CN115879739B - Satellite remote sensing data resource customization service method and system - Google Patents
Satellite remote sensing data resource customization service method and system Download PDFInfo
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Abstract
The invention relates to a satellite remote sensing data resource customization service method and system, and belongs to the technical field of satellite remote sensing. Constructing a satellite resource system based on the virtual constellation, matching corresponding data resources according to requirements, and performing intelligent orbit analysis based on the virtual constellation to match the satellite resources when the satellite is required to acquire data; order docking is carried out on the matched satellite resources, task management resources can be carried out in an inclusion mode, and dynamic networking adjustment is carried out according to feedback; executing satellite data acquisition and data processing tasks, importing data achievements into a data and application resource pool, and authorizing data and application; the requiring party receives, views and downloads the authorization data and authorizes the resource application; and (5) order settlement. The invention can realize the high-efficiency matching of the demand and the resource and realize the integrated management from satellite data acquisition and processing to business application.
Description
Technical Field
The invention relates to a service method and a system for satellite remote sensing data resources, in particular to a service method and a system for customizing satellite remote sensing data resources, and belongs to the technical field of satellite remote sensing.
Background
The development of the aerospace information industry promotes satellite remote sensing to become an indispensable data source and technical support, and is widely applied to business scenes such as resource investigation, disaster assessment, planning construction, supervision law enforcement and the like. Along with the continuous improvement of space-time resolution, the application scene is more and more abundant, the market demand is vigorous, the rapid growth is entered, a great number of blank fields exist to be developed urgently, and the demands on timeliness, usability and sustainability of remote sensing data are more and more urgent.
At present, an industry barrier exists between satellite remote sensing and business application, a resource service mode is relatively lagged, data flow and business flow are separated, an integrated supply and demand docking and service channel is lacked, resource docking is inflexible, a business remote sensing application technology system is immature, collaborative development power is insufficient, and the increasing remote sensing business application requirements cannot be met. Especially in the aspect of scene application customized service, the adaptability is not strong, the intermediate links are more, the period is long, satellite resources cannot be fully and effectively utilized, the data delivery is also mostly carried out in an off-line or FTP mode, flexible configuration is not realized, the data and the application are separated, and the service process cannot be effectively tracked.
From the perspective of improving satellite remote sensing service capability and promoting application development, a satellite resource integration, an innovative service mode, data timeliness and comprehensive service capability, remote sensing space information service level and deep fusion and collaborative development of satellite remote sensing data resources, a technical system and a business system are needed to be realized.
Disclosure of Invention
The invention aims to overcome the defects and provide a satellite remote sensing data resource customization service method and system.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a satellite remote sensing data resource customizing service method comprises the following steps:
(1) Each satellite resource unit carries out satellite source registration and satellite source maintenance on satellite resources to form a satellite resource system to construct a virtual constellation, and the orbit information and service information of the satellites are registered to form a satellite service capability file;
(2) Establishing a data and application resource pool, receiving and storing data acquired by the virtual constellation, and registering and managing data resources and application resources;
(3) The demand party selects data service or/and application service according to own demand and issues corresponding demand;
(4) Firstly matching corresponding data resources from the data and application resource pools according to requirements, and entering a step (7) with matching; if the current data and the application resource pool have no matched data resources and the satellite is required to acquire the data, intelligent orbit analysis is carried out based on the virtual constellation, and proper satellite resources are matched according to the required data type, area and time frequency requirements;
(5) Performing order butt joint on matched satellite resources, feeding back whether the order task can be executed or not by a satellite resource unit according to task execution content and satellite running state conditions, and carrying out dynamic networking according to feedback by the satellite resource unit, wherein the task management resources can be executed and incorporated;
(6) According to the finally determined networking satellite, data acquisition and processing orders are issued to relevant resource units of the networking satellite, the relevant units execute satellite data acquisition and data processing tasks according to order content, and data achievements are imported into data and application resource pools;
(7) The related resource units carry out data authorization on the imported data and the data result of the application resource pool;
(8) The method comprises the steps that a demand party receives, views and downloads authorization data on a workbench and authorizes resource application;
(9) And performing order settlement according to the order content, the resource usage amount and the determined settlement rules.
