@article{Stelzner2015,
author = {J. Stelzner, G. Bringout, M. Graeser, and T.M. Buzug},
title = {Toroidal variometer for a magnetic particle imaging device.},
journal = {5th International Workshop on {Magnetic Particle Imaging} ({IWMPI}), IEEE Xplore Digital Library.},
year = {2015},
note = {inproceedings},
booktitle = {2015},
doi = {10.1109/IWMPI.2015.7107074},
keywords = {air core coil, biomagnetism, biomedical electronics, biomedical equipment, biomedical imaging, Coils, Fasteners, high-attenuation frequency filters, high-power signal, Inductance, Magnetic cores, magnetic particle imaging device, magnetic particles, Magnetic separation, oscillating circuits, reactive elements, resonant frequency, roidal variometer, Scattering, scattering fields, signal distortion, variable inductance,Graeser},
abstract = {In order to gain a supremely pure high-power signal, it is necessary to use high attenuation frequency filters. For this purpose, oscillating circuits can be used. The reactive elements in each oscillating circuit have to be adjusted very precisely to each other and to the resonant frequency as well. Additionally, it has to be taken care of scattering fields and signal distortion. The presented device is an air core coil with variable inductance and low scattering fields. It does not contain any ferromagnetic material to avoid the generation of higher harmonics within the filter.}
}

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