CN104536923B - A kind of interference signal collection of multichannel and processing checking system - Google Patents

A kind of interference signal collection of multichannel and processing checking system Download PDF

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Publication number
CN104536923B
CN104536923B CN201410695549.7A CN201410695549A CN104536923B CN 104536923 B CN104536923 B CN 104536923B CN 201410695549 A CN201410695549 A CN 201410695549A CN 104536923 B CN104536923 B CN 104536923B
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chip
fpga chip
optical
extension set
data
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CN104536923A (en
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熊兴中
李明玉
蒋卫恒
许炜阳
龙宁
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Nanjing Xinyan collaborative positioning and Navigation Research Institute Co., Ltd
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Sichuan University of Science and Engineering
Chengdu Longteng Zhongyuan Information Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/382Information transfer, e.g. on bus using universal interface adapter
    • G06F13/387Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601Interfaces specially adapted for storage systems
    • G06F3/0602Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0614Improving the reliability of storage systems

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Optical Communication System (AREA)

Abstract

The invention discloses a kind of collection of the interference signal of multichannel and processing checking system, it includes collection storage extension set and data dump extension set two parts, described collection storage extension set includes main control computer module, high speed memory modules, AD acquisition modules, optical-fibre channel unit and PMU, and data dump extension set includes dump server and disk array.The invention provides a kind of collection of the interference signal of multichannel and processing checking system, while there is complete collection, real-time storage, playback process and dump processing function, also with the advantages of easy to use, accuracy is strong, reliability is high.

