CN115879739A - Satellite remote sensing data resource customization service method and system - Google Patents
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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 satellite resources if the satellite needs to acquire data; carrying out order docking facing to the matched satellite resources, bringing the executable resources into task management, and carrying out dynamic networking adjustment according to feedback; executing satellite data acquisition and data processing tasks, importing data results into a data and application resource pool, and performing data and application authorization; the requiring party receives, checks and downloads the authorization data and authorizes the resource application; and (6) settling the order. The invention can realize the high-efficiency matching of the requirements and the resources and realize the integrated management from the satellite data acquisition and processing to the service application.
Description
Technical Field
The invention relates to a service method and a service system for satellite remote sensing data resources, in particular to a service method and a service 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 has promoted satellite remote sensing to become an indispensable data source and technical support, and the satellite remote sensing is widely applied to service scenes such as resource investigation, disaster assessment, planning and construction, supervision and law enforcement and the like. With the continuous improvement of the spatial-temporal resolution, the application scenes are more and more abundant, the market demand is vigorous, the rapid growth period is entered, a large number of blank fields exist to be developed urgently, and the requirements on timeliness, usability and persistence 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 behind, 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 technical system is immature, collaborative development power is insufficient, and the increasing remote sensing business application requirements cannot be met. Particularly, in the aspect of customizing service by scene application, the adaptability is not strong, intermediate links are multiple, the period is long, satellite resources cannot be fully and effectively utilized, data delivery also adopts an offline or FTP mode, flexible configuration cannot be realized, data and application are separated, and the service process cannot be effectively tracked.
From the perspective of improving the satellite remote sensing service capability and promoting application development, satellite resource integration, service mode innovation, data timeliness and comprehensive service capability improvement, remote sensing spatial information service level improvement and deep fusion and collaborative development of satellite remote sensing data resources, a technical system and a business system are urgently needed.
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 purpose, the invention adopts the technical scheme that:
a satellite remote sensing data resource customization service method comprises the following steps:
(1) Each satellite resource unit performs satellite source registration and satellite source maintenance on satellite resources to form a satellite resource system to construct a virtual constellation, and registers orbit information and service information of the satellite to form a satellite service capacity 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 demanding party selects data service or/and application service according to own demand and issues corresponding demand;
(4) Matching corresponding data resources from the data and application resource pool according to the requirements, and entering the step (7) if the data and application resource pool are matched; if the current data and the application resource pool do not have matched data resources, and the satellite is required to acquire the data, intelligent orbit analysis is carried out based on the virtual constellation, and appropriate satellite resources are matched according to the required data type, area and time frequency requirements;
(5) Carrying out order docking facing to the matched satellite resources, feeding back whether order tasks can be executed or not by a satellite resource unit according to task execution contents and the running state condition of the satellite, bringing the order tasks into task management resources which can be executed, and carrying out dynamic networking according to the feedback;
(6) According to the finally determined networking satellite, a data acquisition and processing order is issued to the relevant resource unit, the relevant unit executes the satellite data acquisition and data processing tasks according to the content of the order, and the data result is imported into a data and application resource pool;
(7) The related resource units carry out data authorization on the imported data and the data result of the application resource pool;
(8) The demander receives, checks and downloads the authorization data and authorizes the resource application in the workbench;
(9) And carrying out order settlement according to the order content, the resource usage and the determined settlement rule.
The method also comprises the step of utilizing a satellite-data-application model established based on satellite resources, data achievements and service applications according to the requirements in the step (4), comprehensively evaluating the service capacity and the service requirements according to the model, matching the resources and the requirements and providing intelligent resource recommendation.
The method, the application service described in step (3), can be synchronously extended to data service to generate associated orders. The associated order refers to association between data and application, data authorization is associated with 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 also comprises a quality inspection step, in the step (6), a third party qualified quality inspection/supervision unit service can be provided, the quality inspection can be realized by a platform with a quality inspection tool through an automatic program, and a quality inspection result is provided with a report.
A satellite remote sensing data resource customization service system comprises three parts, namely 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 enabling each satellite resource unit to register satellite resources and maintain the satellite resources, and registering orbit information and service information of the satellites to form a satellite service capacity file; when the data are required to be acquired by the satellite, performing orbit analysis based on a virtual constellation, matching appropriate satellite resources according to the required data type, area and time frequency requirements, performing order docking for the matched satellite resources, performing dynamic networking according to the feedback condition, and performing task management by a networking resource unit according to an order task;
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 of a service market, a workbench and platform operation and maintenance management, provides the functions of supply and demand docking and platform service, and is used for: 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 be directly communicated with the satellite, task instructions are directly issued to the satellite through a scheduling interface, and the platform resources refer to resources which cannot be directly communicated with the satellite, are butted with the satellite resources through a transfer platform, and the task instructions are issued.
