CN201607528U - Telemetering fore-end based on Cortex base band equipment - Google Patents
Telemetering fore-end based on Cortex base band equipment Download PDFInfo
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- CN201607528U CN201607528U CN200920246994XU CN200920246994U CN201607528U CN 201607528 U CN201607528 U CN 201607528U CN 200920246994X U CN200920246994X U CN 200920246994XU CN 200920246994 U CN200920246994 U CN 200920246994U CN 201607528 U CN201607528 U CN 201607528U
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Abstract
The utility model discloses a telemetering fore-end based on Cortex base band equipment. A telemetering data collecting unit is communicated with the Cortex base band equipment to receive the telemetering data from the detection port of the Cortex base band equipment through a TCP/IP protocol and simultaneously sends the telemetering data to other units in the way of UDP broadcasting after branching according to satellite identification. A telemetering data processing unit implements clock synchronization and frame synchronization on the telemetering data, files and display the original code of the telemetering data. A telemetering data playback unit plays back the filed telemetering data of each satellite according to the satellite identifying codes and simultaneously adjusts the playback speed. A unit providing data service to a grandmaster is communicated with a grandmaster test computer. After successfully shaking hands with MTP, the telemetering fore-end based on Cortex base band equipment provides telemetering data to the MTP in real time according to the agreed IP addresses and ports through the TCP/IP protocol. The telemetering fore-end based on Cortex base band equipment has the advantages of simple structure, convenient and flexible use, and convenient upgrading, and can meet the test demand of multi-satellite and high telemetering code speed.
Description
Technical field
The utility model relates to a kind of front-end equipment that satellite telemetering data is received and handles of being used for.
Background technology
Telemetry front end is the important component part of satellite electrical system testing apparatus, is one of satellite and ground testing system important channel of getting in touch.Its receives the telemetry that satellite passes down, carries out data processing, and for master control provides data, services, satisfy satellite various test phases, various testing field and testing requirement.The stable operation of telemetry front end has great importance for satellite test.
Along with the development of satellite technology, the satellite task is heavy day by day, and the appearance of formation flight satellite, and the step raising nearly of the bit rate of satellite telemetry will be brought up to 16384bps by present 4096bps as the bit rate of middle method seasat.Therefore it is quite necessary to develop a kind of telemetry front end general, that can support many stars concurrent testing, high bit rate.Existing telemetry front end system lacks versatility, normally the acquisition system of setting up at specific communication channel, particular acquisition agreement and specific memory object.There is the shortcoming that adaptability to changes is poor, applicable performance is not high in it, one cover telemetry front end only satisfies the data acquisition of certain satellite or certain range of models, when in case channel renewal, protocol update or data storage goal systems change, telemetry front end can't continue to use, therefore also just cause present telemetry front end system kind many, in addition when the formation flight satellite test requires multi-channel parallel test, the raising of telemetry code speed, must develop telemetry front end again, not only waste of manpower, material resources, financial resources have also prolonged the lead time.
The utility model content
Technology of the present utility model is dealt with problems and is: overcome the deficiencies in the prior art, provide that a kind of extensibility is good, the telemetry front end based on the Cortex baseband equipment of highly versatile, telemetry code rate adjusted.
Technical solution of the present utility model is: a kind of telemetry front end based on the Cortex baseband equipment, and comprise telemetry collecting unit, Telemetering Data Processing unit, telemetry playback unit, provide DSU to master control, wherein:
Telemetry collecting unit and Cortex baseband equipment communicate, by the detection port reception telemetry of ICP/IP protocol, described telemetry is sent to Telemetering Data Processing unit, telemetry playback unit simultaneously, provides DSU to master control by the udp broadcast mode in the back along separate routes according to the satellite identification code from the Cortex baseband equipment;
The Telemetering Data Processing unit carries out clock synchronization and frame synchronization to the telemetry that receives, and the file line data of going forward side by side of the telemetry true form that receives is shown;
The telemetry playback unit is regulated the speed of playback simultaneously according to the telemetry of filed each satellite of satellite identification code playback;
Provide DSU and master control test computer to communicate to master control, shaking hands after the success with MTP, good according to a preconcerted arrangement IP address and port numbers provide telemetry to MTP in real time by ICP/IP protocol.