Description

A kind of interference signal collection of multichannel and processing checking system
Technical field
The present invention relates to a kind of Signal acquiring and processing to verify system, particularly a kind of multichannel interference signal collection and place Manage checking system.
Background technology
Data collecting system is the bridge that computer intelligence instrument contacts with extraneous physical world, is the important of acquisition information Approach.Data acquisition technology refers mainly to the ultra-weak electronic signal from sensor output, through signal condition, analog-to-digital conversion to storage, note Record the technology involved by this process.With the rapid development of computer and information technology, signal transmit production in people with Increasingly consequence is occupied in life, but has a factor for influenceing laser propagation effect in the transmitting procedure of signal, that is, Interference signal.Therefore, interference signal is acquired just extremely important with processing.
Occur various types of signal collection and processing checking system currently on the market, these systems are to usual signal acquisition Very big convenience is brought, but these systems also have certain limitation.
The interference signal acquisition module of multichannel is most important to be sought to accomplish synchronous acquisition, so how to reduce multichannel The lock in time of collection, this was also the difficult point and deficiency that present multichannel collecting technology faces with regard to critically important.
Memory module, which improves storage speed and reduces the bit error rate, very big influence to the quality of memory module, to whole Individual system also plays the role of great, and this is also a major issue in the collection and processing of interference signal.
Signal acquiring and processing checking system is intended to that accuracy height can be accomplished, highly reliable, easy to use, but at present also While almost neither one has complete collection, real-time storage, playback process and dump processing function, moreover it is possible to which it is accurate to accomplish Property strong, a kind of multichannel that reliability is high interference signal collection and processing checking system.
The content of the invention
Present invention aims to overcome that the deficiencies in the prior art, there is provided a kind of interference signal collection of multichannel is tested with processing Card system, while there is complete collection, real-time storage, playback process and dump processing function, also with easy to use, accurate The advantages of really property is strong, reliability is high.
The technical proposal of the invention is realized in this way:A kind of interference signal collection of multichannel and processing checking system, It includes collection storage extension set and data dump extension set;The communication ends of described collection storage extension set pass through gigabit Ethernet and number It is bi-directionally connected according to the communication ends of dump extension set, the data sending terminal of collection storage extension set passes through optical fiber and the number of data dump extension set Connected according to receiving terminal;
Described collection storage extension set includes main control computer module, multiple high speed memory modules, AD acquisition modules and light Fine channel unit, the input of described AD acquisition modules receive input signal, high speed memory modules, AD acquisition modules and optical fiber Channel unit is connected by plate high-speed bus, and high speed memory modules, AD acquisition modules and optical-fibre channel unit also pass through simultaneously CAN is connected, and described optical-fibre channel unit is connected by PCIe with main control computer module, and optical-fibre channel unit is additionally provided with To the delivery outlet of data dump extension set output data;
Described data dump extension set includes data dump server and disk array, described data dump server bag HBA cards and Fiber Interface Card are included, the input of described Fiber Interface Card receives the input signal from collection storage extension set, light The output of fine interface card is connected by PCIe and HBA cards, and the output of HBA cards is connected by optical fiber interface with disk array.
A kind of interference signal collection of described multichannel and processing checking system, in addition to multiple array antennas and one Multichannel receiver, the radiofrequency signal of described array antenna received interference signal, output and the multichannel of array antenna receive Machine is connected, and the output of multichannel receiver is connected with AD acquisition modules.
The number of described high speed memory modules is 4.
Described high speed memory modules are used for storage file system including FLASH arrays, fpga chip, DSP Processor, one System is used to receive from fpga chip data and is transferred to the optical module of optical port with the NOR FLASH of parameter and one, described FLASH arrays are connected with fpga chip, and fpga chip is connected by GTX interfaces with external bus, and fpga chip is connect by EMIF Mouthful be connected with DSP Processor, DSP Processor is connected with pci interface, DSP Processor also by with Ethernet PHY chip and gigabit Network interface connection;Described NOR FLASH are connected with fpga chip, described optical module one end by GTX interfaces and with FPGA cores Piece is connected, and the other end is connected with optical port;Described FLASH arrays are the FLASH arrays for employing BCH error correction codings, FLASH arrays include multigroup FLASH chip, and described multigroup FLASH chip is the chip of pipeline processing architecture, described FLASH chip is the chip using pair of pages programming technique and the core utilized including multiple timesharing.
Described AD acquisition modules include multi-channel A/D collector, fpga chip, DSP Processor, Ethernet PHY chip, when Clock manager and crystal oscillator, described multi-channel A/D collector receive the input signal from outside, the output of AD collectors and FPGA Chip is connected, and fpga chip is connected by GTX interfaces with external bus, and fpga chip also passes through DSP data/address bus and DSP processing Device is connected, and DSP Processor one end is connected with default pci interface, and the other end is connected by Ethernet PHY chip and gigabit Ethernet Connect;Input receives the reference signal from crystal oscillator, the output end and multichannel of timer manager to described timer manager all the way AD collectors connect, and every PCB trace length all the way of timer manager to multi-channel A/D collector is isometric.
