本文選題：地理空間數(shù)據(jù)　切入點(diǎn)：嵌入式系統(tǒng)　出處：《蘭州大學(xué)》2013年碩士論文

【摘要】：地理空間數(shù)據(jù)在嵌入式環(huán)境下的存儲(chǔ)應(yīng)用是地理信息系統(tǒng)的前沿及熱點(diǎn),嵌入式地理空間數(shù)據(jù)庫(kù)是嵌入式應(yīng)用的瓶頸。本文解決嵌入式車載導(dǎo)航系統(tǒng)中POI數(shù)據(jù)存儲(chǔ)應(yīng)用的技術(shù)問(wèn)題,即通過(guò)嵌入式空間數(shù)據(jù)庫(kù)SQLite來(lái)實(shí)現(xiàn)北斗導(dǎo)航系統(tǒng)中的POI數(shù)據(jù)組織管理。系統(tǒng)建立了嵌入式環(huán)境下地理空間數(shù)據(jù)到嵌入式數(shù)據(jù)庫(kù)的存儲(chǔ)映射,實(shí)現(xiàn)了基于嵌入式數(shù)據(jù)庫(kù)的北斗導(dǎo)航系統(tǒng)中對(duì)POI數(shù)據(jù)快速調(diào)度和檢索。 論文介紹了國(guó)內(nèi)外車載導(dǎo)航系統(tǒng)中對(duì)POI存儲(chǔ)應(yīng)用情況,簡(jiǎn)要分析了嵌入式地理空間數(shù)據(jù)庫(kù)特征和結(jié)構(gòu),隨后闡述了嵌入式關(guān)系數(shù)據(jù)庫(kù)SQLite的體系結(jié)構(gòu)和開發(fā)機(jī)制。系統(tǒng)介紹了導(dǎo)航系統(tǒng)中涉及的地理空間數(shù)據(jù)及在系統(tǒng)中的組織方式,構(gòu)建了基于SQLite數(shù)據(jù)庫(kù)的北斗導(dǎo)航系統(tǒng)的開發(fā)平臺(tái),實(shí)現(xiàn)了嵌入式環(huán)境下地理空間數(shù)據(jù)從文件管理方式到嵌入式地理空間數(shù)據(jù)庫(kù)SQLite下轉(zhuǎn)變,利用EVC工具對(duì)SQLite的應(yīng)用方法進(jìn)行了二次封裝,最后本文給出了基于嵌入式數(shù)據(jù)庫(kù)SQLite勺北斗導(dǎo)航系統(tǒng)的實(shí)例。
[Abstract]:The storage and application of geospatial data in embedded environment is the frontier and hotspot of GIS. Embedded geospatial database is the bottleneck of embedded application. This paper solves the technical problem of POI data storage application in embedded vehicle navigation system. That is, through the embedded spatial database SQLite to realize the organization and management of POI data in Beidou navigation system, the system established the storage mapping from the geographical spatial data to the embedded database in the embedded environment. The fast scheduling and retrieval of POI data in Beidou navigation system based on embedded database is realized. This paper introduces the application of POI storage in vehicle navigation system at home and abroad, and briefly analyzes the characteristics and structure of embedded geospatial database. Secondly, the architecture and development mechanism of embedded relational database (SQLite) are described. The geospatial data involved in navigation system and its organization mode are introduced systematically. The development platform of Beidou navigation system based on SQLite database is constructed. The change of geospatial data in embedded environment from file management mode to embedded geospatial database SQLite is realized. The application method of SQLite is encapsulated twice by using EVC tool. Finally, an example of Beidou navigation system based on embedded database SQLite is given.
【學(xué)位授予單位】：蘭州大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：P228.4

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