CN116566462A - Communication satellite multimode measurement and control system - Google Patents

Communication satellite multimode measurement and control system Download PDF

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Publication number
CN116566462A
CN116566462A CN202310421661.0A CN202310421661A CN116566462A CN 116566462 A CN116566462 A CN 116566462A CN 202310421661 A CN202310421661 A CN 202310421661A CN 116566462 A CN116566462 A CN 116566462A
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China
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measurement
control
transponder
signal
ucb
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Inventor
吕原草
王凤春
徐楠
齐海铭
吉欣
雷静
贠一非
王超
安卫钰
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China Academy of Space Technology CAST
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China Academy of Space Technology CAST
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Priority to CN202310421661.0A priority Critical patent/CN116566462A/en
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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
    • H04B7/18519—Operations control, administration or maintenance
    • 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
    • H04B7/18513—Transmission in a satellite or space-based system
    • 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)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)

Abstract

A communication satellite multimode measurement and control system comprises a UCB transponder A, a UCB transponder B, an S/C dual-mode digital transponder C frequency band radio frequency module and a UCB transponder B, wherein the UCB transponder A receives a first signal, the UCB transponder B receives a second signal, and the S/C dual-mode digital transponder C frequency band radio frequency module receives a third signal; the UCB transponder A outputs a first signal, the UCB transponder B outputs a second signal, and when the S/C dual-mode transponder works under a UCB system, the S/C dual-mode transponder C frequency band module outputs a third signal; the measurement and control fixed-amplification combination comprises a plurality of C frequency band measurement and control fixed-amplification, the first, second and third signals can be switched to the measurement and control fixed-amplification in the C frequency band measurement and control fixed-amplification combination through a first measurement and control switch combination, and amplified signals are obtained through the C frequency band measurement and control fixed-amplification and are switched to the first downlink channel or the second downlink channel through a second measurement and control switch combination. The S/C dual-mode digital transponder outputs an S frequency band signal, and the S frequency band signal is amplified and sent to an S frequency band downlink channel. According to the invention, the measurement and control switch combination is arranged to be compatible with UCB and S frequency band relay measurement and control systems, so that the measurement and control system is concise and efficient.

Description

Communication satellite multimode measurement and control system
Technical Field
The invention relates to the technical field of communication satellite measurement and control, in particular to a communication satellite multimode measurement and control system.
Background
The communication satellite measurement and control subsystem provides a wireless transmission channel between the satellite and the ground station, provides a necessary measurement and control channel for the satellite during the service life of the satellite, and provides necessary telemetry, remote control and ranging functions for the satellite together with the integrated electronic subsystem.
At present, most domestic and commercial communication satellites adopt UCB unified carrier measurement and control systems, 3 UCB transponders are configured, and the system further comprises measurement and control antennas, filters, power dividers, power amplifiers, synthesizers, measurement and control switches and other devices.
The current geostationary orbit satellite transmitting process mainly depends on a satellite-ground measurement and control channel, and the invisible arc sections of the transmitting and early orbit sections are longer, which is very unfavorable for satellite measurement and control safety and satellite safety. By adding a relay measurement and control link between the communication satellite and the relay satellite, the measurement and control arc sections of the transmission and early-stage orbit sections can be greatly prolonged, the dependence on ground stations/vessels in the transmission process is reduced, and the safety of the satellite and the capability of coping with risks are improved.
And the user satellite and the relay satellite transmit telemetry, remote control and ranging forwarding signals through an S-band spread spectrum link. The design scheme of the measurement and control system which is applied to the civil and commercial communication satellite and has the relay measurement and control function is that a single relay terminal is added on the basis of the architecture of the original UCB measurement and control subsystem so as to realize the capability of carrying out measurement and control communication with the relay satellite. The main problems that exist include:
the system architecture is complex, and not only comprises three transponders of UCB system, but also comprises a relay terminal, thereby increasing the weight and the power consumption of the system;
the relay terminal is started only in the early stage of the active section and the transfer track section, is shut down in the long-time on-track, has short working time of a single machine and low utilization rate, and is not considered enough in technical and economic integration.
Disclosure of Invention
The invention provides a communication satellite multimode measurement and control system which is used for solving the problems that the existing satellite comprises three transponders with UCB constitution and a relay device system is complex in structure, and the relay device is started only in an active section and a transfer orbit section at an early stage.
