CN104679146A - VPX signal processing backboard - Google Patents
VPX signal processing backboard Download PDFInfo
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- CN104679146A CN104679146A CN201510118831.3A CN201510118831A CN104679146A CN 104679146 A CN104679146 A CN 104679146A CN 201510118831 A CN201510118831 A CN 201510118831A CN 104679146 A CN104679146 A CN 104679146A
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Abstract
The invention provides a VPX signal processing backboard and aims at improving the distributed signal processing capacity, reducing the cost of a distributed system and improving the efficiency by fully utilizing the advantages of a VPX bus. The VPX signal processing backboard comprises a power module, a communication module, a buffer module, a signal preprocessing module and a D/A (Digital to Analog) module, wherein the power module supplies electric power to the VPX signal processing backboard; the communication module receives a data signal detected by each distributed sub-module from a distributed environment and sends a driving signal to the outside; the signal preprocessing module is used for digitally amplifying and digitally filtering the signal; the buffer module is used for temporarily storing an input signal and an output signal of the signal preprocessing module; the D/A module is used for performing analog to digital conversion to generate a driving signal to be output. According to the VPX signal processing backboard, data of the distributed system can be acquired and processed favorably, the robustness of the distributed system is improved, and each monitoring sub-module of the distributed system focuses on the functional development favorably.
Description
Technical field
The present invention relates to a kind of signal-processing board, in particular, relate to a kind of VPX signal transacting backboard.
Background technology
Along with the develop rapidly of integrated circuit, computer processing technology and software engineering, the data handling system platform of field of aerospace presents following development trend: communication bandwidth is more and more wider, transfer rate is more and more higher, real-time handling property is also had higher requirement to the performance of processing platform.In addition due to the particular/special requirement in the fields such as military affairs, space flight, space flight, the calculating bus architecture that PCI, PCI-e etc. are traditional can not meet the demand of test to aspects such as bus bandwidth, system soundnesses.Therefore, data processing platform (DPP) is needed to have higher bus transfer bandwidth, stronger arithmetic capability and data exchange capability more flexibly.And based on the processing platform (as platforms such as CPCI (Compact Peripheral Component Interconnect), VME (Versa Module Eurocard)) of the shared parallel bus of additional fractionation, the key property that Bus Clock Rate and bus interface width determine processing platform is doomed to meet these new demands.
Agreement exchanges (Versatile Protocol Switch, VPX) be by VITA (VME bus International Trade Association) organize to set up in order to meet high reliability under rugged surroundings, high bandwidth require the senior computing platform standard of the next generation, adopt by ANSI (American National Standards Institute).VPX bussing technique is now also gradually for signal transacting field.
And in distributed system field, the data that Distributed Detection module detects are serviced device process often, or sometimes by detection module process, but this structure is unfavorable for the situation when the scale of distributed system acquires a certain degree, because this can cause larger calculating pressure to server, and easily data loss problem occurs.On the other hand, if data processing task is placed on detection module, then the cost of Distributed Detection module can be caused to increase substantially.
Summary of the invention
In order to make full use of the advantage of VPX bus to improve distributed signal processing power, reduce the cost of distributed system, improve its efficiency, the invention provides a kind of VPX signal transacting backboard, comprise power module, communication module, cache module, signal pre-processing module and D/A module, described power module provides electric power for VPX signal transacting backboard, communication module receives from distributed environment data-signal that each distributed submodule detects and externally sends drive singal, described signal pre-processing module is used for carrying out numeral to signal and amplifies and digital filtering, described cache module is used for input signal and the output signal of temporary signal pre-processing module, D/A module is for carrying out analog to digital conversion to produce drive singal to be output.
Further, described power module provides 6 phase power supplys for VPX signal transacting backboard.
Further, described communication module comprises radio communication submodule.
Further, described communication module comprises the chip realizing PCI communication protocol.
Further, described VPX signal transacting backboard also comprises control module.
Further, described control module adopts the DSP of TMS320C 6000 series.
Further, described signal pre-processing module comprises digital signal amplifier and digital signal filter.
