CN114726388B - Multimode reconfigurable microsatellite measurement and control communication device - Google Patents
Multimode reconfigurable microsatellite measurement and control communication device Download PDFInfo
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- CN114726388B CN114726388B CN202210280414.9A CN202210280414A CN114726388B CN 114726388 B CN114726388 B CN 114726388B CN 202210280414 A CN202210280414 A CN 202210280414A CN 114726388 B CN114726388 B CN 114726388B
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- 238000004891 communication Methods 0.000 title claims abstract description 37
- 238000005259 measurement Methods 0.000 title claims abstract description 37
- 108091092878 Microsatellite Proteins 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 230000003321 amplification Effects 0.000 claims description 20
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 6
- 238000001228 spectrum Methods 0.000 abstract description 4
- 230000010365 information processing Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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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
- H04B1/06—Receivers
- H04B1/16—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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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 a multimode reconfigurable microsatellite measurement and control communication device which comprises a signal amplifying circuit for receiving radio frequency emission signals from the outside and amplifying the signals step by step, and a branching module for respectively receiving the amplified single radio frequency emission signals and dividing the amplified single radio frequency emission signals into two paths for output. And the signal processing and distributing module is controlled by the control storage module and is used for receiving the amplified radio frequency transmission signals to carry out demodulation processing and gating transmission. And the control storage module is used for calling the bit stream corresponding to the measurement and control communication mode to adjust the signal processing distribution module. The invention can support the measurement and control communication and information processing functions of different modes, also supports the single-board double-machine hot backup function of the same mode, and has the advantages of generalization, small volume and low power consumption. Can effectively inhibit the frequency spectrum clutter and meet the requirement of frequency spectrum purity. The bit stream with different function modes in different initial addresses can be loaded; the ground uplink data can also be written into the memory chip by means of on-track injection.
Description
Technical Field
The invention belongs to the field of microsatellite measurement and control communication, and particularly relates to a multimode reconfigurable microsatellite measurement and control communication device.
Background
Microsatellites are a new generation of satellites with clear uses. The method is characterized in that: the new technology has high content, short development period (about one year) and low development cost (tens of millions of RMB magnitude), and can be further networked to form a virtual large satellite by a distributed constellation. Microsatellites have many advantages over the past large satellites. The microsatellite has light weight, small volume and low production cost, and is suitable for mass production; the rocket can be launched by a small rocket or used as an auxiliary load of a large rocket, and the launching cost is low; can be launched from fighter plane or even balloon, or launched by ground (water) plane cannon, and can meet the requirement of quick response.
As the demand for microsatellites has increasingly evolved towards miniaturization, functional integration and in-orbit reconfigurability, the need for multi-mode, reconfigurable applications has evolved into new functional requirements.
Disclosure of Invention
The technical aim of the invention is to provide a multimode reconfigurable microsatellite measurement and control communication device so as to solve the technical problems of space size limitation, frequency spurious, software reconfiguration and the like.
In order to solve the problems, the technical scheme of the invention is as follows:
A multimode reconfigurable microsatellite measurement and control communication device comprising: the system comprises a signal amplifying circuit, a branching module, a signal processing and distributing module and a control storage module which are arranged in a double-way manner;
The signal amplifying circuit is in signal connection with the branching module and is used for receiving the radio frequency transmitting signal from the outside, amplifying the radio frequency transmitting signal step by step and inputting the radio frequency transmitting signal to the branching module;
the branching module is in signal connection with the signal processing and distributing module and is used for respectively receiving the amplified single-path radio frequency emission signals and dividing the amplified single-path radio frequency emission signals into two paths to be input to the signal processing and distributing module;
the signal processing and distributing module is controlled by the control storage module and is used for receiving the amplified radio frequency transmission signals to carry out demodulation processing and gating transmission;
the control storage module is in signal connection with the signal processing distribution module and is used for calling bit streams of corresponding measurement and control communication modes so as to adjust the signal processing distribution module.