The virtual constellation management system comprises main functional modules of satellite source registration, satellite source maintenance, orbit analysis, dynamic networking, order docking and task management, and the main functional modules have the following specific functions:
registering a satellite source: the satellite resource unit registers the satellite resource by protocol authorization to construct a satellite resource directory; the registration content comprises a satellite name, an operation/management unit, a transmission date, a service life, an orbit parameter, a sensor parameter, a scheduling interface (corresponding to satellite resources, and tasks can be directly arranged), a platform interface (butt joint platform resources, transfer tasks, data interfaces and the like), and a satellite service capability file is formed;
maintenance of a satellite source: a satellite resource unit dynamically maintains a satellite resource directory, dynamically revises satellite source registration content according to the actual running condition of a satellite, and a system records revision history;
and (3) analyzing the track: simulating the satellite orbit according to the satellite orbit parameter information, inputting an observation service range (including a time range and a space range), dynamically analyzing and calculating the satellite transit condition (including contents such as transit time, transit frequency, satellite attitude and the like), and analyzing whether the satellite observation requirement 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 dynamic adjustment can be carried out according to the satellite state and the task load condition so as to ensure stable service;
order docking: docking a transaction order, and performing order resource matching to form a satellite task;
task management: tracking the progress of the task, configuring relevant parameters of the task, connecting a data resource pool, and receiving, storing and managing the satellite remote sensing monitoring data.
The data resource pool is mainly managed by a data receiving module, a data warehouse and a data order function module, and provides corresponding data content service according to the order requirement; the application resource pool is mainly managed by an application registration module, an application warehouse module and an application order function module, and provides application and data service contents according to order requirements; wherein,
data reception: the function of recording data into a resource pool in a manner of cataloguing, thematic, order form and the like is realized, and the receiving of satellite observation data and the uploading management of thematic result data are realized;
a data warehouse: the data resource classified storage management is realized, directory coding management is carried out on the data according to the management rule, retrieval and calling are facilitated, and the classified storage management data comprise satellite observation data, processing data, thematic information data, fusion application data and the like and have data resource type expansion capacity;
data order form: receiving and authorizing the data according to the order, wherein the authorized user and the application program can use the data within an authorized range;
application registration: registering the application resource to an application resource pool for retrieval and calling;
an application warehouse: managing registered application resources, including application resource upgrading, enabling, disabling, issuing, withdrawing, data configuration operations;
application order: and authorizing the application resources according to the order, wherein the authorized user can use the application resources within the authorization range.
The application resource pool can establish the association with the data resource pool according to the requirement, and provides the data and application service of business, scene and integration. The association between the data and the application is realized by creating an associated order, 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 a service market module, a workbench module and a platform operation and maintenance management module,
the service market mainly comprises service items such as a data market, an application market, an ecological laboratory and the like; the workbench provides support for the service process, the service process and the service result are tracked and managed, and the platform operation and maintenance management can also provide intelligent services such as intelligent reminding and intelligent recommendation.
In the service market, the data market: providing data service docking and generating a data service order;
the application market is as follows: providing application service docking, generating an application service order and synchronously expanding a data service order;
an ecological laboratory: the method is oriented to immature technologies and application, an experiment platform, an experiment scene and experiment data are provided, any party in an ecological system can initiate an ecological experiment task, related users participate in the task, and multiple parties cooperate to promote technical progress.
The workbench integrates data and applications in a cloud desktop mode, and provides integrated services, wherein the main functional units comprise my data, my applications, my experiments and my orders;
my data: the data management method comprises the steps that data managed by the client and data purchased by the client are provided, data service is provided according to order content, a cloud desktop provides data service application, and operations such as data loading, query, browsing and downloading are supported;
my application: the system comprises an application managed by me and an application purchased by me, provides application + data integration service, opens application permission according to order content, and provides application service technical support by a resource party;
my experiments: the method comprises the experiments initiated by me and the experiments participated in by me, and aiming at the ecological task collaborative demand, all the parties participating in the ecological experiments can carry out ecological cooperation according to respective resources;
my order: the order state is dynamically inquired and tracked, and order settlement confirmation operation can be carried out.
