CN114844515B - Device and method for improving high-power output signal spectrum quality of broadband electronic equipment - Google Patents
Device and method for improving high-power output signal spectrum quality of broadband electronic equipment 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
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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
- H04B1/0483—Transmitters with multiple parallel paths
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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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
- H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators
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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
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- 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
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Abstract
The application discloses a device and a method for improving the spectrum quality of a high-power output signal of broadband electronic equipment, which belong to the technical field of electronics and comprise a transmitting antenna, a high-power filter network, a radiating unit, a low-power notch filter network, an excitation signal generation module and a main control module; the main control module is respectively connected with the low-power notch filter network, the excitation signal generation module, the radiation unit and the high-power filter network; the excitation signal generation module is connected with the low-power notch filter network; the radiation unit is connected with the low-power notch filter network and the high-power filter network respectively; the transmitting antenna is connected with a high-power filter network. The application enhances the adaptability of the electronic equipment in complex electromagnetic environment, improves the purpose of high-power output radio frequency signal spectrum quality of the broadband electronic equipment, and reduces the influence on other electronic equipment in the same local area.
Description
Technical Field
The application relates to the technical field of electronics, in particular to a device and a method for improving the spectrum quality of a high-power output signal of broadband electronic equipment.
Background
With the development of electronic technology, in order to meet the use requirement, the working frequency band of electronic devices is wider and wider, and meanwhile, in the same limited area, various broadband electronic devices exist together, and the devices have the disadvantages of receiving type and radiation type, the working frequency bands of the devices often contain each other and have mutual influence, but the devices are always expected to work independently at the same time, so that the respective due functions are exerted, the receiving and transmitting antennas between the devices cannot be subjected to sufficient physical isolation due to the limitation of the installation area, and the characteristics of output frequency spectrum are determined due to the power amplification characteristics of the broadband high-power radiation type devices: the output frequency spectrum contains harmonic wave/clutter signals outside the working frequency band, the harmonic wave/clutter signals are unnecessary and useless signals in the design and the use of the electronic equipment, but the harmonic wave/clutter signals exist objectively, and the normal operation of other electronic equipment in the same frequency band is often influenced during radiation output; when the radiation type equipment works, partial signals such as harmonic waves, clutter and the like enter an antenna of the receiving type equipment to influence the normal work of the receiving type equipment.
Disclosure of Invention
The application aims to overcome the defects of the prior art, and provides a device and a method for improving the spectrum quality of a high-power output signal of a broadband electronic device, which enhance the adaptability of the electronic device in a complex electromagnetic environment, improve the spectrum quality of the high-power output radio-frequency signal of the broadband electronic device and reduce the influence on other electronic devices in the same local area.
The application aims at realizing the following scheme:
an apparatus for improving the spectral quality of a high power output signal of a broadband electronic device, comprising: the device comprises a transmitting antenna, a high-power filter network, a radiating unit, a low-power notch filter network, an excitation signal generation module and a main control module; the main control module is respectively connected with the low-power notch filter network, the excitation signal generation module, the radiation unit and the high-power filter network; the excitation signal generation module is connected with a low-power notch filter network; the radiation unit is connected with the low-power notch filter network and the high-power filter network respectively; the transmitting antenna is connected with a high-power filter network; under the control of the main control module, harmonic wave and clutter signals of low-power radio frequency signals in a used frequency band are filtered, a low-power notch filter network is utilized to notch out point-frequency or narrow-band radio frequency signals which need to be forbidden to be output, and only the processed high-power radio frequency signals are output.
Further, the transmitting antenna is used for realizing external radiation of high-power radio frequency signals.
Further, the high-power filter network comprises a high-power microwave switch, a filter channel and a through channel; after receiving a control command responding to the main control module, the high-power filter network utilizes the high-power microwave switch and the filter channel to realize filtering of harmonic wave and clutter signals of high-power output signals outside the frequency band, and only uses radio frequency signals in the frequency band; and the direct channel is utilized to realize that the channel output signal is not subjected to filtering treatment.
Further, the low-power notch filter network comprises a filter channel, a notch channel and a through channel; the low-power notch filter network receives a control command in response to the main control module, completes the functions of channel filtering, channel notch and channel direct connection, realizes the filtering of harmonic wave and clutter signals of low-power radio frequency signals in a frequency band, utilizes the channel notch to notch out point frequency signals or narrow-band signals which do not need to be output, and utilizes the direct connection channel to realize the non-filtering treatment of the low-power radio frequency signals.
Further, the excitation signal generation module is used for generating a low-power radio frequency excitation signal according to the working strategy of the main control module.
