TY  - RPRT
TI  - Development of an on-line parameter estimation system using the discrete modal filter
AU  - Shelley, S. J.
AU  - Freudinger, L. C.
AU  - Allemang, R. J.
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19940035833
ID  - 19940035833
ER  -