer control subsystem, a second frequency source subsystem connected with the second single chip microcomputer control subsystem, a second transmitting channel subsystem connected with the second frequency source subsystem, a second high-power transmitting subsystem connected with the second transmitting channel subsystem and a second antenna subsystem connected with the second high-power transmitting subsystem; the power subsystem is connected with the second singlechip control subsystem, the second frequency source subsystem, the second transmitting channel subsystem and the second high-power transmitting subsystem respectively.
The third transmitting channel comprises a third single chip microcomputer control subsystem, a third frequency source subsystem connected with the third single chip microcomputer control subsystem, and a third transmitting sub-channel, a fourth transmitting sub-channel and a fifth transmitting sub-channel which are all connected with the third frequency source subsystem; the power subsystem is respectively connected with the third singlechip control subsystem, the third frequency source subsystem, the third transmitting sub-channel, the fourth transmitting sub-channel and the fifth transmitting sub-channel; the third transmitting sub-channel comprises a third transmitting channel sub-system connected with the third frequency source sub-system, a third high-power transmitting sub-system connected with the third transmitting channel sub-system and a third antenna sub-system connected with the third high-power transmitting sub-system; the power subsystem is respectively connected with the third transmitting channel subsystem and the third high-power transmitting subsystem.
The fourth transmitting sub-channel comprises a fourth transmitting channel sub-system connected with the third frequency source sub-system, a fourth high-power transmitting sub-system connected with the fourth transmitting channel sub-system and a fourth antenna sub-system connected with the fourth high-power transmitting sub-system; the power subsystem is respectively connected with the fourth transmitting channel subsystem and the fourth high-power transmitting subsystem.
The fifth transmitting sub-channel comprises a fifth transmitting channel sub-system connected with the third frequency source sub-system, a fifth high-power transmitting sub-system connected with the fifth transmitting channel sub-system and a fifth antenna sub-system connected with the fifth high-power transmitting sub-system; the power subsystem is respectively connected with the fifth transmitting channel subsystem and the fifth high-power transmitting subsystem.
The first frequency source subsystem comprises a DDS module connected with the first singlechip control subsystem, a clock module and a filtering unit which are both connected with the DDS module, and an amplifying unit connected with the filtering unit; the amplifying unit is connected with the first transmission channel subsystem.
The method for realizing the ultra-wideband radio spectrum management and control system comprises the following steps:
(1) Inputting control parameters to a singlechip control subsystem in the first transmission channel, the second transmission channel and the third transmission channel respectively;
(2) The single chip microcomputer control subsystems in the first transmission channel, the second transmission channel and the third transmission channel control the frequency source subsystems in the corresponding transmission channels to synthesize sweep signals of specified frequency bands, bandwidths, steps and modulation modes according to the recorded control parameters, and send the sweep signals to the transmission channel subsystems in the corresponding transmission channels;
(3) Each transmitting channel subsystem carries out phase-locked loop, frequency multiplication and frequency mixing processing on the sweep frequency signal and then sends the sweep frequency signal to a high-power transmitting subsystem in a corresponding transmitting channel;
(4) Amplifying the power of the sweep frequency signal by each high-power transmitting subsystem and outputting the amplified power to the antenna subsystem in the corresponding transmitting channel;
(5) Each antenna subsystem transmits a swept frequency signal to space to thereby manage and control a region of space.
The control parameters recorded in the step (1) comprise frequency, step, scanning period and linear continuous wave frequency modulation parameters.
And (2) controlling a frequency source subsystem in the transmitting channel of the singlechip control subsystem in the third transmitting channel to respectively transmit sweep frequency signals of different frequency bands to the third transmitting channel subsystem, the fourth transmitting channel subsystem and the fifth transmitting channel subsystem according to the recorded control parameters.
Compared with the prior art, the invention has the following advantages:
(1) According to the invention, the 5 paths of signal channels are used for respectively transmitting sweep frequency signals in different frequency bands so as to interfere the communication signals, so that the problem that the conventional jammer adopts a full-frequency scanning mode to sweep the communication signals is solved, the sweep frequency speed is greatly improved, and the interference performance of a management and control system is improved.
(2) The invention can realize the interference to the communication systems with different frequency bands by switching on the power supply of each transmitting channel.
Drawings
Fig. 1 is a block diagram of a management and control system of the present invention.
Fig. 2 is a block diagram of a first frequency source subsystem according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples, but embodiments of the present invention are not limited thereto.
