CN109492758A - Data forecasting procedure and system - Google Patents

Data forecasting procedure and system Download PDF

Info

Publication number
CN109492758A
CN109492758A CN201811441091.7A CN201811441091A CN109492758A CN 109492758 A CN109492758 A CN 109492758A CN 201811441091 A CN201811441091 A CN 201811441091A CN 109492758 A CN109492758 A CN 109492758A
Authority
CN
China
Prior art keywords
data
extension
observational
preset
model
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811441091.7A
Other languages
Chinese (zh)
Inventor
吴忠元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central Science And Technology Co Ltd (beijing) Technology Co Ltd
Original Assignee
Central Science And Technology Co Ltd (beijing) Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central Science And Technology Co Ltd (beijing) Technology Co Ltd filed Critical Central Science And Technology Co Ltd (beijing) Technology Co Ltd
Priority to CN201811441091.7A priority Critical patent/CN109492758A/en
Publication of CN109492758A publication Critical patent/CN109492758A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06NCOMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00Computing arrangements based on biological models
    • G06N3/02Neural networks
    • G06N3/04Architecture, e.g. interconnection topology
    • G06N3/045Combinations of networks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01WMETEOROLOGY
    • G01W1/00Meteorology
    • G01W1/10Devices for predicting weather conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Evolutionary Computation (AREA)
  • Ecology (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Data Mining & Analysis (AREA)
  • Environmental Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Atmospheric Sciences (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The present invention provides a kind of data forecasting procedure and systems, are related to the technical field of weather forecast, comprising: obtain the corresponding observational data in place to be measured, carry out Data Assimilation using preset assimilation model based on the observational data, obtain initial fields;Using preset extension model using the initial fields as input carry out data extension, the extension observational data of subsequent time is obtained;It is integrated using the extension observational data as input carry out data using preset integrated model, obtain integrated data, by carrying out Data Assimilation using preset assimilation model based on the observational data, obtain initial fields, establish the higher initial fields of precision, by using preset extension model using the initial fields as input carry out data extension, obtain the extension observational data of subsequent time, it improves and extends accuracy, by integrated using the extension observational data as input carry out data using preset integrated model, obtain integrated data, finally obtain the higher integrated data of accuracy.