Further, described wave filter is iir filter.
Beneficial effect of the present invention comprises: the data acquisition and processing (DAP) that can be conducive to distributed system, improves the robustness of distributed system, and each monitoring submodule being conducive to distributed system is absorbed in functional exploitation.
Accompanying drawing explanation
Fig. 1 is the structural representation of VPX signal transacting backboard of the present invention.
Embodiment
Below in conjunction with accompanying drawing 1, the present invention is further illustrated.As shown in Figure 1, VPX signal transacting backboard comprises power module, communication module, cache module, signal pre-processing module, control module and D/A module, described power module provides electric power for VPX signal transacting backboard, communication module receives from distributed environment data-signal that each distributed submodule detects and externally sends drive singal, described signal pre-processing module is used for carrying out numeral to signal and amplifies and digital filtering, described cache module is used for input signal and the output signal of temporary signal pre-processing module, D/A module is for carrying out analog to digital conversion to produce drive singal to be output, under the driving of this drive singal, data are transferred to server by the mode with simulating signal by communication module.Described control module controls the work schedule of other modules above-mentioned.Described signal pre-processing module comprises digital signal amplifier and iir filter.Reason for the sake of simplicity, not shown power module in Fig. 1.This power module provides 6 phase power supplys for VPX signal transacting backboard, to improve the job stability of this VPX signal transacting backboard under field environment, strengthens the robustness of system.
Communication module comprises receiving element and transmitter unit, and wherein receiving element comprises WiFi module, and transmitter unit comprises the pci interface chip realizing PCI communication protocol, and that pci interface chip adopts is the PCI Special Interface Chip PCI9656 of PLX company.PCI9656 is a power PC I accelerator, and PCI9656 interface supports 64bit/66MHz, 64bit/33MHz, 32bit/66MHz and 32bit/33MHz tetra-kinds of patterns, and local end is 32bit/66MHz bus protocol.This pci interface chip supports 3 kinds of transmission modes: holotype, from pattern and DMA pattern.
Described control module adopts the DSP of TMS320C 6000 series, or adopts MSP430 single-chip microcomputer, ARM9 single-chip microcomputer, one or more in CortexM3 single-chip microcomputer, 8051 single-chip microcomputers.
Cache module comprises the first subarray and the second subarray, so that when the data volume being transferred to this VPX signal transacting backboard is larger, is unlikely to data traffic block occurs.Wherein, first subarray is used for carrying out data to other component units of VPX back panel to be backed up temporarily, second subarray is used for keeping in described intermediate data, and after the first subarray completes backup, other each component units that described control module controls VPX back panel reset.In this structure, described VPX back panel also comprises network data flash unit.Other each component units that this network data flash unit is used for controlling in described control module VPX back panel carry out reseting period, and storing communication module is that receive with data to be sent.
This flash unit can be encapsulated as: POP (laminate packaging, package on Package), ball grid array (Ball Grid Arrays, BGA), wafer-level package (Chip Scale Package, CSP), plastic tape leaded chip carrier (Plastic Leaded Chip Carrier, PLCC), plastics dip (Plastic Dual In-line Package, PDIP), die package (Die in Waffle Pack) in lamination, bare die form (Die in Wafer Form) in wafer, chip on board (chip on board, COB), ceramic double-row straight cutting encapsulation (Ceramic Dual In-line Package, CERDIP), plastic standard four-armed olfactometer (Plastic Metric Quad Flat Pack, MQFP), slim four-armed olfactometer (Thin Quad Flat Pack, TQFP), small outline integrated circuit (Small Outline Integrated Circuit, SOIC), the little outline packages of scaled-down version (Shrink Small Outline Package, SSOP), Thin Small Outline Package (Thin Small Outline Package, TSOP), system in package (System In Package, SIP), multi-chip package (Multi Chip Package, MCP), wafer level structure encapsulation (Wafer-level Fabricated Package, WFP), wafer-level process stacked package (Wafer-level Processed Stack Package, WSP), etc.
According to a preferred embodiment of the invention, each component units in described VPX back panel carries out data communication by PCI-E bus.