Further, the radiation unit is used for receiving the radio frequency signal processed by the low-power notch filter network, and outputting a high-power radio frequency signal after the low-power small signal is amplified by power.
Further, the high-power radio-frequency power device comprises a high-power radio-frequency cable, and the radiating unit is connected with the high-power filter network through the high-power radio-frequency cable; the high-power filter network is connected with the transmitting antenna through a high-power radio frequency cable; the high-power radio-frequency cable refers to a radio-frequency cable capable of bearing corresponding power values and is used for realizing the transmission function of high-power radio-frequency signals.
Further, the main control module is used for realizing the control function of the internal centralized control capability of the broadband electronic equipment.
Further, the high-power filter network comprises a plurality of first filters, a first microwave switch and a first controller, and the first controller is used for controlling and selecting the frequency band of the radio frequency signal capable of passing through; the low-power notch filter network comprises a plurality of second filters, a second microwave switch and a second controller, and the second controller is used for controlling and selecting the frequency band of the radio frequency signals capable of passing through.
A method based on an apparatus for improving the spectral quality of a high power output signal of a broadband electronic device according to any one of the preceding claims, comprising the steps of:
s1, when electronic equipment works, a main control module determines a working strategy according to use requirements, and sends a control command to complete control of a low-power notch filter network, an excitation signal generation module, a radiation unit and a high-power filter network;
s2, the excitation signal generation module generates a required radio frequency signal, and the required radio frequency signal is sent into a low-power notch filter network through a radio frequency cable;
s3, the low-power notch filter network receives a control command sent by the main control module, performs notch and filter processing on the low-power radio frequency signal, outputs a required radio frequency signal and sends the required radio frequency signal to an input port of the radiation unit;
s4, the radiation unit receives a control command sent by the main control module, selects a corresponding channel, amplifies the low-power radio frequency signal through power, outputs a high-power radio frequency signal, and sends the high-power radio frequency signal into the high-power filter network through a high-power radio frequency cable;
s5, the high-power filter network receives the control command sent by the main control module, selects a corresponding channel, filters out harmonic and clutter high-power signals outside the frequency band, and sends the signals to the transmitting antenna through the high-power radio frequency cable;
s6, the transmitting antenna radiates the processed high-power radio frequency signals outwards.
The beneficial effects of the application include:
according to the actual use frequency band of the electronic equipment during operation, the main control module determines a system operation strategy, mainly controls the input low-power excitation signals of the radiating units and the high-power radio frequency signals output by the radiating units, filters useless signals such as harmonic waves and clutter, and can only improve the spectrum quality of the high-power output signals of the broadband electronic equipment by using the high-power radio frequency signals of the frequency band, reduce the influence on other electronic equipment in the area and enhance the adaptability of the electronic equipment in complex electromagnetic environments.
The application adopts the way that the high-power filter network is connected to the output channel of the radiation unit of the electronic equipment to filter out the signals such as harmonic waves, clutter and the like output outside the frequency band, thereby reducing the influence caused by the signals such as the harmonic waves, the clutter and the like; and a low-power filter network is connected to the input channel of the radiation unit of the electronic equipment to filter out signals such as harmonic waves, clutters and the like output outside the frequency band. The main control module determines a system working strategy according to the use requirement, and automatically controls the corresponding module, so that signals in the use frequency band are smoothly radiated out through the channel, and signals such as harmonic waves and clutter outside the use frequency band are not radiated through the channel or are greatly restrained, thereby achieving the purpose of improving the high-power output radio frequency signal spectrum quality of the broadband electronic equipment and reducing the influence on other electronic equipment in the same local area.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view showing the composition and connection of a device according to an embodiment of the present application;
fig. 2 is a flowchart of the operation of an embodiment of the present application.
Detailed Description
All of the features disclosed in all of the embodiments of this specification, or all of the steps in any method or process disclosed implicitly, except for the mutually exclusive features and/or steps, may be combined and/or expanded and substituted in any way. The technical conception, the technical problems to be solved, the working principle, the working process and the beneficial effects of the application are further detailed and fully described below with reference to fig. 1-2.
The working frequency band related to the embodiment of the application refers to a frequency band range in which the electronic device can work, for example, the working frequency band range is set as M 0 Then there is M 0 ＝F 2 -F 1 Wherein F 2 For maximum design operating frequency, F 1 The operating frequency is designed for a minimum.
