Relationship between dispersion circle and the range of depth of field;
弥散圆与景深范围的关系
Based on dispersion circle,a new auto focusing method is proposed.
介绍了目前常见的虹膜采集自动调焦方法,分析了被广泛应用的基于图像清晰度评价函数的方法,指出其关键指标为单峰性、灵敏度、无偏性和快速性,提出一种新的基于弥散圆的虹膜采集自动调焦方法,该方法利用主动点阵红外光源,结合可靠的瞳孔粗定位算法,不仅具有良好的单峰性和灵敏度,而且在实时性能上具有明显的优势,单幅虹膜图像平均处理时间小于1ms。
Auto Focusing Method Based on Dispersion Circle Used in Iris Image Acquisition
基于弥散圆的虹膜图像采集自动调焦方法
Large-eddy simulation of particle dispersion and velocity similarity in a two-phase round turbulent jet
两相圆湍射流颗粒弥散与速度相似性大涡模拟
mechanical dispersion(convection dispersion)
机械弥散(对流弥散)
For a triangular aperture we no longer see a circle of confusion, but rather a triangle of confusion.
对于三角形光圈,我们看到弥散圈不是圆形的,而是三角形的。
Studies on Development of the Diffuse Neuroendocrine System Cell and the Immune Cell in Sacculus Rotundus of Rabbit;
兔圆小囊内弥散神经内分泌细胞及免疫细胞发生发育研究
Acute Centrum Ovale Infarction: Evaluation with Diffusion-Weighted MR Imaging;
磁共振弥散加权成像对急性半卵圆中心脑梗死的评价
dispersion ring
弥散环 -恒星运动
dispersion theory
色散理论,弥散理论
EDX (Energy Dispersive X-ray Detector)
能量弥散x 射线探测器
diffuse neuroendocrine system
弥散神经内分泌系统
EDXRF (Energy-Dispersive X-Ray Fluorescence)
能量弥散X射线荧光
nondispersive infrared analyzer
无弥散红外线分析器
diffuse hypergammaglobulinemia
弥散性高血球蛋白症
Improved Dispersed Explosive System
改良式弥散爆炸系统
cone-bottom gas-dispersion agitator
锥底气体弥散搅拌器
The wave are of course dispersive.
当然这种波是弥散的。
dispersion strengthened alloys made by powder metallurgy
粉末冶金弥散强化合金
dispersion orbit
弥散轨道 -恒星运动
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