The invention provides a communication satellite multimode measurement and control system, which comprises an uplink part and a downlink part, wherein the uplink part comprises: the system comprises a +Z-direction omni-directional remote control antenna A, +Z-direction omni-directional remote control antenna B, -Z-direction omni-directional remote control antenna, a receiving synthesizer A, a receiving synthesizer B, a receiving shunt filter, a receiving pre-selection filter, a UCB transponder A, a UCB transponder B, S/C dual-mode transponder, +Z-direction relay measurement and control receiving antenna and an S-frequency band receiving filter; wherein,,
the method comprises the steps that a receiving synthesizer A receives a receiving signal of a +Z-direction omni-directional remote control antenna A and a receiving signal of a-Z-plane omni-directional remote control antenna, the two signals are output to a receiving shunt filter after power synthesis, a first uplink signal and a third uplink signal are output after the receiving shunt filter shunts, the first uplink signal is sent to a UCB transponder A, and the third uplink signal is sent to a C frequency band radio frequency module of an S/C dual-mode digital transponder;
the receiving synthesizer B receives the receiving signal of the +Z-direction omnidirectional remote control antenna B and the receiving signal of the-Z-direction omnidirectional remote control antenna, the two signals are output to a receiving preselection filter after power synthesis, a second uplink signal is output after the receiving preselection filter processing, and the second uplink signal is sent to the UCB transponder B;
the S frequency band receiving filter receives the output signal of the +Z direction relay measurement and control receiving antenna, outputs a relay signal after being filtered by the S frequency band receiving filter, and outputs the relay signal to the S frequency band radio frequency module of the S/C dual-mode transponder;
in the transmitting section and the early track section, a receiver and a transmitter of the UCB transponder A are started, the receiver and the transmitter of the UCB transponder B are started, an S frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are started, and a C frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are shut down;
after the satellite is fixed, the receiver and the transmitter of the UCB transponder A are started, the receiver and the transmitter of the UCB transponder B are started, the S frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are shut down, and the C frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are started.
The invention also provides a communication satellite multimode measurement and control system, which comprises an uplink part and a downlink part, wherein the downlink part comprises: UCB transponder A, UCB transponder B, S/C dual-mode transponder, first measurement and control switch combination, measurement and control fixed-release combination and second measurement and control switch combination;
the UCB transponder A outputs a first downlink signal to the first measurement and control switch combination, the UCB transponder B outputs a second downlink signal to the first measurement and control switch combination, and when the S/C dual-mode transponder works under the UCB system, the S/C dual-mode transponder C frequency band module outputs a third downlink signal to the first measurement and control switch combination;
the measurement and control fixed-release combination comprises a plurality of measurement and control fixed-release, the first downlink signal, the second downlink signal and the third downlink signal are switched to corresponding measurement and control fixed-release in the measurement and control fixed-release combination through a first measurement and control switch combination, amplified signals are obtained through corresponding measurement and control fixed-release treatment, and then the amplified signals are switched to a first downlink channel or a second downlink channel through a second measurement and control switch group.
Preferably, the communication satellite multimode measurement and control system further comprises: when the S/C dual-mode transponder works under an S relay measurement and control system, the S frequency band module of the S/C dual-mode transponder outputs a relay measurement and control downlink signal to the S frequency band relay measurement and control fixed amplifying, and then the S frequency band relay measurement and control fixed amplifying is sent to the S frequency band transmitting filter for filtering treatment, and the filtered relay measurement and control downlink signal is sent to the +Z-direction relay measurement and control antenna for transmitting.
Preferably, the measurement and control solid-state combination comprises measurement and control solid-state 1, measurement and control solid-state 2 and measurement and control solid-state 3;
the first measurement and control switch combination comprises a measurement and control switch 1 and a measurement and control switch 2 which are connected with each other;
the UCB transponder A is connected with the measurement and control switch 1, the measurement and control switch 1 is respectively connected with the input end of the measurement and control solid-state device 1 and the input end of the measurement and control solid-state device 2,
the UCB transponder B and the S/C dual-mode transponder are respectively connected with the measurement and control switch 2, and the measurement and control switch 2 is connected with the input end of the measurement and control fixed storage 3;
the second measurement and control switch combination comprises a measurement and control switch 3 and a measurement and control switch 4 which are connected with each other,
the output end of the measurement and control solid-state device 1 and the output end of the measurement and control solid-state device 2 are connected with the measurement and control switch 3, the measurement and control switch 3 is connected with the first downlink channel,
the output end of the measurement and control solid-state device 3 is connected with the measurement and control switch 4, and the measurement and control switch 4 is connected with the second downlink channel.
Preferably, the first downlink signal and the third downlink signal are respectively switched to corresponding measurement and control solid-state processing in measurement and control solid-state 1, measurement and control solid-state 2 and measurement and control solid-state 3 through a measurement and control switch 1 and a measurement and control switch 2;
the second downlink signal and the third downlink signal are respectively switched to corresponding measurement and control solid-state devices in measurement and control solid-state devices 1, 2 and 3 through a measurement and control switch 1 and a measurement and control switch 2 for processing;
the processed first downlink signal, second downlink signal and third downlink signal are switched to the first downlink channel or the second downlink channel through the measurement and control switch 3 or the measurement and control switch 4.
Preferably, the first downlink channel includes: the amplified signals are filtered by the C-band omnidirectional transmitting filter A, then sent to the transmitting power divider A, and sent to the +Z-direction C-band measuring antenna A or the-Z-direction telemetry antenna for transmitting after being power divided by the transmitting power divider A;
the second downstream channel includes: the amplifying signal is filtered by the C-band omnidirectional transmitting filter B, then is sent to the transmitting power divider B, and is sent to the +Z-direction C-band measuring and controlling antenna 1B or the-Z-direction telemetry antenna for transmitting after being subjected to power division by the transmitting power divider B;
the-Z telemetry antenna is shared by the first downlink channel or the second downlink channel.