The platform operation and maintenance management module faces to a platform manager 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 system comprises a platform, a resource party, a demand party, a manager and a supervisor, wherein the platform supports registration of unit users and individual users, and is responsible for registration verification of various users, so that verification and supervision are facilitated, and the platform adopts real-name management;
and (3) authorization management: the platform authorizes the service module according to the role and the registration information of the user;
order management: order generation and tracking management are realized, and related agreements, contracts and the like are managed;
and (4) settlement management: setting a settlement account and settlement conditions, and performing settlement management on the order according to settlement rules;
model management: the model comprises 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 service;
intelligent service: intelligent services such as intelligent contracts, intelligent reminding, intelligent recommendation and the like are provided;
statistical analysis: and performing 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 invention has the beneficial effects that:
(1) The invention provides a satellite remote sensing data resource service with double drives of 'demand + resource' based on a virtual satellite constellation, is customized according to the demand, realizes the efficient matching of the demand and the resource by resource matching such as orbit analysis and order docking and dynamic adjustment, and provides convenient, efficient, safe, reliable and systematic operation service for supply and demand parties by integrating satellite resources, data resources, technical resources and business resources.
(2) The invention provides application service, the application resource can establish the association with the data resource according to the requirement, provides the business, scene and integrated data and application service, can realize the integrated management from the satellite data acquisition and processing to the business application, is beneficial to the creation of an integrated industrial ecosystem for production and research, and realizes the high-timeliness, high-availability, high-persistence service and ecological cooperation of the remote sensing data.
(3) The invention can realize the intelligent recommendation function, can match the requirements and resources according to the model system, and can carry out intelligent recommendation according to the matching result.
(4) The invention properly introduces quality inspection and other supervision steps, and further ensures the quality of the service system.
The invention integrally promotes the service level of satellite remote sensing spatial information, promotes the deep fusion and collaborative development of a satellite remote sensing data system, a technical system and a business system, constructs industrial ecology and realizes industrial interconnection.
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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 present invention is further illustrated by the following examples and examples.
A method for customizing service of satellite remote sensing data resources is disclosed, and as shown in figure 1, the 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 and construct a virtual constellation, and the orbit information and the service information of the satellite are registered to form a satellite service capacity 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 demanding party selects data service or/and application service according to own demand and issues corresponding demand;
(4) Matching corresponding data resources from the data and application resource pool according to the requirements, and entering the step (7) if the data and application resource pool are matched; if the current data and the application resource pool do not have matched data resources, and the satellite is required to acquire the data, intelligent orbit analysis is carried out based on the virtual constellation, and appropriate satellite resources are matched according to the required data type, area and time frequency requirements;
(5) Carrying out order docking facing to the matched satellite resources, feeding back whether order tasks can be executed or not by a satellite resource unit according to the conditions of task execution, satellite running state and the like, bringing into task management resources which can be executed, and dynamically networking;
(6) According to the finally determined networking satellite, a data acquisition and processing order is issued to a related satellite resource unit, the related unit executes satellite data acquisition and data processing tasks according to the content of the order, and data results are imported into a data and application resource pool;
(7) The related resource units carry out data authorization on the imported data and the data result of the application resource pool;
(8) The demander receives, checks and downloads the authorization data and authorizes the resource application in the workbench;
(9) And carrying out order settlement according to the order content, the resource usage and the determined settlement rule.
Examples
A satellite remote sensing data resource customization service system comprises three major parts, namely 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 (as shown in figure 2).