Specifically, the signal amplification circuit includes a signal amplification first circuit and a signal amplification second circuit;
The signal amplification first circuit comprises a first-stage low-noise amplifier, a first-stage low-noise amplifier and a first-stage low-noise amplifier which are sequentially connected with each other in a signal mode, and a radio frequency emission signal is amplified step by step sequentially through the first-stage low-noise amplifier, the first-stage low-noise amplifier and the first-stage low-noise amplifier;
The signal amplification second circuit comprises a second-stage low-noise amplifier, a second-stage low-noise amplifier and a second-stage low-noise amplifier which are sequentially connected through signals, and the other path of radio frequency emission signal is amplified step by step sequentially through the second-stage low-noise amplifier, the second-stage low-noise amplifier and the second-stage low-noise amplifier.
Specifically, the branching module includes a first branching unit and a second branching unit;
the first branching unit is used for receiving the amplified single-path radio frequency emission signal from the signal amplifying first circuit, dividing the amplified single-path radio frequency emission signal into two paths and respectively inputting the two paths to the signal processing and distributing module;
the second circuit splitter is used for receiving the amplified single-path radio frequency emission signal from the signal amplification second circuit and dividing the amplified single-path radio frequency emission signal into two paths to be respectively input to the signal processing and distributing module.
Specifically, the signal processing distribution module comprises a first high-speed AD chip, a second high-speed AD chip, a first radio frequency switch and a second radio frequency switch;
The first high-speed AD chip comprises a first mode A input channel end, a first mode A output channel end, a second mode A input channel end and a second mode A output channel end;
The second high-speed AD chip comprises a first mode B input channel end, a first mode B output channel end, a second mode B input channel end and a second mode B output channel end;
One output end of the first splitter is in signal connection with the first mode A input channel end, the other output end of the first splitter is in signal connection with the first mode B input channel end,
One output end of the second splitter is in signal connection with the input channel end of the second mode A, and the other output end of the second splitter is in signal connection with the input channel end of the second mode B;
one input end of the first radio frequency switch is connected with the output channel end of the first mode A in a signal way,
The other input end of the first radio frequency switch is connected with the output channel end of the first mode B in a signal way,
One input end of the second radio frequency switch is connected with the output channel end of the second mode A in a signal way,
The other input end of the second radio frequency switch is in signal connection with the output channel end of the second mode B;
the first high-speed AD chip and the second high-speed AD chip are used for receiving the amplified radio frequency emission signals and demodulating the radio frequency emission signals;
the first radio frequency switch and the second radio frequency switch are used for selectively transmitting the radio frequency transmission signals after demodulation processing.
Further preferably, a filter circuit is further installed between the first high-speed AD chip and the first radio frequency switch, and between the second high-speed AD chip and the second radio frequency switch, for filtering out the transmission clutter.
The first high-speed AD chip and the second high-speed AD chip are arranged on the PCB, and a power line of the PCB bypasses the position right below the first high-speed AD chip and the second high-speed AD chip.
The on-board wiring is adopted to electrically connect the first mode A output channel end, the first mode B output channel end, the second mode A output channel end and the second mode B output channel end with corresponding radio frequency switches.
Specifically, the control memory module comprises a first baseband processing chip, a second baseband processing chip, a first memory chip, a second memory chip, a third memory chip and a fourth memory chip;
the first baseband processing chip is respectively connected with the first memory chip, the second memory chip and the first high-speed AD chip in a signal way, and is used for outputting control signals matched with externally input chip selection signals to acquire bit streams of measurement and control communication modes stored in the first memory chip or the second memory chip and adjusting the first high-speed AD chip according to the bit streams of the measurement and control communication modes;
the second baseband processing chip is respectively connected with the third memory chip, the fourth memory chip and the second high-speed AD chip in a signal way, and is used for outputting control signals matched with externally input chip selection signals to acquire bit streams of measurement and control communication modes stored in the third memory chip or the fourth memory chip and adjusting the second high-speed AD chip according to the bit streams of the measurement and control communication modes.
The first memory chip, the second memory chip, the third memory chip and the fourth memory chip are all divided into four areas according to addresses, and the loading address is determined by control signals output by the first baseband processing chip or the second baseband processing chip to extract bit streams of the measurement and control communication mode.
