CN107682071B - Multi-channel satellite universal measurement and control link conditioning device - Google Patents
Multi-channel satellite universal measurement and control link conditioning device Download PDFInfo
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- CN107682071B CN107682071B CN201710876152.1A CN201710876152A CN107682071B CN 107682071 B CN107682071 B CN 107682071B CN 201710876152 A CN201710876152 A CN 201710876152A CN 107682071 B CN107682071 B CN 107682071B
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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
- H04B7/18515—Transmission equipment in satellites or space-based relays
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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
Abstract
The invention discloses a multi-channel satellite universal measurement and control link conditioning device, which comprises a first link conditioning mechanism and a second link conditioning mechanism, wherein the second link conditioning mechanism is used as a supplement of the first link conditioning mechanism; the first link conditioning mechanism comprises seven couplers, three circulators, three power dividers, eight program-controlled attenuators and two switches, wherein the couplers are connected with the switches, the couplers and the circulators are connected with the power dividers, and the program-controlled attenuators are connected with the couplers; the second link conditioning mechanism comprises three couplers, two circulators, a power divider, three program-controlled attenuators and a switch, wherein the couplers and the circulators are connected with the power divider, the program-controlled attenuators are connected with the couplers, and the couplers are connected with the switch. The invention is designed integrally, so that the invention has the advantages of high-capacity link conditioning capability, complete compatibility and flexible adjustable configuration function.
Description
Technical Field
The invention relates to a conditioning device, in particular to a multi-channel satellite universal measurement and control link conditioning device.
Background
With the development of the satellite industry in China in recent years, satellite testing tasks are increased continuously, the number and the functional requirements of satellite ground testing equipment are improved continuously, but the existing equipment lacks universality and reusability, and huge waste exists. The link conditioning means commonly used at present are pieced together by separate devices or specially customized according to certain requirements, and are often difficult to meet the complex transmission process and the process of conditioning more signals. Besides needing the personnel with professional knowledge ability to build, the condition of resource waste is very serious because of no universality.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a multi-channel satellite universal measurement and control link conditioning device, which solves the problem that the existing special test equipment is not universal, is integrated by combining the link conditioning requirements of the satellite measurement and control test without distinguishing the system to which a specific radio frequency signal belongs, unifies S frequency range measurement and control and S frequency range measurement and control relay, and unifies the multi-channel satellite universal measurement and control link conditioning device to perform channel selection, power distribution and signal conditioning on uplink and downlink signals, so that the multi-channel satellite universal measurement and control link conditioning device has high-capacity link conditioning capability, complete compatibility and flexible adjustable configuration function.
The invention solves the technical problems through the following technical scheme: a multi-channel satellite universal measurement and control link conditioning device comprises a first link conditioning mechanism and a second link conditioning mechanism, wherein the second link conditioning mechanism is used as a supplement of the first link conditioning mechanism; the first link conditioning mechanism comprises seven couplers, three circulators, three power dividers, eight program-controlled attenuators and two switches, wherein the couplers are connected with the switches, the couplers and the circulators are connected with the power dividers, and the program-controlled attenuators are connected with the couplers; the second link conditioning mechanism comprises three couplers, two circulators, a power divider, three program-controlled attenuators and a switch, wherein the couplers and the circulators are connected with the power divider, the program-controlled attenuators are connected with the couplers, and the couplers are connected with the switch.
Preferably, the coupler, the circulator, the power divider and the programmable attenuator all support DC-40 GHz.
Preferably, the multi-channel satellite universal measurement and control link conditioning device adopts a 2.92mm high-frequency interface.
Preferably, the multi-channel satellite universal measurement and control link conditioning device uses a communication protocol interface universal for a standardized test system.
Preferably, the first link conditioning mechanism adopts a two-up and two-down duplex channel same-frequency different-code basic type, a one-up and one-down duplex channel basic type, a up-down separation simplex basic type and a single uplink power division basic type, and all uplink and downlink signals are output by coupling to the switch, so that the first link conditioning mechanism has the capability of supporting four uplink signals and four downlink signals.
