發(fā)布時(shí)間：2018-06-02 22:14

  本文選題：增量更新 + 更新模式�。� 參考：《天津師范大學(xué)》2013年碩士論文

【摘要】：導(dǎo)航電子地圖數(shù)據(jù)的現(xiàn)勢(shì)性是制約導(dǎo)航技術(shù)發(fā)展的瓶頸因素,隨著經(jīng)濟(jì)的快速發(fā)展,現(xiàn)實(shí)地理要素的變化日新月異,傳統(tǒng)的導(dǎo)航電子地圖數(shù)據(jù)更新模式已經(jīng)遠(yuǎn)遠(yuǎn)不能滿足導(dǎo)航技術(shù)發(fā)展的現(xiàn)勢(shì)性需求。因此針對(duì)發(fā)生變化的地理要素的增量式導(dǎo)航電子地圖更新方式成為解決這一問(wèn)題的最佳途徑。 本文就導(dǎo)航電子地圖增量式更新的過(guò)程中所采用的關(guān)鍵技術(shù)進(jìn)行了理論闡述和實(shí)踐驗(yàn)證,其中增量更新模式的確立與選取、增量包數(shù)據(jù)的格式與存儲(chǔ)、導(dǎo)航數(shù)據(jù)的融合與應(yīng)用是本文的主要研究?jī)?nèi)容,也是本文的重點(diǎn)。具體來(lái)說(shuō),本文的主要研究工作有以下幾個(gè)方面： 第一,論文在分析了研究導(dǎo)航電子地圖增量式更新的必要性基礎(chǔ)上,總結(jié)了國(guó)內(nèi)外對(duì)于導(dǎo)航電子地圖更新的研究進(jìn)展,并指出了以往的導(dǎo)航電子地圖更新模式存在的問(wèn)題,提出并完善了針對(duì)于導(dǎo)航電子地圖變化信息的數(shù)據(jù)發(fā)現(xiàn)、分析甄別、獲取采集、處理制作、生產(chǎn)發(fā)布的閉環(huán)式增量更新服務(wù)模式。 第二,對(duì)于導(dǎo)航電子地圖增量更新過(guò)程中使用的增量數(shù)據(jù)包進(jìn)行了優(yōu)化設(shè)計(jì)。增量包的組織結(jié)構(gòu)與版本導(dǎo)航數(shù)據(jù)的格式基本一致,其中存儲(chǔ)增加、修改、刪除的變化要素。本文采取了對(duì)于增量包數(shù)據(jù)分?jǐn)?shù)據(jù)集、分圖幅、分圖層的組織形式對(duì)數(shù)據(jù)進(jìn)行存儲(chǔ),并使用導(dǎo)航電子地圖拓?fù)渚S護(hù)系統(tǒng)對(duì)增量數(shù)據(jù)拓?fù)渚S護(hù)。 第三,對(duì)于增量包數(shù)據(jù)和版本數(shù)據(jù)進(jìn)行融合采用了預(yù)留圖幅空間和指針地址相結(jié)合的方式。提出并使用了針對(duì)變化要素過(guò)多的圖幅全部替換的方式,考慮并分析了在數(shù)據(jù)融合過(guò)程中出現(xiàn)的關(guān)鍵問(wèn)題,對(duì)導(dǎo)航電子地圖增量更新在導(dǎo)航終端和網(wǎng)絡(luò)地圖上的應(yīng)用進(jìn)行了探索和實(shí)現(xiàn)。 第四,在本文理論的基礎(chǔ)上,設(shè)計(jì)并實(shí)現(xiàn)了導(dǎo)航電子地圖在終端平臺(tái)上的系統(tǒng)應(yīng)用。在實(shí)踐的基礎(chǔ)上,以天津?qū)Ш綌?shù)據(jù)為實(shí)驗(yàn)數(shù)據(jù),設(shè)計(jì)生成了增量包數(shù)據(jù),并將增量包數(shù)據(jù)融合到原導(dǎo)航數(shù)據(jù)中,驗(yàn)證了本文理論的可行性,實(shí)現(xiàn)了導(dǎo)航電子地圖增量式更新。
[Abstract]:The potential of the navigation electronic map data is the bottleneck of the development of navigation technology. With the rapid development of the economy, the change of the real geographical elements is changing. The traditional data updating mode of the navigation electronic map can not meet the demand of the development of navigation technology. The way of updating electronic map is the best way to solve this problem.
In this paper, the key technology adopted in the process of incremental updating of navigation electronic map is expounded and verified in practice. The establishment and selection of incremental updating mode, the format and storage of incremental packet data, the fusion and application of navigation data are the main research contents of this paper, and the focus of this paper. The main research work has the following aspects:
First, on the basis of analyzing the necessity of studying the incremental updating of navigation electronic map, this paper summarizes the research progress on the update of navigation electronic map at home and abroad, and points out the problems existing in the previous updating mode of the navigation electronic map, and puts forward and perfects the data discovery for the change information of navigation electronic map, and analyzes the analysis and screening. Do not get the closed loop incremental update service mode of acquisition, processing and production release.
Second, the incremental packets used in the incremental updating process of the navigation electronic map are optimized. The organizational structure of the incremental packet is basically consistent with the format of the version navigation data, in which the change elements are stored, modified and deleted. The data is stored, and the topology maintenance system of the navigation electronic map is used to maintain the incremental data topology.
Third, the combination of the incremental packet data and the version data is combined with the combination of the reserved map space and the pointer address. This paper puts forward and uses the way to replace all the overmuch change elements, considering and analyzing the key questions in the process of data fusion, and the incremental updating of the navigation electronic map in the end of navigation. The application on end and network map is explored and implemented.
Fourth, on the basis of this theory, the application of the navigation electronic map on the terminal platform is designed and realized. Based on the practice, based on the experimental data of Tianjin navigation data, the incremental packet data is designed and generated, and the incremental packet data is fused into the original navigation data. The feasibility of the theory is verified and the navigation electronic is realized. Incremental update of the map.
【學(xué)位授予單位】：天津師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：P283.7

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本文編號(hào)：1970388