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The environment in a Martian dust storm is critical to the operation of Mars airplanes and rovers due to high speed dust which may cause surface abrasion and equipment failure. In this work, a Martian dust storm simulation wind tunnel (MDSSWT) is designed and numerically investigated. This facility would be capable of performing simulation of the environment inside a Martian dust storm for ground-based...
The 0.15, 0.2, 0.3, and 0.5 mm-thick 6.5 wt.% Si electrical steel sheets were produced by twin-roll strip casting, hot rolling, warm rolling, and annealing. A detailed study of the microstructure and texture evolution at different processing stages was carried out by optical microscopy and X-ray diffraction. The initial as-cast strip showed strong columnar grains and pronounced $\langle 001\rangle$ ...
In peer-to-peer networks (P2Ps), many autonomous peers without preexisting trust relationships share resources with each other. Due to their open environment, the P2Ps usually employ reputation systems to provide guidance in selecting trustworthy resource providers for high reliability and security. However, node collusion impairs the effectiveness of reputation systems in trustworthy node selection...
This paper presents a biologically inspired ldquointegrate-and-fire (I&F) neuronrdquo which has multiple input dendrites for adaptive weight storage. By using a capacitor-free integrator, longer time constant and smaller chip area can be achieved. A low-power Schmitt Trigger is used to implement the feedback loop to achieve smaller power consumption. Weights are stored by using floating gate MOS...
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