Information management method and system based on satellite communication

Abstract

The invention discloses an information management method and system based on satellite communication, and relates to the technical field of satellite communication and information management, and the method comprises the following steps: collecting multi-dimensional educational administration information data of a target college, carrying out the sensitivity analysis, and obtaining a sensitivity level based on a sensitivity analysis result; establishing a communication adaptation model based on the sensitivity level and the multi-dimensional educational administration information data, and obtaining communication interaction node operation data; performing hierarchical encryption processing on the multi-dimensional educational administration information data based on the sensitivity level, and constructing a satellite communication link hierarchical encryption channel; constructing a multi-dimensional educational administration information data satellite transmission orbit according to the communication adaptation model, the communication interaction node operation data and the satellite communication link layered encryption channel; and a target campus information comprehensive management model is constructed, and informatization management of the target campus is realized.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of satellite communication and information management, and particularly relates to an information management method and system based on satellite communication. BACKGROUND

[0002] As an important part of the modern communication system, satellite communication technology plays an irreplaceable role in many fields such as military, civil aviation, navigation, emergency rescue, environmental monitoring and school information management, owing to its unique advantages of wide coverage, high reliability and being free from the restriction of geographical conditions. Satellite communication constitutes the lifeline of information interaction and provides core capabilities for terminal devices to access global information networks. An information management system based on satellite links emerges as the times require, and its core task is to effectively receive, store, process and distribute massive and heterogeneous data gathered through satellite channels, thereby supporting various application services at the upper layer.

[0003] In a Chinese patent application with the application publication number CN119382770A, a resource management system and method of a communication satellite system are disclosed. The resource management system comprises a system resource publishing module, an application information management module and a resource allocation and plan management module. The system resource publishing module publishes the latest resource information of the communication satellite system on a designated website, so that all user centers can intuitively check the idle condition of the communication satellite system resources on the designated website, thereby reducing the blindness of the user centers in applying for the communication satellite resources. The application information management module receives the application for using the communication satellite resources submitted by the user centers, and sends the legal application to the resource allocation and plan management module, so that the legal application is processed based on preset conflict resolution rules, and the processing result is fed back to the user center. The system simplifies the interaction process between the user center and the communication satellite system, and improves the interaction capability of the communication satellite system and the resource utilization rate of the communication satellite system.

[0004] In a Chinese invention application with the application publication number CN114928399A, a system for interworking between multiple satellite communication systems and a method for interworking between services are disclosed; the system adopts an interworking architecture, including a management layer, a control layer and a switching layer, the management layer is responsible for the management of user information and service interworking rules between satellite networks, supports distributed networking, and realizes full-network query and redundant backup of user information and service interworking rules; the control layer is responsible for the service logic control between satellite networks, supports distributed networking, and can dynamically learn the service routing of different control layer nodes; the switching layer is responsible for the media data exchange between satellite networks, supports the stacking of switching functions, forms a switching resource pool, and meets the dynamic task requirements. The interworking system and multiple satellite networks form a heterogeneous satellite network integrated networking system, and realize service interworking between satellite networks. The application realizes unified management and service switching of satellite users, and effectively improves the comprehensive use efficiency of heterogeneous satellite communication systems.

[0005] The prior art has the following problems: when the traditional campus information is transmitted through satellite, the transmission data is not divided according to sensitivity, and all the transmission data is transmitted in a unified encryption mode. Satellite communication signals are transmitted in the air and are vulnerable to eavesdropping, interference and tampering and other security threats. For example, in a school information management system, a large amount of personal information of teachers and students, teaching data, management information and other sensitive content are involved. Once leaked or tampered, it may have a serious impact on the school and the teachers and students. Therefore, an information management method and system based on satellite communication are needed to solve the problems of the prior art. SUMMARY