Example 1
In order to control the communication devices, as shown in fig. 1, the ultra-wideband radio spectrum control system of the embodiment includes a first transmitting channel, a second transmitting channel and a third transmitting channel for transmitting sweep signals in different frequency bands, and a power subsystem connected to the first transmitting channel, the second transmitting channel and the third transmitting channel respectively. The power subsystem is used for supplying power to each transmitting channel.
As shown in fig. 1, the first transmission channel includes a first single-chip microcomputer control subsystem, a first frequency source subsystem connected with the first single-chip microcomputer control subsystem, a first transmission channel subsystem connected with the first frequency source subsystem, a first high-power transmission subsystem connected with the first transmission channel subsystem, and a first antenna subsystem connected with the first high-power transmission subsystem. The power subsystem is respectively connected with the first singlechip control subsystem, the first frequency source subsystem, the first transmission channel subsystem and the first high-power transmission subsystem and is used for supplying power to each subsystem.
The first singlechip control subsystem is a singlechip control module and is used for inputting control parameters and controlling the first frequency source subsystem to work; in the embodiment, the frequency, the step, the scanning period and the linear continuous wave frequency modulation parameters are input into the first single chip microcomputer control subsystem, and the first single chip microcomputer control subsystem can control the first frequency source subsystem to generate corresponding sweep frequency signals according to the input parameters; the first singlechip control subsystem is realized by adopting an 8051 singlechip.
The first frequency source subsystem is used for outputting sweep frequency signals of corresponding bandwidth, modulation mode, frequency hopping mode and scanning period according to control parameters recorded by the first single chip microcomputer control subsystem. As shown in fig. 2, the first frequency source subsystem includes a DDS module connected to the first singlechip control subsystem, a clock module and a filtering unit both connected to the DDS module, and an amplifying unit connected to the filtering unit; the amplifying unit is connected with the first transmission channel subsystem.
The DDS module is a direct digital frequency synthesizer, which typically includes three parts, a frequency control register, a phase accumulator, and a sinusoidal calculator. The frequency control register can be loaded in a serial or parallel mode and registers a frequency control code input by the first singlechip control subsystem; the phase accumulator performs phase accumulation in each clock period according to the frequency control code to obtain a phase value; the sine calculator calculates the digital sine wave amplitude of the phase value, so that the frequency sweep signal of the specified frequency band can be output; namely, the DDS module can output sweep frequency signals of different frequency bands according to the control parameters of the first singlechip control subsystem. The sweep frequency signal is filtered and amplified and then output to the first transmitting channel subsystem. In this embodiment, the DDS module is implemented by an AD9914 module. In addition, the filtering unit is a filtering circuit, which can filter the parasitic interference signal in the sweep frequency signal, so that the bandwidth of the signal can be limited, and the filtering circuit for filtering the parasitic interference signal is already a mature technology and will not be described in detail herein. The amplifying unit is an amplifying circuit for amplifying the sweep frequency signal, and the amplifying circuit for amplifying the sweep frequency signal also belongs to the current mature technology and is not described herein. The first singlechip control subsystem controls the first frequency source subsystem to output a sweep frequency signal with the frequency band of 20 MHz-300 MHz according to the entered parameters.
The first transmitting channel subsystem is used for carrying out phase locking, frequency multiplication and frequency mixing on the sweep frequency signal generated by the first frequency source subsystem and outputting the sweep frequency signal; the first transmit channel subsystem is effectively a transmitter. The transmitter is already the mature technology, and the output power of the transmitter adopted in this embodiment is 1W.
The first high-power transmitting subsystem is an amplifying circuit and is used for amplifying the transmitting power of the signal so as to enlarge the transmitting range of the signal; the amplifying circuit for amplifying the output power is already a mature technology at present, and the structure of the first high-power transmitting subsystem is not described herein.
The first antenna subsystem is an antenna with a sma interface and is used for transmitting sweep frequency signals with the frequency band of 20 MHz-300 MHz generated by a channel to a space so as to interfere communication signals.
The second transmitting channel comprises a second single chip microcomputer control subsystem, a second frequency source subsystem connected with the second single chip microcomputer control subsystem, a second transmitting channel subsystem connected with the second frequency source subsystem, a second high-power transmitting subsystem connected with the second transmitting channel subsystem and a second antenna subsystem connected with the second high-power transmitting subsystem; the power subsystem is connected with the second singlechip control subsystem, the second frequency source subsystem, the second transmitting channel subsystem and the second high-power transmitting subsystem respectively.