Described optical-fibre channel unit includes fpga chip, fiber optical transceiver and Ethernet PHY chip, described FPGA cores Piece is connected by GTX with plate high-speed bus, and fpga chip is also connected by GTX with fiber optical transceiver, and fiber optical transceiver passes through Optical port output data, fpga chip are also connected by Ethernet PHY chip with gigabit Ethernet, fpga chip also respectively with PCIe Bus connects with CAN.
Described Fiber Interface Card includes fiber optical transceiver, fpga chip and PCIe golden fingers, described fpga chip It is connected with PCIe golden fingers, fpga chip is also connected by fiber optical transceiver with optical port.
High performance industrial computer card of the described main control computer module from the standard CPCI of AD-link companies CPCI-6210。
Described collection storage extension set also includes a PMU, is responsible for providing the power supply that complete machine needs, uses AC or D/C power administrative unit receive the dc source that outside 220V AC powers are converted to complete machine other modules needs.
The S30 series of described dump server from association for company, using Intel to strong E5-1600 processors, And possess PCIe3.0 and PCIe2.0 slots, user can be met to the data transportation requirements between optical channel card and HBA cards.
Disk array selects the SureSAS112 modularization disk storage systems of Legend Company, and main frame connected mode supports FC With iCISI agreements.
The present invention gain effect be:(1)AD acquisition modules are arrived using same clock source and same trigger source, clock signal The PCB trace length of each AD devices is strictly isometric, and has also given synchronous triggering signal and synchronizing clock signals to FPGA cores Piece, synchronization of the fpga chip to multi-channel A/D gathered data receive, and ensure the lock in time that can make multi-channel sampling<0.1ns, carry The high accuracy of collection;(2)Using multinomial high speed storing technology, storage speed is substantially increased, using BCH error correcting techniques, Reduce the bit error rate, the bit error rate<10-12, improve the accuracy and reliability of data storage;(3)The present invention, which has, completely to adopt Collection, real-time storage, playback process or dump processing function, it can complete to use interference signal from each step of processing is collected It is very convenient.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention;
Fig. 2 is the theory diagram of high speed memory modules;
Fig. 3 is the theory diagram of AD acquisition modules;
Fig. 4 is the theory diagram of optical-fibre channel unit;
Fig. 5 is the theory diagram of Fiber Interface Card;
Fig. 6 is the method flow diagram of the interference signal collection and processing checking of a kind of multichannel.
Embodiment
Technical scheme is further described below in conjunction with the accompanying drawings:A kind of as shown in figure 1, interference signal of multichannel Collection and processing checking system, it includes collection storage extension set and data dump extension set;The communication of described collection storage extension set End is bi-directionally connected by the communication ends of gigabit Ethernet and data dump extension set, and the data sending terminal of collection storage extension set passes through light Fibre is connected with the data receiver of data dump extension set;
Described collection storage extension set includes main control computer module, multiple high speed memory modules, AD acquisition modules and light Fine channel unit, the input of described AD acquisition modules receive input signal, high speed memory modules, AD acquisition modules and optical fiber Channel unit is connected by plate high-speed bus, and high speed memory modules, AD acquisition modules and optical-fibre channel unit also pass through simultaneously CAN is connected, and described optical-fibre channel unit is connected by PCIe with main control computer module, and optical-fibre channel unit is additionally provided with To the delivery outlet of data dump extension set output data;
Described data dump extension set includes data dump server and disk array, described data dump server bag HBA cards and Fiber Interface Card are included, the input of described Fiber Interface Card receives the input signal from collection storage extension set, light The output of fine interface card is connected by PCIe and HBA cards, and the output of HBA cards is connected by optical fiber interface with disk array.
A kind of interference signal collection of described multichannel and processing checking system, in addition to multiple array antennas and one Multichannel receiver, the radiofrequency signal of described array antenna received interference signal, output and the multichannel of array antenna receive Machine is connected, and the output of multichannel receiver is connected with AD acquisition modules.
The number of described high speed memory modules is 4.
As shown in Fig. 2 described high speed memory modules are used for including FLASH arrays, fpga chip, DSP Processor, one Storage file system and the NOR FLASH of parameter and one are used to receiving from fpga chip data and being transferred to the optical mode of optical port Block, described FLASH arrays are connected with fpga chip, and fpga chip is connected by GTX interfaces with external bus, and fpga chip leads to EMIF interfaces are crossed to be connected with DSP Processor, DSP Processor is connected with pci interface, DSP Processor also by with ethernet PHY core Piece and gigabit network interface connection;Described NOR FLASH are connected with fpga chip, described optical module one end by GTX interfaces and It is connected with fpga chip, the other end is connected with optical port;Described FLASH arrays are the FLASH for employing BCH error correction codings Array, FLASH arrays include multigroup FLASH chip, and described multigroup FLASH chip is the chip of pipeline processing architecture, institute The FLASH chip stated is the chip using pair of pages programming technique and the core utilized including multiple timesharing.
