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    實用GPS測量數據處理教程.doc

    2013-08-23 17:48:49 來源: 測繪論壇
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      實用GPS測量數據處理教程

    概述              1

    第一章         GPS定位原理概述...................................................................................................................... 1

    1               GPS的組成.......................................................................................................................... 1

    2               GPS信號.............................................................................................................................. 1

    3               SPSPPS........................................................................................................................... 2

    4               GPS定位的常用觀測值.................................................................................................... 3

    5               GPS定位的誤差源............................................................................................................. 3

    6               GPS定位方法...................................................................................................................... 5

    第二章         坐標系、基準和坐標系統........................................................................................................ 9

    1               地球的形狀.......................................................................................................................... 9

    一、                   地球的自然表面............................................................................................................. 9

    二、                   地球的質量和重力........................................................................................................ 9

    三、                   大地水準面..................................................................................................................... 9

    四、                   參考橢球.......................................................................................................................... 9

    五、                   投影.................................................................................................................................. 9

    2               坐標系統.............................................................................................................................. 9

    一、                   坐標系的分類................................................................................................................. 9

    二、                   基準................................................................................................................................ 10

    三、                   坐標系變換與基準變換............................................................................................. 11

    四、                   GPS測量中常用的坐標系統.................................................................................... 16

    第三章         GPS靜態定位在測量中的應用............................................................................................ 19

    1               GPS靜態定位在測量中的應用..................................................................................... 19

    2               布設GPS基線向量網的工作步驟................................................................................ 19

    一、                   測前工作....................................................................................................................... 19

    二、                   測量實施....................................................................................................................... 20

    三、                   測后工作....................................................................................................................... 21

    第四章         技術設計...................................................................................................................................... 23

    1               技術設計的作用............................................................................................................... 23

    2               技術設計的內容............................................................................................................... 23

    第五章         布網方法...................................................................................................................................... 26

    1               GPS基線向量網的等級.................................................................................................. 26

    2               GPS基線向量網的布網形式......................................................................................... 26

    一、                   跟蹤站式....................................................................................................................... 27

    二、                   會戰式............................................................................................................................ 27

    三、                   多基準站式................................................................................................................... 28

    四、                   同步圖形擴展式.......................................................................................................... 28

    五、                   單基準站式................................................................................................................... 29

    3               采用同步圖形擴展的布網形式布設GPS基線向量網時的觀測作業方式.......... 29

    一、                   點連式............................................................................................................................ 30

    二、                   邊連式............................................................................................................................ 30

    三、                   網連式............................................................................................................................ 31

    四、                   混連式............................................................................................................................ 32

    4               布設GPS基線向量網時的設計指標........................................................................... 32

    一、                   效率指標....................................................................................................................... 32

    二、                   可靠性指標................................................................................................................... 33

    三、                   精度指標....................................................................................................................... 33

    5               GPS網的設計準則........................................................................................................... 33

    一、                   出發點............................................................................................................................ 33

    二、                   GPS網布網作業準則................................................................................................. 34

    第六章         GPS基線解算............................................................................................................................. 36

    1               GPS基線解算的基本原理.............................................................................................. 36

    一、                   觀測值............................................................................................................................ 36

    二、                   基線解算(平差)...................................................................................................... 37

    2               GPS基線解算的分類...................................................................................................... 38

    一、                   單基線解算................................................................................................................... 38

    二、                   多基線解....................................................................................................................... 39

    3               基線解算階段的質量控制.............................................................................................. 39

    一、                   質量控制指標及其應用............................................................................................. 39

    二、                   應用................................................................................................................................ 41

    4               影響GPS基線解算結果的幾個因素及其應對方法................................................. 42

    一、                   影響GPS基線解算結果的幾個因素...................................................................... 42

    二、                   影響GPS基線解算結果因素的判別及應對措施................................................. 42

    5               GPS基線解算的過程...................................................................................................... 48

    第七章         GPS基線向量網平差............................................................................................................... 51

    1               GPS網平差的分類........................................................................................................... 51

    一、                   三維平差和二維平差.................................................................................................. 51

    二、                   無約束平差、約束平差和聯合平差........................................................................ 52

    2               GPS網平差原理............................................................................................................... 52

    一、                   三維無約束平差.......................................................................................................... 52

    二、                   三維聯合平差............................................................................................................... 54

    三、                   二維聯合平差............................................................................................................... 55

    3               GPS網平差的過程........................................................................................................... 55

    一、                   提取基線向量,構建GPS基線向量網.................................................................. 55

    二、                   三維無約束平差.......................................................................................................... 55

    三、                   約束平差/聯合平差..................................................................................................... 55

    四、                   質量分析與控制.......................................................................................................... 56

    4               GPS網平差中起算數據的檢驗..................................................................................... 56

    一、                   方差檢驗法................................................................................................................... 56

    二、                   符合路線法................................................................................................................... 57

    三、                   檢查點法....................................................................................................................... 57

    第八章         GPS高程...................................................................................................................................... 59

    1               高程系統............................................................................................................................ 59

    一、                   大地高系統................................................................................................................... 59

    二、                   正高系統....................................................................................................................... 59

    三、                   正常高............................................................................................................................ 59

    四、                   高程系統之間的轉換關系......................................................................................... 60

    2               GPS高程的方法............................................................................................................... 60

    一、                   等值線圖法................................................................................................................... 60

    二、                   地球模型法................................................................................................................... 61

    三、                   高程擬合法................................................................................................................... 61

    第九章         技術總結...................................................................................................................................... 65

    1               技術總結的作用............................................................................................................... 65

    2               技術總結的內容............................................................................................................... 65

    附錄              69

    1               RINEX格式...................................................................................................................... 69

    2               GPSurvey軟件使用....................................................................................................... 90

    一、                   GPSurvey軟件概述.................................................................................................... 90

    二、                   建立項目....................................................................................................................... 95

    三、                   數據傳輸....................................................................................................................... 97

    四、                   基線解算.................................................................................. 

    五、                   基線向量網平差(TRIMNET PLUS.................................................................. 100

    3               詞匯表.............................................................................................................................. 115

     

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