Publication: Multi-Rate Acquisition for Dead Time Reduction in Magnetic Resonance Receivers: Application to Imaging With Zero Echo Time
Multi-Rate Acquisition for Dead Time Reduction in Magnetic Resonance Receivers: Application to Imaging With Zero Echo Time
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Marjanovic, J., Weiger, M., Reber, J., Brunner, D. O., Dietrich, B. E., Wilm, B. J., Froidevaux, R., & Pruessmann, K. P. (2018). Multi-Rate Acquisition for Dead Time Reduction in Magnetic Resonance Receivers: Application to Imaging With Zero Echo Time. IEEE Transactions on Medical Imaging, 37(2), 408–416. https://doi.org/10.1109/tmi.2017.2750208
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For magnetic resonance imaging of tissues with very short transverse relaxation times, radio-frequency excitation must be immediately followed by data acquisition with fast spatial encoding. In zero-echo-time (ZTE) imaging, excitation is performed while the readout gradient is already on, causing data loss due to an initial dead time. One major dead time contribution is the settling time of the filters involved in signal down-conversion. In this paper, a multi-rate acquisition scheme is proposed to minimize dead time due to filtering.
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- Marjanovic, Josip
- Weiger, Markus
- Reber, Jonas
- Brunner, David O
- Dietrich, Benjamin E
- Wilm, Bertram J
- Froidevaux, Romain
- Pruessmann, Klaas P
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Marjanovic, J., Weiger, M., Reber, J., Brunner, D. O., Dietrich, B. E., Wilm, B. J., Froidevaux, R., & Pruessmann, K. P. (2018). Multi-Rate Acquisition for Dead Time Reduction in Magnetic Resonance Receivers: Application to Imaging With Zero Echo Time. IEEE Transactions on Medical Imaging, 37(2), 408–416. https://doi.org/10.1109/tmi.2017.2750208