Sample frequency more and more higher, this handles and brings larger pressure in real time to rear end;This just locates to data transfer and in real time Reason proposes higher requirement, such as multistage present invention employs multinomial high speed storing technology in order to meet the needs of real-time storage Pipelining, pair of pages programming technique and Interleaved programming techniques etc., multi-stage pipeline technology are to use to utilize FLASH cores The programming time interval of piece, pipeline processing architecture is built using multigroup FLASH chip;Pair of pages programming technique is using single The pair of pages independence feature of FLASH chip, realizes pair of pages in the unit interval while programs, and program speed can be improved one by this technology Times;The characteristics of Interleaved programming techniques are then core multiple using one single chip, timesharing utilizes these cores, is deposited so as to realize The lifting of speed is stored up, highest can meet 1GB/s storage speeds.
Characteristics of the FLASH due to production technology and medium in itself, the BIT mistakes of randomness occur in programming process, Therefore in order to ensure the use demand of user, the present invention uses real-time error coding techniques, ensures the correctness of data, according to FLASH user's manual knows, 24 BIT mistakes at most occur in 1080 Byte, the BCH error correction codings that the present invention uses, 1080 Byte can be realized with up to 32 BIT correction process, can farthest meet user's request, make the bit error rate<10-12
As shown in figure 3, described AD acquisition modules include multi-channel A/D collector, fpga chip, DSP Processor, Ethernet PHY chip, timer manager and crystal oscillator, described multi-channel A/D collector receive the input signal from outside, AD collectors Output is connected with fpga chip, and fpga chip is connected by GTX interfaces with external bus, and fpga chip is also total by DSP data Line is connected with DSP Processor, and DSP Processor one end is connected with default pci interface, the other end by Ethernet PHY chip with Gigabit Ethernet connects;Input receives the reference signal from crystal oscillator to described timer manager all the way, timer manager Output end is connected with multi-channel A/D collector, and every PCB trace length all the way of timer manager to multi-channel A/D collector is isometric.
As shown in figure 4, described optical-fibre channel unit includes fpga chip, fiber optical transceiver and Ethernet PHY chip, institute The fpga chip stated is connected by GTX with plate high-speed bus, and fpga chip is also connected by GTX with fiber optical transceiver, optical fiber Transceiver is also connected by optical port output data, fpga chip by Ethernet PHY chip with gigabit Ethernet, and fpga chip is also It is connected respectively with PCIe buses and CAN.
As shown in figure 5, described Fiber Interface Card includes fiber optical transceiver, fpga chip and PCIe golden fingers, it is described Fpga chip is connected with PCIe golden fingers, and fpga chip is also connected by fiber optical transceiver with optical port.
High performance industrial computer card of the described main control computer module from the standard CPCI of AD-link companies CPCI-6210。
Described collection storage extension set also includes a PMU, is responsible for providing the power supply that complete machine needs, uses AC or D/C power administrative unit receive the dc source that outside 220V AC powers are converted to complete machine other modules needs.
The S30 series of described dump server from association for company, using Intel to strong E5-1600 processors, And possess PCIe3.0 and PCIe2.0 slots, user can be met to the data transportation requirements between optical channel card and HBA cards.
Disk array selects the SureSAS112 modularization disk storage systems of Legend Company, and main frame connected mode supports FC With iCISI agreements.
As shown in fig. 6, the method for the interference signal collection and processing checking of a kind of multichannel corresponding to the present invention, it includes Following steps:
S1. collection storage:Interference signal is acquired, is converted into data signal, and carry out real-time storage;
S2. data processing:Obtained data signal is handled, including playback process sub-step, data dump sub-step Rapid and file management sub-step.
Described step S1 includes following sub-step:
S11. signal acquisition:Array antenna takes the radiofrequency signal of interference signal;
S12. signal transmits:The signal of acquisition is transferred to AD acquisition modules, described AD collection moulds by multichannel receiver The collection of block is multi pass acquisition;
S13. signal is changed:AD acquisition module synchronous acquisitions, and ensure that the sampling clock that every collections of AD all the way use is homologous Same phase, using synchronous triggering input signal in fpga chip, realize that the synchronization to multi-channel A/D gathered data receives, signal is changed For data signal, and channel uncertainty calibration is carried out in acquisition module;
S14. signal stores:Digital letter will be collected by plate high-speed bus and be transferred to high speed memory modules, deposited at a high speed Store up real-time storage of the module to the high-speed data from AD acquisition modules.
Playback process sub-step in described step S2 includes following sub-step:
S211. after receiving data readback order, optical-fibre channel unit reads number by GTX interfaces from high speed memory modules According to storing data into main control computer module local hard disk by PCIe interface;
S212. the processing software of main control computer module completes the post-processing to playback of data.
Data dump sub-step in described step S2 includes following sub-step:
S221. after receiving data dump order, optical-fibre channel unit reads data from high speed memory modules, turns in data Under the control for storing up extension set, by data dump to disk array;
S222. dump server is handled data and proof of algorithm.
File management sub-step in described step S2 uses to be stored in customized file system management memory module Data, In the view of user terminal memory module storage be it is a series of can be deleted as needed, read and format manipulation File.
The PCB per AD devices all the way of multi-channel A/D collector is to clock track lengths etc. in described AD acquisition modules It is long.
Described high speed memory modules include FLASH arrays, and described FLASH arrays are to employ BCH Error Correction of Coding skills The FLASH arrays of art, FLASH arrays include multigroup FLASH chip, and described multigroup FLASH chip is pipeline processing architecture Chip, described FLASH chip be using pair of pages programming technique and the core utilized including multiple timesharing chip.

