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A three-DOF steel frame model was built up by Matlab, to simulate damage and calculate its vibration response. Finally, amplitude jumps are found in the processed signals. the results show that damage detection on acceleration signal by using Wavelet Transform method is superior to on displacement and speed signal, the function of judging whether there are damages or confirming the moment the structural...
The restoration of the photographically defocus blurred image depends primarily on the knowledge about the degradation process. There have been various methods to model the defocus blur. The effectiveness of the method for deriving the defocus blur model parameters determines the image restoration quality to some extent. In this work, assuming that the PSF can be modeled by a function with a single...
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