Phase measurement improvement in temporal speckle pattern interferometry using empirical mode decomposition

Measurement of transverse vibrations/vis

Measurement of transverse vibrations/visualization of mode shapes in square plate by using digital speckle pattern interferometry and wavelet transform

✍ Saba Mirza; Priti Singh; Rajesh Kumar; A.L. Vyas; Chandra Shakher 📂 Article 📅 2006 🏛 Elsevier Science 🌐 English ⚖ 761 KB

New filtering scheme is investigated and implemented on digital speckle pattern interferometric fringes to enhance the signal-to-noise ratio (SNR) in the speckle interferograms. To establish the potential of new filtering scheme the experiment was conducted on the vibrating cantilever beam. Experime