By adopting the technical scheme, the invention has the following advantages and positive effects compared with the prior art:
The invention can support the measurement and control communication and information processing functions of different modes, also supports the single-board double-machine hot backup function of the same mode, and has the advantages of generalization, small volume and low power consumption. Can effectively inhibit the frequency spectrum clutter and meet the requirement of frequency spectrum purity. And a plurality of software reconstruction modes are supported. The bit stream with different functional modes pre-stored in different initial addresses of the memory chip can be loaded; the ground uplink data can also be written into the memory chip by means of on-track injection.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
FIG. 1 is a block diagram of a multimode reconfigurable microsatellite measurement and control communication device.
Description of the reference numerals
1: First-level low-noise amplification; 2: a second-level low-noise amplifier; 3: three-stage low-noise amplification; 4: a splitter; 5: a radio frequency switch; 6: a high-speed AD chip; 7: a baseband processing chip; 8: and a memory chip.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For the sake of simplicity of the drawing, the parts relevant to the present invention are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
The following describes in further detail a multimode reconfigurable microsatellite measurement and control communication device according to the present invention with reference to the accompanying drawings and specific embodiments. Advantages and features of the invention will become more apparent from the following description and from the claims.
Examples
A multimode reconfigurable microsatellite measurement and control communication device comprising: the system comprises a signal amplifying circuit, a branching module, a signal processing and distributing module and a control storage module which are arranged in a double-way manner;
The signal amplifying circuit is in signal connection with the branching module and is used for receiving the radio frequency transmitting signal from the outside, amplifying the radio frequency transmitting signal step by step and inputting the radio frequency transmitting signal to the branching module;
the branching module is in signal connection with the signal processing and distributing module and is used for respectively receiving the amplified single-path radio frequency emission signals and dividing the amplified single-path radio frequency emission signals into two paths to be input to the signal processing and distributing module;
the signal processing and distributing module is controlled by the control storage module and is used for receiving the amplified radio frequency transmission signals to carry out demodulation processing and gating transmission;
the control storage module is in signal connection with the signal processing distribution module and is used for calling bit streams of corresponding measurement and control communication modes so as to adjust the signal processing distribution module.
Specifically, the signal amplification circuit includes a signal amplification first circuit and a signal amplification second circuit;
The signal amplification first circuit comprises a first-stage low-noise amplifier, a first-stage low-noise amplifier and a first-stage low-noise amplifier which are sequentially connected with each other in a signal mode, and a radio frequency emission signal is amplified step by step sequentially through the first-stage low-noise amplifier, the first-stage low-noise amplifier and the first-stage low-noise amplifier;
The signal amplification second circuit comprises a second-stage low-noise amplifier, a second-stage low-noise amplifier and a second-stage low-noise amplifier which are sequentially connected through signals, and the other path of radio frequency emission signal is amplified step by step sequentially through the second-stage low-noise amplifier, the second-stage low-noise amplifier and the second-stage low-noise amplifier.
Specifically, the branching module includes a first branching unit and a second branching unit;
the first branching unit is used for receiving the amplified single-path radio frequency emission signal from the signal amplifying first circuit, dividing the amplified single-path radio frequency emission signal into two paths and respectively inputting the two paths to the signal processing and distributing module;
the second circuit splitter is used for receiving the amplified single-path radio frequency emission signal from the signal amplification second circuit and dividing the amplified single-path radio frequency emission signal into two paths to be respectively input to the signal processing and distributing module.
Specifically, the signal processing distribution module comprises a first high-speed AD chip, a second high-speed AD chip, a first radio frequency switch and a second radio frequency switch;
The first high-speed AD chip comprises a first mode A input channel end, a first mode A output channel end, a second mode A input channel end and a second mode A output channel end;
The second high-speed AD chip comprises a first mode B input channel end, a first mode B output channel end, a second mode B input channel end and a second mode B output channel end;
One output end of the first splitter is in signal connection with the first mode A input channel end, the other output end of the first splitter is in signal connection with the first mode B input channel end,
One output end of the second splitter is in signal connection with the input channel end of the second mode A, and the other output end of the second splitter is in signal connection with the input channel end of the second mode B;
one input end of the first radio frequency switch is connected with the output channel end of the first mode A in a signal way,
The other input end of the first radio frequency switch is connected with the output channel end of the first mode B in a signal way,
One input end of the second radio frequency switch is connected with the output channel end of the second mode A in a signal way,
The other input end of the second radio frequency switch is in signal connection with the output channel end of the second mode B;
the first high-speed AD chip and the second high-speed AD chip are used for receiving the amplified radio frequency emission signals and demodulating the radio frequency emission signals;
the first radio frequency switch and the second radio frequency switch are used for selectively transmitting the radio frequency transmission signals after demodulation processing.