The structure and the working principle of the second transmitting channel are the same as those of the first transmitting channel, namely, the second single-chip microcomputer control subsystem is a single-chip microcomputer control module, the function of the second single-chip microcomputer control subsystem is the same as that of the first single-chip microcomputer control subsystem, and an 8051 single-chip microcomputer is also adopted. The structure of the second frequency source subsystem is the same as that of the first frequency source subsystem, and will not be described here again. During operation, corresponding frequency, stepping, scanning period and linear continuous wave frequency modulation parameters are input into the second single chip microcomputer control subsystem, so that the second single chip microcomputer control subsystem controls the second frequency source subsystem to output sweep frequency signals with the frequency band of 300 MHz-1 GHz according to the input parameters. The structure and function of the second transmission channel subsystem are the same as those of the first transmission channel subsystem, the structure and function of the second high-power transmission subsystem are the same as those of the first high-power transmission subsystem, and the structure and function of the second antenna subsystem are the same as those of the first antenna subsystem, so that redundant description is omitted herein.
The third transmitting channel comprises a third single chip microcomputer control subsystem, a third frequency source subsystem connected with the third single chip microcomputer control subsystem, and a third transmitting sub-channel, a fourth transmitting sub-channel and a fifth transmitting sub-channel which are all connected with the third frequency source subsystem; the power subsystem is connected with the third singlechip control subsystem, the third frequency source subsystem, the third transmitting sub-channel, the fourth transmitting sub-channel and the fifth transmitting sub-channel respectively.
The third SCM control subsystem is a SCM control module, and has the same function as the first SCM control subsystem and is also an 8054 SCM. The third frequency source subsystem is also an AD9914 direct digital frequency synthesizer, and can realize a frequency amplitude phase controllable and adjustable sweep frequency signal according to a control instruction of the singlechip; specifically, different frequency, step, scanning period and linear continuous wave frequency modulation parameters are recorded into the third singlechip control subsystem, so that the third frequency source subsystem outputs sweep signals with the frequency band range of 1 GHz-2 GHz to the third transmitting sub-channel, outputs sweep signals with the frequency band range of 2 GHz-4 GHz to the fourth transmitting sub-channel and outputs sweep signals with the frequency band range of 4 GHz-6 GHz to the fifth transmitting sub-channel.
Further, as shown in fig. 1, the third transmitting sub-channel includes a third transmitting channel subsystem connected to the third frequency source subsystem, a third high-power transmitting subsystem connected to the third transmitting channel subsystem, and a third antenna subsystem connected to the third high-power transmitting subsystem; the power subsystem is respectively connected with the third transmitting channel subsystem and the third high-power transmitting subsystem.
The fourth transmitting sub-channel comprises a fourth transmitting channel sub-system connected with the third frequency source sub-system, a fourth high-power transmitting sub-system connected with the fourth transmitting channel sub-system and a fourth antenna sub-system connected with the fourth high-power transmitting sub-system; the power subsystem is respectively connected with the fourth transmitting channel subsystem and the fourth high-power transmitting subsystem.
The fifth transmitting sub-channel comprises a fifth transmitting channel sub-system connected with the third frequency source sub-system, a fifth high-power transmitting sub-system connected with the fifth transmitting channel sub-system and a fifth antenna sub-system connected with the fifth high-power transmitting sub-system; the power subsystem is respectively connected with the fifth transmitting channel subsystem and the fifth high-power transmitting subsystem.
The structures and actions of the third, fourth and fifth transmitting channel subsystems are the same as those of the first transmitting channel subsystem, and the structures and actions of the third, fourth and fifth high-power transmitting subsystems are the same as those of the first high-power transmitting subsystem, so that the structures and actions of the third, fourth and fifth antenna subsystems are the same as those of the first antenna subsystem, and thus redundant description is omitted herein.
The 5 paths of signal channels are used for respectively sending sweep frequency signals of different frequency bands so as to interfere the communication signals, thereby solving the problem that the traditional jammer adopts a full-frequency scanning mode to sweep the communication signals and has low sweep frequency speed, greatly improving the sweep frequency speed and further improving the interference performance of the management and control system.
