CN108959408A - Arctic marine environmental forecasting production and transfer management method under communication constraint - Google Patents
Arctic marine environmental forecasting production and transfer management method under communication constraint Download PDFInfo
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- CN108959408A CN108959408A CN201810576173.6A CN201810576173A CN108959408A CN 108959408 A CN108959408 A CN 108959408A CN 201810576173 A CN201810576173 A CN 201810576173A CN 108959408 A CN108959408 A CN 108959408A
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- 238000004891 communication Methods 0.000 title claims abstract description 34
- 238000007726 management method Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 230000007613 environmental effect Effects 0.000 title claims abstract description 18
- 238000012546 transfer Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000012795 verification Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000017105 transposition Effects 0.000 claims description 6
- 238000011835 investigation Methods 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000009877 rendering Methods 0.000 claims description 3
- 238000013524 data verification Methods 0.000 claims 1
- 238000011160 research Methods 0.000 abstract description 6
- 238000013523 data management Methods 0.000 abstract 1
- 238000013079 data visualisation Methods 0.000 abstract 1
- 238000012394 real-time manufacturing Methods 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/42—Mailbox-related aspects, e.g. synchronisation of mailboxes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Transfer Between Computers (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses the arctic marine environmental forecasting productions and transfer management method under a kind of communication constraint.For under satellite communication environment, the data transmission and the data management and visualization of client of the real-time manufacturing, server end and client of arctic ocean environment observation and forecast data product.Its step are as follows: 1) in server end timing detection new data, verifying to it；2) pretreatment generation is carried out to verification data and simplifies data；3) it constructs data product and the data product of classification is passed through by mail distribution to client based on satellite communication；4) client mails and downloading data product, is put in storage to it and handles and record its metadata information；5) client loaded and displayed data product according to demand.The present invention is suitable for data transmission and product automation production during polar research ship navigation, is stabilization and the economically viable mode for meeting mass data transmission and production under a kind of limited means of communication.
Description
Technical field
The present invention relates to the technical fields of environmental forecasting data product, and in particular to one kind is in polar region communication constraint condition
Under marine environmental forecasting data product production, transmission and management method.
Background technique
Chinese Polar investigates the effort and exploration that cause is passed through more than 30 years, investigates ability, scientific research level, logistics support etc.
All various aspects all achieve the development advanced by leaps and bounds, and be gradually dominant one seat in international polar expedition affairs, and China is
Change from big country is investigated to power is investigated.
Since being investigated first Chinese in 1984, polar region means of communication is always based on short wave communication, with satellite communication
Technology gradually develops, and Chinese Polar, which investigates station, also can gradually provide the phone of single channel and the E-mail service by flow charging.
Currently, Arctic substantially uses the 5th generation maritime satellite system (upstream bandwidth 1Mbps, downlink bandwidth 2Mbps) to be led to
Letter, while using BGAN (0.5~1Mbps of bandwidth) as back-up system, to forecasting the environment data.But to the north of 75 degree of north latitude
Region, iridium communication system are only available communication modes.Iridium communication system is as a kind of non-GMDSS communication device signal
Stablize, is not limited by terrestrial latitude, but cost is very high.
Polar research ship needs national marine environmental forecasting center to provide ice condition information and maritime meteorology during scientific investigation
Information updates a phase daily.Its ice condition is defended from AMSR-2 remote sensing satellite (resolution ratio 12.5km) and the observation of MODIS visible light
Star (resolution ratio 250m), maritime meteorology information derive from the data product of marine environmental forecasting data creating, per day data volume
It can reach 10 G.Due to during polar research ship navigates by water, network signal is unstable and frequent interruption, and bandwidth is at all insufficient
To support the network transmission of forecast data product.In view of the demand of mass data transmission, under limited means of communication, use
It is unique stable and economically viable mode that mail, which carries out transmission, this allows for the production transfer tube of conventional environmental forecasting data
Reason method needs to make this adaptation and modification, therefore also needs a kind of forecast data product under arctic communications constraint condition
Automated production, transmission and management method.
Summary of the invention
To solve the above problems, the present invention provides under a kind of communication constraint arctic marine environmental forecasting production with
Transfer management method.This method can be realized data transmission and product automation production during polar research ship navigation, real
Stablize under existing limited means of communication and economically mass data transmission and production.
To achieve the above object, technical scheme is as follows:
Arctic marine environmental forecasting production and transfer management method under a kind of communication constraint, comprising the following steps:
Service is monitored in S1, setting, in the whether incoming new data in server end timing detection designated position, is carried out to new data
Format check and repeatability verification；
S2, valid dimension and element are extracted, rejects redundant data, it is raw to carry out pretreatment operation to the data after verifying in S1
At data are simplified, the pretreatment operation includes transposition, numerical operation, space interpolation；
S3, using simplifying data described in S2, data product is constructed for different dimensions and element, by data product point
It is passed through by mail distribution to client based on the mode of satellite communication after class arrangement, compression；
S4, client mail and downloading data product, and storage processing and recording data files metadata are carried out to it
Information；
S5, client provide unified data access interface, obtain data file metadata letter by setting querying condition
Breath, and loaded and displayed corresponding data product.