Described telemetry collecting unit comprises that the satellite model is provided with that module, IP address port number are provided with module, the Cortex telemetering channel selects module, bit rate that module is set and telemetry is gathered memory module; The satellite model is provided with module and is provided with single or multi-satellite are taken remote measurement, the IP address port number module data memory area place memory device I P address is set and communication port numbers is provided with, module settings single channel, two kinds of options of hyperchannel are selected in the Cortex telemetering channel, the shunt of the data that do not take remote measurement during single channel is handled along separate routes according to the difference of the satellite identification code data that take remote measurement during hyperchannel; Bit rate is provided with module extracting time information from the telemetry that receives, and temporal information is converted to numeric data code speed, but maximum receiving code speed is set simultaneously; Telemetry is gathered memory module by the detection port reception telemetry of ICP/IP protocol from the Cortex baseband equipment, the telemetry that receives is gone format analysis processing, remove before the data-frame sync head and the Frame ending after identification code, obtain the telemetry source code and store, simultaneously with the telemetry that obtains with the outwards broadcasting in real time of udp protocol mode.
Described Telemetering Data Processing unit comprises bit synchronizer, frame synchronization check-out module, telemetry extraction module, data disaply moudle; Bit synchronizer is finished the synchronous of data and clock according to the clock that extracts from telemetry; The frame synchronization check-out module is by finishing the frame synchronization of telemetry to the comparison by turn of telemetry frame alignment word; The telemetry extraction module carries out parameter extraction to the data after synchronous; Data disaply moudle all shows the source code of telemetry.
Described telemetry playback unit comprises playback file selection module, playback speed selection module; Playback file is selected module to adopt to read the file control to select, and seeks the next file of playback according to the identifier of each end-of-file (EOF), guarantees the continuity of playback of data; The module of selecting playback speed adopts timer to trigger control playback speed, the time of timer and the playback speed relation of being inversely proportional to.
Describedly provide DSU to comprise to master control to set up link module, data readback module with MTP transmission; Set up link module with MTP transmission and finish communication handshake with MTP with ICP/IP protocol, data readback module and MTP set up link successfully after, call the playback that the telemetry playback unit is finished telemetry.
The utility model advantage compared with prior art is:
When (1) the utility model telemetry front end receives the multiplex telemetering data, it is classified telemetry, store, show according to the satellite identification code, satisfy the requirement that the formation flight satellite is handled multiplex telemetering, high bit rate remote measurement; Directly communicate according to ICP/IP protocol by telemetry front end and Cortex baseband equipment, and do not need the conversion of observing and controlling computer protocol, not only strengthened the extensibility of equipment, also reduced ground checkout equipment quantity, reduce the testing apparatus cost;
(2) the utility model adopts the data presentation control all to be presented on the human-computer interaction interface remote measurement source code in real time, key parameter adopts graphical control to show in the mode of strip, make system's hommization more, effectively assist the tester that telemetry information is observed intuitively and analyzed;
(3) the utility model data readback unit adopts and to read the file control and select, and seeks the next file of playback according to the identifier of each end-of-file (EOF), guarantees the continuity of playback of data; Adopt timer to trigger the control playback speed, link verification before the design of data readback function can assist to test and the data analysis comparison of test back, playback speed setting flexibly, playback file is chosen as data query that great convenience is provided;
(4) provide DSU to finish communication handshake with MTP to master control, utilize different port numbers and MTP to set up different communication links, provide the many stars tests of multiplex telemetering service bit that guarantee is provided with ICP/IP protocol; The data readback module utilizes ICP/IP protocol and MTP to set up link, calls the playback that the telemetry playback unit is finished telemetry again, for data analysis after link verification before a plurality of lane testings and the test provides advantageous conditions.
Description of drawings
Fig. 1 is the composition structural drawing of the utility model telemetry front end;
Fig. 2 is the structural drawing of the utility model telemetry collecting unit;
Fig. 3 is the structural drawing of the utility model Telemetering Data Processing unit;
Fig. 4 is the structural drawing of the utility model telemetry playback unit;
Fig. 5 provides the structural drawing of DSU to master control for the utility model.
Embodiment
As shown in Figure 1, the utility model can be divided into telemetry collecting unit, Telemetering Data Processing unit, telemetry playback unit, provide DSU four unit to master control according to the functional module division.The telemetry collecting unit communicates by communications peripheral and Cortex baseband equipment, IP address and port numbers according to appointment receive data from the Cortex baseband equipment, go to be broadcast to other three unit after the format analysis processing, the corresponding different execution object in other three unit, the Telemetering Data Processing unit is a front end services, telemetry playback unit and to provide the service object of DSU to master control be MTP, difference is that the former is used for before the test and after the test, the latter is used for test process.Communications peripheral adopts the DFE-530TX of D-link company.