Preferably, the second link conditioning mechanism adopts a single two-upper-two-lower-channel same-frequency different-code basic type and monitoring coupling link, and has the capability of supporting one-path uplink signal and two-path downlink signal.
The positive progress effects of the invention are as follows: aiming at the non-universal characteristic of the existing special test equipment, the system to which a specific radio frequency signal belongs is not distinguished by combining the link conditioning requirements of the satellite measurement and control test, the integrated design is carried out, the S-band measurement and control and the S-band measurement and control relay are unified, and the multi-channel satellite universal measurement and control link conditioning device is uniformly adopted to carry out channel selection, power distribution and signal conditioning on uplink and downlink signals, so that the integrated test equipment has the link conditioning capacity with large capacity, complete compatibility and flexible adjustable configuration function. The invention adopts a universal design, can be applied to the radio frequency signal conditioning of each satellite measurement and control test system, can be replaced and reused at any time, has high equipment use efficiency, avoids repeated design and reduces the high cost of discarding special design after use. The configuration of the medium radio frequency device, the control panel and the control software are independently designed, and a universal interface is used, so that the overall reliability and the use adaptability are improved. The IO interfaces have strong flexibility and expansibility, a large number of interfaces and a wide application range, and can be suitable for radio frequency link conditioning in various forms by changing the connection relation of the semisteel cables. The control panel is preset with a radio frequency device to control the driving interface, so that the control stability and speed are high, and the possibility of error occurrence is low. The invention can be developed for the second time, has friendly man-machine interface, convenient operation and less misoperation, and can develop automatic program control flow. The invention adopts additional electromagnetic compatibility and reliability design, ensures the safety and reliability of the design to the maximum extent and meets the use requirement of high-safety test.
Drawings
Fig. 1 is a block diagram of a multi-channel satellite universal measurement and control link conditioning device.
Fig. 2 is a block diagram of another multi-channel satellite universal measurement and control link conditioning device.
Detailed Description
The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to fig. 2, the multi-channel satellite universal measurement and control link conditioning device of the present invention includes two structures, namely a first link conditioning mechanism and a second link conditioning mechanism, where the second link conditioning mechanism is used as a supplement to the first link conditioning mechanism; as shown in fig. 1, the first link conditioning mechanism includes seven couplers, three circulators, three power dividers, eight programmable attenuators, and two switches, where the couplers are connected to the switches, the couplers and the circulators are connected to the power dividers, and the programmable attenuators are connected to the couplers; the second link conditioning mechanism comprises three couplers, two circulators, a power divider, three program-controlled attenuators and a switch, wherein the couplers and the circulators are connected with the power divider, the program-controlled attenuators are connected with the couplers, and the couplers are connected with the switch.
The coupler, the circulator, the power divider and the program-controlled attenuator all support DC-40 GHz, and the uplink and the downlink can be unified, separated or externally connected with the circulator used in a designated frequency band through the change of the semi-steel cable interface outside the box body, so that the link box supports the requirement of full-frequency-band test signal conditioning. The channel capability of switching frequency spectrum coupling monitoring of two paths of independent uplink, three paths of power division uplink, six paths of downlink and ten paths of combined switched frequency spectrum coupling monitoring is supported to the maximum extent.
The multi-channel satellite general measurement and control link conditioning device adopts a 2.92mm high-frequency interface, improves the overall performance and coordination of the link box, enables the link box to meet the conditioning of signals in any frequency band from DC to 40GHz, supports Ka frequency band measurement and control, can even condition links for radio-frequency signals of a data transmission subsystem, and has stronger adaptability and wider application range.
The invention uses the universal communication protocol interface of the standardized test system, abstracts the link box into discrete devices and types, standardizes communication interaction, enables the universal measurement and control link box to be perfectly butted and compatible with the existing ground test software system and the standardized test system, and achieves the effect of a standardized module similar to plug and play. The universal communication protocol interface of the standardized test system is used, the link box is abstracted into discrete devices and types, and communication interaction is standardized, so that the universal measurement and control link box can be perfectly butted and compatible with the existing ground test software system and the standardized test system, and the effect of a plug-and-play-like standardized module is achieved.
