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Locust wings are able to sustain millions of cycles of mechanical loading during the lifetime of the insect. Previous studies have shown that cross veins play an important role in delaying crack propagation in the wings. Do cross veins thus also influence the fatigue behaviour of the wings? Since many important fatigue parameters are not experimentally accessible in a small biological sample, here...
Secure components are subject to physical attacks whose aim is to recover the secret information that they store. Most of works which aim to protect these components generally consist in developing protections (or countermeasures) taken one by one. But this "countermeasure-centered" approach drastically decreases the performances of the whole chip in terms of power and speed. Our work is...
The verification of timed digital circuits is an important issue. These circuits are composed by logical gates, each of them being associated with propagation delays. The analysis of such circuits is necessary to identify critical path and adjust the clock period of the circuit or to determine the stability period of input/ouput signals. These circuits are represented by a functional model described...
This paper presents a new approach to improve the speed of switch-level timing simulation of MOS digital circuits. High performance is achieved by redefining the concept of event within the event-driven selective-trace paradigm. Unlike conventional techniques, in our approach an event occurs on an input slope change rather than a voltage change, thereby, lessening significantly the number of events...
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