As shown in Figure 2, the theory of constitution block diagram of the utility model telemetry collecting unit comprises that the satellite model is provided with that module, IP address port number are provided with module, the Cortex telemetering channel selects module, bit rate that module is set and telemetry is gathered storage unit.The satellite model is provided with module can select single star or the remote measurement of many stars according to the source that receives telemetry.The IP address port number is provided with module and finishes the setting of data storer place memory device I P address and the setting of communication port numbers.Communicate to connect IP address, the port numbers of usefulness, and telemetry is filed configuration file tm.ini of formation such as drive, path, system call this document during initialization, this processing mode can change configuration (all comprise the IP address port unit that module and satellite model be provided with module number is set all adopts this mode to realize, follow-up unit is introduced no longer in detail) flexibly under the normal operation of the system that do not influence.The Cortex telemetering channel selects module to finish and the communicating to connect of Cortex baseband equipment by the communications peripheral ICP/IP protocol, judges according to the gap marker symbol of agreement, and telemetry is handled along separate routes.Bit rate is provided with module according to the telemetry extracting time information that receives, and temporal information is converted to numeric data code speed again, finish the setting of bit rate according to the numeric data code speed that receives, but maximum receiving code speed is million grades data.Telemetry is gathered storage unit the telemetry of receiving is gone format analysis processing, and the data storage after will formaing is at storer, carry out along separate routes (when receiving the multiplex telemetering data) according to the satellite identification code, fixing Broadcast Port is set, outwards broadcast telemetry, and the telemetry after will handling regularly is stored as text MDHM.Y according to the storage date and time, wherein M be month, D be date, H for hour, M for minute, Y is the time, next file identifier is added in ending.Five modules of this unit are handled by DSP, and DSP adopts the TMS320F2812 of TI company.Telemetry is gathered the data storage of storage unit in RAM, the WD5000AAKS-00A7B2 that RAM adopts Hitachi, Ltd to produce.
As shown in Figure 3, the theory of constitution block diagram of the utility model telemetry collecting unit comprises bit synchronizer, frame synchronization check-out module, telemetry extraction module, data disaply moudle.Bit synchronizer is finished the synchronous of data and clock according to the clock that extracts from telemetry.The frame synchronization check-out module is compared by turn according to the telemetry frame alignment word and is finished telemetry frame synchronization.The Telemetering Data Processing module is carried out the key parameter extraction to reaching data in synchronization.Data display unit all shows the telemetry source code that key parameter adopts control to show with bar form.Four modules of this unit realize on FPGA that all FPGA selects the EP1C3T144 of the Cyclone of altera corp series for use.Data display unit is selected the image data processor 9800GTX+1G of ATI for use.
As shown in Figure 4, the theory of constitution block diagram of the utility model telemetry playback unit comprises that satellite model selection (the satellite model of calling the telemetry collecting unit is provided with module), playback file selection module, playback speed selection module, telemetry show (calling the data disaply moudle of telemetry collecting unit), Telemetering Data Processing (calling the telemetry extraction module of telemetry collecting unit).Playback file is selected module to adopt to read the file control to carry out file to select, and seeks the next file of playback according to the identifier of each end-of-file (EOF), guarantees the continuity of playback of data.The module of selecting playback speed adopts the timer triggering mode to realize timer time and the playback speed relation of being inversely proportional to.Read playback of data in the Telemetering Data Processing data-carrier store and extract key parameter and do format and handle.The playback telemetry source code that the telemetry display module will format after handling all shows, and key parameter adopts control to show with bar form.Preceding four modules of this unit realize on DSP that all DSP adopts the TMS320F2812 of TI company, and last module adopts FPGA to realize that FPGA selects the EP1C3T144 of the Cyclone of altera corp series for use.
As shown in Figure 5, the utility model provides the theory of constitution block diagram of DSU to master control, comprises that the satellite model is provided with module (the satellite model of calling the telemetry collecting unit is provided with module), IP address port and module (the IP address port that calls the telemetry collecting unit number is provided with module) number is set, sets up link module, set up link, telemetry playback module (calling the telemetry playback unit) with the MTP playback with the MTP real-time Transmission.Set up link module with the MTP real-time Transmission and finish communication handshake with MTP with ICP/IP protocol by communications peripheral, propose to shake hands application to MTP, after MTP receives application, reply request, show the link establishment success, telemetry can be transferred to MTP by network real-time.Setting up link module with the MTP playback also is to finish communication handshake with MTP by communications peripheral with ICP/IP protocol, proposes to shake hands application by network to MTP, after MTP receives application, replys request, shows that link establishment successfully.Telemetry playback module and MTP set up link design with above two modules, call the telemetry playback unit and finish playback function.All modules of this unit are realizing on DSP that all DSP adopts the TMS320F2812 of TI company.
The content that is not described in detail in the utility model instructions belongs to those skilled in the art's known technology.