Description

Data forecasting procedure and system
Technical field
The present invention relates to weather forecast technical fields, more particularly, to a kind of data forecasting procedure and system.
Background technique
With the development of the technology of weather forecast, people constantly pursued more accurate forecast and in the periods more remote Forecast, currently, traditional forecast system is to take single-mode forecasting system to calculate according to the corresponding observational data in prediction place Then initial fields input stretch system is observed Spatial Multi-Dimensional and converts to obtain extension data, but conventional method by initial fields out The initial fields precision not only obtained is low, and forecast system itself error is larger, and will not extend data and integrate.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of data forecasting procedure and system, not only with solution The initial fields precision arrived is low, and forecast system itself error is larger, and will not extend data and carry out integrated technical problem.
In a first aspect, the embodiment of the invention provides a kind of data forecasting procedures, comprising:
The corresponding observational data in place to be measured is obtained, data is carried out using preset assimilation model based on the observational data Assimilation, obtains initial fields;
Using preset extension model using the initial fields as input carry out data extension, the extension of subsequent time is obtained Observational data;
It is integrated using the extension observational data as input carry out data using preset integrated model, obtain integrated money Material.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute It states and Data Assimilation is carried out using preset assimilation model based on the observational data, obtaining initial fields includes:
The observational data is transformed into the corresponding observation space of the observational data according to Observation Operators, obtains observation number According to;
Data Assimilation is carried out using the observation data as input using preset assimilation model, obtains initial fields.
With reference to first aspect, the embodiment of the invention provides second of possible embodiment of first aspect, wherein root The observational data is transformed into the corresponding observation space of the observational data according to Observation Operators, before obtaining observation data, also Include:
The data that default observation condition is not met in the observational data are rejected, to the observational data rejected after operating Carry out deviation revision.
With reference to first aspect, the embodiment of the invention provides the third possible embodiment of first aspect, wherein institute It states using preset extension model and obtains the extension observation money of subsequent time using the initial fields as input carry out data extension Material, comprising:
Initial fields are divided into N number of rank according to image attributes, obtain ranked data corresponding to current time each rank, Wherein N is more than or equal to 1;
Using preset extension model using the ranked data of each rank as input carry out data extension, obtain down Extension observational data corresponding to one moment each rank;
Extension data corresponding to N number of rank is synthesized, the extension observational data of subsequent time is reconstructed.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiment of first aspect, wherein institute It states and initial fields is divided into N number of rank according to image attributes, obtain ranked data corresponding to current time each rank, comprising:
Obtain initial fields;
The initial fields are subjected to Wavelet image decomposition, obtain ranked data corresponding to current time each rank.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein phase It answers, it is described that extension data corresponding to N number of rank is synthesized, reconstruct the extension observational data of subsequent time, comprising:
Extension data corresponding to N number of rank is synthesized using wavelet inverse transformation, reconstructs the extension of subsequent time Observational data.
With reference to first aspect, the embodiment of the invention provides the 6th kind of possible embodiments of first aspect, wherein three A model includes: deep neural network.
With reference to first aspect, the embodiment of the invention provides the 7th kind of possible embodiment of first aspect, wherein institute The weight coefficient for stating deep neural network is to determine that the weight coefficient makes according to preset tactful neural network output result The network state Maximum Value of the deep neural network.
With reference to first aspect, the embodiment of the invention provides the 8th kind of possible embodiment of first aspect, wherein institute Stating tactful neural network includes: value assessment network and control neural network, and the value assessment network is for assessing the depth The value of the network state of neural network is spent, value that the control neural network export based on the value assessment network and in advance If adjustable strategies adjust the output result of the tactful neural network.
Second aspect, the embodiment of the present invention also provide a kind of data forecast system, comprising: Data Assimilation module, data are prolonged Stretch module and data integration module;
The Data Assimilation module is for obtaining the corresponding observational data in place to be measured, using preset Optimized model with institute Observational data is stated as input and carries out Data Assimilation, obtains initial fields;
The data extension of module is prolonged using the preset Optimized model using the initial fields as input carry out data It stretches, obtains the extension observational data of subsequent time;
