CN116131966A - ku band simulator output amplitude control method - Google Patents

ku band simulator output amplitude control method Download PDF

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Publication number
CN116131966A
CN116131966A CN202211687439.7A CN202211687439A CN116131966A CN 116131966 A CN116131966 A CN 116131966A CN 202211687439 A CN202211687439 A CN 202211687439A CN 116131966 A CN116131966 A CN 116131966A
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China
Prior art keywords
band
signals
signal source
local oscillation
signal
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CN202211687439.7A
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Chinese (zh)
Inventor
朱骏
韩明波
高成
李挺
王杰
孙玉光
高伟
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Huaqing Ruida Tianjin Technology Co ltd
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Huaqing Ruida Tianjin Technology Co ltd
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/50—Amplitude modulation by converting angle modulation to amplitude modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • 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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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

The invention discloses a ku band simulator output amplitude control method, which comprises the following steps: the simulator generates an X-band microwave signal source, an S-band microwave signal source and an intermediate frequency signal source, and takes a plurality of signal sources as primary signal layers; the primary signal layer generates two paths of shunt signals, wherein one path of shunt signals is connected to the ku wave band integration layer through a control switch circuit; the on-off of the shunt signals of the plurality of primary signal layers is controlled through the control switch circuit, so that the shunt signals received by the ku wave band integration layer are controlled, and different shunt signals are integrated through the ku wave band microwave information integration layer, so that the amplitude control of the transmitted ku wave band is achieved. The ku wave band integration layer mixes and amplifies and filters intermediate frequency homologous signals generated by the intermediate frequency signal source, vibration signals generated by the S wave band microwave signal source and local oscillation signals generated by the X wave band microwave signal source according to the communicated quantity of the control switches, then outputs ku wave band microwave signals, and controls the amplitude through the mixing of different signals.