The embodiment of the application relates to a use frequency band: refers to the frequency range used in the actual use process, for example, the frequency range used is set to be M 1 Then there is M 1 Less than or equal to M 0 。
Passive broadband filtering is usually adopted in the front section of the radiating unit, so that the output spectrum in the working frequency band is not improved, and the improvement effect on the output spectrum outside the working frequency band is limited. Therefore, a new method and apparatus are needed to improve the spectral quality of high power output signals of broadband electronic devices and reduce the impact on other electronic devices in the same area.
The embodiment of the application aims to solve the problems and provides a device for improving the frequency spectrum quality of a high-power output signal of broadband electronic equipment. As shown in fig. 1, the composition at least includes: the device comprises a transmitting antenna, a high-power filter network, a radiating unit, a low-power notch filter network, an excitation signal generation module, a main control module, a high-power radio frequency cable and the like;
the main control module is connected with the low-power notch filter network, the excitation signal generation module, the radiating unit and the high-power filter network, and the excitation signal generation module is connected with the low-power notch filter network; the radiation unit is connected with a low-power notch filter network and a high-power filter network; the transmitting antenna is connected with the high-power filter network, and under the control of the main control module, signals such as harmonic waves, clutter and the like of low-power radio frequency signals in a used frequency band are filtered, the notch traps out point-frequency or narrow-band radio frequency signals which need to be forbidden to be output, and only the processed high-power radio frequency signals can be output. The working principle of the embodiment of the application is as follows:
the transmitting antenna realizes external radiation of high-power radio frequency signals; the high-power filter network receives a control command in response to the main control module, so that signals such as harmonic waves, clutter and the like of high-power output signals outside a used frequency band are filtered, and the signals can be set into a channel through state only by using radio frequency signals in the frequency band, and the channel output signals are not subjected to filter processing;
the low-power notch filter network receives a control command in response to the main control module, completes the functions of channel filtering, channel notch and channel straight-through, realizes the filtering of signals such as harmonic waves, clutter and the like of low-power radio frequency signals in a frequency band, and can be set into a channel straight-through state without outputting point frequency signals or narrow-band signals due to notch of the channel, so that the low-power radio frequency signals are not filtered;
the excitation signal generation module generates a low-power radio frequency excitation signal according to the working strategy of the system main control module;
the radiation unit receives the radio frequency signals processed by the low-power notch filter network, and outputs high-power radio frequency signals after amplifying low-power small signals by power;
the high-power radio frequency cable is used for indicating the radio frequency cable which can bear corresponding power values, and the transmission function of high-power radio frequency signals is realized.
The main control module is used for realizing the control function of the internal centralized control capability of the broadband electronic equipment;
the high-power filter network and the low-power notch filter network are not limited to be composed of a plurality of filters, microwave switches and controllers, and the controllers can be used for selecting the frequency band of the radio frequency signals capable of passing through.
The working flow chart of the device of the embodiment of the application is shown in fig. 2, and the specific implementation method comprises the following steps:
when the electronic equipment works, the main control module determines a system working strategy according to the use requirement, and sends a control command to complete the control of the low-power notch filter network, the excitation signal generation module, the radiation unit, the high-power filter network and the like;
the excitation signal generating module generates a required radio frequency signal, and the required radio frequency signal is sent into the low-power notch filter network through a radio frequency cable;
the low-power notch filter network receives a control command sent by the main control module, completes the processes of notch, filtering and the like on the low-power radio frequency signal, outputs a required radio frequency signal and sends the required radio frequency signal to an input port of the radiation unit;
the radiation unit receives the control command sent by the main control module, selects a corresponding channel, amplifies the low-power radio frequency signal through power, outputs a high-power radio frequency signal, and sends the high-power radio frequency signal into the high-power filter network through a high-power radio frequency cable;
and the high-power filter network is used for receiving the control command sent by the main control module, selecting a corresponding channel, filtering high-power signals such as harmonic waves, clutters and the like outside the frequency band, and sending the signals to the transmitting antenna through the high-power radio frequency cable.
And the transmitting antenna is used for carrying out external radiation on the high-power radio frequency signals processed by the system.
Example 1: an apparatus for improving the spectral quality of a high power output signal of a broadband electronic device, comprising: the device comprises a transmitting antenna, a high-power filter network, a radiating unit, a low-power notch filter network, an excitation signal generation module and a main control module; the main control module is respectively connected with the low-power notch filter network, the excitation signal generation module, the radiation unit and the high-power filter network; the excitation signal generation module is connected with a low-power notch filter network; the radiation unit is connected with the low-power notch filter network and the high-power filter network respectively; the transmitting antenna is connected with a high-power filter network; under the control of the main control module, harmonic wave and clutter signals of low-power radio frequency signals in a used frequency band are filtered, a low-power notch filter network is utilized to notch out point-frequency or narrow-band radio frequency signals which need to be forbidden to be output, and only the processed high-power radio frequency signals are output.
