Norbert Rietsch

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Featured researches published by Norbert Rietsch.

Magnetic Resonance Imaging | 1994

Norbert Rietsch; Markus Vester; Horst Kroeckel

In a method for matching a transmission/reception antenna in a nuclear magnetic resonance imaging apparatus to the impedance of a high-frequency system which feeds the antenna, a directional coupler is used for acquiring respective signals corresponding to a forward voltage wave supplied to the antenna, and the associated return voltage wave. The amplitudes of the forward and return waves are calculated in a controller for all matching conditions of a transformation network, the transformation network being interconnected between the high frequency system and the antenna. When a tomogram is to be produced, the transformation network is set so that the antenna is matched as best as is possible to the high-frequency system. The same method can be used for matching an antenna which is only used for reception when producing tomograms.

Archive | 2007

Ludwig Eberler; Razvan Lazar; Jürgen Nistler; Wolfgang Renz; Norbert Rietsch

Society of Nuclear Medicine Annual Meeting Abstracts | 2007

Matthias J. Schmand; Ziad Burbar; James Corbeil; Nan Zhang; Christian Michael; Lary Byars; Lars Eriksson; Ron Grazioso; Matthew E. Martin; Andrew Moor; Joe Camp; Volker Matschl; Ralf Ladebeck; Wolfgang Renz; Hubertus Fischer; Kirstin Jattke; Guenter Schnur; Norbert Rietsch; Bernard Bendriem; Wolf-Dieter Heiss

Archive | 2007