The first link conditioning mechanism adopts a two-up-down duplex channel same-frequency different-code basic type, a one-up-down duplex channel basic type, a one-up-down separation simplex basic type and a single uplink power division basic type, and simultaneously all uplink and downlink signals are output by coupling to the switch, so that the first link conditioning mechanism has the capability of supporting four uplink signals and four downlink signals. The first link conditioning mechanism is a 4U (1U ═ 1.75 inch) height standard upper rack, IO (input or output)1_0 to IO1_1, IO1_2 to IO1_3, IO2_0 to IO2_1, IO2_2 to IO2_3, IO3_0 to IO3_1, and IO3_2 to IO3_3, and a semi-rigid cable for connection can be selected.
As shown in fig. 2, the second link conditioning mechanism adopts a single two upper and lower channels same-frequency different-code basic type and monitoring coupling link, and has the capability of supporting one uplink signal and two downlink signals. The second link conditioning mechanism is a 2U height standard upper frame; semi-rigid cables can be selectively connected from IO1_0 to IO1_1, from IO1_2 to IO1_3, from IO2_0 to IO2_1 and from IO2_2 to IO2_ 3.
The invention adopts a universal design, can be applied to the radio frequency signal conditioning of each satellite measurement and control test system, can be replaced and reused at any time, has high equipment use efficiency, avoids repeated design, reduces the high cost of discarding after special design, and can effectively improve the use and economic benefit of the ground test system. The invention uses the design of flexible and configurable hardware, and the detachable semi-steel cable and the additional interface are arranged before the uplink and downlink signals, thereby not only meeting the requirements of part of index tests (such as system time delay tests), but also flexibly adapting to different conditions of link simplex and duplex and the complex application environment of external special circulators and duplexers.
The configuration of the medium radio frequency device and the control panel are independently designed, and a universal interface is used, so that the overall reliability and the use adaptability are improved.
The IO interface of the invention has strong flexibility and expansibility, a plurality of interfaces and wide application range, and can be suitable for radio frequency link conditioning of various forms by changing the connection relation of the semisteel cable.
The control board of the invention is preset with the radio frequency device control driving interface, the control stability and speed are higher, the possibility of error occurrence is lower, the control software interface is standard, the secondary development can be realized, the man-machine interface is friendly, the operation is convenient, the misoperation is less, and the automatic program control flow can be developed. The control panel can control the switch of the switch in the link conditioning device and the attenuation setting of the program-controlled attenuator, the touch screen and the local control software provide the local control function, and the switch and attenuation setting states of all channels are displayed through the display screen. The control software provides a remote control function according to a standard interface, can receive the instruction of the remote control software of the upper computer in real time, and completes the parameter setting of the radio frequency device through the control panel after analysis.
The invention adopts additional electromagnetic compatibility and reliability design, ensures the safety and reliability of the design to the maximum extent and meets the use requirement of high-safety test. The invention has special design for electromagnetic compatibility, reasonable layout, isolation of noise sensitive circuits, high-voltage and low-voltage physical isolation of internal circuit boards and external electromagnetic isolation; the totally enclosed design of shell reliably shields external interference source. The external cables are all shielded wires, so that good electromagnetic compatibility is guaranteed.
The design principle of the invention is to meet the requirements of the measurement and control test radio frequency signal conditioning, a standard device and a universal interface are adopted, a multi-channel satellite universal measurement and control link conditioning device is designed, a system to which a specific radio frequency signal belongs is not distinguished, and the integrated design is carried out, so that the functions of signal power conditioning, signal power distribution, power synthesis, full link signal coupling monitoring, signal duplex processing, channel switch selection and local/remote control are completed.
The invention solves the problems that the existing satellite ground test system has complicated functions and can not be used universally in the aspect of signal conditioning equipment, avoids the additional investment of measurement and control link conditioning equipment which is designed independently, can not be used repeatedly and is universal mutually, is an important part of the satellite universal ground test system and improves the overall compatibility of the test system.
