Zipfel Proceedings of IPAC (2023) THPA099, pp. 4190, Venice, Italy J. Phys.: Conf. Ser. 2687 072034 2022 Bunch Merging and Compression: Recent Progress with RF and LLRF Systems for FAIR D. E. M. Lens, R [...] Klingbeil, U. Laier, J. S. Schmidt, K. G. Thomin, T. Winnefeld, and B. Zipfel Proceedings of HIAT (2022) TUP03, Darmstadt, Germany Heavy-Ion Synchrotron and Storage Ring LLRF Systems at GSI and FAIR: Status [...] Development Experiment Results D. Lens, K. Groß, H. Klingbeil, U. Laier, B. Zipfel LLRF Workshop (2022), Brugg-Windisch, Switzerland Theoretical Foundations of Synchrotron and Storage Ring RF Systems H