The method further comprises the step of utilizing a satellite-data-application model established based on satellite resources, data achievements and business applications according to requirements in the step (4), comprehensively evaluating service capacity and business requirements according to the model, carrying out resource and requirement matching, and providing intelligent resource recommendation.
In the method, the application service in the step (3) can be synchronously expanded to the data service to generate the associated order. The association order is the association of the data and the application, the data authorization is associated with the application authorization, the data is authorized to the application, and the application automatically acquires and calls the data after the data is updated.
The method further comprises a quality inspection step, wherein in the step (6), quality inspection/supervision unit services with qualification of a third party can be provided, and a platform with a quality inspection tool can realize quality inspection through an automatic program, and quality inspection results report.
A satellite remote sensing data resource customization service system comprises a virtual constellation and a management system thereof, a remote sensing data and application resource pool and a remote sensing data resource customization and service platform;
the virtual constellation is a satellite resource system, the virtual constellation realizes unified management through a virtual constellation management system, and the virtual constellation management system is used for carrying out satellite source registration and satellite source maintenance on satellite resources by each satellite resource unit, and registering orbit information and service information of satellites to form a satellite service capability file; performing orbit analysis based on a virtual constellation when the satellite is required to acquire data, matching proper satellite resources according to the required data type, region and time frequency requirements, performing order docking for the matched satellite resources, performing dynamic networking according to feedback conditions, and performing task management by a networking resource unit according to order tasks;
the remote sensing data and application resource pool comprises a data resource pool and an application resource pool, and is used for receiving and storing data acquired by the virtual constellation and registering and managing the data resources and the application resources;
the remote sensing data resource customization and service platform comprises a service market, a workbench and a platform operation and maintenance management module, provides supply and demand docking and platform service functions and is used for: the demand side selects a service project, issues the demand and confirms an order according to the demand at the workbench, receives, checks and downloads the authorization data and authorizes resource application, the resource side performs resource service capability and maintenance management of resources, and the platform management side provides registration auditing, contract management, order tracking management and order settlement management services.
The satellite resource system comprises satellite resources and platform resources, wherein the satellite resources refer to resources which can directly converse with satellites, task instructions are directly issued to the satellites through a scheduling interface, the platform resources refer to resources which cannot directly converse with the satellites, and the task instructions are issued through docking the satellite resources through a transit platform.
The main functional modules of the virtual constellation management system comprise star source registration, star source maintenance, track analysis, dynamic networking, order docking and task management, and the specific roles of the modules are as follows:
star source registration: the satellite resource unit registers the satellite resource through protocol authorization to construct a satellite resource directory; the registration content comprises satellite names, operation/management units, emission dates, service years, orbit parameters, sensor parameters, scheduling interfaces (corresponding to satellite resources and capable of directly scheduling tasks), platform interfaces (docking platform resources and scheduling tasks), data interfaces and the like, so as to form a satellite service capability file;
star source maintenance: dynamically maintaining a satellite resource directory by a satellite resource unit, dynamically revising the satellite source registration content according to the actual running condition of the satellite, and recording a revision history by a system;
track analysis: simulating a satellite orbit according to satellite orbit parameter information, recording an observation service range (comprising time and space range), dynamically analyzing and calculating satellite transit conditions (comprising transit time, transit frequency, satellite attitude and the like), and analyzing whether satellite observation requirements of specific time and specific space can be met;
dynamic networking: satellite resources are dynamically called according to requirements to carry out networking observation, and the satellite resources can be dynamically adjusted according to satellite states and task load conditions so as to ensure service stability;
order docking: the transaction orders are docked, order resource matching is carried out, and satellite tasks are formed;
and (3) task management: tracking task progress, configuring task related parameters, butting a data resource pool, and receiving, storing and managing satellite remote sensing monitoring data.
The data resource pool is mainly managed through a data receiving, data warehouse and data order function module, and provides corresponding data content service according to order demands; the application resource pool is mainly managed through application registration, an application warehouse and an application order function module, and provides application and data service contents according to order demands; wherein, the liquid crystal display device comprises a liquid crystal display device,
and (3) data receiving: the function of inputting data into a resource pool according to catalogues, themes, orders and the like is realized, and the receiving of satellite observation data and the uploading management of thematic result data are realized;
data warehouse: the method realizes the classified storage management of the data resources, carries out catalog coding management on the data according to the management rules, is convenient to search and call, and the classified storage management data comprises satellite observation data, processing data, thematic information data, fusion application data and the like, and has the data resource type expansion capability;
data order: receiving and authorizing the data according to the order, wherein the authorized user and application program can use the data in the authorization range;
application registration: registering the application resource to an application resource pool for retrieval and calling;
application warehouse: managing the registered application resources, including application resource upgrading, starting, stopping, publishing, withdrawing and data configuration operations;
application order: the application resource is authorized according to the order, and the authorized user can use the application resource in the authorized range.