Description

ku band simulator output amplitude control method
Technical Field
The invention relates to the technical field of radio frequency, in particular to a ku band simulator output amplitude control method.
Background
In the array antenna signal receiving system and the signal collecting process, when the frequency of the received signal is very high, such as Ku band, the insertion loss, gain control, channel consistency, power consumption management and the like of the whole receiving channel are very important, and the number of channels of the current Ku band radio frequency multichannel switching receiving device is generally multiple and directly communicated, so that the control on multichannel signals and the Ku band simulator output amplitude control method are lacked, and the inventor proposes the Ku band simulator output amplitude control method for solving the problems.
Disclosure of Invention
In order to solve the problems that the current Ku band radio frequency multichannel switching receiving device is generally multiple in channel number and is directly communicated, and a multichannel signal control method and a Ku band simulator output amplitude control method are lacked; the invention aims to provide a ku band simulator output amplitude control method.
In order to solve the technical problems, the invention adopts the following technical scheme: the ku band simulator output amplitude control method comprises the following steps:
s1, an simulator generates an X-band microwave signal source, an S-band microwave signal source and an intermediate frequency signal source, and a plurality of signal sources are used as primary signal layers;
s2, the primary signal layers all generate two paths of shunt signals, wherein one path of shunt signals are connected to the ku wave band integration layer through a control switch circuit;
s3, controlling the on-off of the shunt signals of the plurality of primary signal layers through a control switch circuit, thereby controlling the shunt signals received by the ku wave band integration layer, integrating different shunt signals through the ku wave band microwave information integration layer, and achieving the amplitude control of the transmitted ku wave band.
In a preferred embodiment, the X-band microwave signal source, the S-band microwave signal source and the intermediate frequency signal source all generate local oscillation signals by using frequencies provided by the constant-temperature crystal oscillator as reference clocks.
In a preferred embodiment, in step S2, the signal of the X-band microwave signal source is provided by an external microwave signal source, two local oscillation signals are generated according to the frequency provided by the constant temperature crystal oscillator as a reference clock, the local oscillation signals are output after amplified and filtered, one local oscillation signal is directly output, and the other local oscillation signal is connected with the ku-band integration layer through a control switch.
In a preferred embodiment, the S-band microwave signal source generates two local oscillation signals by using a PLL mode according to the frequency provided by the constant temperature crystal oscillator as a reference clock, and outputs the local oscillation signals after amplification and filtering, one local oscillation signal is directly output, and the other local oscillation signal is connected with the ku-band integration layer through a control switch.
In a preferred implementation case, the intermediate frequency signal source generates two paths of signals by adopting a DDS mode according to the frequency provided by the constant temperature crystal oscillator as a reference clock, and one path of signals is the intermediate frequency signal which is directly output after amplified and filtered; the other path is the intermediate frequency homologous signal which is output through amplification and filtering and is connected with the ku wave band integration layer through a control switch.
In a preferred implementation case, each path of signal input by the control switch is correspondingly connected with each antenna array element of the antenna array of the ku-band integration layer respectively, and the on-off of the path of output is controlled.
In a preferred embodiment, the ku-band integrating layer mixes and amplifies the intermediate frequency homologous signal generated by the intermediate frequency signal source, the vibration signal generated by the S-band microwave signal source and the local oscillation signal generated by the X-band microwave signal source according to the number of the control switches, outputs ku-band microwave signals, and controls the amplitude through the mixing of different signals.
In a preferred embodiment, the ku band integrating layer outputs ku band signals, then carries out back-end signal processing, corrects the phase difference and amplitude of the signals received by each channel to be consistent, and then carries out imaging processing.
Compared with the prior art, the invention has the beneficial effects that:
the signal of the X-band microwave signal source is provided by an external microwave signal source, two paths of local oscillation signals are generated according to the frequency provided by the constant temperature crystal oscillator as a reference clock, the local oscillation signals are output after amplified and filtered, one path of local oscillation signals are directly output, the other path of local oscillation signals are connected with a ku-band integration layer through a control switch, the S-band microwave signal source generates two paths of local oscillation signals in a PLL mode according to the frequency provided by the constant temperature crystal oscillator as the reference clock, the local oscillation signals are output after amplified and filtered, one path of local oscillation signals are directly output, the other path of local oscillation signals are connected with the ku-band integration layer through the control switch, the intermediate frequency signal source generates two paths of signals in a DDS mode according to the frequency provided by the constant temperature crystal oscillator, and one path of local oscillation signals are directly output after amplified and filtered; the other path is the intermediate frequency homologous signal which is output through amplifying and filtering, the ku wave band integrating layer is connected with the ku wave band integrating layer through the control switch, the ku wave band integrating layer mixes the intermediate frequency homologous signal generated by the intermediate frequency signal source, the vibration signal generated by the S wave band microwave signal source and the local oscillation signal generated by the X wave band microwave signal source according to the quantity communicated by the control switch, and outputs the ku wave band microwave signal after amplifying and filtering, and the amplitude control is accurate and convenient through the mixing control amplitude of different signals.
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In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the method of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1, the present invention provides a ku band simulator output amplitude control method, comprising the steps of:
s1, an simulator generates an X-band microwave signal source, an S-band microwave signal source and an intermediate frequency signal source, and a plurality of signal sources are used as primary signal layers;
s2, the primary signal layers all generate two paths of shunt signals, wherein one path of shunt signals are connected to the ku wave band integration layer through a control switch circuit;
s3, controlling the on-off of the shunt signals of the plurality of primary signal layers through a control switch circuit, thereby controlling the shunt signals received by the ku wave band integration layer, integrating different shunt signals through the ku wave band microwave information integration layer, and achieving the amplitude control of the transmitted ku wave band.
Furthermore, the X-band microwave signal source, the S-band microwave signal source and the intermediate frequency signal source all generate local oscillation signals by taking the frequency provided by the constant-temperature crystal oscillator as a reference clock.
In step S2, the signals of the X-band microwave signal source are provided by an external microwave signal source, two local oscillation signals are generated according to the frequency provided by the constant-temperature crystal oscillator as a reference clock, the local oscillation signals are output after amplified and filtered, one local oscillation signal is directly output, and the other local oscillation signal is connected with the ku-band integration layer through a control switch.
Furthermore, the S-band microwave signal source generates two paths of local oscillation signals by using a PLL mode according to the frequency provided by the constant-temperature crystal oscillator as a reference clock, the local oscillation signals are output after amplified and filtered, one path of local oscillation signals are directly output, and the other path of local oscillation signals are connected with the ku-band integration layer through a control switch.
Furthermore, the intermediate frequency signal source generates two paths of signals by adopting a DDS mode according to the frequency provided by the constant temperature crystal oscillator as a reference clock, and one path of signals is the intermediate frequency signal which is directly output after amplified and filtered; the other path is the intermediate frequency homologous signal which is output through amplification and filtering and is connected with the ku wave band integration layer through a control switch.
Further, each path of signal input by the control switch is correspondingly connected with each antenna array element of the antenna array of the ku-band integration layer respectively, and the on-off of the path of output is controlled.
Further, the ku wave band integration layer mixes and amplifies and filters intermediate frequency homologous signals generated by an intermediate frequency signal source, vibration signals generated by an S wave band microwave signal source and local oscillation signals generated by an X wave band microwave signal source according to the communicated quantity of the control switches, and outputs ku wave band microwave signals, and the amplitude is controlled through the mixing of different signals.
Further, the ku band integrating layer outputs ku band signals, then carries out back-end signal processing, corrects the phase difference and the amplitude of the signals received by each channel to be consistent, and then carries out imaging processing.
Working principle: the simulator generates an X-band microwave signal source, an S-band microwave signal source and an intermediate frequency signal source, a plurality of signal sources are used as primary signal layers, signals of the X-band microwave signal source are provided by an external microwave signal source, two paths of local oscillation signals are generated according to the frequency provided by a constant-temperature crystal oscillator as a reference clock, the local oscillation signals are amplified and filtered and then output, one path of local oscillation signals are directly output, the other path of local oscillation signals are connected with a ku-band integration layer through a control switch, the S-band microwave signal source generates two paths of local oscillation signals in a PLL mode according to the frequency provided by the constant-temperature crystal oscillator, the local oscillation signals are amplified and filtered and then output, one path of local oscillation signals are directly output, the other path of local oscillation signals are connected with the ku-band integration layer through a control switch, the intermediate frequency signal source generates two paths of local oscillation signals in a DDS mode according to the frequency provided by the constant-temperature crystal oscillator, and one path of local oscillation signals is directly output after being amplified and filtered; the other path is an intermediate frequency homologous signal which is output through amplification and filtering, the ku wave band integration layer is connected with the ku wave band integration layer through a control switch, the ku wave band integration layer mixes and amplifies the intermediate frequency homologous signal generated by an intermediate frequency signal source, the vibration signal generated by an S wave band microwave signal source and the local oscillation signal generated by an X wave band microwave signal source according to the communicated quantity of the control switches, and then ku wave band microwave signals are output, and the mixing control amplitude of different signals is realized.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (8)

