測邊網(wǎng).測角網(wǎng).導線網(wǎng)典型計算

1、目錄目錄摘要....................................................................................................................................................................................1第1章測邊網(wǎng)坐標平差測邊網(wǎng)坐標平差................

2、..............................................................................................................................21.1近似坐標計算....................................................................................

3、.....................................................................31.2計算誤差方程的系數(shù)及常數(shù)項.............................................................................................................................41.3誤差方程.

4、................................................................................................................................................................41.4計算觀測值的權.................................................

5、....................................................................................................51.5組成法方程...............................................................................................................

6、..............................................51.6平差值計算.............................................................................................................................................................51.6.1坐標

7、平差值....................................................................................................................................................51.6.2邊長平差值計算........................................................

8、....................................................................................61.7精度計算................................................................................................................................

9、.................................61.7.1單位權中誤差................................................................................................................................................61.7.2待定點坐標中誤差.................

10、.......................................................................................................................6第2章三角網(wǎng)坐標平差三角網(wǎng)坐標平差...................................................................................

11、.............................................................72.1測角網(wǎng)函數(shù)模型....................................................................................................................................................

12、.82.2坐標方位角計算.....................................................................................................................................................92.2.1近似坐標方位角計算............................................

13、........................................................................................92.2.2坐標方位角計算.......................................................................................................................

14、.....................92.3近似坐標增量、近似邊長與誤差方程系數(shù).........................................................................................................92.4誤差方程的組成.............................................................

15、......................................................................................102.5確定權和組成法方程........................................................................................................................

16、...................112.6法方程系數(shù)陣的逆陣與參數(shù)改正數(shù)...................................................................................................................112.7平差值計算及精度評定...................................................

17、....................................................................................112.7.1待定點的最或然值.........................................................................................................................

18、.............112.7.2觀測值的改正數(shù)..........................................................................................................................................122.7.3點位中誤差...........................................

19、.......................................................................................................122.7.4觀測值平差值........................................................................................................

20、......................................12第3章導線網(wǎng)間接平差導線網(wǎng)間接平差.............................................................................................................................................133.1計算各邊坐標方位角改正數(shù)方程的系數(shù)

21、...........................................................................................................143.2確定角和邊的權.....................................................................................................

22、..............................................153.3計算角度和邊長誤差方程系數(shù)和常數(shù)項...........................................................................................................163.4誤差方程的組成和解...............................

23、............................................................................................................163.5平差值計算......................................................................................................

24、.....................................................213.6精度計算..............................................................................................................................................................

25、.213.6.1單位權中誤差..............................................................................................................................................213.6.2待定點點位中誤差計算...............................................

26、...............................................................................21參考文獻參考文獻...................................................................................................................................

27、.........................................22指導老師評語指導老師評語....................................................................................................................................................................2

28、31第1章測邊網(wǎng)坐標平差1.有測邊網(wǎng)如下圖所示。網(wǎng)中A、B、C及D為已知點，P1、P2、P3及P4為待定點，現(xiàn)用某測距儀觀測了13條邊長，測距精度起算數(shù)據(jù)及觀測邊長見表717。試按間接平差法求待定點??Smms10613?????坐標平差值及其中誤差。起算數(shù)據(jù)和觀測數(shù)據(jù)坐標（m）點名XY邊長（m）坐標方位角ˊ“A53743.13661003.826B47943.00266225.8547804.5581380008.6C40049.22

29、953782.790D36924.72861027.0867889.3811131950.8編號邊觀測值（m）編號邊觀測值（m）編號邊觀測值（m）15760.70568720.162115487.07325187.34275598.570128884.58937838.88087494.881137228.36745483.15897493.32355731.788105438.380解：由題意有n=13t=8選待定點的坐標為參數(shù)，即4