Application of ground transient EM systems in geophysical exploration

2005 ◽  
pp. 517-526
Author(s):  
Ajit K. Sinha
Keyword(s):  
Geophysical Exploration

A Novel Transmitting System for Electromagnetic Sounding Based on Tri-state Boost Converter

2019 ◽  
Vol 12 (6) ◽  
pp. 494-499
Author(s):  
Gang Li ◽  
Binren Zhang
Keyword(s):  
Simulation Model ◽  
Output Power ◽  
Basic Principle ◽  
Simulation Experiment ◽  
Dynamic Performance ◽  
Boost Converter ◽  
Electromagnetic Sounding ◽  
Important Method ◽  
Geophysical Exploration ◽  
Electromagnetic Detection

Background: Electromagnetic detection is an important method of geophysical exploration. The transmitting system is an important part of the electromagnetic detection equipment. Methods: The general topologies of a transmitting system for EM instrument are analyzed. The basic principle of EM detection is interpreted. In order to improve the output power and give consideration to the dynamic performance, an electromagnetic transmitting system based on the tri-state boost converter is proposed in this paper. Results: The principle of the proposed transmitting system is analyzed. The topology of the proposed transmitting system is illustrated and the working modes of tri-state boost converter are given. Conclusion: The simulation model is established and the simulation experiment is carried out to verify the feasibility of the new electromagnetic transmitting system.

SQUID technology for geophysical exploration

2005 ◽  
Vol 2 (5) ◽  
pp. 1504-1509 ◽  
Author(s):  
Hans-Georg Meyer ◽  
R. Stolz ◽  
A. Chwala ◽  
M. Schulz
Keyword(s):  
Geophysical Exploration

Geophysical exploration for gold – A review

1986 ◽  
Vol 17 (4) ◽  
pp. 169-180 ◽  
Author(s):  
H. A. Doyle
Keyword(s):  
Geophysical Exploration
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