A time-domain IP measurement method
A measurement method and time-domain technology, applied in the field of geological exploration, can solve the problems of difficult construction, high power of construction equipment and external environment requirements, reduce the cost of construction and equipment, improve the quality of data collection and anti-interference ability, good Effects of Temperature and Humidity Stability and Dustproof and Shockproof Performance
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Embodiment 1
[0035] A time-domain IP measurement method, such as figure 1 , the steps include:
[0036] (1) According to the set cycle, divide the period from t+x to t+2x into several time differences △t, carry out integral measurement on the signal amplitude, and obtain the electric field potential within △t time during the charging process of several different amplitudes The average value of △v1, the x>0;
[0037] (2) Measure the signal average value of a △t time at the time t+2x as the value of the primary potential △v2;
[0038] (3) in the negative cycle period of t+3x to t+4x, according to the method measurement of step (1)~(2), obtain the average value Δv1 ' of the electric field potential of negative cycle period and the value of primary potential Δv2';
[0039] (4) Take the absolute value of △v1 and △v1' and take the average to get Take the average of the absolute values of △v2 and △v2' to get according to the formula
[0040] and
[0041]
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Embodiment 2
[0046] A time-domain IP measurement method, such as figure 1 , the steps include:
[0047] (1) According to the set period, divide the period from t+x to t+2x into several △t, set the delay of △t1, and then perform integral measurement on the signal amplitude to obtain several charging processes with different amplitudes The average value Δv1 of the electric field potential in the middle Δt time, the said x>0;
[0048] (2) Measure the signal average value of a △t time at the time t+2x as the value of the primary potential △v2;
[0049] (3) in the negative cycle period of t+3x to t+4x, according to the method measurement of step (1)~(2), obtain the average value Δv1 ' of the electric field potential of negative cycle period and the value of primary potential Δv2';
[0050] (4) Take the absolute value of △v1 and △v1' and take the average to get Take the average of the absolute values of △v2 and △v2' to get according to the formula
[0051] and
[0052]
[0053] It...
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