误差理论与测量平差基础

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1、《误差理论与测量平差基础》王驩裕1420501201420050135东华理工大学测绘学院测量系^1--S£1---S9C,;S^£9£0;0030;9£二=1:【04呀.ziCMcd£二I•l】=s-【rr£VOO7T“【0Ik二—u001二ooIHa<+l=lz二-蓋=A厂fscqnps-.tx二*c^mhm^*d*ccH3CQM!(s/.i)

2、s.2phcuG二rrsCQ)lnl〕§no§J糊zbgf叵医«若//sos.s=iolsI---S6.I=sols80S.I=IVWe-IS8SC.0IKS9.06110.18SCO6U0.Z88s.1*Soto.I=1Zsi.l-IS6T-sm.0-i另.了卜吴.0-=A(j、WSPQ)luw"【CVW0ISC7VW0IS二VWOISJ'zy】<<:i=J导线网间接平差1.按间接平差法完成一导线网的平差计算。function[ZX,v,J,H]=nc(s,X,1,beta)L=dms2degrees(beta);alpha0=dms2degr

3、ees([2264459]);alphal=alphaO+L(1)-180;alpha2=alphal+L(2)-180;alpha3=alpha2+L(3)-180;alpha4=alpha3+L(4)-180;alpha=[alphal;alpha2;alpha3];e=alpha;c=180*3600*sind(e)/(pi*100);d=-180*3600*cosd(e)/(pi*100);a=c./s;b=d./s;f=cosd(e);g=sind(e);B=[a(1)b(l)00;a(2)b(2)-a(1)-b(1);a(3)b(3)一a(2)-b(2);00-a(3)-b(3)

4、;f(l)g(l)00;-f(l)-g(l)f(2)g(2);00-f(3)-g(3)]Pl=diag([1111]);SIGMA0=5;SIGMAS=0.5*sqrt(s);D=l./SIGMAS;T=(SIGMA0*D).A2;P2=diag(T);P=blkdiag(Pl,P2);*P*B;x=inv(NBB)*W;ZX=X+x;v=B*x-l;ZL=[L;s]+v/3600;J=degrees2dms(ZL(1:4,:));H=ZL(5:7,:);end»s=[204.952:200.130:345.153]:X=[203046.367;-59253.095:203071.813;-

5、59451.600]:l=[0;0:0:14:0:0:0.033]:beta=[2303237;1800042;1703922:2364837]:>>[ZXjJjH]=nc(SjXj1^beta)ZX=1.0e+005*2.0305-0.59262.0307-0.5946v=-2.44741.3992-0.0163-4.00872.69703.6518-7.2055230.000032.000034.5526180.0000044.3992170.000039.000021.9837236.000048.000032.9913H=204.9530200.1310345.15102.求各导线点

6、的坐标平差值极其点位中误差。function[ZX,SIGMA1,SIGMA2,SIGMA3,SIGMA4,SIGMA5]=pa(B,S,1,X)Pl=eye(10);P2=diag(100000./S);P=blkdiag(PlzP2);NBB=Bf*P*B;W=B**P*1;x=inv(NBB)*W;ZX=X+x;E=inv(NBB);V=B*x-l;SIGMA0=sqrt(V，*P*V/7);G=diag(E);SIGMAl=SIGMAO*sqrt(G(1)+G(2));zx=1.0e+008*1.1154711422935960.0841491963911360.1153164306

7、445660.0840296793449040.1106743804258290.0843079342525660.1109306180664600.0816879775625760.1112773142405450.083533250233037SIGMA1=18.067220485381650SIGMA2=20.592085159247560SIGMA3=14.716798220234539SIGMA4=