由公式
NBB?BT*P*B?10000*
通过计算得m???1?N?f?f??n?=3\????1?1??.?16个?.P??1??0.36?0.36???14个???^?x??A???^?y??A???x^???D???^? 1.2118??y?D?????^?? -3.4913???? 0.8945??xE??? 0.5127???y^???E? 5.2371?????? 4.7240??^?????x?F??? -35.3881?? 40.6815??????y^?F? -29.0290???? 38.6262??^????xG???? -33.1716????? 37.2800?^?所以?yG??? ??x^?H????^???yH???????????? ??.?.??0.36???x^???I???^?y??I???^?x??CH1???^ 4.6196?y??CH1???????? -1.5374?x^??? 0.4685??CH2???? -3.2162??^??y???CH2? 3.9126???? -3.7340?^??????x?CH3??? 1.8512?? ?^??y??-4.3110?CH3 -10.5034???????? -11.8274???x^??CH4???? 4.9457? 4.9235??^????yCH4????^??xCH5????^???yCH5???
于是计算的到各点坐标的平差值 A D E F G H I CH1 CH2 CH3 CH4 CH5 ?53082.5992 39469.9025 53530.6219 39485.5305 53646.2292 39597.9297 53565.0446 39669.7687 53458.795 39704.1076 53339.9878 39665.5033 53234.3186 39556.8865 53146.3475 39229.3588 53362.1999 39261.8383 53479.3339 39295.0187 53641.1195 39393.3222 53757.6399 39519.5229 VTPVVTPV=6.3\ ????rn?t
由
?1Q^^?NBB 得
xx 点号 A D E F G H
Qxx 8.9104 2.1332 2.3773 4.5925 6.3847 2.8813 Qyy 1.4352 2.7355 9.9624 2.9711 6.5484 4.0814 Qxy 1.3397 1.4508 -2.5124 1.2885 4.7776 2.9558 点号 I CH1 CH2 CH3 CH4 CH5 Qxx 3.0897 2.6246 2.9314 2.6636 7.6098 8.3212 Qyy 5.5183 3.6481 5.8204 6.3074 2.0066 3.6493 Qxy -0.9831 -1.7729 1.1765 -1.3169 0.6598 -0.4061 点号 A D E F G H E 6.6 9．2 8.4 5.3 7.5 6．7 F 2．4 6.1 5．2 2．3 3．2 3.3 点号 I CH1 CH2 CH3 CH4 CH5 E 6．6 3．4 3．8 4．0 4.2 7.8 F 2．9 1．7 2．4 2．3 2．1 4．5 误差椭圆的绘制图
技术总结：
1. 高程网的技术鉴定
实习高程测量为单向观测，每个测站为2个测回，两个闭合环的闭合差分别为W1=2mm,W2=9mm;对应的路线长分别为S1=1.428km,S2=1.521km;根据技术要求闭合差W0≤?4L,不满足要求
2. 平面控制网的技术鉴定
闭合导线网中技术要求测角中误差mβ≤±8\，实习测量得到方位角闭合差发fβ1=10″，fβ2=-4.8″测角中误差m???1?f?f????N?n?=3\β<8\则角度