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The recognition precision of the existing auditory scene recognition algorithms is relatively satisfactory, but they can only be applied to several noise scenarios, and it can't meet the performance requirements of digital hearing aids in complex environment. In order to solve the above problems, scene recognition algorithm based on multi-feature and weighted minimum distance classifier is proposed...
In order to achieve better economic benefit and social impression, tobacco enterprise must establish effective and operable performance appraisal system. It is very important to select indexes and their weight for performance appraisal. In the paper, weight for AHP-based (analytic hierarchy process) performance appraisal is studied by case. The result indicates that sales volume, inventory and purchasing...
Near-IR negative index metamaterials with substantially improved optical performance are numerically demonstrated and experimentally verified. The scaling of this structure to visible wavelengths is also discussed.
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