@article{zhang:hal-03214963, TITLE = {{A Direct Preconditioner for Coupling Matrix Reconfiguration of Bandpass Filters With Irregular Couplings Using Continuation Method}}, AUTHOR = {Zhang, Yan and Wu, Ke-Li and Seyfert, Fabien}, URL = {https://inria.hal.science/hal-03214963}, JOURNAL = {{IEEE Transactions on Microwave Theory and Techniques}}, PUBLISHER = {{Institute of Electrical and Electronics Engineers}}, VOLUME = {69}, NUMBER = {2}, PAGES = {1394-1403}, YEAR = {2021}, MONTH = Feb, DOI = {10.1109/TMTT.2020.3045991}, KEYWORDS = {Coupling matrix ; filter reconfiguration ; homotopy continuation ; irregular topologies ; microwave filter tuning ; preconditioner}, PDF = {https://inria.hal.science/hal-03214963/file/TMTT-2020-09-1070_Source.pdf}, HAL_ID = {hal-03214963}, HAL_VERSION = {v1}, }