Preferably, the communication satellite multimode measurement and control system further comprises: when the UCB transponder a transmitter fails,
the transmitter of the UCB transponder A is powered off, the frequency band transmitters of the UCB transponder B and the S/C dual-mode digital transponder C are powered on to work,
and the second downlink signal and the third downlink signal are respectively switched to the measurement and control solid-state amplifier in the measurement and control power amplifier combination by the first measurement and control switch combination for processing.
Preferably, the communication satellite multimode measurement and control system further comprises: when the UCB transponder B transmitter fails,
the transmitter of the UCB transponder B is powered off, the frequency band transmitter of the UCB transponder A and the frequency band transmitter of the S/C dual-mode digital transponder C are powered on to work,
and the first downlink signal and the third downlink signal are respectively switched to the measurement and control fixed amplifier in the measurement and control power amplifier combination by a first measurement and control switch combination.
Preferably, the communication satellite multimode measurement and control system further comprises:
before the satellite fixed point of the transmitting section and the orbit section, the receiver and the transmitter of the UCB transponder A are started, the receiver and the transmitter of the UCB transponder B are started, the S frequency band module receiver and the transmitter of the S/C dual-mode transponder are started, and the C frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are shut down;
after the satellite is fixed, the receiver and the transmitter of the UCB transponder A are started, the receiver and the transmitter of the UCB transponder B are started, the S frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are shut down, and the C frequency band module receiver and the transmitter of the S/C dual-mode transponder are started.
The invention also provides a communication satellite multimode measurement and control system, which comprises an uplink part and a downlink part, wherein the uplink part comprises: the system comprises a +Z-direction omni-directional remote control antenna A, +Z-direction omni-directional remote control antenna B, -Z-direction omni-directional remote control antenna, a receiving synthesizer A, a receiving synthesizer B, a receiving shunt filter, a receiving pre-selection filter, a UCB transponder A, a UCB transponder B, S/C dual-mode transponder, +Z-direction relay measurement and control receiving antenna and an S-frequency band receiving filter; the downstream section includes: UCB transponder A, UCB transponder B, S/C dual-mode transponder, first measurement and control switch combination, measurement and control fixed-release combination and second measurement and control switch combination;
the method comprises the steps that a receiving synthesizer A receives a receiving signal of a +Z-direction omni-directional remote control antenna A and a receiving signal of a-Z-plane omni-directional remote control antenna, the two signals are output to a receiving shunt filter after power synthesis, a first uplink signal and a third uplink signal are output after the receiving shunt filter shunts, the first uplink signal is sent to a UCB transponder A, and the third uplink signal is sent to a C frequency band radio frequency module of an S/C dual-mode digital transponder;
the receiving synthesizer B receives the receiving signal of the +Z-direction omnidirectional remote control antenna B and the receiving signal of the-Z-direction omnidirectional remote control antenna, the two signals are output to a receiving preselection filter after power synthesis, a second uplink signal is output after the receiving preselection filter processing, and the second uplink signal is sent to the UCB transponder B;
the S frequency band receiving filter receives the output signal of the +Z direction relay measurement and control receiving antenna, outputs a relay signal after being filtered by the S frequency band receiving filter, and outputs the relay signal to the S frequency band radio frequency module of the S/C dual-mode transponder;
the UCB transponder A outputs a first downlink signal to the first measurement and control switch combination, the UCB transponder B outputs a second downlink signal to the first measurement and control switch combination, and when the S/C dual-mode transponder works under a UCB system, the S/C dual-mode transponder C frequency band module outputs a third downlink signal to the first measurement and control switch group;
the measurement and control fixed-release combination comprises a plurality of measurement and control fixed-release, the first downlink signal, the second downlink signal and the third downlink signal are switched to corresponding measurement and control fixed-release in the measurement and control fixed-release combination through a first measurement and control switch combination, amplified signals are obtained through corresponding measurement and control fixed-release amplification, and then are switched to a first downlink channel or a second downlink channel through a second measurement and control switch group.
Compared with the prior art, the invention has the advantages that: the invention ensures the original UCB measurement and control function, is compatible with the relay measurement and control function, and improves the service efficiency of the relay terminal. The invention realizes the measurement and control of the S frequency band relay and UCB in a dual-mode digital transponder, reduces a single relay terminal unit compared with the existing measurement and control system compatible with the relay function, and correspondingly reduces the load weight. On the premise of not influencing the functions of the measurement and control system, the service efficiency of the measurement and control equipment is improved, and the system architecture is simpler and more efficient.
Drawings
FIG. 1 is a schematic block diagram of a satellite dual-mode measurement and control subsystem design according to the present invention.
Detailed Description
The following describes specific embodiments of the present invention in detail.
The invention provides a communication satellite multimode measurement and control system which comprises an uplink part and a downlink part. The uplink part includes: the system comprises a +Z-direction omni-directional remote control antenna A, +Z-direction omni-directional remote control antenna B, -Z-direction omni-directional remote control antenna, a receiving synthesizer A, a receiving synthesizer B, a receiving shunt filter, a receiving pre-selection filter, a UCB transponder A, a UCB transponder B, S/C dual-mode transponder, +Z-direction relay measurement and control receiving antenna and an S-band receiving filter. The downlink part includes: UCB transponder A, UCB transponder B, S/C dual-mode transponder, first measurement and control switch combination, measurement and control fixed-release combination and second measurement and control switch combination.
The UCB transponder A outputs a first signal S5 through a first measurement and control switch combination, the UCB transponder B outputs a second signal S6 through the first measurement and control switch combination, and when the S/C dual-mode transponder works under the UCB system, the S/C dual-mode transponder C frequency band module outputs a third signal S7 through the first measurement and control switch combination.
The first signal S5, the second signal S6, and the third signal S7 of the downstream portion may correspond to the first signal S1, the second signal S2, and the third signal S3 of the upstream portion, respectively, and optionally, they may not correspond to each other. By way of non-exhaustive example, the first signal S5, the second signal S6, and the third signal S7 of the downstream portion may also be telemetry signals or other types of signals generated independently on board the satellite. The first signal S1, the second signal S2, and the third signal S3 in the uplink portion may be independent remote control signals or other signals received by the satellite antenna.
The measurement and control fixed-release combination comprises a plurality of measurement and control fixed-release, and is used for amplifying C-band signals, the first signal S5, the second signal S6 and the third signal S7 are switched to the measurement and control fixed-release in the measurement and control fixed-release combination through a first measurement and control switch combination, the amplified signals are obtained through the measurement and control fixed-release treatment, and then the amplified signals are switched to the first downlink channel or the second downlink channel through a second measurement and control switch group. The first downstream channel includes: c frequency band omnidirectional emission filter A, emission power divider A, +Z direction C frequency band measurement and control antenna A. The second downstream channel includes: c frequency band omnidirectional emission filter B, emission power divider B, +Z direction C frequency band measurement and control antenna B.
In one embodiment, the measurement and control solid-state combination comprises measurement and control solid-state 1, measurement and control solid-state 2 and measurement and control solid-state 3. The first measurement and control switch combination comprises a measurement and control switch 1 and a measurement and control switch 2 which are connected with each other. The UCB transponder A is connected with the measurement and control switch 1, and the measurement and control switch 1 is respectively connected with the input end of the measurement and control solid-state device 1 and the input end of the measurement and control solid-state device 2. The UCB transponder B and the S/C dual-mode transponder are connected with a measurement and control switch 2 respectively, and the measurement and control switch 2 is connected with the input end of the measurement and control solid-state device 3.
The second measurement and control switch combination comprises a measurement and control switch 3 and a measurement and control switch 4 which are connected with each other. The output end of the measurement and control solid-discharge 1 and the output end of the measurement and control solid-discharge 2 are connected with a measurement and control switch 3, and the measurement and control switch 3 is connected with a first downlink channel. The output end of the measurement and control solid-discharge 3 is connected with a measurement and control switch 4, and the measurement and control switch 4 is connected with a second downlink channel.
The first downstream channel includes: c frequency band omnidirectional emission filter A, emission power divider A, +Z direction C frequency band measurement and control antenna A. The second downstream channel includes: c frequency band omnidirectional emission filter B, emission power divider B, +Z direction C frequency band measurement and control antenna 1B. Further included is a-Z telemetry antenna 2 shared by the first downlink channel or the second downlink channel.
In one embodiment, the communication satellite multimode measurement and control system of the invention specifically comprises: the system comprises a +Z-direction omni-directional remote control antenna 1A, a +Z-direction omni-directional remote control antenna B, a, -Z-direction omni-directional remote control antenna 2, a receiving synthesizer A, a receiving synthesizer B, a receiving shunt filter, a receiving preselect filter, a UCB transponder A, a UCB transponder B, S/C dual-mode transponder, a measurement and control switch 1, a measurement and control switch 2, a measurement and control switch 3, a measurement and control switch 4, a measurement and control switch 5, a measurement and control switch 6, a measurement and control fixed 1, a measurement and control fixed 2, a measurement and control fixed 3, a C-frequency band omni-directional transmitting filter B with A, C frequency band omni-directional transmitting power divider A, a transmitting power divider B, a load 1, a load 2, +Z-direction omni-directional telemetry antenna B, a +Z-direction omni-directional telemetry antenna and a +Z-direction relay measurement and control transmitting antenna.
The communication satellite multimode measurement and control system is provided with the UCB transponder A and the UCB transponder B, S/C dual-mode transponder, and the channels of the remote control uplink channel and the remote measurement downlink channel are switched and controlled by using the measurement and control switch, so that the remote control and the remote measurement under an S/C dual-band system are realized. The channel can be switched when a fault occurs, and the weight and the power consumption of the measurement and control subsystem equipment can be saved.
An S frequency band radio frequency module and a C frequency band radio frequency module are arranged in the S/C dual-mode transponder, and the two modules share the same baseband processing module. The dual-mode transponder can be switched between an S-band relay measurement and control mode and a UCB system traditional measurement and control mode through instruction setting. When the satellite is in the active section and the transfer orbit section, the dual-mode transponder works under an S relay measurement and control system; after the satellite is fixed, the dual-mode transponder works under UCB measurement and control system.
Specifically, the receiving synthesizer A receives a signal output by the +Z-direction omni-directional remote control antenna A and a signal output by the-Z-plane omni-directional remote control antenna, the two signals are output to the receiving shunt filter after power synthesis, the first signal S1 and the third signal S3 are output after the shunt treatment of the receiving shunt filter, the first signal S1 is sent to the UCB transponder A, and the third signal S3 is sent to the C frequency band radio frequency module of the S/C dual-mode digital transponder.