Be embodiments of the invention as mentioned above.The present invention is not limited to above-mentioned embodiment, and anyone should learn the structure change made under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
Claims (8)
1. a VPX signal transacting backboard, comprise power module, communication module, cache module, signal pre-processing module and D/A module, it is characterized in that, described power module provides electric power for VPX signal transacting backboard, communication module receives from distributed environment data-signal that each distributed submodule detects and externally sends drive singal, described signal pre-processing module is used for carrying out numeral to signal and amplifies and digital filtering, described cache module is used for input signal and the output signal of temporary signal pre-processing module, D/A module is for carrying out analog to digital conversion to produce drive singal to be output.
2. VPX signal transacting backboard according to claim 1, is characterized in that, described power module provides 6 phase power supplys for VPX signal transacting backboard.
3. VPX signal transacting backboard according to claim 1, it is characterized in that, described communication module comprises radio communication submodule.
4. VPX signal transacting backboard according to claim 1, it is characterized in that, described communication module comprises the chip realizing PCI communication protocol.
5. VPX signal transacting backboard according to claim 1, is characterized in that, described VPX signal transacting backboard also comprises control module.
6. VPX signal transacting backboard according to claim 5, is characterized in that, described control module adopts the DSP of TMS320C 6000 series.
7. VPX signal transacting backboard according to claim 1, it is characterized in that, described signal pre-processing module comprises digital signal amplifier and digital signal filter.
8. VPX signal transacting backboard according to claim 7, is characterized in that, described wave filter is iir filter.
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| CN201510118831.3A CN104679146B (en) | 2015-03-18 | 2015-03-18 | A kind of VPX signal transactings backboard |
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| CN201510118831.3A CN104679146B (en) | 2015-03-18 | 2015-03-18 | A kind of VPX signal transactings backboard |
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| CN104679146A true CN104679146A (en) | 2015-06-03 |
| CN104679146B CN104679146B (en) | 2017-11-07 |
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Citations (5)
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| CN101794268A (en) * | 2010-03-16 | 2010-08-04 | 中国电子科技集团公司第十四研究所 | Processing module capable of reconstructing signals based on VPX bus |
| CN102710477A (en) * | 2012-05-15 | 2012-10-03 | 浙江大学 | Data processing system based on VPX bus structure |
| CN203746060U (en) * | 2014-03-13 | 2014-07-30 | 西安睿控创合电子科技有限公司 | Solid-state memory board card based on VPX architecture |
| US20140354865A1 (en) * | 2013-05-30 | 2014-12-04 | SK Hynix Inc. | Analog to digital conversion circuit, image sensing device having the same and method of driving image sensing device |
| CN104243174A (en) * | 2014-10-10 | 2014-12-24 | 沈辉 | Network and SRIO (serial rapid input/output) data exchanging plate based on VPX bus and control method for network and SRIO data exchanging plate |
-
2015
- 2015-03-18 CN CN201510118831.3A patent/CN104679146B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101794268A (en) * | 2010-03-16 | 2010-08-04 | 中国电子科技集团公司第十四研究所 | Processing module capable of reconstructing signals based on VPX bus |
| CN102710477A (en) * | 2012-05-15 | 2012-10-03 | 浙江大学 | Data processing system based on VPX bus structure |
| US20140354865A1 (en) * | 2013-05-30 | 2014-12-04 | SK Hynix Inc. | Analog to digital conversion circuit, image sensing device having the same and method of driving image sensing device |
| CN203746060U (en) * | 2014-03-13 | 2014-07-30 | 西安睿控创合电子科技有限公司 | Solid-state memory board card based on VPX architecture |
| CN104243174A (en) * | 2014-10-10 | 2014-12-24 | 沈辉 | Network and SRIO (serial rapid input/output) data exchanging plate based on VPX bus and control method for network and SRIO data exchanging plate |
Non-Patent Citations (1)
| Title |
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| 洪艳: "基于VPX 高速综合信息处理平台设计", 《导弹与航天运载技术》 * |
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