Further preferably, a filter circuit is further installed between the first high-speed AD chip and the first radio frequency switch, and between the second high-speed AD chip and the second radio frequency switch, for filtering out the transmission clutter.
The first high-speed AD chip and the second high-speed AD chip are arranged on the PCB, and a power line of the PCB bypasses the position right below the first high-speed AD chip and the second high-speed AD chip.
The on-board wiring is adopted to electrically connect the first mode A output channel end, the first mode B output channel end, the second mode A output channel end and the second mode B output channel end with corresponding radio frequency switches.
Specifically, the control memory module comprises a first baseband processing chip, a second baseband processing chip, a first memory chip, a second memory chip, a third memory chip and a fourth memory chip;
the first baseband processing chip is respectively connected with the first memory chip, the second memory chip and the first high-speed AD chip in a signal way, and is used for outputting control signals matched with externally input chip selection signals to acquire bit streams of measurement and control communication modes stored in the first memory chip or the second memory chip and adjusting the first high-speed AD chip according to the bit streams of the measurement and control communication modes;
the second baseband processing chip is respectively connected with the third memory chip, the fourth memory chip and the second high-speed AD chip in a signal way, and is used for outputting control signals matched with externally input chip selection signals to acquire bit streams of measurement and control communication modes stored in the third memory chip or the fourth memory chip and adjusting the second high-speed AD chip according to the bit streams of the measurement and control communication modes.
The first memory chip, the second memory chip, the third memory chip and the fourth memory chip are all divided into four areas according to addresses, and the loading address is determined by control signals output by the first baseband processing chip or the second baseband processing chip to extract bit streams of the measurement and control communication mode.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is within the scope of the appended claims and their equivalents to fall within the scope of the invention.
Claims (6)
1. A multimode reconfigurable microsatellite measurement and control communication device, comprising: the system comprises a signal amplifying circuit, a branching module, a signal processing and distributing module and a control storage module which are arranged in a double-way manner;
The signal amplifying circuit is in signal connection with the branching module and is used for receiving radio frequency emission signals from the outside, amplifying the radio frequency emission signals step by step and inputting the radio frequency emission signals to the branching module;
The branching module is in signal connection with the signal processing and distributing module and is used for respectively receiving the amplified single-channel radio frequency emission signals and dividing the signals into two channels to be input to the signal processing and distributing module;
The signal processing and distributing module is controlled by the control storage module and is used for receiving the amplified radio frequency transmission signals, demodulating and gating the radio frequency transmission signals;
The control storage module is in signal connection with the signal processing and distributing module, and is used for calling bit streams of corresponding measurement and control communication modes to adjust the signal processing and distributing module;
The branching module comprises a first branching device and a second branching device;
The first branching unit is used for receiving the amplified single-path radio frequency emission signal from the signal amplifying first circuit, dividing the amplified single-path radio frequency emission signal into two paths and respectively inputting the two paths to the signal processing and distributing module;
the second circuit splitter is used for receiving the amplified single-path radio frequency emission signal from the signal amplification second circuit and dividing the amplified single-path radio frequency emission signal into two paths to be respectively input to the signal processing and distributing module;
the signal processing distribution module comprises a first high-speed AD chip, a second high-speed AD chip, a first radio frequency switch and a second radio frequency switch;
the first high-speed AD chip comprises a first mode A input channel end, a first mode A output channel end, a second mode A input channel end and a second mode A output channel end;
the second high-speed AD chip comprises a first mode B input channel end, a first mode B output channel end, a second mode B input channel end and a second mode B output channel end;
One output end of the first splitter is in signal connection with the first mode A input channel end, the other output end of the first splitter is in signal connection with the first mode B input channel end,
One output end of the second splitter is in signal connection with the input channel end of the second mode A, and the other output end of the second splitter is in signal connection with the input channel end of the second mode B;
an input end of the first radio frequency switch is in signal connection with an output channel end of the first mode A,
