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Tight Weyl–Heisenberg frames in l^2 (Z ) are the tool for short-time Fourier analysis in discrete time. They are closely related to paraunitary modulated filter banks and are studied here using techniques of the filter bank theory. Good resolution of short ...
During knee flexion, the human patella moves along a complex path resulting from the combined actions of articular contact and soft-tissue stabilization. The current study is an attempt to characterize the role of these soft structures on patellar kinemati ...
Trochlear dysplasia is an anatomic anomaly of the knee that is characterized by an abnormal geometry of the trochlea. The normal shape of the trochlea is concave, but when the trochlea is flat, the patient may experience knee pain, instability and a higher ...
This paper starts by presenting several examples of original flexible bearings and flexible articulated structures having 1 to 6 degrees of freedom to illustrate how flexures can soundly be used in high precision robotics. Then, the influence of the electr ...
Recents studies have shown that the use of improvement techniques on welds allows an increase in the level of admissible fatigue strength (even more than 100%). The aim of this study was to collect and validate literature data, create a data base containin ...