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DEVICES AND METHODS FOR DETERMINING THE SITUATION IN THE UNDERGROUND LAYER
DEVICES AND METHODS FOR DETERMINING THE SITUATION IN THE UNDERGROUND LAYER
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机译:确定地下层状况的设备和方法
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摘要
Various embodiments include apparatus and methods related to finding a position in an underground formation. Apparatus and methods can include receiving signals from a receiver in an underground formation in response to signals generated from transmitting sources, each of the transmitting sources located at a known position; and processing the received signals, based on the signals generated from the transmitting sources, to determine the position of the receiver. A number of techniques can be applied to processing the received signal. Additional apparatus, systems, and methods are disclosed.
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