[0006] To solve the above technical problems, one aspect of the purpose of the present application provides an information management method based on satellite communication, which comprises the following steps: Step 1: Collecting multi-dimensional educational information data of target colleges and universities, and performing sensitivity analysis, and based on the sensitivity analysis result, obtaining a sensitivity level; Step 2: Based on the sensitivity level and multi-dimensional educational information data, establishing a communication adaptation model, and obtaining communication interaction node operation data; Step 3: Based on the sensitivity level, the multi-dimensional educational information data is processed by hierarchical encryption, and a satellite communication link hierarchical encryption channel is constructed; Step 4: According to the communication adaptation model, the communication interaction node operation data and the satellite communication link hierarchical encryption channel, a multi-dimensional educational information data satellite transmission orbit is constructed; Step 5: Constructing a target campus information comprehensive management model to realize the management of target campus information.

[0007] In a preferred embodiment, the multi-dimensional educational information data includes: teacher-student personal information, teaching management data, resource allocation data, administrative management data, and other data.

[0008] In a preferred embodiment, the specific process of obtaining the sensitivity level includes: setting a sensitivity analysis unit to perform item-by-item sensitivity analysis on the multi-dimensional educational information data; presetting sensitivity weights according to the sensitivity analysis results of each item of data in privacy protection; and calculating the sensitivity scores of each item of data in the multi-dimensional educational information data according to the preset sensitivity weights; dividing the multi-dimensional educational information data into high-sensitivity data, medium-sensitivity data, and low-sensitivity data according to the sensitivity scores, and marking them as sensitivity levels, the sensitivity levels including: a first sensitivity level, a second sensitivity level, and a third sensitivity level.

[0009] In a preferred embodiment, the specific process of establishing a communication adaptation model includes: grouping the multi-dimensional educational information data according to the sensitivity levels, obtaining a grouping result, taking any one group as a communication adaptation node responsible for interfacing with a specific transmission node in the satellite communication link, obtaining multiple communication adaptation nodes, forming a communication adaptation network, extracting a network topology, inputting the network topology into a pre-set communication adaptation generation unit, and obtaining a communication adaptation model.

[0010] In a preferred embodiment, the communication interaction node running data includes: node running time, node failure rate, node processing task quantity, node memory occupancy rate, node bandwidth utilization rate, node-to-node data packet transmission time, node-to-node signal stability, node packet loss rate, and node signal strength.

[0011] In a preferred embodiment, the specific process of constructing a satellite communication link layered encryption channel includes: performing layered processing on the multi-dimensional educational information data according to the sensitivity levels, obtaining a hash value of each layer of the multi-dimensional educational information data using a hash function, integrating the hash values of each layer to obtain a hash value sequence, performing dynamic disturbance on each layer of the hash value sequence based on chaos theory to obtain a disturbed hash value sequence, generating a random number string using a random number generator, randomly combining the generated random number string and the disturbed hash value sequence as an initial encryption key, fusing the initial encryption key with each layer of the preset encryption key to obtain an encryption key corresponding to each layer, and performing encryption processing on the multi-dimensional educational information data using the encryption key corresponding to each layer to form layered encryption channels of different levels, and as a satellite communication link layered encryption channel.

[0012] In a preferred embodiment, the specific process of constructing the multi-dimensional educational information data satellite transmission orbit includes: Based on the communication adaptation model, the basic parameters of the multi-dimensional educational information data transmission are determined, including: data frame structure, encoding format, transmission rate adaptation rule, data type identification; according to the real-time monitoring of the communication interaction node operation data, dynamic routing planning is carried out, the optimal satellite transmission orbit is selected, and the congestion or fault node is avoided; the satellite communication link layered encryption channel is deeply integrated with the optimal satellite transmission orbit, and the initial multi-dimensional educational information data satellite transmission orbit is constructed; the transmission stability, encryption effectiveness and adaptability of the initial multi-dimensional educational information data satellite transmission orbit are verified through simulation test, and the initial multi-dimensional educational information data satellite transmission orbit with high transmission stability, encryption effectiveness and adaptability after simulation test is selected as the final multi-dimensional educational information data satellite transmission orbit.