Claims (5)
1. telemetry front end based on the Cortex baseband equipment is characterized in that comprising: telemetry collecting unit, Telemetering Data Processing unit, telemetry playback unit, provide DSU to master control, wherein:
Telemetry collecting unit and Cortex baseband equipment communicate, by the detection port reception telemetry of ICP/IP protocol, described telemetry is sent to Telemetering Data Processing unit, telemetry playback unit simultaneously, provides DSU to master control by the udp broadcast mode in the back along separate routes according to the satellite identification code from the Cortex baseband equipment;
The Telemetering Data Processing unit carries out clock synchronization and frame synchronization to the telemetry that receives, and the file line data of going forward side by side of the telemetry true form that receives is shown;
The telemetry playback unit is regulated the speed of playback simultaneously according to the telemetry of filed each satellite of satellite identification code playback;
Provide DSU and master control test computer to communicate to master control, shaking hands after the success with MTP, good according to a preconcerted arrangement IP address and port numbers provide telemetry to MTP in real time by ICP/IP protocol.
2. a kind of telemetry front end based on the Cortex baseband equipment according to claim 1 is characterized in that: described telemetry collecting unit comprises that the satellite model is provided with that module, IP address port number are provided with module, the Cortex telemetering channel selects module, bit rate that module is set and telemetry is gathered memory module.
3. a kind of telemetry front end based on the Cortex baseband equipment according to claim 1 and 2 is characterized in that: described Telemetering Data Processing unit comprises bit synchronizer, frame synchronization check-out module, telemetry extraction module, data disaply moudle.
4. a kind of telemetry front end according to claim 3 based on the Cortex baseband equipment, it is characterized in that: described telemetry playback unit comprises playback file selection module, playback speed selection module, and playback speed is selected module to adopt timer to trigger and controlled playback speed.
5. a kind of telemetry front end based on the Cortex baseband equipment according to claim 3 is characterized in that: describedly provide DSU to comprise with MTP transmission to master control to set up link module, data readback module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920246994XU CN201607528U (en) | 2009-11-13 | 2009-11-13 | Telemetering fore-end based on Cortex base band equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200920246994XU CN201607528U (en) | 2009-11-13 | 2009-11-13 | Telemetering fore-end based on Cortex base band equipment |
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| CN201607528U true CN201607528U (en) | 2010-10-13 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461960A (en) * | 2014-11-18 | 2015-03-25 | 中国电子科技集团公司第十研究所 | Telemetry frame data path selection processing method for matrix type telemetry frame |
| CN106406280A (en) * | 2016-10-12 | 2017-02-15 | 深圳航天东方红海特卫星有限公司 | Remote control and monitoring based small satellite control system |
| CN107046438A (en) * | 2017-03-14 | 2017-08-15 | 北京空间飞行器总体设计部 | A kind of secondary satellite flies the Telemetry Processing System and method of control |
| CN107919902A (en) * | 2017-10-18 | 2018-04-17 | 广州视源电子科技股份有限公司 | Port setting method and device of Diseqc equipment, readable storage medium and television |
| CN108683698A (en) * | 2018-03-29 | 2018-10-19 | 北京空间飞行器总体设计部 | A kind of multi tate multichannel downlink telemetry data combining branch process system and method |
| CN110719216A (en) * | 2019-10-22 | 2020-01-21 | 深圳航天东方红海特卫星有限公司 | Data transmission data processing method, system, device and storage medium |
-
2009
- 2009-11-13 CN CN200920246994XU patent/CN201607528U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104461960A (en) * | 2014-11-18 | 2015-03-25 | 中国电子科技集团公司第十研究所 | Telemetry frame data path selection processing method for matrix type telemetry frame |
| CN104461960B (en) * | 2014-11-18 | 2017-04-05 | 中国电子科技集团公司第十研究所 | Matrix type telemetry frame chooses the processing method of road remote measurement frame data |
| CN106406280A (en) * | 2016-10-12 | 2017-02-15 | 深圳航天东方红海特卫星有限公司 | Remote control and monitoring based small satellite control system |
| CN107046438A (en) * | 2017-03-14 | 2017-08-15 | 北京空间飞行器总体设计部 | A kind of secondary satellite flies the Telemetry Processing System and method of control |
| CN107919902A (en) * | 2017-10-18 | 2018-04-17 | 广州视源电子科技股份有限公司 | Port setting method and device of Diseqc equipment, readable storage medium and television |
| CN108683698A (en) * | 2018-03-29 | 2018-10-19 | 北京空间飞行器总体设计部 | A kind of multi tate multichannel downlink telemetry data combining branch process system and method |
| CN108683698B (en) * | 2018-03-29 | 2021-04-13 | 北京空间飞行器总体设计部 | Multi-rate multi-channel downlink telemetering data combining and shunting processing system and method |
| CN110719216A (en) * | 2019-10-22 | 2020-01-21 | 深圳航天东方红海特卫星有限公司 | Data transmission data processing method, system, device and storage medium |
| CN110719216B (en) * | 2019-10-22 | 2021-07-27 | 深圳航天东方红海特卫星有限公司 | Data transmission data processing method, system, device and storage medium |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101013 |