城市及工程控制網(wǎng)平面點(diǎn)位精度的合理評(píng)定(1)-展示頁(yè)
2025-01-27 19:15本頁(yè)面
【正文】 121221212212221221221212212222112222222TETEXTETEXXXXXXXXXXTETEXXXTETEXXXTETEXTEETTEETTTXGGGGIQGGGGINNNNNQNNNQGGGGINQGGGGQNGGGGINQGGGGGGGGNQGGNNGGNQ??????????????????????????????變換基準(zhǔn)后的協(xié)方差變換公式： 首級(jí)平面控制網(wǎng)中的絕對(duì)和相對(duì)點(diǎn)位精度 0][][c o ss i nc o ss i n000100000101010100101010,0,02222221122122??????????????????????????????????????????GQFFQGGIQGGIQTTTTGxyxyxyGIGGAGNGNGXTXTeXTeXijijijijTmmTeeTTeTee?????????簡(jiǎn)化表示式： 首級(jí)平面控制網(wǎng)的絕對(duì)和相對(duì)點(diǎn)位精度評(píng)定 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiyyxxyxiyxyyxxyyxxiyxyyxxyyxxiyyxxyxiqqqtgqqqqqBqqqqqAqqmmM?????????????????22]4)([2]4)([222022202022???絕對(duì)點(diǎn)位誤差的表示 首級(jí)平面控制網(wǎng)的絕對(duì)和相對(duì)點(diǎn)位精度評(píng)定 ????????????????????????? 10c oss i nc os1s i n01c oss i nc oss i n1ijkijkijkijkijkijkijkijkk TxTxTxTxTyTyTyTyF相對(duì)點(diǎn)位誤差計(jì)算的簡(jiǎn)便公式 TkkjiXkkX FQFQ),()(12 ?其中： 若 為協(xié)方差 Qx1中與 i,j,k有關(guān)的子集構(gòu)成的協(xié)方差陣，則以 i 點(diǎn)為位置基準(zhǔn)， i,j 方向?yàn)榉轿换鶞?zhǔn)的 k點(diǎn)的協(xié)方差陣可表示為： ? ?kjiXQ ,1 首級(jí)平面控制網(wǎng)的絕對(duì)和相對(duì)點(diǎn)位精度評(píng)定 kjiyykjixxkjiyxkkjiyxkjiyykjixxkjiyykjixxkkjiyxkjiyykjixxkjiyykjixxkkjiyykjixxkkjiyykjixykjiyxkjixxkjikjiqqqtgqqqqqBqqqqqAqqMqqqqQD,2,202,2,202,0,20)(,20,22])([2])([2????????????????????????????????????????????????????????????????????相對(duì)誤差橢圓元素可表示為： 首級(jí)平面控制網(wǎng)的絕對(duì)和相對(duì)點(diǎn)位精度評(píng)定 ??????????????????????????????????????????????????????????????????????????????000c o ss i nc o s1s i nc o ss i nc o ss i n1000s i nc o ss i ns i nc o ss i nc o ss i nc o sc o ss i nc o s00000000000000c o ss i nc o s1s i n0c o ss i nc o ss i n1)(222211112211112??????????ijkijkijkijkijkijkijkijkijijijijijijijijijijijijijijijijiijijijijTeTxTxTxTxTyTyTyTyTTTTTTTTTTTTTxTxTxTxITyTyTyTyGGIF公式驗(yàn)證： 首級(jí)平面控制網(wǎng)的絕對(duì)和相對(duì)點(diǎn)位精度評(píng)定 0c o ss i nc o ss i n00000000s i ns i nc o s00s i nc o sc o s0s i ns i nc o s00s i nc o sc o s0000000000c o ss i nc o ss i n0022224????????????????????????????????????????????????????????????????????????????????ijijijijijijijijijijijijijijijijij
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