The receiving synthesizer B receives the signal output by the +Z-direction omni-directional remote control antenna B and the signal output by the-Z-direction omni-directional remote control antenna, the two signals are output to the receiving preselection filter after power synthesis, the second signal is output after the receiving preselection filter processing, and the second signal S2 is sent to the UCB transponder B.
The S frequency band receiving filter receives the output signal of the +Z direction relay measurement and control receiving antenna, and outputs a relay signal S4 to the S frequency band radio frequency module of the S/C dual-mode transponder after being filtered by the S frequency band receiving filter.
The UCB transponder A outputs a first signal S5 to the measurement and control fixed amplifier 1 through the measurement and control switch 1, the measurement and control fixed amplifier 1 amplifies the first signal S5, the first signal S5 is sent to the C-band omnidirectional emission filter A through the measurement and control switch 3, filtered by the C-band omnidirectional emission filter A and then sent to the sending power divider A, and the sending power divider A performs power division and then sent to the +Z-direction C-band measurement and control antenna A or the-Z-direction telemetry antenna for transmission. Further, the transmitting power divider A outputs a first signal to the-Z-direction telemetry antenna for transmitting through the measurement and control switch 5, wherein one end of the measurement and control switch 5 is also connected with the load 1.
The UCB transponder B outputs a second signal S6 to the measurement and control fixed amplifier 3 through the measurement and control switch 2, the measurement and control fixed amplifier 3 amplifies the second signal S6, the second signal S6 is sent to the C-band omnidirectional emission filter B through the measurement and control switch 4, the second signal is filtered by the C-band omnidirectional emission filter B and then sent to the emission power divider B, and the second signal is sent to the +Z-direction C-band measurement and control antenna B or the-Z-direction telemetry antenna for emission after the power of the emission power divider B is divided. Further, the transmitting power divider B outputs a second signal to the-Z-direction telemetry antenna for transmitting through the measurement and control switch 6, wherein one end of the measurement and control switch 6 is connected with the load 2.
The S/C dual-mode transponder C frequency band module outputs a third signal S7 to the measurement and control fixed storage 2; the third signal S7 output by the S/C dual-mode transponder is transmitted to the measurement and control fixed storage 2 through the measurement and control switch 2 and the measurement and control switch 1 in sequence; the output signal of the measurement and control solid-state device 2 is sent to the measurement and control switch 4 through the measurement and control switch 3.
The measurement and control switches 1-6 can switch the paths of measurement and control signals, and the structures of the measurement and control switches are the same. Each measurement and control switch is provided with four interfaces J1, J2, J3 and J4, and the measurement and control switches can realize the two-by-two communication of the four interfaces so as to realize the switching of signal paths.
The S frequency band module of the S/C dual-mode transponder outputs relay measurement and control downlink signals S8 to S frequency band relay measurement and control fixed release, the S frequency band relay measurement and control fixed release amplifies the signals and then sends the amplified signals to the S frequency band transmitting filter for filtering treatment, and the filtered relay measurement and control downlink signals S8 are sent to the +Z relay measurement and control antenna for transmitting.
In a first embodiment of the present invention, this embodiment is described with reference to fig. 1.
For the measurement and control uplink path, a receiving synthesizer A receives signals output by an omni-directional remote control antenna A with +Z direction and an omni-directional remote control antenna with-Z plane, outputs the signals to a receiving shunt filter after power synthesis, and sends one path of signals to a UCB transponder A and the other path of signals to a C frequency band radio frequency module of an S/C dual-mode digital transponder after shunt filtering and power division; the receiving synthesizer B receives signals output by the +Z-direction omnidirectional remote control antenna B and the-Z-direction omnidirectional remote control antenna, outputs the signals to a receiving pre-selection filter after power synthesis, and then sends the signals S2 to the UCB transponder B after filtering; the S frequency band receiving filter receives the output signal of the +Z relay measurement and control receiving antenna, and outputs a forward signal S4 to the S frequency band radio frequency module of the S/C dual-mode transponder after filtering.
For a measurement and control downlink path, UCB transponders A and B respectively output downlink signals S5 and S6 of one path and are connected with measurement and control switches 1 and 2, and a C frequency band module of the S/C dual-mode transponder outputs a downlink signal S7 of a third path and is connected with measurement and control switch 2; the C frequency band measurement and control solid-state devices 1, 2 and 3 are connected through measurement and control switches 1-4 for ring backup, one path of solid-state output signals is filtered through a C frequency band omnidirectional emission filter A and is sent to a +Z direction C frequency band measurement and control antenna 1A or a-Z direction telemetry antenna 2 for emission after being subjected to power division through a transmission power divider A, and the other path of solid-state output signals is filtered through a C frequency band omnidirectional emission filter B and is sent to a +Z direction C frequency band measurement and control antenna B or a-Z direction telemetry antenna for emission after being subjected to power division through a transmission power divider B; the S frequency band module of the S/C dual-mode transponder outputs relay measurement and control downlink signals S8 to S frequency band fixed release, the fixed release outputs return signals to the S frequency band transmitting filter, and the return signals are transmitted to the +Z relay measurement and control antenna for transmitting after being filtered.
