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1、湖北国土资源职业学院测量平差实训报告 姓 名:姜鹏 班 级:工程测量0902班 指导老师:刘仁钊 时 间:2011年5月09日目 录实训一:误差传播应用示例 1.1 1.2 1.3 1.4实训二:条件平差方法应用 2.1 2.2 2.3 2.4实训三:间接平差方法应用 3.1 3.2 3.3实训四:平面控制网平差 4.1实训五:高程控制网平差 5.1 5.2 5.3 5.4 5.5致谢参考文献2实验一第一题 2/0.4ans = 5 D=2 -1;-1 3 D = 2 -1 -1 3 Q=D/5 Q = 0.4000 -0.2000 -0.2000 0.6000 P=inv(Q) P = 3
2、1 1 2 P1=5/3 P1 = 1.6667 P2=5/2 P2 = 2.5000第二题 D=6 0 -2;0 4 1;-2 1 2 D = 6 0 -2 0 4 1 -2 1 2 Q=D/2Q = 3.0000 0 -1.0000 0 2.0000 0.5000 -1.0000 0.5000 1.0000 P=inv(Q) P = 0.5385 -0.1538 0.6154 -0.1538 0.6154 -0.4615 0.6154 -0.4615 1.8462 A=1 3 -2 A = 1 3 -2 Df=A*D*A Df = 46 Qf=Df/2 Qf = 23或者 Qf=A*Q*A
3、 Qf = 23 B=1 0 0;0 1 0;0 0 1 B = 1 0 0 0 1 0 0 0 1 Dfl=A*D*B Dfl = 10 10 -3 Qfl=A*Q*BQfl = 5.0000 5.0000 -1.5000第三题 Q=1 0 0;0 1 0;0 0 1 Q = 1 0 0 0 1 0 0 0 1 A=1 -1 1 A = 1 -1 1 W=3 W = 3 N=A*Q*A N = 3 K=-inv(N)*W K = -1 V=Q*A*K V = -1 1 -1 L=45.0200;85.0000;40.0100 L = 45.0200 85.0000 40.0100 LL=L+
4、V/60LL = 45.0033 85.0167 39.9933 Ql=A*Q*A Ql = 3第四题 Q=1 0 0 0 0 0 0 0;0 2 0 0 0 0 0 0;0 0 3 0 0 0 0 0; 0 0 0 4 0 0 0 0;0 0 0 0 5 0 0 0;0 0 0 0 0 6 0 0;0 0 0 0 0 0 7 0;0 0 0 0 0 0 0 8Q =1 0 0 0 0 0 0 00 2 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 6 0 00 0 0 0 0 0 7 00 0 0
5、0 0 0 0 8 A=1 -1 1 0 0 0 0 0;0 0 -1 1 0 0 0 1;0 0 0 0 1 1 -1 -1 A 1 -1 1 0 0 0 0 0 0 0 -1 1 0 0 0 1 0 0 0 0 1 1 -1 -1 QH=A*Q*A QH = 6 -3 0 -3 15 -8 0 -8 26 p=inv(QH) p = 0.1893 0.0453 0.0139 0.0453 0.0906 0.0279 0.0139 0.0279 0.0470 h1=0.1893 h1 = 0.1893 h2=0.0906 h2 = 0.0906 h3=0.0470 h3 = 0.0470实验
6、二 Q=2.0001 0 0 0;0 3.0005 0 0;0 0 3.0007 0;0 0 0 5.0009 Q = 2.0001 0 0 0 0 3.0005 0 0 0 0 3.0007 0 0 0 0 5.0009 A=1 1 0 -1;0 1 -1 0 A = 1 1 0 -1 0 1 -1 0 W=-30;-20 W = -30 -20 N=A*Q*A N = 10.0015 3.0005 3.0005 6.0012 K=-inv(N)*W K = 2.3526 2.1564 V=Q*A*K V = 4.7055 13.5293 -6.4707 -11.7652 L=200.010
7、;300.050;300.070;500.090L = 200.0100 300.0500 300.0700 500.0900 LL=L+V/1000LL = 200.0147 300.0635 300.0635 500.0782 Q=3.1 0 0 0 0 0 0 0;0 9.3 0 0 0 0 0 0;0 0 59.7 0 0 0 0 0;0 0 0 6.2 0 0 0 0;0 0 0 0 16.1 0 0 0;0 0 0 0 0 35.1 0 0; 0 0 0 0 0 0 12.1 0;0 0 0 0 0 0 0 9.3Q =N = 0.6999 0.2000 0.2000 0.8665 C=B*P*lC = -5.9989 -12.6640 X=-inv(N)*CX = 4.7055 13.5293 V=B*X+lV = 4.7055 13.5293 -6.4707 -11.7652 L=200.010;300.050;300.070;500.090L = 200.0100 300.0500 300.0700 500.0900 LL=L+V/1000LL = 200.0147 300.0635 300.0635 500.0782 平面控制网平差成果表 网名: 等级: 测量单位: 测量时间: 测量人员: 仪器: 平差参考系: 中央子午线: 投影高程面: