长基线航空重力测量精度分析

李瑞, 舒晴, 骆遥, 王晨阳, 高维, 周坚鑫

The precision of airborne gravimetry under the condition of long baselines

Li Rui, Shu Qing, Luo Yao, Wang Chen-Yang, Gao Wei, Zhou Jian-Xin

表1 同一测线(L)、同一切割线(T)采用2个不同基站解算获得的重力异常内符合精度统计

Table 1 Internal accordance accuracy statistics of gravity anomaly obtained by different two base stations of the same survey line(L) and the same tie line(T)

线号 调整前/mGal 调整后/mGal 线号 调整前/mGal 调整后/mGal L2050 0.640 0.404 T9010 0.506 0.454 L2070 0.626 0.385 T9020 0.552 0.377 L2080 0.571 0.514 T9030 0.502 0.386 L1980 0.494 0.438 T9040 0.486 0.363 L2090 0.332 0.239 T9060 0.504 0.418 L1990 0.449 0.243 T9070 0.601 0.547 L2150 0.284 0.200 T9080 0.388 0.283 L2250 0.279 0.209 T9090 0.383 0.348 L2210 0.314 0.255 T9110 0.325 0.324 L2310 0.377 0.351 T9120 0.459 0.449 L2360 0.414 0.403 T9130 0.358 0.351 L2460 0.351 0.287 T9140 0.293 0.234 L2430 0.330 0.296 T9150 0.285 0.271 L2530 0.300 0.300 T9160 0.489 0.371 L2690 0.358 0.313 T9210 0.461 0.165 L2680 0.385 0.335 T9220 0.302 0.135 L2700 0.356 0.270 T9230 0.401 0.131 L2740 0.285 0.282 T9260 0.443 0.294 L2780 0.416 0.353 T9270 0.541 0.294 L2710 0.381 0.380 T9280 0.280 0.216 — — — T9300 0.512 0.317