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衛(wèi)星定位連續(xù)運行參考站網(wǎng)的系統(tǒng)架構(gòu)及軟件體系設(shè)計
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化工建筑畢業(yè)論文（設(shè)計） |
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大地測量學(xué)與測量工程 |
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碩士學(xué)位論文 衛(wèi)星定位連續(xù)運行參考站網(wǎng)的系統(tǒng)架構(gòu)及軟件體系設(shè)計，共106頁
目 錄
摘 要·········································································································································· 1
Abstract ········································································································································ 2
第一章 緒論···························································································································· 1
1.1 引 言···························································································································· 1
1.2 臺站網(wǎng)思想的衍化········································································································ 1
1.3 國外研究和建設(shè)現(xiàn)狀···································································································· 2
1.4 國內(nèi)研究和建設(shè)現(xiàn)狀···································································································· 5
1.5 CORS和空間信息技術(shù)在我國的發(fā)展趨勢···································································· 8
1.6 本文研究目的與主要內(nèi)容·························································································· 12
第二章 CORS及相關(guān)定位技術(shù)······························································································· 13
2.1 CORS的定義與組成····································································································· 13
2.1.1 CORS的定義······································································································· 13
2.1.2 CORS的組成······································································································· 13
2.2 CORS的分類與服務(wù)內(nèi)容····························································································· 14
2.2.1 CORS的分類······································································································· 14
2.2.2 CORS的服務(wù)內(nèi)容······························································································· 15
2.3 CORS相關(guān)定位技術(shù)····································································································· 17
2.3.1 差分定位技術(shù)概述···························································································· 17
2.3.2 RTK與網(wǎng)絡(luò)RTK技術(shù)·························································································· 18
2.3.3 基于CORS的定位技術(shù)······················································································ 19
2.4 網(wǎng)絡(luò)RTK的技術(shù)類型··································································································· 20
2.4.1 VRS技術(shù)············································································································· 20
2.4.2 FKP技術(shù)·············································································································· 21
2.4.3 VRS與FKP比較·································································································· 22
2.5 網(wǎng)絡(luò)RTK的關(guān)鍵技術(shù)··································································································· 22
2.5.1 整周模糊度解算方法························································································· 22
2.5.2 差分改正數(shù)計算方法························································································· 24
2.6 本章小結(jié)······················································································································ 24
第三章 CORS業(yè)務(wù)流程與系統(tǒng)功能······················································································· 26
3.1 系統(tǒng)體系結(jié)構(gòu)·············································································································· 26
3.2 系統(tǒng)業(yè)務(wù)流程·············································································································· 27 信息工程大學(xué)碩士學(xué)位論文
第2頁
3.2.1 實時定位服務(wù)業(yè)務(wù)流程····················································································· 28
3.2.2 事后定位服務(wù)業(yè)務(wù)流程····················································································· 28
3.2.3 系統(tǒng)服務(wù)的技術(shù)指標(biāo)························································································· 29
3.3 系統(tǒng)數(shù)據(jù)流程·············································································································· 30
3.3.1 系統(tǒng)數(shù)據(jù)流········································································································· 30
3.3.2 系統(tǒng)接口············································································································· 31
3.4 各子系統(tǒng)功能設(shè)計······································································································ 31
3.4.1 基準(zhǔn)站網(wǎng)子系統(tǒng)（RSS）·················································································· 31
3.4.2 系統(tǒng)控制與數(shù)據(jù)處理中心（SMC）································································· 35
3.4.3 用戶服務(wù)中心（USS）····················································································· 37
3.4.4 數(shù)據(jù)通信子系統(tǒng)（DCS）················································································· 38
3.4.5 用戶應(yīng)用子系統(tǒng)（UAS）················································································· 40
3.5 本章小結(jié)······················································································································ 40
第四章 CORS中間件與軟件設(shè)計··························································································· 42
4.1 軟件基本架構(gòu)設(shè)計······································································································ 42
4.1.1 系統(tǒng)網(wǎng)絡(luò)體系結(jié)構(gòu)···························································································· 42
4.1.2 軟件設(shè)計依據(jù)與原則························································································· 44
4.2 CORS中間件設(shè)計········································································································· 44
4.2.1 基類的構(gòu)建········································································································ 44
4.2.1 子類的構(gòu)建········································································································ 45
4.2.1 中間件的構(gòu)建與部署························································································· 47
4.3 CORS數(shù)據(jù)庫設(shè)計········································································································· 47
4.3.1 參考站數(shù)據(jù)分析································································································ 48
4.3.2 數(shù)據(jù)存儲及管理方式的選擇············································································· 50
4.3.3 CORS數(shù)據(jù)庫設(shè)計······························································································· 52
4.4 CORS軟件設(shè)計············································································································· 54
4.4.1 基準(zhǔn)站軟件（CORS-RSS）設(shè)計······································································ 54
4.4.2 系統(tǒng)管理軟件（CORS-SMC）設(shè)計································································· 57
4.4.3 數(shù)據(jù)處理軟件（CORS-DOT）設(shè)計································································· 60
4.4.4 用戶服務(wù)軟件（CORS-USS）設(shè)計·································································· 63
4.4.5 用戶應(yīng)用軟件（CORS-UAS）設(shè)計································································· 65
4.5 本章小結(jié)······················································································································ 67
第五章 CORS在線數(shù)據(jù)服務(wù)系統(tǒng)設(shè)計··················································································· 69
5.1 基本功能分析··············································································································· 69
5.1.1 基本功能需求···································································································· 69
......
