本文選題：G/S模式 + 數(shù)字月球�。� 參考：《成都理工大學(xué)》2013年碩士論文

【摘要】：隨著地理信息技術(shù)的廣泛應(yīng)用，在不同的行業(yè)及領(lǐng)域承擔(dān)著越來(lái)越重要的作用，地理信息系統(tǒng)所面臨的問(wèn)題就越來(lái)越突出。服務(wù)器端對(duì)大數(shù)據(jù)的支持不夠，客戶端的資源未被有效的利用等，針對(duì)上述一些問(wèn)題，成都理工大學(xué)空間信息研究所提出了G/S模式，經(jīng)過(guò)幾年的研究與發(fā)展已經(jīng)成為一個(gè)較為成熟空間數(shù)據(jù)網(wǎng)絡(luò)訪問(wèn)模型，并在不同的應(yīng)用中得到了驗(yàn)證。 隨著嫦娥計(jì)劃的不斷推進(jìn)，，中國(guó)獲得了一批精準(zhǔn)有效的月球探測(cè)數(shù)據(jù)，如何科學(xué)有效的利用這些數(shù)據(jù)成為了現(xiàn)今研究的一大問(wèn)題，為了促進(jìn)月球數(shù)據(jù)的有效利用國(guó)家開展了863項(xiàng)目《月表形貌與月球構(gòu)造的信息提取和虛擬月球環(huán)境關(guān)鍵技術(shù)研究》，成都理工大學(xué)空間研究所成為項(xiàng)目的參與者之一，申請(qǐng)了包括嫦娥一號(hào)及二號(hào)的數(shù)據(jù)，為進(jìn)一步的研究打下了堅(jiān)實(shí)的基礎(chǔ)。 為了促進(jìn)月球科學(xué)數(shù)據(jù)及研究成果的共享，將國(guó)內(nèi)外的月球研究數(shù)據(jù)集成到一個(gè)統(tǒng)一的數(shù)字月球數(shù)據(jù)共享平臺(tái)已經(jīng)成為一項(xiàng)重要的研究?jī)?nèi)容，本課題利用現(xiàn)有的月球探測(cè)的數(shù)據(jù)與服務(wù)、針對(duì)月球研究中數(shù)據(jù)無(wú)法集中共享、研究成果不能有效展示的問(wèn)題，在G/S模式及現(xiàn)有數(shù)據(jù)源的基礎(chǔ)上，研究設(shè)計(jì)基于數(shù)據(jù)共享匯聚的數(shù)字月球平臺(tái)，在G/S模式的基礎(chǔ)上設(shè)計(jì)了服務(wù)器端、客戶端及數(shù)據(jù)注冊(cè)中心。服務(wù)器端主要功能為數(shù)據(jù)的分布式的存儲(chǔ)及服務(wù)的發(fā)布，客戶端主要功能為服務(wù)的獲取及數(shù)據(jù)的展示及分析，數(shù)據(jù)注冊(cè)中心主要功能為元數(shù)據(jù)的存儲(chǔ)與發(fā)布，并且將統(tǒng)一的元數(shù)據(jù)交換標(biāo)準(zhǔn)HGML利用與數(shù)字月球平臺(tái)中，以實(shí)現(xiàn)客戶端與數(shù)據(jù)注冊(cè)中心的元數(shù)據(jù)交互。 建立在創(chuàng)新型研究工作的基礎(chǔ)上，本研究課題取得了一系列的研究成果，主要有一下三方面的內(nèi)容： （1）數(shù)字月球平臺(tái)的初步設(shè)計(jì)與實(shí)現(xiàn) 在G/S模式的指導(dǎo)下，初步研究數(shù)字月球平臺(tái)的框架，利用團(tuán)隊(duì)現(xiàn)有的技術(shù)和數(shù)據(jù)實(shí)現(xiàn)數(shù)字月球平臺(tái)的初步設(shè)計(jì)。在畢業(yè)論文完成時(shí)可以完成一個(gè)初步的原型系統(tǒng)，此原型系統(tǒng)將成為以后研究的基礎(chǔ)。 （2）數(shù)據(jù)注冊(cè)中心與月球研究數(shù)據(jù)集成 按照G/S模式下的數(shù)據(jù)匯聚的思想初步設(shè)計(jì)數(shù)據(jù)注冊(cè)中心，數(shù)據(jù)注冊(cè)中心可以實(shí)現(xiàn)元數(shù)據(jù)的注冊(cè)，實(shí)現(xiàn)數(shù)據(jù)的匯聚，數(shù)據(jù)注冊(cè)中心是可擴(kuò)展的，當(dāng)元數(shù)據(jù)類型增多時(shí)，數(shù)據(jù)注冊(cè)中心可以根據(jù)需求存儲(chǔ)更多類型的元數(shù)據(jù)信息。當(dāng)前在元數(shù)據(jù)注冊(cè)中心中主要保存了三個(gè)類型的元數(shù)據(jù),分別為數(shù)據(jù)描述元數(shù)據(jù)、服務(wù)描述元數(shù)據(jù)及狀態(tài)描述元數(shù)據(jù)。 （3）G/S模式下數(shù)據(jù)安全機(jī)制研究 G/S模式下數(shù)據(jù)安全非常的關(guān)鍵，大多數(shù)的GIS數(shù)據(jù)非常的寶貴，使用者只允許在GIS平臺(tái)上使用和觀測(cè)數(shù)據(jù)，不允許將緩存在本地的數(shù)據(jù)還原，這就需要在客戶端進(jìn)行一些加密措施，本文對(duì)加密的機(jī)制進(jìn)行了一些理論性的討論與研究。同時(shí)軟件并非對(duì)大眾而只是對(duì)特定的研究人員開放，所以軟件本身的授權(quán)認(rèn)證機(jī)制也非常關(guān)鍵，本課題意在提出一種軟件授權(quán)認(rèn)證的方案。 本文的研究在多個(gè)方面具有創(chuàng)新性，取得了以下兩點(diǎn)創(chuàng)新點(diǎn)： （1）提出了一種基于數(shù)據(jù)注冊(cè)中心的嫦娥二號(hào)數(shù)字月球平臺(tái)的實(shí)現(xiàn)方法 本文在G/S模式的基礎(chǔ)上提出一種基于數(shù)據(jù)注冊(cè)中心的數(shù)字月球平臺(tái)的實(shí)現(xiàn)方法，并使得該月球平臺(tái)的基礎(chǔ)數(shù)據(jù)基于嫦娥二號(hào)，通過(guò)該方法可以基本實(shí)現(xiàn)海量嫦娥數(shù)據(jù)的發(fā)布與共享。 （2）提出了一種G/S模式下軟件授權(quán)認(rèn)證的方案 地理信息數(shù)據(jù)涉及機(jī)密的敏感信息，做好軟件的授權(quán)就十分的必要，本文提出了一種G/S模式下軟件授權(quán)的解決方案，可以較好的解決軟件的授權(quán)問(wèn)題，可以促進(jìn)G/S模式的進(jìn)一步推廣。
[Abstract]:With the wide application of geographic information technology, it plays a more and more important role in different industries and fields. The problems facing the GIS are becoming more and more prominent. The support of the server side to the large data is not enough, the resource of the client is not used effectively, and so on. In view of the above problems, the spatial information research of the Chengdu University of Technology The G/S model has been proposed. After several years of research and development, it has become a more mature spatial data network access model, and has been verified in different applications.
With the continuous advancement of Chang'e plan, China has obtained a number of accurate and effective lunar exploration data. How to make use of these data scientifically and effectively has become a major problem in the present study. In order to promote the effective use of the lunar data, the country has carried out the 863 project "the information extraction of the moon surface topography and the moon structure and the key to the virtual moon environment." Technology research, the Chengdu University of Technology Space Institute became one of the participants, and applied for the data of Chang'e I and No. two, which laid a solid foundation for further research.
