1、精選優(yōu)質文檔-傾情為你奉上精選優(yōu)質文檔-傾情為你奉上專心-專注-專業(yè)專心-專注-專業(yè)精選優(yōu)質文檔-傾情為你奉上專心-專注-專業(yè)習題在后面部分例題：如下（表格里草圖）的閉合導線，已知12邊的坐標方位角，1點坐標為（540.380,1236.700），外業(yè)觀測邊長和角度如圖，計算各導線點坐標。點號觀測角（ ）改正數(shù)（）改正后的角（ ）坐標方位角（ ）距離D（m）坐標增量改正后的坐標增量坐標值點號x( m)y( m)( m)( m)2226 57 02已知先轉換為。若題上沒有給出方位角，則自己根據題上數(shù)據推算起始方位角2196 09 15+1296 09 27540.3801236.700已知起點坐

2、標1143 06 2988.100.01270.460+0.014 +52.88770.472+52.9015點號不一定就從1號點開始，要看題目給的起算數(shù)據，逆時針順序寫點號124 02 42+12124 02 54469.9081289.601587 09 23133.060.018+6.601+0.021+132.896+6.583+132.9174102 02 09+12102 02 21476.4911422.51849 11 44109.510.014+108.103+0.018+17.500+108.089+17.5183117 05 24+12117 05 36584.58014

3、40.0363306 17 20108.430.014+64.175+0.01887.400+64.16187.3822100 39 30+12100 39 42648.7411352.6542226 57 02閉合導線應等于起始邊已知方位角158.710.021108.340+0.026115.980108.361115.5941540.3801236.700閉合導線該欄推算坐標應等于起點已知坐標1539 59 00 +60應等于540 00 00必須等于多邊形理論內角和180（n-2）587.81+0.0790.09700閉合導線該兩欄等于0輔助計算必須加上比較小于允許值，才能說明符合要求

4、+0.079 0.097 比賽時該值1/5000 草圖1、計算導線點坐標答案：點號觀測角（ ）改正數(shù)（）改正后的角（ ）坐標方位角（ ）距離（m）坐標增量改正后的坐標增量坐標值點號x( m)y( m)( m)( m)1335 24 00201.60+0.055+183.302+0.01583.922+183.35783.907500.00050000012108 27 1810108 27 08683.357416.0932263 51 08263.40+0.07228.208+0.021261.88528.136261.864384 10 181084 10 08655.221154.229

5、3168 01 16241.00+0.065235.752+0.018+50.020235.687+50.0384135 49 1110135 49 01419.534204.2674123 50 17200.40+0.054111.592+0.015+166.455111.538+166.470590 07 011090 05 51307.996370.737533 57 17231.40+0.063+191.941+0.017+129.246+192.004+129.2631121 27 0210121 26 52500.000500.0001335 24 0022540 00 5050540 00 001137.