The data integration module is carried out using the preset Optimized model using the extension observational data as input Data is integrated, obtains integrated data.
Include: to obtain the corresponding observational data in place to be measured in the method for the embodiment of the present invention, is based on the observational data Data Assimilation is carried out using preset assimilation model, obtains initial fields;Using preset extension model using the initial fields as Carry out data extension is inputted, the extension observational data of subsequent time is obtained;It is observed using preset integrated model with the extension Data is integrated as input carry out data, obtains integrated data, by utilizing preset assimilation model based on the observational data Data Assimilation is carried out, initial fields is obtained, establishes the higher initial fields of precision, by utilizing preset extension model with described initial Field obtains the extension observational data of subsequent time as input carry out data extension, improves and extends accuracy, default by utilizing Integrated model it is integrated using the extension observational data as input carry out data, obtain integrated data, finally obtain accuracy Higher integrated data.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is data forecasting procedure flow chart provided in an embodiment of the present invention;
Fig. 2 is step S101 implementation flow chart provided in an embodiment of the present invention;
Fig. 3 is step S102 implementation flow chart provided in an embodiment of the present invention;
Fig. 4 is data forecast system module diagram provided in an embodiment of the present invention.
Icon:
01- Data Assimilation module;02- data extension of module;03- data integration module.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one:
According to embodiments of the present invention, a kind of data forecasting procedure embodiment is provided, it should be noted that in the stream of attached drawing The step of journey illustrates can execute in a computer system such as a set of computer executable instructions, although also, flowing Logical order is shown in journey figure, but in some cases, it can be to be different from shown or described by sequence execution herein The step of.
Fig. 1 is data forecast system method according to an embodiment of the present invention, as shown in Figure 1, this method comprises the following steps:
Step S101 obtains the corresponding observational data in place to be measured, utilizes preset assimilation mould based on the observational data Type carries out Data Assimilation, obtains initial fields;
Wherein, at model, three models include: deep neural network for the assimilation model, extension model sum aggregate.It is described The weight coefficient of deep neural network is to determine that the weight coefficient makes institute according to preset tactful neural network output result State the network state Maximum Value of deep neural network.Wherein the tactful neural network includes: value assessment network and control Neural network, the value assessment network are used to assess the value of the network state of the deep neural network, the control mind The value and default adjustable strategies exported through network based on the value assessment network adjusts the output of the tactful neural network As a result.Tactful neural network is depth CNN neural network model, provides the adjustable strategies of valence deep neural network, provides depth The value estimations value of neural network adjustment evaluates the value of deep neural network adjustment.Tactful neural network is mainly By the value of value assessment network query function, the weight coefficient of percentage regulation neural network is removed.It is when being worth increase, then positive to adjust The system of whole deep neural network moves the value of the value assessment network of the extension value of deep neural network toward direction is increased It is dynamic.If value reduces, the weight coefficient of reversed percentage regulation neural network makes the value of the extension value of deep neural network The value for assessing network is mobile toward opposite direction.Control neural network removes the weight coefficient of adjustment neural network, the depth nerve made The value of network develops toward incremental direction, when the Maximum Value of value assessment network, then terminates network.The control nerve net The default adjustable strategies of network are that RNN clustered control network is sent, and the RNN clustered control network is used to comment based on the value The value of network output is estimated to the control neural network output adjustment strategy.RNN clustered control network provides a series of essence Dimension parameter is spent, provides the policing parameter of adjustable strategies to tactful neural network, RNN clustered control network model is deep using cluster RNN neural network model is spent, there is forward and reverse to adjust strategy, effectively estimated according to the value that tactful neural network model provides Evaluation, the adjustment direction of controlling depth neural network weight and bias.The embodiment of the present invention passes through training sample by setting Model after training, respectively in Typical data forecast system, assimilation step, data extend step and integrated step is changed Into, depending on the composition of specific deep neural network can be according to actual conditions, the embodiment of the present invention only provides a kind of feasible pattern, It does not limit this.