In order to promote the sharing of lunar scientific data and research results, it has become an important research content to integrate the lunar research data at home and abroad to a unified digital lunar data sharing platform. This topic uses the data and services of the existing lunar exploration, and the data can not be shared in the lunar research, and the research results are not. On the basis of the G/S model and the existing data sources, the digital moon platform based on data sharing is designed and designed on the basis of the existing data sources. On the basis of the G/S model, the server side, the client and the data registration center are designed. The main functions of the server are the distributed storage and service release of the data, the main functions of the client. In order to obtain and analyze the service and data, the main function of the data registration center is the storage and release of metadata, and the unified metadata exchange standard HGML is used in the digital moon platform to realize the interaction between the client and the data registration center.
On the basis of innovative research work, a series of research achievements have been achieved in this study. There are three main contents:
(1) preliminary design and implementation of the digital lunar platform
Under the guidance of the G/S model, the framework of the digital lunar platform is preliminarily studied, and the preliminary design of the digital lunar platform is implemented using the existing technology and data of the team. A preliminary prototype system can be completed when the graduation thesis is completed. This prototype system will be the basis for future research.
(2) integration of data registration center with lunar research data
According to the idea of data aggregation under the G/S model, the data registration center can be designed. The data registration center can realize the registration of metadata, and the data registration center is extensible. When the metadata type increases, the data registration center can store more types of metadata information according to the requirements. The registry mainly preserves three types of metadata, namely data description metadata, service description metadata and state description metadata.
(3) research on data security mechanism under G/S mode
Data security is very important in G/S mode, and most of the GIS data are very valuable. Users only allow the use and observation of data on the GIS platform, and do not allow the cache to restore the local data. This requires some encryption measures on the client side. This paper has carried out some theoretical discussion and Research on the encrypted machine system. Software is not open to the public but only to specific researchers, so the authentication mechanism of the software itself is also very critical. This lesson is intended to propose a program of software authorization authentication.
The research in this paper is innovative in many aspects. Two innovations have been achieved:
(1) a method of realizing the lunar platform based on data registry is put forward for Chang'e two.
On the basis of G/S model, this paper proposes a digital lunar platform based on data registration center, and makes the basic data of the lunar platform based on Chang'e two. Through this method, we can basically realize the publication and sharing of massive Chang'e data.
(2) put forward a scheme of software authorization authentication under G/S mode.
Geographic information data involves sensitive and sensitive information, so it is necessary to do software authorization. In this paper, a solution of software authorization under G/S mode is proposed, which can better solve the authorization problem of software and promote the further extension of G/S model.
【學(xué)位授予單位】：成都理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：P184;TP311.52

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