測(cè)邊網(wǎng).測(cè)角網(wǎng).導(dǎo)線網(wǎng)典型計(jì)算

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

2、..............................................................................................................................21.1近似坐標(biāo)計(jì)算....................................................................................

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

4、................................................................................................................................................................41.4計(jì)算觀測(cè)值的權(quán).................................................

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

6、..............................................51.6平差值計(jì)算.............................................................................................................................................................51.6.1坐標(biāo)

7、平差值....................................................................................................................................................51.6.2邊長(zhǎng)平差值計(jì)算........................................................

8、....................................................................................61.7精度計(jì)算................................................................................................................................

9、.................................61.7.1單位權(quán)中誤差................................................................................................................................................61.7.2待定點(diǎn)坐標(biāo)中誤差.................

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

11、.............................................................72.1測(cè)角網(wǎng)函數(shù)模型....................................................................................................................................................

12、.82.2坐標(biāo)方位角計(jì)算.....................................................................................................................................................92.2.1近似坐標(biāo)方位角計(jì)算............................................

13、........................................................................................92.2.2坐標(biāo)方位角計(jì)算.......................................................................................................................

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

15、......................................................................................102.5確定權(quán)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(jì)算及精度評(píng)定...................................................

17、....................................................................................112.7.1待定點(diǎn)的最或然值.........................................................................................................................

18、.............112.7.2觀測(cè)值的改正數(shù)..........................................................................................................................................122.7.3點(diǎn)位中誤差...........................................

19、.......................................................................................................122.7.4觀測(cè)值平差值........................................................................................................

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

21、...........................................................................................................143.2確定角和邊的權(quán).....................................................................................................

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

23、............................................................................................................163.5平差值計(jì)算......................................................................................................

24、.....................................................213.6精度計(jì)算..............................................................................................................................................................

25、.213.6.1單位權(quán)中誤差..............................................................................................................................................213.6.2待定點(diǎn)點(diǎn)位中誤差計(jì)算...............................................

26、...............................................................................21參考文獻(xiàn)參考文獻(xiàn)...................................................................................................................................

27、.........................................22指導(dǎo)老師評(píng)語(yǔ)指導(dǎo)老師評(píng)語(yǔ)....................................................................................................................................................................2

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

29、953782.790D36924.72861027.0867889.3811131950.8編號(hào)邊觀測(cè)值（m）編號(hào)邊觀測(cè)值（m）編號(hào)邊觀測(cè)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(diǎn)的坐標(biāo)為參數(shù)，即4