Abstract: In a method for homogenizing the imaging obtained by a magnetic resonance measurement of a body region, wherein a local antenna of small dimensions and an antenna arrangement arranged outside the body and of larger dimensions are used for imaging, in order to obtain a combined image, a reception profile, referenced to the reception profile of the antenna arrangement of the local antenna, is determined, and the combined image is corrected with the aid of this relative reception profile of the local antenna. A homogenized combined magnetic resonance image is obtained without reducing the signal-to-noise ratio that can be achieved by the local antenna.

Abstract: In a turbo-spin echo sequence for acquiring raw data and nuclear magnetic resonance tomography apparatus, the phase-encoding of the nuclear magnetic resonance signals is implemented with so that the echos occurring after a each excitation are allocated to segments of successive rows of a raw data matrix.

Abstract: The gradient read time is varied during the course of a single pulse sequence in which both proton density weighted image data and T.sub.2 -weighted image data are collected. The number of gradient refocussings after each RF refocussing pulse in a gradient spin echo pulse sequence is changed during the course of the pulse sequence.

Abstract: Echo signals from the same multiple echo pulse train sequence which are taken at the same phase-encoding gradient are averaged to prevent spin-spin relaxation from degrading an MR medical diagnostic image. Echo signals from two different pulse sequences taken at the same phase-encoding gradient and occupying different temporal positions within each pulse sequence are likewise averaged.

Abstract: In a pulse sequence according to the turbo-spin echo method, only a part of the raw data matrix (MR) that lies asymmetrically relative to a zero line and that contains this zero line is filled with samples, whereby phase-coding gradients (GPS) are switched such that the echo signals that are only slightly dephased by the phase-coding gradient are acquired closely following a radio-frequency excitation pulse (RF1). These signals are thus entered into the central lines of the raw data matrix (MR) which are the ruling factor in determining the weighting of the reconstructed image.

Abstract: In a nuclear magnetic resonance tomography apparatus, for slice profile optimization, a pre-saturation RF pulse is generated in the presence of a slice selection gradient before the excitation RF pulse in a gradient echo sequence. The frequency spectrum of the pre-saturation RF pulse is defined so that it excites regions of the slice which correspond to the edges of the excitation RF pulse. A spoiler gradient in the z-direction is generated between the pre-saturation RF pulse and the excitation RF pulse. As a result of the pre-saturation RF pulse, the dependency of the slice profile on the flip angle of the excitation RF pulse and on the relationship T.sub.R /T.sub.1 is reduced.