[0013] In a preferred embodiment, the specific process of realizing the target campus information management includes: The satellite communication terminal equipment is deployed, the data interaction is completed through the multi-dimensional educational information data satellite transmission orbit according to the data transmission protocol, the multi-dimensional educational information data after completing the interaction is imported into the pre-constructed target campus information comprehensive management model, the model carries out decryption and verification processing on the multi-dimensional educational information data, uses big data analysis technology to deeply mine and analyze the multi-dimensional educational information data, develops a visual management interface, supports the real-time query, update and approval of the information of the multi-dimensional educational information data by the educational staff, and embeds the abnormal monitoring function, realizes the centralized management and intelligent decision support of the target campus informationization whole process, and realizes the management of the target campus informationization.

[0014] Another aspect of the application also discloses an information management system based on satellite communication, which comprises the following modules: data acquisition and level division module, communication adaptation model construction module, layered encryption module, data transmission orbit construction module and informationization management module. The above modules are connected by wired and / or wireless connection to realize data transmission between the modules. The data acquisition and level division module is responsible for collecting multi-dimensional educational information data of the target university and performing sensitivity analysis, and based on the sensitivity analysis result, the sensitivity level is obtained. The communication adaptation model construction module is responsible for establishing a communication adaptation model based on the sensitivity level and multi-dimensional educational information data, and obtaining communication interaction node operation data. The layered encryption module is responsible for performing layered encryption processing on the multi-dimensional educational information data based on the sensitivity level, and constructing a satellite communication link layered encryption channel. The data transmission track construction module is responsible for constructing a multi-dimensional educational administration information data satellite transmission track according to the communication adaptation model, the communication interaction node running data and the satellite communication link layered encryption channel. The information management module is responsible for constructing a target campus information comprehensive management model to realize the information management of the target campus.

[0015] Compared with the prior art, the present application has the beneficial effects that: the present application collects multi-dimensional educational administration information data of a target school, and performs sensitivity analysis, obtains a sensitivity level based on the sensitivity analysis result, further establishes a communication adaptation model based on the sensitivity level and the multi-dimensional educational administration information data, and obtains communication interaction node running data, further performs layered encryption processing on the multi-dimensional educational administration information data based on the sensitivity level, and constructs a satellite communication link layered encryption channel, further constructs a multi-dimensional educational administration information data satellite transmission track according to the communication adaptation model, the communication interaction node running data and the satellite communication link layered encryption channel, further constructs a target campus information comprehensive management model to realize the information management of the target campus, and can solve the problem that traditional transmission data is transmitted in a unified encryption transmission mode, and satellite communication signals are transmitted in the air, which is vulnerable to security threats such as eavesdropping, interference and tampering, and simultaneously realize the information management of the target campus. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a satellite communication-based information management method step flowchart diagram for the embodiment of the present application.

[0017] Figure 2 It is a satellite communication-based information management system various module connection diagram for the embodiment of the present application. DETAILED DESCRIPTION

[0018] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that discussions of these implementations are intended to serve solely illustration of the subject matter described herein and should not necessarily be taken as limiting the aspects and scopes of the subject matter described herein. The functions and arrangements of the elements discussed can be modified, omitted or added to, as needed, without departing from the scope of the subject matter described in this specification. Additionally, features described in relation to some examples can be combined in other examples.

