@inproceedings{oai:omu.repo.nii.ac.jp:00000411, author = {Akita, Takeshi and Takaki, Ryoji and Kogiso, Nozomu}, book = {26th International Conference on Adaptive Structures and Technologies (ICAST 2015)}, month = {Oct}, note = {application/pdf, 26th International Conference on Adapdive Structures and Technologies. 14-16 October 2015, Kobe, Japan.}, pages = {427--435}, publisher = {26th International Conference on Adaptive Structures and Technologies (ICAST 2015)}, title = {Adaptive Ensemble Kalman Filter Estimation of Nonlinear Structural Systems with Unknown Noise Covariance}, volume = {65}, year = {2015} }