In embodiments of the present invention, the observational data includes the ambient field and image of observation place, and needs to image It is pre-processed, obtains the corresponding picture information in place to be predicted and 0,1 binaryzation data.Read control parameter file, setting Non-mode amount is converted mode amount by the operating parameters such as the assimilation time window of mode, be input in preset assimilation model into Row Data Assimilation improves the precision of the initial fields of generation.As shown in Fig. 2, it is based on step S101, it is described to be based on the observational data Data Assimilation is carried out using preset assimilation model, obtaining initial fields includes:
The observational data is transformed into the corresponding observation space of the observational data according to Observation Operators by step S201, Obtain observation data;
Step S202 carries out Data Assimilation using the observation data as input using preset assimilation model, obtains just Beginning field.
In embodiments of the present invention, the weather station observational data and moonscope data for including to observational data turn Change, atmospheric outline is transformed into the corresponding observation space of observational data according to Observation Operators, obtains the corresponding observation of observational data Conversion data.Wherein, Observation Operators use radiative transmission mode when converting to moonscope data.For picture information, The corresponding image observation operator of picture information is established, picture information is converted, according to image observation operator by atmospheric outline It is transformed into the corresponding observation space of picture information, obtains the corresponding picture conversion data of picture information.For binaryzation data, build The vertical corresponding binaryzation Observation Operators of binaryzation data, are transformed into binaryzation data for atmospheric outline according to binaryzation Observation Operators Corresponding observation space obtains the corresponding binaryzation conversion data of binaryzation data.Wherein according to Observation Operators by the observation Data is transformed into the corresponding observation space of the observational data, obtains observing before data, further includes:
The data that default observation condition is not met in the observational data are rejected, to the observational data rejected after operating Carry out deviation revision.
In embodiments of the present invention, the purpose of revision is to carry out data sieve to picture information and binaryzation data Choosing.Above-mentioned default observation condition is that data format meets observation format, and climate state is without departing from preset climate state range, Also to meet horizontal and vertical continuity requirement, and be located within assimilation time window.It is not met in rejecting observational data default When the data of observation condition, Data selection is carried out to original weather station observational data and moonscope data, when filtering out assimilation Between Shock absorption effect in window, the method step includes: climate state extreme value range validity check, from observation data It is middle to reject the abnormal point deviateed other than Climatological pre-determined distance;Format and logical check reject in observational data and illegally observe lattice Formula data reject missing point present in observational data;Horizontal and vertical continuity check will not be met continuous in observational data Property require point deletion;The not data in assimilation time window in observational data is rejected in time consistency inspection, specifically used Image processing algorithm can be according to actual conditions depending on, which is not limited by the present invention.
Step S102 is obtained next using preset extension model using the initial fields as input carry out data extension The extension observational data at moment;
In embodiments of the present invention, using preset extension model, the weight system of model can specifically be extended by configuring System, which extends, obtains the extension data under residual error minimum, is based ultimately upon the extension observation chart that extension data reconstructs subsequent time As data, improves and extend accuracy.Based on step S102, as shown in figure 3, being made using preset extension model with the initial fields To input carry out data extension, the extension observational data of subsequent time is obtained, comprising:
Initial fields are divided into N number of rank according to image attributes, obtained corresponding to current time each rank by step S301 Ranked data, wherein N is more than or equal to 1;
In embodiments of the present invention, original observed image data may include: that satellite data, Radar Data and automatic Weather Station are seen Survey data etc..Image attributes can be down to image resolution ratio or graphical rule etc..
Step S302 is prolonged using preset extension model using the ranked data of each rank as input carry out data It stretches, obtains extension observational data corresponding to each rank of subsequent time;
In embodiments of the present invention, the model that extends is using the weight coefficient of preset tactful neural network output as defeated Enter, the weight coefficient makes the network state Maximum Value for extending model, in embodiments of the present invention, the network state Value is after the error update of deep neural network, and the state of deep neural network can change, and value network can be according to depth The state of degree neural network is evaluated, and to a value estimations value of the state of deep neural network out, is equivalent to depth The negative feedback mechanism of neural network, in addition, perhaps this state is positive, be may is that when system meeting generating state changes It is reversed, can be evaluated by value network come.If it is forward direction, note that intensified learning is adjusted according to direction. Otherwise note that intensified learning