A new ellipse-tracking algorithm based on the active contour and the optical flow technique was proposed.
给出一种新的基于活动轮廓与光流约束的椭圆跟踪算法。
To join ellipse yield function, hardening parameter with plastic work, associated flow law and damage theory, the elastoplastic damage constitutive model of loess were derived.
结合以塑性功为硬化参数的椭圆形屈服面，根据相关联流动法则及损伤理论推导出了黄土弹塑性损伤本构模型。
A new ellipse extraction algorithm based on the ellipse-special deformable templates and gradient vector flow (GVF) was proposed.
给出一种结合梯度矢量流(GVF)及椭圆变形模板的椭圆提取新算法。
The ellipse arc may depress the acceleration of supersonic flow in inlet area, decrease the strength of inlet shock wave.
椭圆形的前缘可减弱超音气流在前缘进口区的加速程度，降低进口弓形波的强度；
The advantages of rectangle and ellipse ceramic burner, their design principle, the selection of main parameters and determination, the calculation of the flow resistance are briefly intro - duced.
本文介绍了内燃式热风炉矩形、椭圆形陶瓷燃烧器的优点、设计原则、主要参数的选择、主要结构尺寸的确定及阻损计算等。
It shows that the calculation by applying equivalent ellipse will produce a value of fin efficiency on the high side and the fin efficiency decreases with the increase of disturbing flow holes.
结果表明，采用当量椭圆简化矩形翅片使肋效率偏高，增加扰流孔则导致肋效率下降。
It shows that the calculation by applying equivalent ellipse will produce a value of fin efficiency on the high side and the fin efficiency decreases with the increase of disturbing flow holes.
结果表明，采用当量椭圆简化矩形翅片使肋效率偏高，增加扰流孔则导致肋效率下降。
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