Preferably, step S1 includes following sub-step:
S11, it is arranged to monitor to service in server end and ftp specified data RX path is monitored, every a timing
Between automatically turn on new data query procedure；
S12, to the data file listened to, start format check process and file format checked, avoid to being in
The TMP file of transmission state carries out faulty operation；
The data file errorless for format, transfers them to backup file, while inquiring number after S13, format investigation
According in library whether the metadata information of existing same data file；If it does not exist, then in-stockroom operation, storing data file are carried out
Metadata information.
Preferably, step S2 includes following sub-step:
S21, the data file after verifying in S1 is read, extracts the section data of different dimensions and different elements, it is described
Dimension include longitude, latitude, when time, height, the element includes temperature, wind, precipitation, air pressure, and rejecting will after redundant data
The NetCDF data file that the scale of construction is greater than first threshold is reorganized into the NetCDF data file that the scale of construction is less than second threshold；
S22, pretreatment operation is carried out, is converted including the data format to data file；By splitting data text
Part is configured to matrix form data, and performs mathematical calculations to matrix data, and the mathematical operation includes transposition and space interpolation,
Building forms reasonable format corresponding with product figure.
Preferably, step S3 includes following sub-step:
S31, the data file obtained using S2 carry out the building of data product according to different dimensions and different elements,
Obtain a series of grids and vector data product；
S32, Classification Management is carried out to data product using file management system, rule is as follows: first grade file is pressed from both sides with data
Product category classification；Second grade file folder is classified with factor type；The pre- time progress of giving the correct time that three levels of files are pressed from both sides with forecast model products
Classification is managed if containing " height " dimension with fourth stage file；
S33, the data product after taxonomic revision is compressed to packing, it is " data set name _ forecasting station that compressed package, which names format,
Point _ playing the report date _ gives the correct time secondary ", pass through mail distribution to each client by the way of satellite communication；If mail is more than the
Three threshold values, then be split it, is separately sent on mail server.
Preferably, step S4 includes following sub-step:
S41, client mail and downloading data product compressed package, repeatedly sends out after being divided for same data product
The mail sent is merged again after harvesting one group；
Compressed package, is stored in different files by S42, the type classification according to data product；
S43, storage processing is carried out to the data product of downloading, literary name section includes number (id), filename (name), file
Path (path), file type (type), download time (downloadtime), file rise and call time (filetime), is affiliated
Data set number (sourceid), the file metadata information of data product is deposited in relational database table.
Preferably, step S5 includes following sub-step:
Querying condition is arranged by FTP client FTP in S51, user, and parameter is sent to database by client, carries out data
The inquiry of product documentation metadata information；
S52, Relational DBMS are based on parameter and carry out SQL statement request, obtain corresponding satisfaction and inquire day
The metadata record of all data products of phase range, returns to client；Client loaded and displayed data query result, Yong Huxuan
It selects and takes time information and elevation information, confirmation request loads corresponding data product；
S53, FTP client FTP find the storage position of corresponding data product according to the routing information path of selected product, and
Corresponding data product figure is loaded into system, system carries out corresponding rendering load according to type and demand.
Method of the invention is able to solve polar region compared to the production transfer management method of conventional environmental forecasting data
Regional network jitter often interrupts and is not able to satisfy the problem of mass data is transmitted, and provides one kind limited
Stablize under means of communication and economically viable network transmission mode, forecast data product under arctic communications constraint condition from
Dynamicization production, transmission and management method, can provide daily ice condition information and weather information for polar research ship, be scientific investigation thing
Industry provides sound assurance.
Detailed description of the invention
Fig. 1 is to monitor service schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention into
Row is further described.
In the present embodiment, arctic marine environmental forecasting production and transfer management method under communication constraint, including with
Lower step:
Service is monitored in S1, setting, in the whether incoming new data in server end timing detection designated position, is carried out to new data
Format check and repeatability verification.As shown in Figure 1, the step includes following sub-step:
S11, it is arranged to monitor to service in server end and ftp specified data RX path is monitored, every a timing
Between automatically turn on new data query procedure；
S12, to the data file listened to, start format check process and file format checked, avoid to being in
The TMP file of transmission state carries out faulty operation；
The data file errorless for format, transfers them to backup file, while inquiring number after S13, format investigation
According in library whether the metadata information of existing same data file；If it does not exist, then in-stockroom operation, storing data file are carried out
Metadata information.