The virtual constellation is a satellite resource system, is a data source guarantee for realizing the customized service of the satellite remote sensing data, is managed by integrating satellite resources and platform resource construction and adopting a mode of interface adaptation and special line butt joint, and has the capability of dynamic expansion. The satellite resources refer to resources which can be directly conversed with the satellite, task instructions are directly issued to the satellite through a scheduling interface, the platform resources refer to resources which cannot be directly conversed with the satellite, and the task instructions are issued by butting the satellite resources through a transfer platform. The virtual constellation realizes unified management through a virtual constellation management system, 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 functions of the modules are described as follows:
and (3) registration of a satellite source: the satellite resource unit registers the satellite resource by protocol authorization to construct a satellite resource directory; the registration content comprises a satellite name, an operation/management unit, a transmission date, a service life, an orbit parameter, a sensor parameter, a scheduling interface (corresponding to satellite resources, and tasks can be directly arranged), a platform interface (butt joint of platform resources, and tasks are transferred and arranged), a data interface and the like, and a satellite service capability file is formed;
maintenance of a satellite source: dynamically maintaining a satellite resource directory by a satellite resource unit, dynamically revising satellite source registration contents according to the actual running condition of a satellite, and recording revision history by a system;
and (3) analyzing the track: simulating the satellite orbit according to the satellite orbit parameter information, inputting an observation service range (including a time range and a space range), performing transit analysis, frequency analysis and task conflict analysis, dynamically analyzing and calculating the transit condition of the satellite, and analyzing whether the satellite observation requirement of a specific time and a specific space can be met or not;
dynamic networking: satellite resources are dynamically called according to requirements to carry out networking observation, and dynamic adjustment can be carried out according to the satellite state and the task load condition so as to ensure stable service; for example, in the order task execution process, when a certain satellite resource is abnormal or has an emergency task, other satellite resources can be called for networking;
order docking: docking a transaction order, and performing order resource matching to form a satellite task;
task management: tracking the progress of the task, configuring relevant parameters of the task, connecting a data resource pool, and receiving, storing and managing the satellite remote sensing monitoring data.
The remote sensing data and application resource pool provides management functions of the data resource pool and the application resource pool and provides data and application safety guarantee by relying on high-performance storage, calculation and I/O remote sensing cloud service infrastructure. 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 by a data receiving module, a data warehouse and a data order function module, and provides corresponding data content service according to the order requirement. The data resource pool is in butt joint with the satellite resource units of the virtual constellation and is managed in a special line transmission and data synchronization mode. The data receiving is a function of inputting data into a resource pool in a manner of cataloguing, thematic, order form and the like, and realizes the receiving of satellite observation data and the uploading management of thematic result data. A data warehouse: the data resource classified storage management is realized, the directory coding management is carried out on the data according to the management rule, the retrieval and the calling are convenient, the classified data comprise satellite observation data, processing data, thematic information data, fusion application data and the like, and the data resource classified storage management has the data resource type expansion capability. Data order form: and receiving and authorizing the data according to the order, wherein the authorized user and the application program can use the data within the authorized range.
The application resource pool is mainly managed by an application register, an application warehouse and an application order function module, and provides application and data service contents according to order requirements. Application registration: and registering the application resources to the application resource pool for retrieval and calling. An application warehouse: and managing the registered application resources, including upgrading, enabling, disabling, publishing, withdrawing, configuring data and the like of the application resources. Application order: and authorizing the application resources according to the order, wherein the authorized user can use the application resources within the authorization range. The application resources can establish the association with the data resources according to the needs, and provide the business, scene and integrated data and application services.
The remote sensing data resource customization and service platform is used as a portal of satellite remote sensing data customization service, comprises three modules of a service market, a workbench and platform operation and maintenance management, is oriented to supply and demand parties and platform management parties, and provides functions of supply and demand docking, platform service support and the like.
The service market mainly comprises projects such as a data market, an application market, an ecological laboratory and the like, wherein the data market comprises: providing data service docking and generating a data service order;
the application market is as follows: providing application service docking, generating an application service order and synchronously expanding a data service order;
an ecological laboratory: the method is oriented to immature technologies and application, an experiment platform, an experiment scene and experiment data are provided, any party in an ecological system can initiate an ecological experiment task, related users participate in the task, and multiple parties cooperate to promote technical progress.
The workbench provides support for a service process, the system realizes integration of data and application in a cloud desktop mode, and provides integrated service, and the main functions of the system comprise my data, my application, my experiment and my order;
wherein the My data: the data service is provided according to the order content, the cloud desktop provides data service application, and operations such as data loading, query, browsing and downloading are supported;
my application: the system comprises an application managed by me and an application purchased by me, provides application + data integration service, opens application permission according to order content, and provides application service technical support by a resource party;
my experiments: the method comprises the experiments initiated by me and the experiments participated in by me, and all parties participating in the ecological experiments can carry out ecological cooperation according to respective resources aiming at the ecological task cooperative demand;
my order: the order state is dynamically inquired and tracked, and order settlement confirmation operation can be carried out.
