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A Method of IP Scanning with Simultaneous Power Supply at Multiple Power Supply Points

A power supply point and IP technology, which is used in electric/magnetic exploration, re-radiation of sound waves, radio wave measurement systems, etc., can solve the problems of increasing the difficulty of current, and it is difficult to tap the power supply potential of generators, and reduce shielding. effect, reduce the number of relocations, and increase the signal-to-noise ratio

Inactive Publication Date: 2019-07-23
CENT SOUTH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Generators are generally used to provide electric energy for the power supply in the sweeping work of the excitation elevator. Due to the grounding conditions of the power supply points and the shielding effect of the current and other factors, it is difficult to increase the current input to the ground at each power supply point; If the number of electrodes is increased at the same position, it is also difficult to tap the power supply potential of the generator due to the shielding effect of the current

Method used

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  • A Method of IP Scanning with Simultaneous Power Supply at Multiple Power Supply Points
  • A Method of IP Scanning with Simultaneous Power Supply at Multiple Power Supply Points
  • A Method of IP Scanning with Simultaneous Power Supply at Multiple Power Supply Points

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Embodiment Construction

[0017] Refer to the following figure 1 and image 3 The present invention will be further described in combination with specific embodiments.

[0018] Assuming that in such figure 1 In the survey area shown, the first method of measuring point layout is carried out, where multiple electrodes are simultaneously powered by IP scanning. A total of 9 survey lines are arranged in the survey area (the survey line numbers are 0, 4, 8, 12, 16, 20, 24, 28, 32 lines), each measuring line has 11 measuring points (the measuring point numbers on each measuring line are 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 number), each measurement point number includes the measurement line number and the measurement point number, that is, the measurement point number adopts the X-Y pattern (X is the measurement line number, Y is the measurement point number), such as the 0th measurement line on the 0th measurement line Point numbers are 0-0, and so on.

[0019] According to the method of IP scanning t...

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Abstract

The invention provides an induced polarization (IP) sweeping method with multiple power supply points realizing simultaneous power supply. According to the method, an electric transmitter is utilizedto simultaneously supply power at five power supply points at different positions, an electric receiver is utilized to obtain the potential information and the IP information of the measurement pointsat the different positions in the measurement area, resistivity data of the measurement points at the different positions are obtained through a normalization device coefficient and a resistivity calculation formula of the multiple power supply points, and IP sweeping operation of the multiple power supply points realizing simultaneous power supply is achieved. The method is advantaged in that the method helps to increase the acquisition amount of electrical information in different directions in the whole measurement area, improve electrical signal intensity, reduce isolation influence of apower source and increase the amount of geological information under the measurement points, and thereby the purpose of improving the IP sweeping effect is achieved.

Description

technical field [0001] The invention relates to an IP scanning method in electrical prospecting. Background technique [0002] At present, the most commonly used scanning method in IP scanning is the scanning method using an intermediate gradient device powered by a pair of power supply points. The intermediate gradient device powered by a pair of power supply points is within the survey line range of the middle 1 / 3AB length between the power supply points AB, and the current field is close to the horizontal electric field within the 1 / 5AB length range of the vertical survey line direction, which is beneficial in Within this measurement range, the exploration target is analyzed and studied to improve the exploration effect and efficiency. [0003] Although the survey efficiency and effect of the intermediate gradient device powered by a pair of power supply points have been significantly improved and improved, it is limited to the range of the middle 1 / 3AB length of the sur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V3/08G01V3/04
CPCG01V3/04G01V3/088
Inventor 刘春明郭振威李香花程云涛唐冬春柳卓赵于前
Owner CENT SOUTH UNIV
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