直升机TEM测量影响因素分析
单希鹏, 谢汝宽, 梁盛军, 余学中

An analysis of the influencing factors of helicopter TEM survey
SHAN Xi-Peng, XIE Ru-Kuan, LIANG Sheng-Jun, YU Xue-Zhong
图8 白洋淀测区架次峰值电流统计
Fig.8 Statistical graph of flights peak current in Baiyangdian area