The platform operation and maintenance management module faces to a platform manager and has functional units of registration management, authorization management, order management, settlement management, model management, intelligent service, statistical analysis and the like;
wherein, the registration management comprises the following steps: the system comprises a platform, a resource party, a demand party, a manager and a supervisor, wherein the platform supports registration of unit users and individual users, and is responsible for registration verification of various users, so that verification and supervision are facilitated, and the platform adopts real-name management;
and (3) authorization management: the platform authorizes the service module according to the user role and the registration information;
order management: order generation and tracking management are realized, and related agreements, contracts and the like are managed;
and (4) settlement management: setting a settlement account and settlement conditions, and performing settlement management on the order according to settlement rules;
model management: the model comprises 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 service;
intelligent service: intelligent services such as intelligent contracts, intelligent reminding, intelligent recommendation and the like are provided;
statistical analysis: and performing statistical analysis, such as resource statistical analysis, user statistical analysis, transaction statistical analysis, application statistical analysis and the like, according to the management attention indexes.
The system provides scene service, a satellite-data-application model is established, satellite resources, data achievements and business applications are effectively connected in series, intelligent recommendation service is provided, and an industry chain is formed through resource integration.
Taking river and lake remote sensing monitoring as an example, the resource service process is explained as follows:
the river and lake remote sensing monitoring can provide data result service and information service according to a required user information basis, when a user has a river and lake remote sensing monitoring platform, only data (result) service can be selected, and when the river and lake remote sensing monitoring platform does not exist, data + application service can be selected.
The system establishes an application-data-satellite model for river and lake remote sensing monitoring, arranges and associates required data resources and satellite resources, when a user selects a data resource service, the system intelligently recommends according to model analysis and matches corresponding satellite resources through orbit analysis, and achievement data is formed through virtual constellation acquisition, data processing and quality inspection and is included in a remote sensing data and application resource pool for a demand party to download.
When a user selects data and application service, a system/resource user distributes system permission according to order content, the system intelligently recommends and performs orbit analysis to match corresponding satellite resources according to model analysis, resources are adjusted through dynamic networking, virtual constellation collection, data processing and quality inspection are performed to form special achievement data, the data are authorized to be integrated with the system, integrated service of virtual constellation, data factory and business application is integrally provided, and the monitoring efficiency can be greatly improved due to seamless integration of the satellite, the data and the business system. Furthermore, when the satellite resources are rich enough, special satellite special use can be realized, the virtual constellation is further classified and managed, and a business special service is provided.
Claims (10)
1. A satellite remote sensing data resource customization service method is characterized by comprising the following steps:
(1) Each satellite resource unit performs satellite source registration and satellite source maintenance on satellite resources to form a satellite resource system to construct a virtual constellation, and registers orbit information and service information of the satellite to form a satellite service capacity 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 demanding party selects data service or/and application service according to the demand of the demanding party and issues corresponding demand;
(4) Matching corresponding data resources from the data and application resource pool according to the requirements, and entering the step (7) if the matching exists; if the current data and the data resources which are not matched in the application resource pool do not need to be acquired by the satellite, carrying out intelligent orbit analysis based on the virtual constellation, and matching the appropriate satellite resources according to the type, the region and the time frequency requirement of the needed data;
(5) Carrying out order docking facing to the matched satellite resources, feeding back whether order tasks can be executed or not by a satellite resource unit according to task execution contents and the running state condition of the satellite, bringing the order tasks into task management resources which can be executed, and carrying out dynamic networking according to the feedback;
(6) According to the finally determined networking satellite, a data acquisition and processing order is issued to the relevant resource unit, the relevant unit executes the satellite data acquisition and data processing tasks according to the content of the order, and the data result is imported into a data and application resource pool;
(7) The related resource units carry out data authorization on the imported data and the data result of the application resource pool;
(8) The demander receives, checks and downloads the authorization data and authorizes the resource application in the workbench;
(9) And carrying out order settlement according to the order content, the resource usage and the determined settlement rule.
2. The method for customizing the service of the satellite remote sensing data resources as claimed in claim 1, further comprising the step of performing resource and demand matching and providing intelligent resource recommendation by using a satellite-data-application model established based on the satellite resources, the data achievement and the business application according to the demand and comprehensively evaluating the service capability and the business demand according to the model in the step (4).
3. The method for customizing the service of the satellite remote sensing data resource as claimed in claim 1, wherein the application service in the step (3) can be synchronously expanded to a data service to generate a correlation order, the correlation order refers to the correlation between the data and the application, the data authorization is correlated with the application authorization, the data is authorized for the application, and the application automatically acquires and calls the data after the data is updated.
