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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Reframing the magnetotelluric phase tensor for monitoring applications: improved accuracy and precision in strike determinations

Fig. 1

The elements of the impedance tensor correspond to site 15 of the COPROD2S1 dataset. The original impedances were distorted and random noise added as indicated. a Real parts. b Imaginary parts. The values were computed as the mean of 30 realizations per period with their corresponding standard deviations. The continuous lines join the error-free values which in most cases are practically identical to the mean values. Black corresponds to \(X_{11} \;{\text{and}}\;Y_{11}\); blue to \(X_{12} \;{\text{and}}\;Y_{12}\); green to \(X_{21} \;{\text{and}}\;Y_{21}\); and red to \(X_{22 } \;{\text{and}}\; Y_{22}\)

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