The invention adopts a universal unified interface, the radio frequency interface adopts a 2.92mm high-frequency interface in a unified way, and the control software provides a unified standardized communication protocol and can complete butt joint control with other systems. The maximum enveloping equipment supporting capacity of the invention is as follows: the single 4U link conditioning device has the channel capability of switchable spectrum coupling monitoring of two paths of independent uplink, three paths of power division uplink, six paths of downlink and full uplink and downlink links. The multi-channel satellite universal measurement and control link conditioning device comprises two structures, namely a first link conditioning mechanism and a second link conditioning mechanism, and can be flexibly configured according to requirements, so that resource waste is avoided. The invention realizes the link conditioning generalization, can adapt to the transmission of the uplink and downlink signals and the uplink and downlink signals of the relay measurement and control on the ground measurement and control (conventional measurement and control) link of the existing satellite, and the GPS/BD2 signals, and realizes the adjustment and the switching of the link in a program control mode. The invention realizes the maximization of the frequency band coverage of the RF signal which can be conditioned, and the link conditioning device can support the requirements of conditioning DC-40 GHz signals. The invention adopts the design of flexible and configurable hardware, and the detachable semisteel cable and the additional interface are arranged before and after the uplink and downlink signals, thereby meeting the possible complex application condition.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A multi-channel satellite universal measurement and control link conditioning device is characterized by comprising a first link conditioning mechanism and a second link conditioning mechanism, wherein the second link conditioning mechanism is used as a supplement of the first link conditioning mechanism; the first link conditioning mechanism comprises seven couplers, three circulators, three power dividers, eight program-controlled attenuators and two switches, wherein the couplers are connected with the switches, the couplers and the circulators are connected with the power dividers, and the program-controlled attenuators are connected with the couplers; the second link conditioning mechanism comprises three couplers, two circulators, a power divider, three program-controlled attenuators and a switch, wherein the couplers and the circulators are connected with the power divider;
the first link conditioning mechanism adopts a two-up-down duplex channel same-frequency different-code basic type, a one-up-down duplex channel basic type, a one-up-down separation simplex basic type and a single uplink power division basic type, and simultaneously all uplink and downlink signals are output by coupling to a switch, so that the first link conditioning mechanism has the capability of supporting four uplink signals and four downlink signals;
the second link conditioning mechanism adopts a single two-upper-two-lower channel same-frequency different-code basic type and a monitoring coupling link, and has the capacity of supporting one-path uplink signal and two-path downlink signals.
2. The multi-channel satellite universal measurement and control link conditioning device according to claim 1, wherein the coupler, the circulator, the power divider and the programmable attenuator all support DC-40 GHz.
3. The multi-channel satellite universal measurement and control link conditioning device according to claim 2, wherein the multi-channel satellite universal measurement and control link conditioning device employs a 2.92mm high frequency interface.
4. The multi-channel satellite universal test and control link conditioning device of claim 1, wherein the multi-channel satellite universal test and control link conditioning device uses a standardized test system universal communication protocol interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710876152.1A CN107682071B (en) | 2017-09-25 | 2017-09-25 | Multi-channel satellite universal measurement and control link conditioning device |
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| CN201710876152.1A CN107682071B (en) | 2017-09-25 | 2017-09-25 | Multi-channel satellite universal measurement and control link conditioning device |
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| CN107682071A CN107682071A (en) | 2018-02-09 |
| CN107682071B true CN107682071B (en) | 2020-07-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109194413A (en) * | 2018-08-28 | 2019-01-11 | 北京遥感设备研究所 | A kind of two-band four-way answering machine microwave link test device |
| CN113114345B (en) * | 2021-04-26 | 2023-04-14 | 上海卫星工程研究所 | Radio frequency signal conditioning equipment integrating intensive measurement and control, data transmission and relay |
| CN113746527A (en) * | 2021-08-04 | 2021-12-03 | 上海卫星工程研究所 | Intensive satellite multi-channel complex radio frequency link conditioning control device and method |
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| US5936592A (en) * | 1998-06-05 | 1999-08-10 | Ramanujam; Parthasarathy | Reconfigurable multiple beam satellite reflector antenna with an array feed |
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