In a second embodiment of the present invention: the UCB transponder A, B and the S/C dual-mode transponder C frequency band module operate in a frequency division manner by using 3 different uplink and downlink frequency points respectively.
The working modes of the measurement and control system at different periods are specified as follows:
before the transmitting section and the satellite enter the orbit section to start to work normally, UCB transponders A and B are started to be hot standby, the S/C dual-mode digital transponder works in a relay S spread spectrum mode, and the C frequency band radio frequency module is shut down.
During normal operation of the track, UCB answering machines A and B are always started and hot standby, the S/C dual-mode digital answering machine S frequency band radio frequency module is powered off, the S/C dual-mode answering machine C frequency band module is used as cold backup of the UCB answering machine A, the transmitter is powered off, and the receiver is powered on. FIG. 1 shows a default switch connection mode for system power-on. And the measurement and control solid-discharge 1 and 3 are powered on.
In a third embodiment of the present invention: the channel switching mode after the abnormality of the on-orbit transponder is defined as follows:
(1) If UCB transponder A transmitter fails, UCB transponder B continues to operate and starts S/C dual mode digital transponder. The channel switching mode is as follows: firstly, a UCB transponder A transmitter with faults is turned off, then a S/C dual-mode digital transponder C frequency band transmitter is turned on to send a signal S7 to the measurement and control solid-state 2, a command switch 3 is turned on to enable J2-J4/J1-J3 to be turned on, the measurement and control solid-state 2 is connected with an omnidirectional transmitting filter A, and a signal S7 is output. At the moment, the UCB transponder B and the S/C dual-mode transponder work on track, and the measurement and control fixed-release 2 and 3 power-on work.
At this time, the UCB transponder B outputs the second signal S6 to the measurement and control solid-state amplifier 3 via the measurement and control switch 2, the measurement and control solid-state amplifier 3 amplifies the second signal S6, and then sends the second signal S6 to the C-band omnidirectional transmitting filter B via the measurement and control switch 4, and sends the second signal to the transmitting power divider B after being filtered by the C-band omnidirectional transmitting filter B, and sends the second signal to the +z-direction C-band measurement and control antenna B and/or the-Z-direction telemetry antenna for transmitting after being tapped by the transmitting power divider B.
The S/C dual-mode transponder C frequency band module outputs a third signal S7 to the measurement and control fixed amplifier 2 through the measurement and control switch 2 (J1-J4/J2-J3 is connected), the third signal S7 is amplified by the mirror measurement and control fixed amplifier 2 and then is switched to the omnidirectional C frequency band transmitting filter A through the measurement and control switch 3, filtered by the C frequency band omnidirectional transmitting filter A and then is sent to the transmitting power divider A, and is sent to the +Z-direction C frequency band measurement and control antenna A and/or the-Z-direction telemetry antenna for transmitting after being subjected to power division through the transmitting power divider A.
(2) If UCB transponder B transmitter fails, UCB transponder A continues to operate and starts S/C dual mode digital transponder. Firstly, a UCB transponder B transmitter with faults is turned off, then an S/C dual-mode digital transponder C frequency band transmitter is turned on, a command switch measurement and control switch 2 is turned on to enable J1-J3/J2-J4 to be connected, and the S/C dual-mode transponder is connected with a measurement and control fixed storage 3. At the moment, UCB transponder A and S/C dual-mode transponder work on track, and measurement and control are fixedly conducted to 1 and 3 power-on work.
At this time, the UCB transponder a outputs a first signal S5 to the measurement and control solid-state amplifier 1 through the measurement and control switch 1, the measurement and control solid-state amplifier 1 amplifies the first signal S5, and then sends the first signal S5 to the C-band omnidirectional transmitting filter a through the measurement and control switch 3, and sends the first signal S to the transmitting power divider a after being filtered by the C-band omnidirectional transmitting filter a, and sends the first signal S to the +z-direction C-band measurement and control antenna a or the-Z-direction telemetry antenna for transmitting after being power divided by the transmitting power divider a.
The S/C dual-mode transponder C frequency band module outputs a third signal S7 to the measurement and control fixed storage 3 through a measurement and control switch 4 (J1-J3/J2-J4 is connected), the measurement and control fixed storage 3 amplifies the third signal S7 and then sends the third signal S7 to a C frequency band omnidirectional emission filter B through the measurement and control switch 4, the third signal is filtered by the C frequency band omnidirectional emission filter B and then sent to a transmission power divider B, and the third signal is tapped by the transmission power divider B and then sent to a +Z-direction C frequency band measurement and control antenna B or a-Z-direction telemetry antenna for emission.

