Fig. 26From: Use of ssq rotational invariant of magnetotelluric impedances for estimating informative properties for galvanic distortionComparison of the gains derived from the Frobenius norm (triangles) with the mean apparent ssq gains (squares) from the 1D example, where the elements of the perturbation matrix \(\mathbf {D}\) are normally distributed random numbers with an SD of 0.5Back to article page