Claims (1)

1. a kind of interference signal collection of multichannel and processing checking system, it includes collection storage extension set and data dump point Machine;The communication ends of described collection storage extension set are bi-directionally connected by the communication ends of gigabit Ethernet and data dump extension set, are adopted The data sending terminal of collection storage extension set is connected by optical fiber with the data receiver of data dump extension set;
Described collection storage extension set leads to including main control computer module, multiple high speed memory modules, AD acquisition modules and optical fiber Road unit, the input of described AD acquisition modules receive input signal, high speed memory modules, AD acquisition modules and optical-fibre channel Unit is connected by plate high-speed bus, and high speed memory modules, AD acquisition modules and optical-fibre channel unit are also simultaneously total by CAN Line is connected, and described optical-fibre channel unit is connected by PCIe with main control computer module, and optical-fibre channel unit is additionally provided with to number According to the delivery outlet of dump extension set output data;
Described data dump extension set includes data dump server and disk array, and described data dump server includes HBA cards and Fiber Interface Card, the input of described Fiber Interface Card receive the input signal from collection storage extension set, optical fiber The output of interface card is connected by PCIe and HBA cards, and the output of HBA cards is connected by optical fiber interface with disk array;Its feature It is:The interference signal collection of the multichannel also includes multiple array antennas with processing checking system and a multichannel receives Machine, the radiofrequency signal of described array antenna received interference signal, the output of array antenna are connected with multichannel receiver, more logical The output of road receiver is connected with AD acquisition modules;The number of described high speed memory modules is 4;Described high speed storing mould Block is used for storage file system and the NOR FLASH of parameter and one including FLASH arrays, fpga chip, DSP Processor, one Individual to be used to receive from fpga chip data and be transferred to the optical module of optical port, described FLASH arrays are connected with fpga chip, Fpga chip is connected by GTX interfaces with external bus, and fpga chip is connected by EMIF interfaces with DSP Processor, DSP processing Device is connected with pci interface, DSP Processor also by with Ethernet PHY chip and gigabit network interface connection;Described NOR FLASH It is connected with fpga chip, described optical module one end is connected by GTX interfaces and with fpga chip, and the other end is connected with optical port; Described FLASH arrays are the FLASH arrays for employing BCH error correction codings, and FLASH arrays include multigroup FLASH chip, Described multigroup FLASH chip be pipeline processing architecture chip, described FLASH chip be using pair of pages programming technique simultaneously The chip of the core utilized including multiple timesharing;Described AD acquisition modules include multi-channel A/D collector, fpga chip, DSP processing Device, Ethernet PHY chip, timer manager and crystal oscillator, described multi-channel A/D collector receive the input signal from outside, AD The output of collector is connected with fpga chip, and fpga chip is connected by GTX interfaces with external bus, and fpga chip also passes through DSP data/address bus is connected with DSP Processor, and DSP Processor one end is connected with default pci interface, and the other end passes through Ethernet PHY chip is connected with gigabit Ethernet;Input receives the reference signal from crystal oscillator, clock to described timer manager all the way The output end of manager is connected with multi-channel A/D collector, and timer manager to multi-channel A/D collector is grown per PCB trace all the way Spend isometric;Described optical-fibre channel unit includes fpga chip, fiber optical transceiver and Ethernet PHY chip, described FPGA cores Piece is connected by GTX with plate high-speed bus, and fpga chip is also connected by GTX with fiber optical transceiver, and fiber optical transceiver passes through Optical port output data, fpga chip are also connected by Ethernet PHY chip with gigabit Ethernet, fpga chip also respectively with PCIe Bus connects with CAN;Described Fiber Interface Card includes fiber optical transceiver, fpga chip and PCIe golden fingers, described Fpga chip is connected with PCIe golden fingers, and fpga chip is also connected by fiber optical transceiver with optical port.
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CN104363075A (en) * 2014-11-28 2015-02-18 成都龙腾中远信息技术有限公司 Digital beam forming technical verification system
CN104331637A (en) * 2014-11-28 2015-02-04 成都龙腾中远信息技术有限公司 Digital beam forming technique verification system and data processing method
CN104333438B (en) * 2014-11-28 2019-01-04 成都龙腾中远信息技术有限公司 A kind of digital bea mforming technique verification platform data processing method

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