[0019] It should be noted that the technical terms or scientific terms used in one or more embodiments of the present application should be understood as the general meaning understood by those skilled in the art to which the present application belongs, unless otherwise defined. The terms "first", "second" and the like used in one or more embodiments of the present application do not represent any order, number or importance, but are only used to distinguish different components. The terms "include" or "contain" and the like mean that the elements or objects before the terms cover the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects. The terms "connected" or "connected" and the like are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right" and the like are only used to represent relative positional relationships, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] Embodiment 1 Please refer to Figure 1 As shown in the drawings, the embodiments of the present application provide an information management method based on satellite communication, which comprises the following steps: Step 1: Collecting multi-dimensional educational information data of target school, and performing sensitivity analysis, and obtaining sensitivity level based on the sensitivity analysis result; On the basis of the above-mentioned embodiments, the multi-dimensional educational information data includes but is not limited to: teacher and student personal information, teaching management data, resource allocation data, administrative management data, other data, etc. It should be noted that the multi-dimensional educational information data is obtained by the educational management system of the target school, and the teacher and student personal information includes but is not limited to: personal basic information, score data, reward and punishment information, health information, teaching task information, teaching evaluation data, scientific research achievement data, training information, etc.; the teaching management data includes but is not limited to: course information, examination information, teaching resource information, teaching quality data, etc.; the resource allocation data includes but is not limited to: teaching equipment use record, venue reservation information, etc.; the administrative management data includes but is not limited to: school rules and regulations, financial information, enrollment and employment data, campus facility management data, etc.; the other data includes but is not limited to: education bureau notice, external exchange cooperation information, school-home communication information, etc. On the basis of the above embodiment, the specific process of obtaining the sensitivity level includes: setting a sensitivity analysis unit to perform item-by-item sensitivity analysis on the multi-dimensional educational information data; presetting a sensitivity weight according to the sensitivity analysis result of each data in privacy protection; and calculating the sensitivity score of each data in the multi-dimensional educational information data according to the preset sensitivity weight; dividing the multi-dimensional educational information data into high-sensitivity data, medium-sensitivity data and low-sensitivity data according to the sensitivity score, and marking them as a sensitivity level, the sensitivity level including: a first sensitivity level, a second sensitivity level and a third sensitivity level.

[0021] It should be noted that, for example, the data with a sensitivity score between 0.5 and 0.69, such as student performance and teacher teaching evaluation data, is divided into medium-sensitivity data and marked as a second sensitivity level; the data with a sensitivity score between 0.7 and 0.99, such as student ID number and teacher salary details, is divided into high-sensitivity data and marked as a second sensitivity level; and the data with a sensitivity score between 0.1 and 0.49, such as general school notices and public lecture information, is divided into low-sensitivity data and marked as a third sensitivity level. Through the sensitivity analysis process, the multi-dimensional educational information data can be reasonably classified, so that targeted security management strategies can be developed for data of different sensitivity, ensuring data security while considering the reasonable use and sharing of information.

[0022] Step 2: Based on the sensitivity level and multi-dimensional educational information data, a communication adaptation model is established, and communication interaction node running data is obtained; On the basis of the above embodiment, the specific process of establishing a communication adaptation model includes: grouping the multi-dimensional educational information data according to the sensitivity level, and obtaining a grouping result; taking any one of the groups as a communication adaptation node according to the grouping result, the communication adaptation node being responsible for interfacing with a specific transmission node in the satellite communication link; obtaining a plurality of communication adaptation nodes, forming a communication adaptation network, and extracting a network topology structure; inputting the network topology structure into a pre-set communication adaptation generation unit to obtain a communication adaptation model. The specific process of obtaining communication interaction node running data includes: extracting a communication interaction node according to the communication adaptation model. The communication interaction node running data includes but is not limited to: node running time, node failure rate, number of tasks handled by the node, node memory occupancy rate, node bandwidth utilization rate, inter-node data packet transmission time, inter-node signal stability, node packet loss rate, node signal strength, etc. It should be noted that the communication adaptation node responsible for interfacing with a specific transmission node in the satellite communication link means that in the entire satellite communication system, a special transmission path or channel is allocated for multi-dimensional educational information data of different sensitivity levels; the communication adaptation node acts as a bridge between multi-dimensional educational information data and the satellite communication link, ensuring that multi-dimensional educational information data can be accurately transmitted into the satellite communication link.