The other input end of the first radio frequency switch is in signal connection with the output channel end of the first mode B,
An input end of the second radio frequency switch is in signal connection with an output channel end of the second mode A,
The other input end of the second radio frequency switch is in signal connection with the output channel end of the second mode B;
The first high-speed AD chip and the second high-speed AD chip are used for receiving the amplified radio frequency emission signals and demodulating the radio frequency emission signals;
the first radio frequency switch and the second radio frequency switch are used for selectively transmitting the radio frequency transmission signals after demodulation processing;
The control memory module comprises a first baseband processing chip, a second baseband processing chip, a first memory chip, a second memory chip, a third memory chip and a fourth memory chip;
The first baseband processing chip is respectively connected with the first memory chip, the second memory chip and the first high-speed AD chip through signals, and is used for outputting control signals matched with externally input chip selection signals to acquire bit streams of measurement and control communication modes stored in the first memory chip or the second memory chip, and adjusting the first high-speed AD chip according to the bit streams of the measurement and control communication modes;
the second baseband processing chip is respectively connected with the third memory chip, the fourth memory chip and the second high-speed AD chip through signals, and is used for outputting control signals matched with externally input chip selection signals to obtain bit streams of measurement and control communication modes stored in the third memory chip or the fourth memory chip, and adjusting the second high-speed AD chip according to the bit streams of the measurement and control communication modes.
2. The multimode reconfigurable microsatellite measurement and control communication apparatus of claim 1 wherein said signal amplification circuit comprises a signal amplification first circuit and a signal amplification second circuit;
the signal amplification first circuit comprises a first-stage low-noise amplifier, a first second-stage low-noise amplifier and a first-stage low-noise amplifier which are sequentially connected with one another in a signal mode, and the radio frequency emission signal is amplified step by step sequentially through the first-stage low-noise amplifier, the first second-stage low-noise amplifier and the first-stage low-noise amplifier;
The signal amplification second circuit comprises a second-stage low-noise amplifier, a second-stage low-noise amplifier and a second-stage low-noise amplifier which are sequentially connected through signals, and the other path of radio frequency emission signal sequentially passes through the second-stage low-noise amplifier, the second-stage low-noise amplifier and is amplified step by step.
3. The multimode reconfigurable microsatellite measurement and control communication device according to claim 2, wherein a filter circuit is further installed between the first high-speed AD chip and the first radio frequency switch and between the second high-speed AD chip and the second radio frequency switch for filtering out the transmission clutter.
4. The multimode reconfigurable microsatellite measurement and control communication device of claim 2, wherein the first high-speed AD chip and the second high-speed AD chip are mounted on a PCB, and a power line of the PCB bypasses the first high-speed AD chip and the second high-speed AD chip directly below.
5. The multi-mode reconfigurable microsatellite measurement and control communication apparatus according to claim 4 wherein on-board cabling is used to electrically connect said first mode a output channel end, said first mode B output channel end, said second mode a output channel end and said second mode B output channel end with corresponding radio frequency switches.
6. The multi-mode reconfigurable microsatellite measurement and control communication apparatus according to claim 2, wherein the first memory chip, the second memory chip, the third memory chip and the fourth memory chip are each divided into four areas according to addresses, and the control signal outputted from the first baseband processing chip or the second baseband processing chip determines the loading address to extract the bit stream of the measurement and control communication mode.
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| CN113009516A (en) * | 2021-04-19 | 2021-06-22 | 北京工业大学 | Independent double-channel navigation enhanced satellite receiver |
| CN113009528A (en) * | 2021-02-07 | 2021-06-22 | 成都市精准时空科技有限公司 | Multi-frequency multi-mode satellite positioning communication device and hybrid positioning information control method |
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| KR102325640B1 (en) * | 2015-08-27 | 2021-11-16 | 에이피위성 주식회사 | Multi-mode communication apparatus |
| CN206117657U (en) * | 2016-10-08 | 2017-04-19 | 胡邓华 | End device before high frequency modem |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113009528A (en) * | 2021-02-07 | 2021-06-22 | 成都市精准时空科技有限公司 | Multi-frequency multi-mode satellite positioning communication device and hybrid positioning information control method |
| CN113009516A (en) * | 2021-04-19 | 2021-06-22 | 北京工业大学 | Independent double-channel navigation enhanced satellite receiver |
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