according to reversely having adjusted.The adjustable strategies of the network state value, most with final output model For the purpose of the figure of merit, such as in numerical weather forecasting field, the image obtained in forecast data including various ways is inputted, by big Gas neural network model exports the highest integrated data of accuracy, it may be said that the network state valence of the atmosphere neural network model Value is maximum;Extend the state estimation that model is used to save the classification image document of each rank.Extend model and passes through a depth A neural network for spending neural network classification (a certain rank) image, by certain strategy come percentage regulation neural network Weight coefficient, the best estimate of (a certain rank) image is classified, as classification (certain level-one under a certain resolution ratio Clear image not).Deep neural network describes the state of atmosphere using full connection type, is adjusted by weight and bias Weight, extension obtain the image under a certain rank.
Step S303 synthesizes extension data corresponding to N number of rank, reconstructs the extension observation money of subsequent time Material.
The embodiment of the present invention is worked as by the way that original observed image data is divided into N number of rank according to image attributes first Then classification image document corresponding to preceding moment each rank utilizes institute of the preset deep neural network based on each rank It states classification image document to be extended, obtains extension data corresponding to each rank of subsequent time, it finally can be to N number of rank Corresponding extension data carries out image synthesis, reconstructs the extension observed image data of subsequent time.Extended model can be with It is atmospheric depth neural network, such as: the embodiment of the present invention can be using deep neural network based on described in each rank points Grade image document is extended, and extension data corresponding to each rank of subsequent time is obtained, due to the deep neural network Using the weight coefficient of preset tactful neural network output as input, the weight coefficient can make the deep neural network Network state Maximum Value, the embodiment of the present invention can using make deep neural network network state Maximum Value weight Coefficient configurable deep neural network, and provided using extending to obtain the extension under residual error minimum with the deep neural network postponed Material is based ultimately upon the extension observed image data that extension data reconstructs subsequent time, improves and extends accuracy.Based on step S301, the embodiment of the invention also provides a kind of feasible patterns, and initial fields are divided into N number of rank according to image attributes, are worked as Ranked data corresponding to preceding moment each rank, comprising: obtain initial fields;The initial fields are subjected to Wavelet image decomposition, Obtain ranked data corresponding to current time each rank.
Wherein, Wavelet image decomposition method can provide the small echo classification image of different resolution or different scale, will divide The small echo of different resolution or different scale after solution is classified image, the different stage image after decomposing as Wavelet image.
Correspondingly, it is based on step S303, and it is described that extension data corresponding to N number of rank is synthesized, it reconstructs next The extension observational data at moment, comprising: extension data corresponding to N number of rank is synthesized using wavelet inverse transformation, is reconstructed The extension observational data of subsequent time out.
In this step, can use the inverse transformations such as wavelet inverse transformation mode to extension data corresponding to N number of rank into The synthesis of row image, reconstructs the extension observed image data of subsequent time, the extension observed image data of subsequent time can be with structure At a clear image.
Step S103, it is integrated using the extension observational data as input carry out data using preset integrated model, it obtains To integrated data.
In embodiments of the present invention, it is input in preset integrated model by the way that observational data will be extended, instead of traditional Single integrated approach, a variety of extensions observation money is integrated, and pass through the multi-mode weight proportion function of integrated model, final To the higher integrated data of accuracy.
Embodiment two:
The embodiment of the invention also provides a kind of data forecast system, data forecast system is mainly used for executing of the invention real Data forecasting procedure provided by an above content is applied, specific Jie is done to data forecast system provided in an embodiment of the present invention below It continues.
Fig. 4 is a kind of schematic diagram of data forecast system according to an embodiment of the present invention, as shown in figure 4, the data is forecast System specifically includes that Data Assimilation module 01, data extension of module 02 and data integration module 03;
The Data Assimilation module 01 for obtaining the corresponding observational data in place to be measured, using preset Optimized model with The observational data carries out Data Assimilation as input, obtains initial fields;
The data extension of module 02 is using the preset Optimized model using the initial fields as input carry out data Extend, obtains the extension observational data of subsequent time;
The data integration module 03 using the preset Optimized model using the extension observational data as input into Row data is integrated, obtains integrated data.