The application resource pool can be associated with the data resource pool according to the need to provide business, scene and integrated data and application services. And the association order is created, so that the association of the data and the application is realized, the data is authorized to the application, and the application automatically acquires and calls the data after the data is updated.
The remote sensing data resource customization and service platform comprises three modules of a service market, a workbench and platform operation and maintenance management,
the service market mainly comprises data market, application market, ecological laboratory and other service projects; the workbench provides support for service processes, tracks and manages service processes and results, and the platform operation and maintenance management can also provide intelligent services such as intelligent reminding, intelligent recommendation and the like.
Among the service markets, the data market: providing data service docking to generate a data service order;
application market: providing application service docking, generating an application service order, and synchronously expanding a data service order;
ecological laboratory: the method is oriented to immature technology and application, an experiment platform, an experiment scene and experiment data are provided, any one party in an ecological system can initiate ecological experiment tasks, related users participate in the tasks, and multiple parties cooperate to promote technical progress.
The workbench adopts a cloud desktop mode to integrate data and applications and provide integrated services, and main functional units comprise My data, my applications, my experiments and My orders;
my data: the cloud desktop comprises data managed by the user and data purchased by the user, provides data service according to order content, and provides data service application to support operations such as data loading, query, browsing and downloading;
my application: the method comprises the steps of managing the application, purchasing the application, providing the application and data integration service, opening the application authority according to the order content, and providing the technical support of the application service by a resource party;
my experiment: the method comprises the steps of initiating experiments by me and participating in the experiments by me, and aiming at ecological task cooperation requirements, each party participating in the ecological experiments can perform ecological cooperation according to respective resources;
my order: dynamically inquiring and tracking the order state, and performing order settlement confirmation operation.
The platform operation and maintenance management module faces to a platform management side and has functional units of registration management, authorization management, order management, settlement management, model management, intelligent service, statistical analysis and the like.
Registration management: the user registration management, wherein the user integrally covers four types of users, namely a resource party, a demand party, a management party and a supervision party, the platform supports the registration of unit users and individual users, the platform is responsible for registering and checking various users, the checking and supervision are convenient, and the platform adopts real-name management;
and (3) authorization management: the platform performs service module authorization according to the user roles and the registration information;
order management: order generation and tracking management are realized, and related agreements, contracts and the like are managed;
and (3) settlement management: setting a settlement account and settlement conditions, and performing settlement management on the order according to settlement rules;
model management: the models comprise a satellite-data-application association model, a data resource management model, an intelligent reminding model, an intelligent contract model and the like, so as to support the platform to provide intelligent services;
intelligent service: providing intelligent services such as intelligent contract, intelligent reminding, intelligent recommendation and the like;
statistical analysis: and carrying out data statistical analysis, such as resource statistical analysis, user statistical analysis, transaction statistical analysis, application statistical analysis and the like, according to the management attention index.
The beneficial effects of the invention are as follows:
(1) The invention provides satellite remote sensing data resource service driven by 'demand and resource' based on a virtual satellite constellation, is customized according to the demand, realizes efficient matching of the demand and the resource through resource matching such as orbit analysis and order docking and dynamic adjustment, and provides convenient, efficient, safe and reliable service for both supply and demand sides through integrating satellite resources, data resources, technical resources and business resources.
(2) The invention provides the application service, the application resource can establish the association with the data resource according to the need, and provides the business, scene and integrated data and application service, thereby realizing the integrated management from satellite data acquisition and processing to business application, being beneficial to the construction of an integrated industrial ecological system for obstetrical and research, and realizing the high-timeliness, high-availability, high-duration service and ecological collaboration of remote sensing data.
(3) The intelligent recommendation method and the intelligent recommendation system can realize intelligent recommendation function, can match requirements and resources according to the model system, and can conduct intelligent recommendation according to the matching result.