4. The customized service method for satellite remote sensing data resource as claimed in claim 1, further comprising a quality inspection step, wherein in step (6), a qualified quality inspection/supervision unit service is provided for a third party, or a platform with a quality inspection tool realizes quality inspection through an automatic program, and a quality inspection result is reported.
5. A satellite remote sensing data resource customization service system is characterized by comprising three parts, namely 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 enabling each satellite resource unit to register satellite resources and maintain the satellite resources and registering orbit information and service information of the satellites to form a satellite service capacity file; when the satellite is required to acquire data, performing orbit analysis based on a virtual constellation, matching appropriate satellite resources according to the type, area and time frequency requirements of the required data, performing order docking for the matched satellite resources, dynamically networking the satellite resources according to the feedback condition, and performing task management by a networking resource unit according to an order task;
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 functions of supply and demand docking and platform service.
6. The system according to claim 5, wherein the virtual constellation management system comprises main functional modules of satellite source registration, satellite source maintenance, orbit analysis, dynamic networking, order docking and task management, and the modules have the following specific functions:
registering a satellite source: the satellite resource unit registers the satellite resource after protocol authorization to construct a satellite resource directory; the registration content comprises a satellite name, an operation/management unit, a transmission date, a service life, an orbit parameter, a sensor parameter, a scheduling interface, a platform interface and a data interface to form a satellite service capability file;
maintenance of a satellite source: a satellite resource unit dynamically maintains a satellite resource directory, dynamically revises satellite source registration content according to the actual running condition of a satellite, and a system records revision history;
and (3) analyzing the track: simulating the satellite orbit according to the satellite orbit parameter information, inputting an observation service range including time and space ranges, dynamically analyzing and calculating the satellite transit condition including transit time, transit frequency and satellite attitude, and analyzing whether the satellite observation requirement of specific time and specific space can be met or not;
dynamic networking: dynamically calling satellite resources according to the requirements to carry out networking observation, and dynamically adjusting according to the satellite state and the task load condition to ensure stable service;
order docking: docking a transaction order, and performing order resource matching to form a satellite task;
task management: tracking the progress of the task, configuring relevant parameters of the task, and receiving, storing and managing satellite remote sensing monitoring data by connecting a data resource pool.
7. The system according to claim 5, wherein the data resource pool is managed by a data receiving function, a data warehouse function and a data order function module, and provides corresponding data content services according to order requirements; the specific functions of each functional module are as follows:
data reception: the system is used for realizing the function of recording data into a resource pool according to a catalog, a special topic and an order form, and realizing the receiving of satellite observation data and the uploading management of special result data;
a data warehouse: the system is used for realizing classified storage management of data resources, performing directory coding management on data according to a management rule, 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 data resource type expansion capability;
data order form: the system is used for receiving and authorizing data according to an order, and authorized users and application programs can use the data within an authorized range;
the application resource pool is managed by an application registration function module, an application warehouse function module and an application order function module, and provides application and data service contents according to order requirements; the specific functions of each functional module are as follows:
application registration: the system is used for registering the application resource to an application resource pool for retrieval and calling;
an application warehouse: the system comprises a data processing module, a data processing module and a data processing module, wherein the data processing module is used for managing registered application resources, and comprises application resource upgrading, starting, stopping, releasing, withdrawing and data configuration operations;
application order form: and the authorization server is used for authorizing the application resources according to the order, and the authorized user can use the application resources within the authorization range.
8. The system according to claim 5, wherein the application resource pool and the data resource pool are associated as needed to provide data plus application services; and the association between the data and the application is realized by creating an associated order, the data is authorized to the application, and the application automatically acquires and calls the data after the data is updated.
9. The satellite remote sensing data resource customization service system according to claim 5, wherein the service market comprises a data market, an application market, an ecological laboratory; the workbench provides support for the service process and tracks and manages the service process and the service result, and the functional units of the workbench comprise my data, my application, my experiment and my order; the platform operation and maintenance management faces to a platform manager, and the functional units comprise registration management, authorization management, order management, settlement management and statistical analysis.
10. The system according to claim 9, wherein the functional unit for platform operation and maintenance management 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, so as to support the platform to provide the intelligent service; the intelligent service is one or more intelligent services of intelligent contracts, intelligent reminders and intelligent recommendations.
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