In the process of controllable source audio frequency magnetotelluric measurement data processing, selecting the same set of parameters under different geological and geophysical backgrounds will cause large errors in the inversion results, and different parameters under the same background will also have a large impact on the inversion results. Through the collection of geological and physical data, the author established a forward model, and carried out experiments on different inversion parameters for the forward data. Finally, the optimal inversion parameters were selected, which improved the inversion accuracy and achieved good results, and summarized the data processing process.
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