摘 要
衛(wèi)星定位連續(xù)運行參考站網(wǎng)相關(guān)技術(shù)的應(yīng)用與研究，目前是測繪界研究的熱點之一，國內(nèi)外各類 CORS 正相繼建立。經(jīng)歷多年的理論研究和具體實踐，其工程水平和技術(shù)水平相繼成熟，積累了一定的核心算法和服務(wù)模式，已經(jīng)到了從整體上對其進(jìn)一步研究和集成優(yōu)化的階段。建設(shè) CORS 的服務(wù)體系是一個復(fù)雜的系統(tǒng)化工程，涵蓋了 CORS 從數(shù)據(jù)采集到服務(wù)應(yīng)用整個流程。本文針對 CORS 服務(wù)體系的數(shù)據(jù)共享和服務(wù)共享問題，從軟件工程角度對 CORS 的數(shù)據(jù)采集、處理、計算、分發(fā)、服務(wù)等方面作了進(jìn)一步梳理，主要研究內(nèi)容
和創(chuàng)新點如下：
1）在立足當(dāng)前研究現(xiàn)狀和現(xiàn)有 CORS 建設(shè)的基礎(chǔ)上，討論了 CORS 的概念和較全面的分類；對 CORS 基礎(chǔ)設(shè)施完備性進(jìn)行了探討，對 CORS 各組成部分及其功能定位做了劃分和界定；較詳細(xì)地分析了各子系統(tǒng)的功能和設(shè)備組成，建立了完善、實用且有利于擴(kuò)展的拓?fù)浣Y(jié)構(gòu)；分析了 CORS 系統(tǒng)中最為核心的兩種服務(wù)形式（實時定位服務(wù)與精密事后服務(wù)），分別闡述了其業(yè)務(wù)流程和數(shù)據(jù)流程；對 CORS 的技術(shù)指標(biāo)，按覆蓋范圍、服務(wù)領(lǐng)域、系統(tǒng)精度、服務(wù)方式、可用性、完好性和兼容性等方面進(jìn)行了表述。
2）對 CORS 相關(guān)軟件的研制現(xiàn)狀進(jìn)行了分析和總結(jié)，對 CORS 的業(yè)務(wù)流程和數(shù)據(jù)流程進(jìn)行了建模，提出了較完備的 CORS 分布式軟件體系結(jié)構(gòu)、層次模型、部署方式�；� CORS中間件平臺（CORS-MW） ，對基準(zhǔn)站軟件（CORS-RSS）、系統(tǒng)管理軟件（CORS-SMC） 、數(shù)據(jù)計算軟件（CORS-DOT） 、用戶服務(wù)軟件（CORS-USS）、事后定位服務(wù)軟件（CORS-WEB）和用戶應(yīng)用軟件（CORS-UAS）等 6 個軟件進(jìn)行了自主設(shè)計，并用 UML 圖例對各個軟件的部件、類和核心交互流程進(jìn)行了較詳細(xì)的闡述。
3）對 CORS 相關(guān)的業(yè)務(wù)數(shù)據(jù)、工況數(shù)據(jù)等進(jìn)行了分析和匯總，提出并采用了基于實時數(shù)據(jù)的存儲和管理方式，設(shè)計了基準(zhǔn)站數(shù)據(jù)庫、業(yè)務(wù)數(shù)據(jù)庫和服務(wù)數(shù)據(jù)庫等三類數(shù)據(jù)庫，并闡述了它們之間的數(shù)據(jù)同步關(guān)系，建立了較合理的數(shù)據(jù)庫邏輯模型和物理模型。
4）針對 CORS 事后定位服務(wù)，制定了軟件設(shè)計和開發(fā)策略，將 CORS-WEB 劃分為在線數(shù)據(jù)服務(wù)系統(tǒng)（CORS-ODS）和在線定位服務(wù)系統(tǒng)（CORS-OPS）兩部分。對兩者的基本功能分別進(jìn)行了較細(xì)致的分析，提出了技術(shù)集成方案和系統(tǒng)設(shè)計方案，開發(fā)了原型系統(tǒng)。
本文提出的 CORS 系統(tǒng)架構(gòu)，從完備性、集成性、可擴(kuò)展性、安全性方面進(jìn)行了較細(xì)致的研究，并給出了較合理的方案，對 CORS 相關(guān)工程建設(shè)有一定的借鑒意義；本文在軟件體系架構(gòu)方面的設(shè)計成果和實踐，可有效地改善當(dāng)前 CORS 領(lǐng)域軟件開發(fā)現(xiàn)狀中軟件和研究成果保密、軟件功能單一、無統(tǒng)一的開發(fā)標(biāo)準(zhǔn)和架構(gòu)模型等一系列問題，具有一定的實用價值。
關(guān)鍵詞：GNSS，CORS，UML，連續(xù)運行參考站，服務(wù)，中間件，軟件，數(shù)據(jù)庫，體系架構(gòu)
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