The technical effect and preceding method embodiment phase of system provided by the embodiment of the present invention, realization principle and generation Together, to briefly describe, system embodiment part does not refer to place, can refer to corresponding contents in preceding method embodiment.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.System embodiment described above is only schematical, for example, the division of the unit, Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words The form of product embodies, which is stored in a storage medium, including some instructions use so that One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read- Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with Store the medium of program code.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light It is readily conceivable that variation or equivalent replacement of some of the technical features;And these modifications, variation or replacement, do not make The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. a kind of data forecasting procedure characterized by comprising
The corresponding observational data in place to be measured is obtained, it is same using preset assimilation model progress data based on the observational data Change, obtains initial fields;
Using preset extension model using the initial fields as input carry out data extension, the extension observation of subsequent time is obtained Data;
It is integrated using the extension observational data as input carry out data using preset integrated model, obtain integrated data.
2. data forecasting procedure according to claim 1, which is characterized in that described utilized based on the observational data is preset Assimilation model carry out Data Assimilation, obtaining initial fields includes:
The observational data is transformed into the corresponding observation space of the observational data according to Observation Operators, obtains observation data;
Data Assimilation is carried out using the observation data as input using preset assimilation model, obtains initial fields.
3. data forecasting procedure according to claim 2, which is characterized in that turned the observational data according to Observation Operators Change observation space corresponding to the observational data, obtain observing before data, further includes:
The data for not meeting default observation condition in the observational data are rejected, the observational data rejected after operating is carried out Deviation revision.
4. data forecasting procedure according to claim 1, which is characterized in that described to utilize preset extension model with described Initial fields obtain the extension observational data of subsequent time as input carry out data extension, comprising:
Initial fields are divided into N number of rank according to image attributes, obtain ranked data corresponding to current time each rank, wherein N is more than or equal to 1;
Using preset extension model using the ranked data of each rank as input carry out data extension, lower a period of time is obtained Carve extension observational data corresponding to each rank;
Extension data corresponding to N number of rank is synthesized, the extension observational data of subsequent time is reconstructed.
5. data forecasting procedure according to claim 4, which is characterized in that described to be divided into initial fields according to image attributes N number of rank obtains ranked data corresponding to current time each rank, comprising:
Obtain initial fields;
The initial fields are subjected to Wavelet image decomposition, obtain ranked data corresponding to current time each rank.
6. data forecasting procedure according to claim 5, which is characterized in that correspondingly, described to corresponding to N number of rank Extension data is synthesized, and the extension observational data of subsequent time is reconstructed, comprising:
Extension data corresponding to N number of rank is synthesized using wavelet inverse transformation, reconstructs the extension observation of subsequent time Data.
7. data forecasting procedure according to claim 1, which is characterized in that three models include: deep neural network.
8. data forecasting procedure according to claim 7, which is characterized in that the weight coefficient of the deep neural network is It is determined according to preset tactful neural network output result, the weight coefficient makes the network state of the deep neural network Maximum Value.
9. data forecasting procedure according to claim 8, which is characterized in that the strategy neural network includes: that value is commented Estimate network and control neural network, the value assessment network is used to assess the valence of the network state of the deep neural network Value, value and the adjustment of default the adjustable strategies strategy that the control neural network export based on the value assessment network are refreshing Output result through network.
10. a kind of data forecast system characterized by comprising Data Assimilation module, data extension of module and data integrate mould Block;
The Data Assimilation module is for obtaining the corresponding observational data in place to be measured, using preset Optimized model with the sight Survey data carries out Data Assimilation as input, obtains initial fields;
The data extension of module, using the initial fields as input carry out data extension, is obtained using the preset Optimized model To the extension observational data of subsequent time;
The data integration module is using the preset Optimized model using the extension observational data as input carry out data It is integrated, obtain integrated data.
CN201811441091.7A 2018-11-28 2018-11-28 Data forecasting procedure and system Pending CN109492758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811441091.7A CN109492758A (en) 2018-11-28 2018-11-28 Data forecasting procedure and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811441091.7A CN109492758A (en) 2018-11-28 2018-11-28 Data forecasting procedure and system