(4) The invention properly introduces the supervision steps of quality inspection and the like, and further ensures the quality of the service system.
The invention improves the satellite remote sensing space information service level on the whole, promotes the deep fusion and collaborative development of a satellite remote sensing data system, a technical system and a business system, constructs the industry ecology and realizes the industry interconnection.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
fig. 2 is a schematic diagram of the system of the present invention.
Detailed Description
The invention is further illustrated below in conjunction with the detailed description and examples.
A satellite remote sensing data resource customizing service method, as shown in figure 1, comprises the following steps:
(1) Each satellite resource unit carries out satellite source registration and satellite source maintenance on satellite resources to form a satellite resource system to construct a virtual constellation, and the orbit information and service information of the satellites are registered to form a satellite service capability file;
(2) Establishing a data and application resource pool, receiving and storing data acquired by the virtual constellation, and registering and managing data resources and application resources;
(3) The demand party selects data service or/and application service according to own demand and issues corresponding demand;
(4) Firstly matching corresponding data resources from the data and application resource pools according to requirements, and entering a step (7) with matching; if the current data and the application resource pool have no matched data resources and the satellite is required to acquire the data, intelligent orbit analysis is carried out based on the virtual constellation, and proper satellite resources are matched according to the required data type, area and time frequency requirements;
(5) Performing order butt joint on matched satellite resources, feeding back whether the order task can be executed or not by a satellite resource unit according to conditions such as task execution, satellite running state and the like, and dynamically networking by incorporating task management resources which can be executed;
(6) According to the finally determined networking satellite, data acquisition and processing orders are issued to relevant satellite resource units, the relevant units execute satellite data acquisition and data processing tasks according to order content, and data achievements are imported into data and application resource pools;
(7) The related resource units carry out data authorization on the imported data and the data result of the application resource pool;
(8) The method comprises the steps that a demand party receives, views and downloads authorization data on a workbench and authorizes resource application;
(9) And performing order settlement according to the order content, the resource usage amount and the determined settlement rules.
Examples
A satellite remote sensing data resource customization service system comprises a virtual constellation and a management system thereof, a remote sensing data and application resource pool and a remote sensing data resource customization and service platform (shown in figure 2).
The virtual constellation is a satellite resource system, is a data source guarantee for realizing satellite remote sensing data customization service, is managed by integrating satellite resources and platform resources and adopting the modes of interface adaptation and special line butt joint, and has the capability of dynamic expansion. The satellite resource refers to a resource which can directly converse with the satellite, a task instruction is directly issued to the satellite through a scheduling interface, the platform resource refers to a resource which cannot directly converse with the satellite, and the task instruction is issued through the docking of the satellite resource by the transfer platform. The virtual constellation realizes unified management through a virtual constellation management system, and main functional modules of the virtual constellation management system comprise star source registration, star source maintenance, track analysis, dynamic networking, order docking and task management, wherein the specific functions of each module are described as follows:
star source registration: the satellite resource unit registers the satellite resource through protocol authorization to construct a satellite resource directory; the registration content comprises satellite names, operation/management units, emission dates, service years, orbit parameters, sensor parameters, scheduling interfaces (corresponding to satellite resources and capable of directly scheduling tasks), platform interfaces (docking platform resources and scheduling tasks), data interfaces and the like, so as to form a satellite service capability file;
star source maintenance: dynamically maintaining a satellite resource directory by a satellite resource unit, dynamically revising the satellite source registration content according to the actual running condition of the satellite, and recording a revision history by a system;
track analysis: simulating a satellite orbit according to satellite orbit parameter information, recording an observation service range (comprising time and space ranges), performing transit analysis, frequency analysis and task conflict analysis, dynamically analyzing and calculating satellite transit conditions, and analyzing whether satellite observation requirements of specific time and specific space can be met;
dynamic networking: satellite resources are dynamically called according to requirements to carry out networking observation, and the satellite resources can be dynamically adjusted according to satellite states and task load conditions so as to ensure service stability; for example, in the execution process of an order task, a satellite resource is abnormal or has an emergency task, and other satellite resources can be called for networking;
order docking: the transaction orders are docked, order resource matching is carried out, and satellite tasks are formed;
and (3) task management: tracking task progress, configuring task related parameters, butting a data resource pool, and receiving, storing and managing satellite remote sensing monitoring data.