Example 2: on the basis of embodiment 1, the transmitting antenna is used for realizing external radiation of high-power radio frequency signals.
Example 3: on the basis of embodiment 1, the high-power filter network comprises a high-power microwave switch, a filter channel and a through channel; after receiving a control command responding to the main control module, the high-power filter network utilizes the high-power microwave switch and the filter channel to realize filtering of harmonic wave and clutter signals of high-power output signals outside the frequency band, and only uses radio frequency signals in the frequency band; and the direct channel is utilized to realize that the channel output signal is not subjected to filtering treatment.
Example 4: on the basis of embodiment 1, the low-power notch filter network includes a filter channel, a notch channel and a pass-through channel; the low-power notch filter network receives a control command in response to the main control module, completes the functions of channel filtering, channel notch and channel direct connection, realizes the filtering of harmonic wave and clutter signals of low-power radio frequency signals in a frequency band, utilizes the channel notch to notch out point frequency signals or narrow-band signals which do not need to be output, and utilizes the direct connection channel to realize the non-filtering treatment of the low-power radio frequency signals.
Example 5: on the basis of embodiment 1, the excitation signal generation module is configured to generate a low-power radio frequency excitation signal according to an operation strategy of the main control module.
Example 6: on the basis of embodiment 1, the radiating unit is configured to receive the radio frequency signal processed by the low-power notch filter network, and output a high-power radio frequency signal after amplifying the low-power small signal by power.
Example 7: on the basis of the embodiment 1, the radiation unit comprises a high-power radio frequency cable, and the radiation unit is connected with the high-power filter network through the high-power radio frequency cable; the high-power filter network is connected with the transmitting antenna through a high-power radio frequency cable; the high-power radio-frequency cable refers to a radio-frequency cable capable of bearing corresponding power values and is used for realizing the transmission function of high-power radio-frequency signals.
Example 8: on the basis of embodiment 1, the main control module is used for realizing a control function of the internal centralized control capability of the broadband electronic equipment.
Example 9: based on embodiment 3 or embodiment 4, the high-power filter network includes a plurality of first filters, a first microwave switch and a first controller, and the first controller is used to control and select a frequency band of a radio frequency signal capable of passing through; the low-power notch filter network comprises a plurality of second filters, a second microwave switch and a second controller, and the second controller is used for controlling and selecting the frequency band of the radio frequency signals capable of passing through.
Example 10: a method of improving the spectral quality of a high power output signal of a broadband electronic device based on the apparatus of any one of embodiments 1 to 9, comprising the steps of:
s1, when electronic equipment works, a main control module determines a working strategy according to use requirements, and sends a control command to complete control of a low-power notch filter network, an excitation signal generation module, a radiation unit and a high-power filter network;
s2, the excitation signal generation module generates a required radio frequency signal, and the required radio frequency signal is sent into a low-power notch filter network through a radio frequency cable;
s3, the low-power notch filter network receives a control command sent by the main control module, performs notch and filter processing on the low-power radio frequency signal, outputs a required radio frequency signal and sends the required radio frequency signal to an input port of the radiation unit;
s4, the radiation unit receives a control command sent by the main control module, selects a corresponding channel, amplifies the low-power radio frequency signal through power, outputs a high-power radio frequency signal, and sends the high-power radio frequency signal into the high-power filter network through a high-power radio frequency cable;
s5, the high-power filter network receives the control command sent by the main control module, selects a corresponding channel, filters out harmonic and clutter high-power signals outside the frequency band, and sends the signals to the transmitting antenna through the high-power radio frequency cable;
s6, the transmitting antenna radiates the processed high-power radio frequency signals outwards.
The units involved in the embodiments of the present application may be implemented by software, or may be implemented by hardware, and the described units may also be provided in a processor. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.
According to one aspect of the present application, there is provided a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The computer instructions are read from the computer-readable storage medium by a processor of a computer device, and executed by the processor, cause the computer device to perform the methods provided in the various alternative implementations described above.
As another aspect, the present application also provides a computer-readable medium that may be contained in the electronic device described in the above embodiment; or may exist alone without being incorporated into the electronic device. The computer-readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to implement the methods described in the above embodiments.
The application is not related in part to the same as or can be practiced with the prior art.
