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A digital MRI RF-receiver using an ordinary GPU
Annalena Erbrecht1, Enrico Pannicke1, and Christoph Dinh1
1Otto-von-Guericke University, Magdeburg, Germany
Our studies showed that a CIC based decimation filter is suitable to realize a digital MRI console which requires low calculation effort and high noise attenuation. This filter can be used to directly convert the acquired signal to the k-space.
Figure 1: Block diagram of an MRI RF-receiver
Figure 2: Block diagram of a five stages CIC filter combined with a compensation filter