Claims (10)

1. A communications satellite multimode measurement and control system comprising an uplink portion and a downlink portion, wherein the uplink portion comprises: the system comprises a +Z-direction omni-directional remote control antenna A, +Z-direction omni-directional remote control antenna B, -Z-direction omni-directional remote control antenna, a receiving synthesizer A, a receiving synthesizer B, a receiving shunt filter, a receiving pre-selection filter, a UCB transponder A, a UCB transponder B, S/C dual-mode transponder, +Z-direction relay measurement and control receiving antenna and an S-frequency band receiving filter; wherein,,
the method comprises the steps that a receiving synthesizer A receives a receiving signal of a +Z-direction omni-directional remote control antenna A and a receiving signal of a-Z-plane omni-directional remote control antenna, the two signals are output to a receiving shunt filter after power synthesis, a first uplink signal and a third uplink signal are output after shunt processing of the receiving shunt filter, the first uplink signal (S1) is sent to a UCB transponder A, and the third uplink signal (S3) is sent to a C frequency band radio frequency module of an S/C dual-mode digital transponder;
the receiving synthesizer B receives the receiving signal of the +Z-direction omni-directional remote control antenna B and the receiving signal of the-Z-direction omni-directional remote control antenna, the two signals are output to a receiving preselection filter after power synthesis, a second uplink signal is output after the receiving preselection filter processing, and the second uplink signal (S2) is sent to the UCB transponder B;
the S frequency band receiving filter receives the output signal of the +Z direction relay measurement and control receiving antenna, outputs a relay signal (S4) after being filtered by the S frequency band receiving filter, and outputs the relay signal to the S frequency band radio frequency module of the S/C dual-mode transponder;
in the transmitting section and the early track section, a receiver and a transmitter of the UCB transponder A are started, the receiver and the transmitter of the UCB transponder B are started, an S frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are started, and a C frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are shut down;
after the satellite is fixed, the receiver and the transmitter of the UCB transponder A are started, the receiver and the transmitter of the UCB transponder B are started, the S frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are shut down, and the C frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are started.
2. A communications satellite multimode measurement and control system comprising an uplink portion and a downlink portion, wherein the downlink portion comprises: UCB transponder A, UCB transponder B, S/C dual-mode transponder, first measurement and control switch combination, measurement and control fixed-release combination and second measurement and control switch combination;
the UCB transponder A outputs a first downlink signal to the first measurement and control switch combination (S5), the UCB transponder B outputs a second downlink signal to the first measurement and control switch combination (S6), and when the S/C dual-mode transponder works under the UCB system, the S/C dual-mode transponder C frequency band module outputs a third downlink signal to the first measurement and control switch combination (S7);
the measurement and control fixed-release combination comprises a plurality of measurement and control fixed-release, the first downlink signal (S5), the second downlink signal (S6) and the third downlink signal (S7) are switched to the corresponding measurement and control fixed-release in the measurement and control fixed-release combination through the first measurement and control switch combination, the amplified signal is obtained through the corresponding measurement and control fixed-release treatment, and then the amplified signal is switched to the first downlink channel or the second downlink channel through the second measurement and control switch group.
3. The communications satellite multimode measurement and control system of claim 2, further comprising: when the S/C dual-mode transponder works under an S relay measurement and control system, the S frequency band module of the S/C dual-mode transponder outputs a relay measurement and control downlink signal (S8) to S frequency band relay measurement and control fixed release, and the S frequency band relay measurement and control fixed release amplified signal is sent to an S frequency band transmitting filter for filtering treatment, and the filtered relay measurement and control downlink signal (S8) is sent to a +Z-direction relay measurement and control antenna for transmitting.
4. The communication satellite multimode measurement and control system according to claim 2 or 3, wherein the measurement and control fixed combination comprises measurement and control fixed 1, measurement and control fixed 2 and measurement and control fixed 3;
the first measurement and control switch combination comprises a measurement and control switch 1 and a measurement and control switch 2 which are connected with each other;
the UCB transponder A is connected with the measurement and control switch 1, the measurement and control switch 1 is respectively connected with the input end of the measurement and control solid-state device 1 and the input end of the measurement and control solid-state device 2,
the UCB transponder B and the S/C dual-mode transponder are respectively connected with the measurement and control switch 2, and the measurement and control switch 2 is connected with the input end of the measurement and control fixed storage 3;
the second measurement and control switch combination comprises a measurement and control switch 3 and a measurement and control switch 4 which are connected with each other,
the output end of the measurement and control solid-state device 1 and the output end of the measurement and control solid-state device 2 are connected with the measurement and control switch 3, the measurement and control switch 3 is connected with the first downlink channel,
the output end of the measurement and control solid-state device 3 is connected with the measurement and control switch 4, and the measurement and control switch 4 is connected with the second downlink channel.
5. The communications satellite multimode measurement and control system of claim 4, wherein,
the first downlink signal (S5) and the third downlink signal (S7) are respectively switched to corresponding measurement and control fixed-release treatments in measurement and control fixed-release 1, measurement and control fixed-release 2 and measurement and control fixed-release 3 through a measurement and control switch 1 and a measurement and control switch 2;
the second downlink signal (S6) and the third downlink signal (S7) are respectively switched to corresponding measurement and control solid-state devices in measurement and control solid-state devices 1, 2 and 3 through a measurement and control switch 1 and a measurement and control switch 2 for processing;
the processed first downlink signal (S5), second downlink signal (S6) and third downlink signal (S7) are switched to the first downlink channel or the second downlink channel through the measurement and control switch 3 or the measurement and control switch 4.
