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High-speed cameras have the advantage over classical measuring techniques that measurements can be obtained from a distance, without having any contact with the structure and provide a full-field response. The latter advantage is utilized to reduce uncertainty of identified damping. Due to the high ...

Monitoring distant structures using a high-speed camera frequently relies on modal parameters. Even with high-dynamic-range sensors (e.g., accelerometers) damping identification is not trivial. With high-speed cameras the dynamic range is relatively small and contaminated with a relatively high leve ...

This research focuses on the time-domain identification of modal parameters using impact response excitation from signals with a relatively small dynamic range and high noise contamination (e.g., from high-speed cameras). The information required to identify the modal parameters is limited and is co ...

Modal analysis using structural responses identified from high-speed cameras is a challenging task. The problem is that the measured displacements are relatively small (typically deep in the sub-pixel range) and submerged in noise due to the low dynamic range of the camera sensor. A typical approach ...