Example two
The implementation method of the ultra-wideband radio spectrum management and control system in the first embodiment specifically includes the following steps:
(1) And inputting control parameters to the singlechip control subsystem in the first transmission channel, the second transmission channel and the third transmission channel respectively. Different control parameters are respectively input to a first single-chip microcomputer control subsystem in a first transmitting channel, a second single-chip microcomputer control subsystem in a second transmitting channel and a third single-chip microcomputer control subsystem in a third transmitting channel. Specifically, the entered control parameters include frequency, step and scan period and linear continuous wave frequency modulation parameters; the parameters are obtained according to signals which are intercepted by an analytic radar, a radio direction finder or a frequency spectrograph and sent by equipment to be controlled; the control system can know what sweep frequency signal is required to be sent out to control the equipment to be controlled according to the intercepted signal sent out by the equipment to be controlled.
(2) The single chip microcomputer control subsystems in the first transmission channel, the second transmission channel and the third transmission channel control the frequency source subsystems in the corresponding transmission channels to synthesize sweep frequency signals of specified frequency bands, bandwidths, steps and modulation modes according to different recorded control parameters, and the sweep frequency signals are sent to the transmission channel subsystems in the corresponding transmission channels. The first single-chip microcomputer control subsystem controls the first frequency source subsystem to synthesize sweep frequency signals of corresponding frequency bands and output the sweep frequency signals to the first transmission channel subsystem, and the second single-chip microcomputer control subsystem controls the second frequency source subsystem to synthesize sweep frequency signals of corresponding frequency bands and output the sweep frequency signals to the second transmission channel subsystem; the third singlechip control subsystem controls the third frequency source subsystem to synthesize three frequency sweep signals with different frequency bands according to the recorded control parameters, and outputs the frequency sweep signals to the third emission channel subsystem in the third emission channel subsystem, the fourth emission channel subsystem in the fourth emission channel subsystem and the fifth emission channel subsystem in the fifth emission channel subsystem respectively.
(3) Each transmitting channel subsystem respectively carries out phase-locked loop, frequency multiplication and frequency mixing processing on the received sweep frequency signals and then sends the sweep frequency signals to the high-power transmitting subsystem in the corresponding transmitting channel. Specifically, the first transmitting channel subsystem processes the sweep signal and sends the sweep signal to the first high-power transmitting subsystem, the second transmitting channel subsystem processes the sweep signal and sends the sweep signal to the second high-power transmitting subsystem, the third transmitting channel subsystem processes the sweep signal and sends the sweep signal to the third high-power transmitting subsystem, the fourth transmitting channel subsystem processes the sweep signal and sends the sweep signal to the fourth high-power transmitting subsystem, and the fifth transmitting channel subsystem processes the sweep signal and sends the sweep signal to the fifth high-power transmitting subsystem.
(4) And each high-power transmitting subsystem amplifies the power of the sweep frequency signal and outputs the amplified power to the antenna subsystem in the corresponding transmitting channel. Specifically, the first high-power transmitting subsystem transmits the processed sweep frequency signal to the first antenna subsystem, the second high-power transmitting subsystem transmits the processed sweep frequency signal to the second high-power transmitting subsystem, the third high-power transmitting subsystem transmits the processed sweep frequency signal to the third antenna subsystem, the fourth high-power transmitting subsystem transmits the processed sweep frequency signal to the fourth antenna subsystem, and the fifth high-power transmitting subsystem transmits the processed sweep frequency signal to the fifth antenna subsystem. The control distance can be increased by amplifying the output power of the sweep frequency signal.
(5) The first antenna subsystem, the second antenna subsystem, the third antenna subsystem, the fourth antenna subsystem and the fifth antenna subsystem respectively send sweep frequency signals of different frequency bands to the space, so that the space area is controlled. According to the invention, for the whole control frequency of equipment to be controlled, the sweep frequency signals are sent through 5 frequency bands, and the sweep frequency signals of each frequency band sweep the control frequency of the corresponding frequency band, so that the sweep speed of the whole control frequency is improved.
As described above, the present invention can be well implemented.