Remote sensing data and application resource pools, which provide management functions of the data resource pools and the application resource pools and provide data and application security guarantee by means of high-performance storage, calculation and I/O remote sensing cloud service infrastructures. The remote sensing data and application resource pool comprises a data resource pool and an application resource pool.
The data resource pool is mainly managed through a data receiving, data warehouse and data order function module, and provides corresponding data content service according to order demands. The data resource pool is in butt joint with satellite resource units of a virtual constellation and is managed in a special line transmission and data synchronization mode. The data receiving is to realize the function of inputting the data into the resource pool according to the catalogue, thematic, order form and other modes, and realize the receiving of satellite observation data and the uploading management of thematic result data. Data warehouse: the method realizes the classified storage management of the data resources, carries out catalog coding management on the data according to the management rules, is convenient to search and call, and the classified data comprise satellite observation data, processing data, thematic information data, fusion application data and the like, and has the data resource type expansion capability. Data order: the data is received and authorized according to the order, and authorized users and applications can use the data within the scope of the authorization.
The application resource pool is mainly managed through application registration, an application warehouse and an application order function module, and provides application and data service contents according to order demands. Application registration: and registering the application resource into an application resource pool for retrieval and calling. Application warehouse: the registered application resources are managed, including operations such as application resource upgrading, enabling, disabling, publishing, withdrawing, data configuration and the like. Application order: the application resource is authorized according to the order, and the authorized user can use the application resource in the authorized range. The application resource can establish the association with the data resource according to the need, and provide business, scene and integrated data and application services.
The remote sensing data resource customizing and service platform is used as a portal of satellite remote sensing data customizing service, and comprises three modules, namely a service market, a workbench and platform operation and maintenance management, and provides functions of supply and demand docking, platform service support and the like for both supply and demand parties and platform management parties.
The service market mainly comprises a data market, an application market, an ecological laboratory and other projects, wherein the data market is as follows: providing data service docking to generate a data service order;
application market: providing application service docking, generating an application service order, and synchronously expanding a data service order;
ecological laboratory: the method is oriented to immature technology and application, an experiment platform, an experiment scene and experiment data are provided, any one party in an ecological system can initiate ecological experiment tasks, related users participate in the tasks, and multiple parties cooperate to promote technical progress.
The workbench provides support for service processes, the system adopts a cloud desktop mode to integrate data and applications, and provides integrated services, and main functions comprise My data, my applications, my experiments and My orders;
wherein my data: the cloud desktop comprises data managed by the user and data purchased by the user, provides data service according to order content, and provides data service application to support operations such as data loading, query, browsing and downloading;
my application: the method comprises the steps of managing the application, purchasing the application, providing the application and data integration service, opening the application authority according to the order content, and providing the technical support of the application service by a resource party;
my experiment: the method comprises the steps of initiating experiments by me and participating in the experiments by me, and aiming at ecological task cooperation requirements, each party participating in the ecological experiments can perform ecological cooperation according to respective resources;
my order: dynamically inquiring and tracking the order state, and performing order settlement confirmation operation.
The platform operation and maintenance management module faces to a platform management side and has functional units of registration management, authorization management, order management, settlement management, model management, intelligent service, statistical analysis and the like;
wherein registration management: the user registration management, wherein the user integrally covers four types of users, namely a resource party, a demand party, a management party and a supervision party, the platform supports the registration of unit users and individual users, the platform is responsible for registering and checking various users, the checking and supervision are convenient, and the platform adopts real-name management;
and (3) authorization management: the platform performs service module authorization according to the user roles and the registration information;
order management: order generation and tracking management are realized, and related agreements, contracts and the like are managed;
and (3) settlement management: setting a settlement account and settlement conditions, and performing settlement management on the order according to settlement rules;
model management: the models comprise a satellite-data-application association model, a data resource management model, an intelligent reminding model, an intelligent contract model and the like, so as to support the platform to provide intelligent services;
intelligent service: providing intelligent services such as intelligent contract, intelligent reminding, intelligent recommendation and the like;
statistical analysis: and carrying out a number of statistical analyses, such as resource statistical analysis, user statistical analysis, transaction statistical analysis, application statistical analysis and the like, according to the management attention index.
The system provides a scene service, establishes a satellite-data-application model, effectively connects satellite resources, data achievements and business applications in series, provides intelligent recommendation service, and forms an industry chain through resource integration.
