航空广域电磁法初步探索

王永兵, 尹文斌, 张磊

A preliminary exploration of the wide field electromagnetic method in aerogeophysical prospecting

WANG Yong-Bing, YIN Wen-Bin, ZHANG Lei

表1 飞机相对磁棒不同距离情况下测得数据的相对偏差

Table 1 The relative deviation of the measured data of the aircraft relative to the magnetic rod at different distances

频率/Hz 不同距离下相对偏差/% 4m 6m 8m 10m 8192 -3.44 0.21 0.19 0.13 4096 -2.95 0.43 0.39 0.33 2048 -2.57 0.78 0.73 0.67 1024 -2.04 1.26 1.23 1.17 512 -1.91 1.75 1.67 1.60 256 -1.53 1.93 1.88 1.82 128 -1.27 1.56 1.69 1.71 64 -7.88 2.17 2.14 2.23 32 -12.8 1.96 1.99 2.10 16 -8.91 2.02 2.19 2.22