Publications (1)

Publication Number Publication Date
CN109492758A true CN109492758A (en) 2019-03-19

Family

ID=65698552

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811441091.7A Pending CN109492758A (en) 2018-11-28 2018-11-28 Data forecasting procedure and system

Country Status (1)

Country Link
CN (1) CN109492758A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105976020A (en) * 2016-04-28 2016-09-28 华北电力大学 Network flow prediction method considering wavelet cross-layer correlations
CN106371155A (en) * 2016-08-25 2017-02-01 华南师范大学 A weather forecast method and system based on big data and analysis fields
CN106597574A (en) * 2016-12-30 2017-04-26 重庆邮电大学 Weather temperature prediction method and device based on time-varying cloud model
CN106960253A (en) * 2017-03-10 2017-07-18 国网浙江省电力公司经济技术研究院 A kind of regional middle-term electricity demand forecasting method for considering great social activities influence
CN108182492A (en) * 2017-12-29 2018-06-19 中科赛诺(北京)科技有限公司 A kind of Data Assimilation method and device
CN108763865A (en) * 2018-05-21 2018-11-06 成都信息工程大学 A kind of integrated learning approach of prediction DNA protein binding sites

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105976020A (en) * 2016-04-28 2016-09-28 华北电力大学 Network flow prediction method considering wavelet cross-layer correlations
CN106371155A (en) * 2016-08-25 2017-02-01 华南师范大学 A weather forecast method and system based on big data and analysis fields
CN106597574A (en) * 2016-12-30 2017-04-26 重庆邮电大学 Weather temperature prediction method and device based on time-varying cloud model
CN106960253A (en) * 2017-03-10 2017-07-18 国网浙江省电力公司经济技术研究院 A kind of regional middle-term electricity demand forecasting method for considering great social activities influence
CN108182492A (en) * 2017-12-29 2018-06-19 中科赛诺(北京)科技有限公司 A kind of Data Assimilation method and device
CN108763865A (en) * 2018-05-21 2018-11-06 成都信息工程大学 A kind of integrated learning approach of prediction DNA protein binding sites

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
丁红 等: ""小波变换集遗传算法神经网络的径流预测建模"", 《广西大学学报:自然科学版》 *

Similar Documents

Publication Publication Date Title
DE112020003136T5 (en) Method for generating a lane change decision model, method and device for lane change decision of an unmanned vehicle
Roodposhti et al. Towards automatic calibration of neighbourhood influence in cellular automata land-use models
DE112020003498T5 (en) GENERATION OF TRAINING AND VALIDATION DATA FOR MACHINE LEARNING
JP6859577B2 (en) Learning methods, learning programs, learning devices and learning systems
Diniz et al. Mapping future changes in livelihood security and environmental sustainability based on perceptions of small farmers in the Brazilian Amazon
Sharma Designing and modeling fuzzy control Systems
CN109711401A (en) A kind of Method for text detection in natural scene image based on Faster Rcnn
Paletta et al. Convolutional neural networks applied to sky images for short-term solar irradiance forecasting
Li et al. Faster algorithm and sharper analysis for constrained Markov decision process
Baležentis et al. MULTIMOORA-IFN: A MCDM METHOD BASED ON INTUITIONISTIC FUZZY NUMBER FOR PERFORMANCE MANAGEMENT.
CN107808167A (en) A kind of method that complete convolutional network based on deformable segment carries out target detection
DE102021207269A1 (en) METHOD AND SYSTEM FOR LEARNING PERTURBATION QUANTITIES IN MACHINE LEARNING
Chen et al. Optimal structural policies for ambiguity and risk averse inventory and pricing models
CN108073978A (en) A kind of constructive method of the ultra-deep learning model of artificial intelligence
WO2023057362A1 (en) Structure detection for optimizing the use of resources in physical systems
CN109492758A (en) Data forecasting procedure and system
JP7287490B2 (en) LEARNING DEVICE, LEARNING METHOD, AND PROGRAM
DE102021200348A1 (en) COMPUTER-IMPLEMENTED METHOD OF TRAINING A COMPUTER VISION MODEL
CN116324523A (en) Turbulence prediction system and turbulence prediction method
CN108073985A (en) A kind of importing ultra-deep study method for voice recognition of artificial intelligence
CN114255392B (en) Nitrogen dioxide concentration prediction system based on satellite hyperspectral remote sensing and artificial intelligence
Stephanopoulos et al. Multi-scale aspects in model-predictive control
DE112015005501T5 (en) Aging profile forming machine for physical systems
CN109492757A (en) Data integrates method and device
Martínez-Arellano et al. Characterisation of large changes in wind power for the day-ahead market using a fuzzy logic approach

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190319