Reinforced concrete 7 Vibration analysis 7 Flexible structures 4 Mean square error 4 Vibrations (mechanical) 4 system identification 4 Active vibration controls 3 Ambient vibrations 3 Article 3 Buildings 3 Concrete buildings 3 Damage detection 3 Data acquisition 3 Earthquake engineering 3 Fiber optic sensors 3 Flexible plate structures 3 Fourier amplitude spectra 3 Fourier transform infrared spectroscopy 3 Nanoparticles 3 Natural frequencies 3 Plates (structural components) 3 Psychophysical experiments 3 Silicon 3 Stochastic resonance 3 Temperature 3 Thin films 3 Vibration control 3 X ray diffraction 3 Ambient vibration methods 2 Bolted joints 2