Method for identifying electromagnetic ground impulse response
A technology of impulse response and identification method, applied in the field of geophysical exploration, can solve the problems of insufficient identification accuracy and immaturity, and achieve the effect of improving identification accuracy
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[0069] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0070] The present invention provides an identification method of electromagnetic earth impulse response, which is used in geophysical electromagnetic exploration. The basic principle is: design an electromagnetic earth impulse response identification system according to Wiener-Hopf equation, and use pseudo-random sequence to electromagnetic Method The transmit waveform is encoded, and the encoded transmit waveform and the response observation signal are synchronously collected during the observation. Then, the method based on the principle of cross-correlation identification is adopted to eliminate the complex influence of the transmitted signal auto-correlation sidelobe from the transmit and receive signals to realize t...
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