6. A communication satellite multimode measurement and control system according to claim 2 or 3, characterized in that,
the first downlink channel includes: the amplified signals are filtered by the C-band omnidirectional transmitting filter A, then sent to the transmitting power divider A, and sent to the +Z-direction C-band measuring antenna A or the-Z-direction telemetry antenna for transmitting after being power divided by the transmitting power divider A;
the second downstream channel includes: the amplifying signal is filtered by the C-band omnidirectional transmitting filter B, then is sent to the transmitting power divider B, and is sent to the +Z-direction C-band measuring and controlling antenna 1B or the-Z-direction telemetry antenna for transmitting after being subjected to power division by the transmitting power divider B;
the-Z telemetry antenna is shared by the first downlink channel or the second downlink channel.
7. The communications satellite multimode measurement and control system of claim 2, further comprising: when the UCB transponder a transmitter fails,
the transmitter of the UCB transponder A is powered off, the frequency band transmitters of the UCB transponder B and the S/C dual-mode digital transponder C are powered on to work,
and the second downlink signal (S6) and the third downlink signal (S7) are respectively switched to the measurement and control fixed amplifier in the measurement and control power amplifier combination by the first measurement and control switch combination for processing.
8. The communications satellite multimode measurement and control system of claim 2, further comprising: when the UCB transponder B transmitter fails,
the transmitter of the UCB transponder B is powered off, the frequency band transmitter of the UCB transponder A and the frequency band transmitter of the S/C dual-mode digital transponder C are powered on to work,
and the first downlink signal (S5) and the third downlink signal (S7) are respectively switched to the measurement and control fixed amplification in the measurement and control power amplification combination by a first measurement and control switch combination.
9. The communications satellite multimode measurement and control system of claim 2, further comprising:
before the satellite fixed point of the transmitting section and the orbit section, the receiver and the transmitter of the UCB transponder A are started, the receiver and the transmitter of the UCB transponder B are started, the S frequency band module receiver and the transmitter of the S/C dual-mode transponder are started, and the C frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are shut down;
after the satellite is fixed, the receiver and the transmitter of the UCB transponder A are started, the receiver and the transmitter of the UCB transponder B are started, the S frequency band radio frequency module receiver and the transmitter of the S/C dual-mode transponder are shut down, and the C frequency band module receiver and the transmitter of the S/C dual-mode transponder are started.
10. A communications satellite multimode measurement and control system comprising an uplink portion and a downlink portion, wherein the uplink portion comprises: the system comprises a +Z-direction omni-directional remote control antenna A, +Z-direction omni-directional remote control antenna B, -Z-direction omni-directional remote control antenna, a receiving synthesizer A, a receiving synthesizer B, a receiving shunt filter, a receiving pre-selection filter, a UCB transponder A, a UCB transponder B, S/C dual-mode transponder, +Z-direction relay measurement and control receiving antenna and an S-frequency band receiving filter; the downstream section includes: UCB transponder A, UCB transponder B, S/C dual-mode transponder, first measurement and control switch combination, measurement and control fixed-release combination and second measurement and control switch combination;
the method comprises the steps that a receiving synthesizer A receives a receiving signal of a +Z-direction omni-directional remote control antenna A and a receiving signal of a-Z-plane omni-directional remote control antenna, the two signals are output to a receiving shunt filter after power synthesis, a first uplink signal and a third uplink signal are output after shunt processing of the receiving shunt filter, the first uplink signal (S1) is sent to a UCB transponder A, and the third uplink signal (S3) is sent to a C frequency band radio frequency module of an S/C dual-mode digital transponder;
the receiving synthesizer B receives the receiving signal of the +Z-direction omni-directional remote control antenna B and the receiving signal of the-Z-direction omni-directional remote control antenna, the two signals are output to a receiving preselection filter after power synthesis, a second uplink signal is output after the receiving preselection filter processing, and the second uplink signal (S2) is sent to the UCB transponder B;
the S frequency band receiving filter receives the output signal of the +Z direction relay measurement and control receiving antenna, outputs a relay signal (S4) after being filtered by the S frequency band receiving filter, and outputs the relay signal to the S frequency band radio frequency module of the S/C dual-mode transponder;
the UCB transponder A outputs a first downlink signal to the first measurement and control switch combination (S5), the UCB transponder B outputs a second downlink signal to the first measurement and control switch combination (S6), and when the S/C dual-mode transponder works under a UCB system, the C frequency band module of the S/C dual-mode transponder outputs a third downlink signal to the first measurement and control switch group (S7);
the measurement and control fixed-release combination comprises a plurality of measurement and control fixed-release, the first downlink signal (S5), the second downlink signal (S6) and the third downlink signal (S7) are switched to the corresponding measurement and control fixed-release in the measurement and control fixed-release combination through the first measurement and control switch combination, amplified signals are obtained through the corresponding measurement and control fixed-release amplification, and then the amplified signals are switched to the first downlink channel or the second downlink channel through the second measurement and control switch group.
CN202310421661.0A 2023-04-19 2023-04-19 Communication satellite multimode measurement and control system Pending CN116566462A (en)

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CN202310421661.0A CN116566462A (en) 2023-04-19 2023-04-19 Communication satellite multimode measurement and control system

Applications Claiming Priority (1)

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CN202310421661.0A CN116566462A (en) 2023-04-19 2023-04-19 Communication satellite multimode measurement and control system

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