The subject matter of this specification can be embodied in, among other things, an unmanned aerial vehicle system includes a first loop airframe structure having a transmitter loop antenna and defining a plane, a second loop airframe structure having a receiver loop antenna having a diameter smaller than the transmitter loop antenna and oriented substantially parallel to the plane, a plurality of vertical thrusters configured to provide lift substantially perpendicular to the plane and elevate the system above a ground surface, at least one lateral thruster configured to provide thrust substantially parallel to the plane, a controller affixed configured to control the plurality of vertical thrusters and the lateral thruster, and an electromagnetic sensing system (such as ground-penetrating radar) configured to transmit electromagnetic signals using the transmitter loop antenna and receive secondary electromagnetic signals of secondary eddy currents caused by interactions between the EM signals and underground geological structures.
本说明书的主题尤其可以体现为一种无人飞行器系统,其包括具有发射器环形天线并限定平面的第一环形机身结构,具有直径小于发射器环形天线的接收器环形天线的第二环形机身结构,多个竖直推进器配置为提供大致垂直于该平面的升力并将系统提升到地表面上方,以及至少一个横向推进器配置为提供与该平面大致平行的推力,附连的控制器,配置为控制多个竖直推进器和横向推进器,以及电磁感测系统(例如,探地雷达),配置为使用发射器环形天线发射电磁信号并接收由所述EM信号与地下地质结构之间的相互作用引起的次级涡流的次级电磁信号。
DRONE-BASED ELECTROMAGNETICS FOR EARLY DETECTION OF SHALLOW DRILLING HAZARDS
用于早期检测浅层钻探危险的基于无人机的电磁技术
2021-09-10
Patent
Elektronische Ressource
Chinesisch
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