S2, valid dimension and element are extracted, rejects redundant data, it is raw to carry out pretreatment operation to the data after verifying in S1
At data are simplified, the pretreatment operation includes transposition, numerical operation, space interpolation.The step includes following sub-step:
S21, the data file after verifying in S1 is read, extracts the section data of different dimensions and different elements, it is described
Dimension include longitude, latitude, when time, height, the element includes temperature, wind, precipitation, air pressure, and rejecting will after redundant data
It is smaller (settable that the NetCDF data file of the scale of construction larger (a settable first threshold is judged) is reorganized into the scale of construction
Another second threshold is controlled) NetCDF data file；
S22, pretreatment operation is carried out, is converted including the data format to data file, such as temperature unit is to taking the photograph
Conversion, conversion of altitude information to gpm of family name's degree etc.；Data file is configured to matrix form data by splitting, and on demand
It performs mathematical calculations to matrix data, the mathematical operation includes transposition and space interpolation, and building forms corresponding with product figure
Reasonable format.
S3, using simplifying data described in S2, data product is constructed for different dimensions and element, by data product point
It is passed through by mail distribution to client based on the mode of satellite communication after class arrangement, compression.The step includes following sub-step:
S31, the data file obtained using S2 carry out the building of data product according to different dimensions and different elements,
Obtain a series of grids and vector data product；
S32, Classification Management is carried out to data product using file management system, rule is as follows: first grade file is pressed from both sides with data
Product category classification, such as: atmosphere (Wrf), sea ice (Conc)；Second grade file folder is classified with factor type, such as: temperature,
Wind-force, wind direction, air pressure, precipitation etc.；Three levels of files are pressed from both sides time is classified with pre- give the correct time of forecast model products, if containing " height " dimension
Degree, then be managed with fourth stage file；
S33, the data product after taxonomic revision is compressed to packing, it is " data set name _ forecasting station that compressed package, which names format,
Point _ playing the report date _ gives the correct time secondary ", pass through mail distribution to each client by the way of satellite communication；If mail is excessive super
Third threshold value has been crossed, then it has been split, has been separately sent on mail server.
S4, client mail and downloading data product, and storage processing, recording data files metadata letter are carried out to it
Breath.The step includes following sub-step:
S41, client mail and downloading data product compressed package, repeatedly sends out after being divided for same data product
The mail sent is merged into partial data product again after harvesting one group；
Compressed package, is stored in different files by S42, the type classification according to data product；
S43, storage processing is carried out to the data product of downloading, literary name section includes number (id), filename (name), file
Path (path), file type (type), download time (downloadtime), file rise and call time (filetime), is affiliated
Data set number (sourceid), the file metadata information of data product is deposited in relational database table.
S5, client provide unified data access interface, obtain data file metadata letter by setting querying condition
Breath, and loaded and displayed corresponding data product.The step includes following sub-step:
Querying condition is arranged by FTP client FTP in S51, user, and parameter is sent to database by client, carries out data
The inquiry of product documentation metadata information；
S52, Relational DBMS are based on parameter and carry out SQL statement request, obtain corresponding satisfaction and inquire day
The metadata record of all data products of phase range, returns to client；Client loaded and displayed data query result, Yong Huxuan
It selects and takes time information and elevation information, confirmation request loads corresponding data product；
S53, FTP client FTP find the storage position of corresponding data product according to the routing information path of selected product, and
Corresponding data product figure is loaded into system, system carries out corresponding rendering load according to type and demand.
By the above method, though arctic regions network signal is unstable, frequent interruption in the case where, still can be real
Automated production, transmission and the management of now stable and economically viable a large amount of forecast data products.
Claims (6)
1. a kind of arctic marine environmental forecasting production under communication constraint and transfer management method, it is characterised in that including with
Lower step:
Service is monitored in S1, setting, in the whether incoming new data in server end timing detection designated position, carries out format to new data
Verification and repeatability verification；
S2, valid dimension and element are extracted, rejects redundant data, pretreatment operation is carried out to the data after verifying in S1 and generates essence
Simple data, the pretreatment operation include transposition, numerical operation, space interpolation；
S3, using simplifying data described in S2, construct data product for different dimensions and element, data product classified whole
It is passed through by mail distribution to client based on the mode of satellite communication after reason, compression；
S4, client mail and downloading data product, and storage processing and recording data files metadata information are carried out to it；
S5, client provide unified data access interface, obtain data file metadata information by setting querying condition, and
Loaded and displayed corresponding data product.