Taking river and lake remote sensing monitoring as an example, the resource service process is described as follows:
the river and lake remote sensing monitoring can provide data result service and informatization service according to the information base of the demand user, when the user has a river and lake remote sensing monitoring platform, only data (result) service can be selected, and when the user does not have the river and lake remote sensing monitoring platform, data+application service can be selected.
The system establishes an application-data-satellite model for river and lake remote sensing monitoring, sorts and associates required data resources and satellite resources, and when a user selects data resource service, the system intelligently recommends and orbit analysis to match corresponding satellite resources according to model analysis, and performs virtual constellation acquisition, data processing and quality inspection to form result data, and the result data is incorporated into a remote sensing data and application resource pool for downloading and using by a demand party.
When the user selects data and application service, the system/resource user distributes system authority according to order content, the system intelligently recommends according to model analysis, and matches corresponding satellite resources through dynamic networking to adjust resources, virtual constellation acquisition, data processing and quality inspection to form thematic result data, the data is authorized to be integrated with the system, virtual constellation, data factory and business application integrated service is integrally provided, and satellite, data and business systems are seamlessly integrated, so that supervision efficiency can be greatly improved. Furthermore, when the satellite resources are rich enough, special dedicated for dedicated satellites can be realized, and the virtual constellations are further classified and managed to provide the dedicated service for business.
Claims (9)
1. A satellite remote sensing data resource customizing service method is characterized by comprising the following steps:
(1) Each satellite resource unit carries out satellite source registration and satellite source maintenance on satellite resources to form a satellite resource system to construct a virtual constellation, and the orbit information and service information of the satellites are registered to form a satellite service capability file;
(2) Establishing a data and application resource pool, receiving and storing data acquired by the virtual constellation, and registering and managing data resources and application resources;
(3) The demand party selects data service or/and application service according to own demand and issues corresponding demand;
(4) Firstly matching corresponding data resources from the data and application resource pools according to requirements, and entering a step (7) with matching; if the current data and the application resource pool have no matched data resources and the satellite is required to acquire the data, intelligent orbit analysis is carried out based on the virtual constellation, and proper satellite resources are matched according to the required data type, area and time frequency requirements;
(5) Performing order butt joint on matched satellite resources, feeding back whether the order task can be executed or not by a satellite resource unit according to task execution content and satellite running state conditions, and carrying out dynamic networking according to feedback by the satellite resource unit, wherein the task management resources can be executed and incorporated;
(6) According to the finally determined networking satellite, data acquisition and processing orders are issued to relevant resource units of the networking satellite, the relevant units execute satellite data acquisition and data processing tasks according to order content, and data achievements are imported into data and application resource pools;
(7) The related resource units carry out data authorization on the imported data and the data result of the application resource pool;
(8) The method comprises the steps that a demand party receives, views and downloads authorization data on a workbench and authorizes resource application;
(9) And performing order settlement according to the order content, the resource usage amount and the determined settlement rules.
2. The method for customizing a service of a satellite remote sensing data resource according to claim 1, further comprising the step of (4) utilizing a satellite-data-application model established based on satellite resources, data achievements and business applications according to requirements, comprehensively evaluating service capacity and business requirements according to the model, performing resource and requirement matching, and providing intelligent resource recommendation.
3. The method for customizing satellite remote sensing data resources according to claim 1, wherein the application service in the step (3) can be synchronously expanded to the data service to generate a correlation order, the correlation order is a correlation between data and application, the data authorization is correlated with the application authorization, the data is authorized to the application, and the application automatically acquires and invokes the data after the data is updated.
4. The method for customizing satellite remote sensing data resources according to claim 1, further comprising the step of quality inspection, wherein in step (6), a quality inspection/supervision unit service with qualification of a third party is provided, or a quality inspection result report is provided by a platform with a quality inspection tool through an automatic program.