  1. The ku band simulator output amplitude control method is characterized by comprising the following steps:
    s1, an simulator generates an X-band microwave signal source, an S-band microwave signal source and an intermediate frequency signal source, and a plurality of signal sources are used as primary signal layers;
    s2, the primary signal layers all generate two paths of shunt signals, wherein one path of shunt signals are connected to the ku wave band integration layer through a control switch circuit;
    s3, controlling the on-off of the shunt signals of the plurality of primary signal layers through a control switch circuit, thereby controlling the shunt signals received by the ku wave band integration layer, integrating different shunt signals through the ku wave band microwave information integration layer, and achieving the amplitude control of the transmitted ku wave band.
  2. 2. The ku-band simulator output amplitude control method of claim 1, wherein the X-band microwave signal source, the S-band microwave signal source and the intermediate frequency signal source all generate local oscillation signals by using frequencies provided by a constant temperature crystal oscillator as reference clocks.
  3. 3. The ku-band simulator output amplitude control method of claim 2, wherein: in step S2, the signal of the X-band microwave signal source is provided by an external microwave signal source, two local oscillation signals are generated according to the frequency provided by the constant temperature crystal oscillator as a reference clock, the local oscillation signals are output after amplified and filtered, one local oscillation signal is directly output, and the other local oscillation signal is connected with the ku-band integration layer through a control switch.
  4. 4. The ku-band simulator output amplitude control method of claim 2, wherein the S-band microwave signal source generates two local oscillation signals in a PLL mode according to the frequency provided by the constant temperature crystal oscillator as a reference clock, the local oscillation signals are amplified and filtered and output, one local oscillation signal is directly output, and the other local oscillation signal is connected with the ku-band integration layer through a control switch.
  5. 5. The ku band simulator output amplitude control method of claim 1, wherein the intermediate frequency signal source generates two paths of signals by adopting a DDS mode according to the frequency provided by the constant temperature crystal oscillator as a reference clock, and one path of signals is the intermediate frequency signal which is amplified and filtered and then is directly output; the other path is the intermediate frequency homologous signal which is output through amplification and filtering and is connected with the ku wave band integration layer through a control switch.
  6. 6. The ku-band simulator output amplitude control method of claim 1, wherein each path of signal input by the control switch is respectively connected with each antenna array element of the antenna array of the ku-band integration layer correspondingly, and controls on-off of the path of output.
  7. 7. The ku-band simulator output amplitude control method of claim 1, wherein the ku-band integrating layer mixes and amplifies the intermediate frequency homologous signal generated by the intermediate frequency signal source, the vibration signal generated by the S-band microwave signal source and the local oscillation signal generated by the X-band microwave signal source according to the number of the control switches connected, outputs the ku-band microwave signal, and controls the amplitude through the mixing of different signals.
  8. 8. The ku-band simulator output amplitude control method of claim 7, wherein the ku-band integrating layer outputs ku-band signals, performs back-end signal processing, corrects the phase difference and amplitude of the received signals of each channel to be uniform, and then performs imaging processing.
CN202211687439.7A 2022-12-27 2022-12-27 ku band simulator output amplitude control method Pending CN116131966A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211687439.7A CN116131966A (en) 2022-12-27 2022-12-27 ku band simulator output amplitude control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211687439.7A CN116131966A (en) 2022-12-27 2022-12-27 ku band simulator output amplitude control method

Publications (1)

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CN116131966A true CN116131966A (en) 2023-05-16

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CN202211687439.7A Pending CN116131966A (en) 2022-12-27 2022-12-27 ku band simulator output amplitude control method

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