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一、类磁法原理频率域激电法中研究的为定态电磁场[1],激励电流J0、标量位U和电场强度E等均为谐变量,可表示为
First, the type of magnetic principle The frequency domain method for the study of electromagnetic law for the stationary electromagnetic field [1], excitation current J0, scalar U and electric field strength E are harmonic variables can be expressed as