The foregoing technical solution is only one embodiment of the present application, and various modifications and variations can be easily made by those skilled in the art based on the application methods and principles disclosed in the present application, not limited to the methods described in the foregoing specific embodiments of the present application, so that the foregoing description is only preferred and not in a limiting sense.
In addition to the foregoing examples, those skilled in the art will recognize from the foregoing disclosure that other embodiments can be made and in which various features of the embodiments can be interchanged or substituted, and that such modifications and changes can be made without departing from the spirit and scope of the application as defined in the appended claims.
Claims (6)
1. An apparatus for improving the spectral quality of a high power output signal of a broadband electronic device, comprising: the device comprises a transmitting antenna, a high-power filter network, a radiating unit, a low-power notch filter network, an excitation signal generation module and a main control module; the main control module is respectively connected with the low-power notch filter network, the excitation signal generation module, the radiation unit and the high-power filter network; the excitation signal generation module is connected with a low-power notch filter network; the radiation unit is connected with the low-power notch filter network and the high-power filter network respectively; the transmitting antenna is connected with a high-power filter network;
under the control of a main control module, the high-power filter network is utilized to filter harmonic wave and clutter signals of low-power radio frequency signals in a used frequency band, the low-power notch filter network is utilized to notch out frequency points or narrow-band radio frequency signals which need to be forbidden to be output, and only the processed high-power radio frequency signals are output; the high-power filter network specifically comprises a high-power microwave switch, a filter channel and a straight-through channel; the high-power filter network utilizes the high-power microwave switch and the filter channel to realize the filtering of harmonic wave and clutter signals of high-power output signals outside the frequency band, and only uses radio frequency signals in the frequency band; the direct channel is utilized to realize that the output signal of the channel is not subjected to filtering treatment;
the low-power notch filter network specifically comprises a filter channel, a notch channel and a through channel; the low-power notch filter network utilizes a filter channel to realize filtering harmonic wave and clutter signals of low-power radio frequency signals in a frequency band to be used, utilizes a notch channel to notch out point frequency signals or narrow-band signals which do not need to be output, and utilizes a straight-through channel to realize that the low-power radio frequency signals are not subjected to filter processing;
the excitation signal generation module is specifically used for generating a low-power radio frequency excitation signal according to the working strategy of the main control module.
2. The apparatus for improving the spectral quality of high-power output signals of a broadband electronic device according to claim 1, wherein said transmitting antenna is configured to radiate high-power radio frequency signals to the outside.
3. The apparatus for improving the spectral quality of a high-power output signal of a broadband electronic device according to claim 1, wherein the radiating unit is configured to receive a radio frequency signal processed by a low-power notch filter network, and output a high-power radio frequency signal after amplifying the low-power signal by power.
4. The apparatus for improving the spectral quality of a high-power output signal of a broadband electronic device according to claim 1, comprising a high-power radio-frequency cable, wherein the radiating element is connected to the high-power filter network by the high-power radio-frequency cable; the high-power filter network is connected with the transmitting antenna through a high-power radio frequency cable; the high-power radio-frequency cable refers to a radio-frequency cable capable of bearing corresponding power values and is used for realizing the transmission function of high-power radio-frequency signals.
5. The apparatus for improving spectral quality of high-power output signals of a broadband electronic device according to claim 1, wherein the main control module is configured to implement centralized control within the broadband electronic device.
6. A method based on the device for improving the spectrum quality of the high-power output signal of the broadband electronic equipment according to any one of claims 1 to 5, comprising the steps of:
s1, when electronic equipment works, a main control module determines a working strategy according to use requirements, and sends a control command to complete control of a low-power notch filter network, an excitation signal generation module, a radiation unit and a high-power filter network;
s2, the excitation signal generation module generates a required radio frequency signal, and the required radio frequency signal is sent into a low-power notch filter network through a radio frequency cable;
s3, the low-power notch filter network receives a control command sent by the main control module, performs notch and filter processing on the low-power radio frequency signal, outputs a required radio frequency signal and sends the required radio frequency signal to an input port of the radiation unit;
s4, the radiation unit receives a control command sent by the main control module, selects a corresponding channel, amplifies the low-power radio frequency signal through power, outputs a high-power radio frequency signal, and sends the high-power radio frequency signal into the high-power filter network through a high-power radio frequency cable;
s5, the high-power filter network receives the control command sent by the main control module, selects a corresponding channel, filters out harmonic and clutter high-power signals outside the frequency band, and sends the signals to the transmitting antenna through the high-power radio frequency cable;
s6, the transmitting antenna radiates the processed high-power radio frequency signals outwards.
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