To improve the problems of conventional mine detectors, the purpose of the present invention is to provide a smart wearable mine detector comprising a human body antenna unit 100, a main microprocessor unit 200, a smart eyeglasses unit 300, a body-mounted LCD monitor unit 400, a wireless data transmission and reception unit 500, a belt-type power supply unit 600, a black box-type camera unit 700, and a security communication headset 800, the smart wearable mine detector: can be detachably worn on the head, torso, arm, waist, leg and the like of a body while a combat uniform is worn, thereby having excellent compatibility with conventional combat uniforms; enables a human body antenna unit which is detachably attached to a body and detects a mine through a super high-frequency RF beam and a neutron technique to be applied so as to detect the mine by identifying metals, nonmetals, and initial explosives of the mine; enables mines buried on the ground and under the ground to be detected in all directions (360), and a distance, location, form, and materials of the mines to be exhibited on smart eyeglasses and a body-mounted LCD monitor unit in real time as 2D or 3D images such that a combatant can engage in battle avoiding mines, thereby improving combat efficiency by 90% when compared to existing combat efficiency; enables a battle to be carried out for three to seven days through a twin self-power supply system of a portable battery and a belt-type power supply unit even without need for charging power; and enables combat situations in a remote place to be monitored, in real time, in a remote combat command server, and allows each combatant to share combat information one to one such that it is possible to construct a smart combat command system capable of remotely commanding real combat situations as if one was on site of the battle.

A method and apparatus for marine surveying including towing an electromagnetic source having an electromagnetic cross-talk zone and an entanglement zone; towing a plurality of pieces of seismic equipment, wherein each piece of seismic equipment is towed outside of the electromagnetic cross-talk zone and the entanglement zone; actuating the electromagnetic source; and while actuating the electromagnetic source, acquiring seismic survey data with the plurality of pieces of seismic equipment.

Systems and methods for acquiring and processing electromagnetic data in subsurface formations. In one example, a system includes an electromagnetic source, a plurality of electromagnetic receivers, and an electromagnetic data processor. The electromagnetic source is configured to generate an electromagnetic pulse that induces electromagnetic energy in subsurface formations. The electromagnetic receivers are configured to detect the electromagnetic energy reflected by the subsurface formations, and to output signals corresponding to detected electromagnetic energy reflected by the subsurface formations. The electromagnetic data processor configured to process, based on differences in travel times of the electromagnetic energy between the subsurface formations and the electromagnetic receivers, the signals output by the electromagnetic receivers. The electromagnetic data processor is further configured to produce a representation of the subsurface formations based on processed signals output by the electromagnetic receivers.

Methods of geophysical prospecting and surveying are disclosed herein. The methods include obtaining a raw data set representing energy signatures recorded over an area of the earth and using a computer to form a final data set representing the physical properties of the area of the earth, the process including combining physical property data subsets into a final data set using a quality statistic for each physical property data subset or each datum of each physical property data subset as a weighting factor to compute a weighted average.

A transmission device of a submarine resource exploration system includes a transmission unit which transmits a predetermined transmission artificial signal transmitted in order to perform exploration of submarine resources in water using water as a medium. A reception device includes a reception unit which receives a composite signal of a received artificial signal representing a signal propagated to the reception device using water as a medium in the transmission artificial signal, and a self-potential propagated to the reception device using water as a medium due to a potential anomaly generated due to submarine resources. A signal processing device includes a signal processing unit which separates the composite signal into the received artificial signal and the self-potential.

An electromagnetic (EM) receiver system for measuring EM signals. The EM receiver system includes a survey EM transmitter for generating survey EM signals within a first frequency range; a tracking EM transmitter for generating tracking signals within a second frequency range; and a receiver section including a receiver that measures both the survey EM signals and the tracking signals.

A method and apparatus for offshore electromagnetic surveying for the purpose of hydrocarbon exploration and detection is described. The method comprises the step of A) measuring a measurement vector u between receiver electrodes, where the measurement vector u comprises a plurality of measurement signals u.sub.i, being dependent on a geological characteristic m.sub.k at an geological parameter index k providing information about the geological structure of the geological target area. The method is further characterized in that it also comprises the following steps: B) calculating a transformed vector v as a function of the measurement vector u, where said transformed vector v is designed to optimize the sensitivity to changes in the geological characteristic m.sub.k and C) performing, for each time t, at least one of minimizing uncertainty v(k,t) of the transformed vector v with respect to the geological characteristic m.sub.k, where said uncertainty v(k,t) comprises a non-systematic uncertainty v(k,t) and a systematic uncertainty .sub.wdv(k,t), maximizing a target response v(k,t)/m.sub.k of the transformed vector v with respect to the geological characteristic m.sub.k and minimizing a ratio (k,t) between at least the square of the non-systematic uncertainty <v(k,t).sup.2> of the transformed vector v and the square of the target response (v(k,t)/m.sub.k).sup.2 of the transformed vector v with respect to the geological characteristic m.sub.k.

A floating vessel based system generates a multidimensional seismic data set for a target area. The floating vessel based system includes a seismic source proximate to a floating vessel, providing a plurality of seismic energy pulses through water to the target area forming a plurality of reflected seismic energy pulses, a non-stationary seismic node configured for being towed from the floating vessel using at least one rope through the water, a non-stationary seismic node, and a second processor with second data storage on the floating vessel. The second data storage instructs the second processor to receive, each digital data series, combines the digital data series for all non-stationary seismic nodes utilized, and automatically generates multidimensional seismic data set for the target area.

A method and system for leakage status evaluation and leaks location of a solid waste land disposal facility. The method includes: arranging an off-site emitting electrode for the solid waste land disposal facility, and arranging a plurality of intra-site receiving electrodes on a solid waste pile surface in a grid shape; selecting a power supply to collect a current value between the off-site emitting electrode and each of the intra-site receiving electrodes respectively, and determining a maximum current value point Mn of the solid waste pile surface and a maximum current value An; selecting an off-site point So2, and measuring a current value between the off-site emitting electrode and the point So2 as a reference current Ab under the same power supply condition; and determining a leakage status of the solid waste land disposal facility based on a ratio of the maximum current value An to the reference current Ab.

A method for jointly inverting subsurface resistivities and noise parameters that may comprise the steps of identifying electromagnetic data acquired from one or more electromagnetic sensors, wherein the electromagnetic data includes a source-generated signal and noise, and jointly inverting at least subsurface resistivities and noise parameters based on the electromagnetic data. A marine electromagnetic survey system, that may comprise a data processing system configured to identify electromagnetic data acquired from one or more electromagnetic sensors, wherein the electromagnetic data includes a source-generated signal and noise and jointly invert subsurface resistivities and noise based on the electromagnetic data. A non-transitory machine-readable medium storing instructions executable by a data processing system that may cause the machine to identify electromagnetic data acquired from one or more electromagnetic sensors, wherein the electromagnetic data includes a source-generated signal and noise, and jointly invert subsurface resistivities and noise based on the electromagnetic data.