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1、水平角测量及计算,答案：,1、整理水平角观测记录表，计算出该水平角。,44 42 48 44 47 48 44 52,垂直角测量及计算,答案：,2、整理竖角观测记录表，计算出竖角（竖盘为逆时针注记）。,+7 05 30 +3 +7 05 33 +7 05 36 -4 25 54 -6 -4 26 00 -4 26 06,钢尺量距计算,答案：,1、今用同一钢尺丈量两段距离。一段距离的往测值为126.78m，返测值为126.68m。另一段距离的往测值为357.23m，返测值为357.38m。试问这两段距离的测量精度是否相同？若不相同，哪段距离的精度高?,钢尺量距计算,答案：,2、已知钢尺的尺长方程
2、式为 设温度t=-5，在标准拉力下，用该钢尺沿30斜坡的地面量得A、B两点间的名义距离为75.813m，求实际水平距离。,视距测量计算 （碎步测量）,3、完成下表中视距测量计算。,1.142,=2.570-1.428,-3 45,=90-9345,113.71,-8.03,12.33,=20.36+(-8.03),1.743,=2.871-1.128,+3 47,=90-8613,173.54,+10.90,31.26,=20.36+10.90,控制测量,控制测量,1解：,控制测量 （闭合导线）,2、如图所示闭合导线，试计算各待定点坐标。,控制测量（闭合导线）,3、如图所示闭合导线，试计算各待
3、定点坐标。,128 36 48,539 59 00,+12,+12,+12,+12,+12,=1283648+982002-180（左角）,46 56 50,=465650-1003942+180（右角）,126 17 08,189 11 32,267 09 11,323 06 17,46 56 50,597.816,108.347,115.973,-64.170,87.403,-108.106,-17.494,-6.609,-132.900,70.457,-52.891,-0.081,0.091,+22,+15,+15,+18,+11,-24,-17,-17,-20,-13,108.369,
4、-64.155,-108.091,-6.591,70.468,0,115.949,87.386,-17.511,-132.920,-52.904,0,1648.755,=1540.386+108.369,1584.600,1476.509,1469.918,1540.386,=B点已知x坐标值,1352.651,=1236.702+115.949,1440.037,1422.526,1289.606,1236.702,= B点已知y坐标值,闭合导线坐标计算表,连接角无改正数,控制测量（附和导线）,3、如图所示附合导线，试计算各待定点坐标。,20 18 24,803 32 24,+9,+9,+9
5、,+9,+9,=201824+2641145-180（左角）,104 30 09,=62142+972951+180（左角） 与已知值相等,72 14 48,106 24 57,6 21 42,283 51 33,729.114,-74.441,287.788,57.268,178.868,-26.395,89.593,149.714,16.692,106.146,572.941,-60,-38,-19,-31,+39,+24,+12,+19,-74.501,57.230,-26.414,149.683,105.998,287.827,178.892,89.605,16.711,573.035,1789.721,=1864.222+(-74.501),1846.951,1820.537,=1820.537+149.683 应与C点已知x坐标值相等,1701.177,1413.350+287.827,1880.069,1969.674,= 1969.674+16.711 应与C点已知y坐标值相等,附合导线坐标计算表,