[0023] Step 3: Based on the sensitivity level, the multi-dimensional educational information data is hierarchically encrypted and a satellite communication link hierarchical encryption channel is constructed; On the basis of the above embodiment, the specific process of constructing the satellite communication link hierarchical encryption channel includes: hierarchically processing the multi-dimensional educational information data according to the sensitivity level, using a hash function to obtain a hash value of each layer of the multi-dimensional educational information data, integrating the hash values of each layer to obtain a hash value sequence, dynamically disturbing each layer of the hash value sequence based on chaos theory to obtain a disturbed hash value sequence, generating a random number string according to a random number generator, randomly combining the generated random number string and the disturbed hash value sequence as an initial encryption key, fusing the initial encryption key with a preset encryption key of each layer to obtain an encryption key corresponding to the layer, using the encryption key corresponding to the layer to encrypt the multi-dimensional educational information data, forming a hierarchical encryption channel of different levels, and serving as a satellite communication link hierarchical encryption channel. It should be noted that the encryption key corresponding to the layer can also be dynamically updated according to the update date of the multi-dimensional educational information data; through hierarchical processing, dynamic disturbance, and key fusion, the security of educational information transmission in satellite communication is improved, and differentiated protection of different sensitivity data is ensured; the preset encryption key is obtained by the experimental technical personnel of the present application through continuous experiments based on historical multi-dimensional educational information data encryption.

[0024] Step 4: According to the communication adaptation model, the communication interaction node running data, and the satellite communication link hierarchical encryption channel, a multi-dimensional educational information data satellite transmission orbit is constructed. On the basis of the above-mentioned embodiments, the specific process of constructing the multi-dimensional educational information data satellite transmission orbit includes: determining the basic parameters of multi-dimensional educational information data transmission based on a communication adaptation model, the basic parameters including: data frame structure, encoding format, transmission rate adaptation rule, data type identification; ensuring that the multi-dimensional educational information data is compatible with the satellite communication protocol; dynamically planning the routing according to the real-time monitored communication interaction node operation data, selecting the optimal satellite transmission orbit, and avoiding congestion or fault nodes; deeply integrating the satellite communication link layered encryption channel with the optimal satellite transmission orbit, constructing the initial multi-dimensional educational information data satellite transmission orbit, and verifying the transmission stability, encryption effectiveness and adaptability of the initial multi-dimensional educational information data satellite transmission orbit through simulation test, and taking the initial multi-dimensional educational information data satellite transmission orbit with high transmission stability, encryption effectiveness and adaptability as the final multi-dimensional educational information data satellite transmission orbit.

[0025] Step 5: Constructing a target campus information comprehensive management model to realize the management of the target campus informatization; On the basis of the above-mentioned embodiments, the specific process of realizing the management of the target campus informatization includes: deploying satellite communication terminal equipment, completing data interaction through the multi-dimensional educational information data satellite transmission orbit according to the data transmission protocol, importing the multi-dimensional educational information data after completing the interaction into the pre-constructed target campus information comprehensive management model, the model will decrypt and verify the multi-dimensional educational information data, and use big data analysis technology to deeply mine and analyze the multi-dimensional educational information data, and develop a visual management interface to support the real-time query, update and approval of the multi-dimensional educational information data by the educational staff, and embed an abnormal monitoring function (such as permission abnormal access reminder) to support the centralized management and intelligent decision-making of the target campus informatization whole process, and realize the management of the target campus informatization; It should be noted that the data transmission protocol includes but is not limited to: TCP / IP, HTTPS, FTP / SFTP, MQTT and satellite communication special protocol, etc.; the pre-constructed target campus information comprehensive management model is constructed in advance by the target campus according to the target campus by the person skilled in the art.

