A Method of Determining the Undamped Natural Frequency and the Damping in Over-damped and Slightly Underdamped Systems of One Degree of Freedom by Means of a Square-Wave Impact.
- 1 January 1949
- journal article
- Published by Wiley in Acta Physiologica Scandinavica
- Vol. 19 (4) , 344-349
- https://doi.org/10.1111/j.1748-1716.1949.tb00640.x