UAV Airborne Transient Electromagnetic Detection System

The patent transitions the detection system from ground-based operation to airborne operation using a UAV. The UAV flies above the complex terrain at a certain altitude, carrying the transmitting and receiving coils. This dimensional change from ground level to aerial perspective allows the system to overcome terrain interference and achieve reliable detection in complex terrain conditions while maintaining adaptability to various environments.

The patent introduces a UAV as an intermediary carrier between the ground and the detection system. The UAV serves as a mobile platform that carries the electromagnetic detection equipment, isolating the sensitive receiving coil from direct ground-based terrain interference while maintaining the ability to detect underground structures. This intermediary approach resolves the contradiction by providing a stable detection platform above the terrain.

The patent employs a bucking coil positioned near the receiving coil to generate an opposing electromagnetic field that counteracts the interference from the transmitting coil. The bucking coil is driven with a current that creates a magnetic field opposite to the transmitting coil's field at the receiving coil's location, thereby preliminarily neutralizing the harmful electromagnetic interference before it significantly affects the reception of weak secondary signals.

The patent converts the harmful electromagnetic interference from the transmitting coil into a useful effect by using the bucking coil to generate an opposing field. The interference field is transformed into a compensatory field that actively cancels the unwanted signals, allowing the receiving coil to detect weak secondary electromagnetic signals from underground structures with higher accuracy.

The patent moves the entire detection system from the ground plane to the aerial dimension by using a UAV platform. This allows the system to operate above complex terrain rather than on it, maintaining ease of operation through automated flight control while achieving versatility in detecting underground spaces in previously inaccessible or difficult-to-reach areas.

The patent creates a universal detection system that can operate in various terrain conditions (mountainous, urban, forested, etc.) by using the UAV platform. The system maintains ease of operation through standardized UAV control while achieving multi-functionality across different complex terrain types, making it adaptable to various detection scenarios without requiring terrain-specific modifications.