[0026] Embodiment 2 Please refer to Figure 2 In another embodiment of the present application, the present application also discloses an information management system based on satellite communication, mainly applied to a school scene, which includes the following modules: a data acquisition and level division module, a communication adaptation model construction module, a layered encryption module, a data transmission orbit construction module, and an informatization management module. The above-mentioned various modules are connected through wired and / or wireless connection to realize the data transmission between the modules; The data collection and grade division module is responsible for collecting multi-dimensional teaching information data of the target school, performing sensitivity analysis, obtaining a sensitivity grade based on the sensitivity analysis result, and obtaining communication interaction node operation data based on the sensitivity grade and the multi-dimensional teaching information data. The communication adaptation model construction module is responsible for establishing a communication adaptation model based on the sensitivity grade and the multi-dimensional teaching information data, and obtaining communication interaction node operation data. The hierarchical encryption module is responsible for performing hierarchical encryption processing on the multi-dimensional teaching information data based on the sensitivity grade, and constructing a satellite communication link hierarchical encryption channel. The data transmission track construction module is responsible for constructing a multi-dimensional teaching information data satellite transmission track based on the communication adaptation model, the communication interaction node operation data, and the satellite communication link hierarchical encryption channel. The information management module is responsible for constructing a target campus information comprehensive management model, and realizing information management of the target campus.

[0027] It should be understood that the sequence of the above processes does not mean the execution order in various embodiments of the present application, and the execution order of the processes should be determined according to their functions and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0028] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

[0029] Finally, the above is only a preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A method for managing information based on satellite communication, characterized by, The method comprises the following steps: Step 1: Collecting multi-dimensional educational information data of target colleges and universities, and performing sensitivity analysis, and obtaining sensitivity levels based on the sensitivity analysis results; Step 2: Based on the sensitivity levels and multi-dimensional educational information data, a communication adaptation model is established, and communication interaction node operation data is obtained; Step 3: Based on the sensitivity levels, the multi-dimensional educational information data is subjected to hierarchical encryption processing, and a satellite communication link hierarchical encryption channel is constructed; Step 4: According to the communication adaptation model, the communication interaction node operation data and the satellite communication link hierarchical encryption channel, a multi-dimensional educational information data satellite transmission orbit is constructed; Step 5: A target campus information comprehensive management model is constructed to realize the information management of the target campus.

2. The information management method based on satellite communication according to claim 1, wherein, The multi-dimensional educational information data includes: teacher and student personal information, teaching management data, resource allocation data, administrative management data, and other data.

3. The information management method based on satellite communication according to claim 1, wherein, The specific process of obtaining the sensitivity levels includes: Setting a sensitivity analysis unit to perform item-by-item sensitivity analysis on the multi-dimensional educational information data; according to the sensitivity analysis results of each data in privacy protection, presetting sensitivity weights; and according to the preset sensitivity weights, calculating the sensitivity scores of each data in the multi-dimensional educational information data; according to the sensitivity scores, dividing the multi-dimensional educational information data into high-sensitivity data, medium-sensitivity data and low-sensitivity data, and marking them as sensitivity levels, the sensitivity levels include: first sensitivity level, second sensitivity level and third sensitivity level.

4. The information management method based on satellite communication according to claim 1, wherein, The specific process of establishing a communication adaptation model includes: According to the sensitivity levels, the multi-dimensional educational information data is grouped, and the grouping results are obtained, any one of which is taken as a communication adaptation node, which is responsible for docking with a specific transmission node in the satellite communication link, a plurality of communication adaptation nodes are obtained, and a communication adaptation network is formed, and the network topology structure is extracted, and the network topology structure is input into a pre-set communication adaptation generation unit to obtain a communication adaptation model.

5. The information management method based on satellite communication according to claim 1, wherein, The communication interaction node operation data includes: node running time, node failure rate, node processing task quantity, node memory occupancy rate, node bandwidth utilization rate, node inter-packet transmission time, node inter-signal stability, node packet loss rate, and node signal strength.

