Method for removing electromagnetic interference signal by transient electromagnetic instrument in coal mine
A transient electromagnetic instrument, electromagnetic interference technology, applied in the field of geophysical exploration, can solve problems such as affecting imaging accuracy
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[0037] The method for removing the electromagnetic interference signal by the underground transient electromagnetic instrument of the coal mine according to the present invention will be further elaborated in conjunction with the accompanying drawings.
[0038] The coal mine underground transient electromagnetic instrument adopted in the method of the present invention comprises the transmitter 19 that transmitting circuit 15 and transmitting coil 18 form, the receiver 13 that receiving circuit 9 and receiving coil 14 form, receiver 13 and transmitter 19 use cables 20 to realize synchronous control. The transmitting coil 18 and the receiving coil 14 are ungrounded loops, superimposed on the underground geological body (coal seam or surrounding rock) of the coal mine, and the transmitting coil 18 and the receiving coil 14 are respectively connected to the transmitting circuit 15 and the receiving circuit 9; the receiver 13 The processor 11 of the control circuit 12 sends an ins...
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