5. The satellite remote sensing data resource customization service system is characterized by comprising a virtual constellation and a management system thereof, a remote sensing data and application resource pool and a remote sensing data resource customization and service platform;
the virtual constellation is a satellite resource system, the virtual constellation realizes unified management through a virtual constellation management system, and the virtual constellation management system is used for carrying out satellite source registration and satellite source maintenance on satellite resources by each satellite resource unit, and registering orbit information and service information of satellites to form a satellite service capability file; performing orbit analysis based on a virtual constellation when the satellite is required to acquire data, matching proper satellite resources according to the required data type, region and time frequency requirements, performing order docking for the matched satellite resources, performing satellite resource dynamic networking according to feedback conditions, and performing task management by networking resource units according to order tasks;
the main functional modules of the virtual constellation management system comprise star source registration, star source maintenance, track analysis, dynamic networking, order docking and task management, and the specific roles of the modules are as follows:
star source registration: the satellite resource unit registers the satellite resource through protocol authorization to construct a satellite resource directory; the registration content comprises satellite names, operation/management units, transmitting dates, service years, orbit parameters, sensor parameters, a scheduling interface, a platform interface and a data interface, and forms a satellite service capability file;
star source maintenance: dynamically maintaining a satellite resource directory by a satellite resource unit, dynamically revising the satellite source registration content according to the actual running condition of the satellite, and recording a revision history by a system;
track analysis: simulating a satellite orbit according to satellite orbit parameter information, inputting an observation service range, including time and space range, dynamically analyzing and calculating satellite transit conditions, including transit time, transit frequency and satellite attitude, and analyzing whether satellite observation requirements of specific time and specific space can be met;
dynamic networking: dynamically calling satellite resources according to requirements to carry out networking observation, and dynamically adjusting according to satellite states and task load conditions so as to ensure service stability;
order docking: the transaction orders are docked, order resource matching is carried out, and satellite tasks are formed;
and (3) task management: tracking task progress, configuring task related parameters, and receiving, storing and managing satellite remote sensing monitoring data in a docking data resource pool;
the remote sensing data and application resource pool comprises a data resource pool and an application resource pool, and is used for receiving and storing data acquired by the virtual constellation and registering and managing the data resources and the application resources;
the remote sensing data resource customization and service platform comprises three modules, namely a service market, a workbench and platform operation and maintenance management, and provides a supply and demand docking and platform service function.
6. The satellite remote sensing data resource customization service system according to claim 5, wherein the data resource pool is managed by a data receiving, data warehouse and data order function module, and provides corresponding data content service according to order demands; the specific roles of the functional modules are as follows:
and (3) data receiving: the system is used for realizing the function of recording data into a resource pool according to catalogues, themes and orders, and realizing the receiving of satellite observation data and the uploading management of thematic result data;
data warehouse: the method is used for realizing classified storage management of data resources, carrying out catalog coding management on the data according to management rules, facilitating retrieval and calling, wherein the classified storage management data comprises satellite observation data, processing data, thematic information data and fusion application data, and has the capability of expanding data resource types;
data order: the system comprises a user and an application program, wherein the user and the application program are used for receiving and authorizing data according to orders, and the authorized user and the application program can use the data in an authorization range;
the application resource pool is managed through application registration, an application warehouse and an application order function module, and provides application and data service contents according to order demands; the specific roles of the functional modules are as follows:
application registration: the method is used for registering the application resource to an application resource pool for retrieval and calling;
application warehouse: the method comprises the steps of managing registered application resources, including application resource upgrading, enabling, disabling, publishing, withdrawing and data configuration operation;
application order: the system is used for authorizing the application resource according to the order, and the authorized user can use the application resource in the authorization range.
7. The satellite remote sensing data resource customization service system according to claim 5, wherein the application resource pool and the data resource pool are associated according to the need to provide data plus application service; and the association order is created, so that the association of the data and the application is realized, the data is authorized to the application, and the application automatically acquires and calls the data after the data is updated.
8. The satellite remote sensing data resource customization service system according to claim 5, wherein the service market includes a data market, an application market, and an ecological laboratory; the workbench provides support for service-oriented processes, tracks and manages service processes and results, and the functional units of the workbench comprise My data, my applications, my experiments and My orders; the platform operation and maintenance management faces to a platform management side, and the functional units comprise registration management, authorization management, order management, settlement management and statistical analysis.
9. The system of claim 8, wherein the platform operation and maintenance management function unit further comprises model management and intelligent service, the model management comprises a satellite-data-application association model, a data resource management model, an intelligent reminding model and an intelligent contract model to support the platform to provide the intelligent service; the intelligent service is one or more intelligent services of intelligent contract, intelligent reminding and intelligent recommendation.
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