On: 'On the Phase Constraint of the Magnetotelluric Impedance,' by D. Loewenthal (GEOPHYSICS, April 1975, p. 325–330)

Autor:	Dan Loewenthal, Donald H. Eckhard
Rok vydání:	1975
Předmět:	Constraint (information theory) Theoretical physics Geophysics Geochemistry and Petrology Magnetotellurics Simple (abstract algebra) Minor (linear algebra) Phase (waves) Electrical impedance Algorithm Mathematics Sign (mathematics)
Zdroj:	GEOPHYSICS. 40:1076-1076
ISSN:	1942-2156 0016-8033
DOI:	10.1190/1.1440585
Popis:	In his paper, Loewenthal presents what he calls a “simple proof” that the phase of the one‐dimensional magnetotelluric modified impedance lies between −π/4 and π/4. A much simpler proof exists (Eckhardt, 1968). My proof is buried as a rather minor feature of an obscure (alas) paper, and some of its sign conventions differ from standard, so I believe it appropriate to restate the proof here.
Databáze:	OpenAIRE
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