Claims (5)
1. The ultra-wideband radio spectrum control system is characterized by comprising a first transmitting channel, a second transmitting channel and a third transmitting channel which are used for transmitting sweep frequency signals of different frequency bands, and a power subsystem which is respectively connected with the first transmitting channel, the second transmitting channel and the third transmitting channel;
the first transmitting channel comprises a first single chip microcomputer control subsystem, a first frequency source subsystem connected with the first single chip microcomputer control subsystem, a first transmitting channel subsystem connected with the first frequency source subsystem, a first high-power transmitting subsystem connected with the first transmitting channel subsystem and a first antenna subsystem connected with the first high-power transmitting subsystem; the power subsystem is connected with the first singlechip control subsystem, the first frequency source subsystem, the first transmission channel subsystem and the first high-power transmission subsystem respectively;
the second transmitting channel comprises a second single chip microcomputer control subsystem, a second frequency source subsystem connected with the second single chip microcomputer control subsystem, a second transmitting channel subsystem connected with the second frequency source subsystem, a second high-power transmitting subsystem connected with the second transmitting channel subsystem and a second antenna subsystem connected with the second high-power transmitting subsystem; the power subsystem is connected with the second singlechip control subsystem, the second frequency source subsystem, the second transmitting channel subsystem and the second high-power transmitting subsystem respectively;
the third transmitting channel comprises a third single chip microcomputer control subsystem, a third frequency source subsystem connected with the third single chip microcomputer control subsystem, and a third transmitting sub-channel, a fourth transmitting sub-channel and a fifth transmitting sub-channel which are all connected with the third frequency source subsystem; the power subsystem is respectively connected with the third singlechip control subsystem, the third frequency source subsystem, the third transmitting sub-channel, the fourth transmitting sub-channel and the fifth transmitting sub-channel; the third transmitting sub-channel comprises a third transmitting channel sub-system connected with the third frequency source sub-system, a third high-power transmitting sub-system connected with the third transmitting channel sub-system and a third antenna sub-system connected with the third high-power transmitting sub-system; the power subsystem is respectively connected with the third transmitting channel subsystem and the third high-power transmitting subsystem;
the fourth transmitting sub-channel comprises a fourth transmitting channel sub-system connected with the third frequency source sub-system, a fourth high-power transmitting sub-system connected with the fourth transmitting channel sub-system and a fourth antenna sub-system connected with the fourth high-power transmitting sub-system; the power subsystem is respectively connected with the fourth transmitting channel subsystem and the fourth high-power transmitting subsystem;
the fifth transmitting sub-channel comprises a fifth transmitting channel sub-system connected with the third frequency source sub-system, a fifth high-power transmitting sub-system connected with the fifth transmitting channel sub-system and a fifth antenna sub-system connected with the fifth high-power transmitting sub-system; the power subsystem is respectively connected with the fifth transmitting channel subsystem and the fifth high-power transmitting subsystem.
2. The ultra-wideband radio spectrum management and control system according to claim 1, wherein the first frequency source subsystem comprises a DDS module connected with the first single chip microcomputer control subsystem, a clock module and a filtering unit both connected with the DDS module, and an amplifying unit connected with the filtering unit; the amplifying unit is connected with the first transmission channel subsystem.
3. The method for implementing the ultra-wideband radio spectrum management and control system as recited in claim 1, comprising the steps of:
(1) Inputting control parameters to a singlechip control subsystem in the first transmission channel, the second transmission channel and the third transmission channel respectively;
(2) The single chip microcomputer control subsystems in the first transmission channel, the second transmission channel and the third transmission channel control the frequency source subsystems in the corresponding transmission channels to synthesize sweep signals of specified frequency bands, bandwidths, steps and modulation modes according to the recorded control parameters, and send the sweep signals to the transmission channel subsystems in the corresponding transmission channels;
(3) Each transmitting channel subsystem carries out phase-locked loop, frequency multiplication and frequency mixing on the sweep frequency signal and then sends the sweep frequency signal to a high-power transmitting subsystem in a corresponding transmitting channel;
(4) Amplifying the power of the sweep frequency signal by each high-power transmitting subsystem and outputting the amplified power to the antenna subsystem in the corresponding transmitting channel;
(5) Each antenna subsystem transmits a swept frequency signal to space to thereby manage and control a region of space.
4. A method according to claim 3, wherein the control parameters entered in step (1) include frequency, step, sweep period and chirped continuous wave frequency modulation parameters.
5. The implementation method according to claim 3, wherein the single chip microcomputer control subsystem in the third transmission channel in the step (2) controls the frequency source subsystem in the transmission channel to respectively send sweep signals of different frequency bands to the third transmission channel subsystem, the fourth transmission channel subsystem and the fifth transmission channel subsystem according to the entered control parameters.
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| US7733979B2 (en) * | 2007-03-21 | 2010-06-08 | NDSSI Holdings, LLC | Average power control of wireless transmission having a variable duty cycle |
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