Transient electromagnetic signal power frequency and harmonic interference elimination method and apparatus thereof
A harmonic interference and transient electromagnetic technology, which is applied in the direction of measurement devices, electric/magnetic exploration, radio wave measurement systems, etc., can solve problems such as the decrease of measurement fidelity
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[0055] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0056] The transient electromagnetic signal power frequency and its harmonic interference elimination device based on noise modeling provided by the embodiment of the present invention, the principle block diagram is as follows figure 1 As shown, this embodiment adopts the working method based on the center loop, such as image 3 As shown, the transmitting coil 11 is laid as a square loop with a side length of 100 m, and the receiving coil 1 is a square loop with a side length of 1 m.
[0057] The receiving coil 1 receives the environmental noise signal n(t)( figure 2 Middle T0 ~ T1 time period), the signal is amplified ...
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