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UW team shatters long-range communication barrier for devices that consume almost no power（图）
UW team shatters long-range communication barrier consume almost no power
2017/9/20
University of Washington researchers have demonstrated for the first time that devices that run on almost zero power can transmit data across distances of up to 2.8 kilometers — breaking a long-held b...
一氧化氮(NO)是高超声速飞行器流场中重要组分, 对飞行器本体和流场红外辐射传输有重要影响,因此研究NO有效带宽的快速算法很有必要。根据HITEMP 2010数据库,研究了NO在1~15 μm红外波段的谱线线强以及吸收系数分布特征,提出了改进的k分布模型,采用高斯数值方法快速求解;此外分析了吸收系数阈值对g-k曲线以及有效带宽的影响,提出了吸收系数阈值的选取方法。实验结果表明:文中方法计算得到的N...
A No-reference Perceptual Blur Metric Using Histogram of Gradient Profile Sharpness
No-reference Perceptual Blur Metric Histogram of Gradient Profile Sharpness
2010/12/20
No-reference measurement of blurring artifacts in images is a challenging problem in image quality assessment field.One of the difficulties is that the inherently blurry regions in
some natural image...