2. arctic marine environmental forecasting production and transfer management side under a kind of communication constraint according to claim 1
Method, it is characterised in that the step S1 includes following sub-step:
S11, it is arranged to monitor to service in server end and ftp specified data RX path is monitored, at regular intervals certainly
It is dynamic to open new data query procedure；
S12, to the data file listened to, start format check process and file format checked, avoid in transmission
The TMP file of state carries out faulty operation；
The data file errorless for format, transfers them to backup file, while inquiring database after S13, format investigation
In whether the metadata information of existing same data file；If it does not exist, then in-stockroom operation, the member of storing data file are carried out
Data information.
3. arctic marine environmental forecasting production and transfer management side under a kind of communication constraint according to claim 1
Method, it is characterised in that the step S2 includes following sub-step:
S21, the data file after verifying in S1 is read, extracts the section data of different dimensions and different elements, the dimension
Including longitude, latitude, when time, height, the element includes temperature, wind, precipitation, air pressure, is rejected the scale of construction after redundant data
NetCDF data file greater than first threshold is reorganized into NetCDF data file of the scale of construction less than second threshold；
S22, pretreatment operation is carried out, is converted including the data format to data file；By splitting data file structure
It builds as matrix form data, and performs mathematical calculations to matrix data, the mathematical operation includes transposition and space interpolation, building
Form reasonable format corresponding with product figure.
4. arctic marine environmental forecasting production and transfer management side under a kind of communication constraint according to claim 1
Method, it is characterised in that the step S3 includes following sub-step:
S31, the data file obtained using S2 are carried out the building of data product according to different dimensions and different elements, obtained
A series of grids and vector data product；
S32, Classification Management is carried out to data product using file management system, rule is as follows: first grade file is pressed from both sides with data product
Type classification, second grade file folder are classified with factor type, and three levels of files are pressed from both sides time is classified with pre- give the correct time of forecast model products,
If containing " height " dimension, it is managed with fourth stage file；
S33, the data product after taxonomic revision is compressed to packing, it is " data set name _ forecast website _ rise that compressed package, which names format,
On the report date _ rise and give the correct time time ", pass through mail distribution to each client by the way of satellite communication；If mail is more than third threshold
Value, then be split it, be separately sent on mail server.
5. arctic marine environmental forecasting production and transfer management side under a kind of communication constraint according to claim 1
Method, it is characterised in that the step S4 includes following sub-step:
S41, client mail and downloading data product compressed package, repeatedly sends after being divided for same data product
Mail is merged again after harvesting one group；
Compressed package, is stored in different files by S42, the type classification according to data product；
S43, storage processing is carried out to the data product of downloading, the file metadata information of data product is deposited in into relationship type number
According in the table of library.
6. arctic marine environmental forecasting production and transfer management side under a kind of communication constraint according to claim 1
Method, it is characterised in that the step S5 includes following sub-step:
Querying condition is arranged by FTP client FTP in S51, user, and parameter is sent to database by client, carries out data product
The inquiry of file metadata information；
S52, Relational DBMS are based on parameter and carry out SQL statement request, and acquisition is corresponding to meet Query Dates model
The metadata record for enclosing all data products, returns to client；Client loaded and displayed data query result, user select institute
Time information and elevation information are taken, confirmation request loads corresponding data product；
S53, FTP client FTP find the storage position of corresponding data product according to the routing information of selected product, and will be corresponding
Data product figure is loaded into system, and system carries out corresponding rendering load according to type and demand.
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| CN201810576173.6A CN108959408A (en) | 2018-06-06 | 2018-06-06 | Arctic marine environmental forecasting production and transfer management method under communication constraint |
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| CN111866104A (en) * | 2020-07-08 | 2020-10-30 | 自然资源部第一海洋研究所 | A HYCOM data download method, system, computer equipment, and terminal |
| CN112446170A (en) * | 2020-11-06 | 2021-03-05 | 山东大学 | Method for establishing regional ocean bottom temperature thermal infrared remote sensing monitoring and forecasting model |
| CN113268535A (en) * | 2021-06-03 | 2021-08-17 | 青岛励图高科信息技术有限公司 | System and method for performing efficient space-time extraction on ocean forecast data |
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| CN111866104A (en) * | 2020-07-08 | 2020-10-30 | 自然资源部第一海洋研究所 | A HYCOM data download method, system, computer equipment, and terminal |
| CN111866104B (en) * | 2020-07-08 | 2021-07-30 | 自然资源部第一海洋研究所 | A HYCOM data download method, system, computer equipment, and terminal |
| CN112446170A (en) * | 2020-11-06 | 2021-03-05 | 山东大学 | Method for establishing regional ocean bottom temperature thermal infrared remote sensing monitoring and forecasting model |
| CN113268535A (en) * | 2021-06-03 | 2021-08-17 | 青岛励图高科信息技术有限公司 | System and method for performing efficient space-time extraction on ocean forecast data |
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