6. The information management method based on satellite communication according to claim 1, wherein, The specific process of constructing a satellite communication link hierarchical encryption channel includes: The multi-dimensional educational administration information data is processed according to the sensitivity level, a hash value of the multi-dimensional educational administration information data of each layer is obtained by using a hash function, a hash value sequence is obtained by integrating the hash value of each layer, the hash value sequence of each layer is dynamically disturbed based on chaos theory to obtain a disturbed hash value sequence, a random number string is generated by using a random number generator, the generated random number string and the disturbed hash value sequence are randomly combined to serve as an initial encryption key, the initial encryption key is fused with a preset encryption key of each layer to obtain an encryption key of the corresponding layer, the multi-dimensional educational administration information data is encrypted by using the encryption key of the corresponding layer to form a layered encryption channel of different levels, and the layered encryption channel of different levels serves as a layered encryption channel of a satellite communication link.

7. The information management method based on satellite communication according to claim 1, wherein, The specific process of constructing the multi-dimensional educational administration information data satellite transmission orbit includes: The basic parameters of the multi-dimensional educational administration information data transmission are determined based on a communication adaptation model, the basic parameters include a data frame structure, an encoding format, a transmission rate adaptation rule and a data type identifier, dynamic routing planning is performed according to the real-time monitored communication interaction node operation data, an optimal satellite transmission orbit is selected to avoid congestion or fault nodes, the layered encryption channel of the satellite communication link is deeply fused with the optimal satellite transmission orbit to construct an initial multi-dimensional educational administration information data satellite transmission orbit, the transmission stability, encryption effectiveness and adaptability of the initial multi-dimensional educational administration information data satellite transmission orbit are verified through simulation test, and the initial multi-dimensional educational administration information data satellite transmission orbit with high transmission stability, encryption effectiveness and adaptability after the simulation test is verified is used as the final multi-dimensional educational administration information data satellite transmission orbit.

8. The information management method based on satellite communication according to claim 1, wherein, The specific process of realizing the target campus information management includes: The satellite communication terminal equipment is deployed, data interaction is completed through the multi-dimensional educational administration information data satellite transmission orbit according to a data transmission protocol, the multi-dimensional educational administration information data after the interaction is completed is imported into a pre-constructed target campus information comprehensive management model, the model performs decryption and verification processing on the multi-dimensional educational administration information data, deep mining and analysis are performed on the multi-dimensional educational administration information data by using a big data analysis technology, a visual management interface is developed, real-time query, update and approval of the information of the multi-dimensional educational administration information data are supported for educational administration personnel, an abnormality monitoring function is embedded, centralized management and intelligent decision support of the target campus informationization whole process are realized, and the target campus informationization management is realized.

9. A satellite communication based information management system applying a satellite communication based information management method as claimed in any one of claims 1 to 8, characterized in that, The system includes the following modules: a data acquisition and level division module, a communication adaptation model construction module, a layered encryption module, a data transmission orbit construction module and an informationization management module. The data acquisition and level division module is responsible for collecting multi-dimensional educational administration information data of a target school and performing sensitivity analysis, and the sensitivity level is obtained based on the sensitivity analysis result. The communication adaptation model construction module is responsible for establishing a communication adaptation model based on the sensitivity level and the multi-dimensional educational administration information data, and obtaining communication interaction node operation data. The hierarchical encryption module is responsible for hierarchical encryption processing of the multi-dimensional educational administration information data based on the sensitivity level, and constructs a satellite communication link hierarchical encryption channel. The data transmission track construction module is responsible for constructing a multi-dimensional educational administration information data satellite transmission track according to a communication adaptation model, communication interaction node running data and the satellite communication link hierarchical encryption channel. The information management module; The information management module is responsible for constructing a target campus information comprehensive management model, and realizing target campus information management.

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