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Method of processing transient electromagnetic measurements in geophysical analysis
Method of processing transient electromagnetic measurements in geophysical analysis
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机译:地球物理分析中瞬变电磁测量的处理方法
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摘要
A method of geophysical analysis includes transmitting an electromagnetic signal into the earth and measuring the resulting transmission of that signal through the earth to a plurality of spaced recording units. The values of the transmitted signal are locally digitized and stored at each recording unit. The stored data from each recording unit is subsequently transmitted through a telemetric link to a central processing or analyzing unit, the stored data being transmitted from one recording unit at a time and in a preselected sequence. The data may be transmitted from each recording unit in a block and stored in the central processing unit. The digitizing and storing of the measured values at each unit is accomplished through a yield point amplifier. Automatic drift correction processing may also be applied to the measured values obtained from each recording unit. A microprocessor is installed at each recording unit to process, store, and relay the data measured and to test and control the status of the receiving unit.
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