Method and device for estimating the genesis of a technical characteristics of a dielectric or magnetic.

摘要

Is formed in the material a part 17 of annular shape of a uniform thickness and / p & & p & is introduced into said annular part in an end of a coaxial line constituted by a tubular body 2, 3 and a core 1, rigid and coaxial, the inner and outer peripheries of said annular part 17 being respectively in contact with a tight fit with the inner surface of said tubular body and with the outer surface of said core; / p & & p & is applied to the coaxial line, at its end 5, 7 opposite to the coaxial line, at its end 5, 7 opposite to said annular part, an electromagnetic wave incident microwave and it examines the amplitudes and / or the phases of the transmitted wave and of the wave reflected by said tubular piece.