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- vortex core region detection 涡核区域检测
- Based on the critical poin t theory , this paperuses theeigenvector method to automatically looking for the vortex core in 3D discrete vector fields. 基于临界点理论，使用特征矢量方法在三维离散矢量场中进行了涡核寻找的研究。
- This method can find out the vortex core very quickly and accurately, and can give to CFD researchers a very effici ency data analysis tool. 该方法能够快速准确地找到三维矢量场中的涡核，为CFD工作者提供了一个有效的数据分析工具。
- The results showed that the precessing vortex core (PVC) phenomenon existed in all axial positions of the cyclone separator. 结果表明,旋风分离器全空间内都存在旋进涡核现象。
- Based on the critical point theory , this paper uses the eigenvector method to automatically looking for the vortex core in 3D discrete vector fields. 基于临界点理论,使用特征矢量方法在三维离散矢量场中进行了涡核寻找的研究。
- Abstract： Based on the critical poin t theory , this paperuses the eigenvector method to automatically looking for the vortex core in 3D discrete vector fields. 摘 要： 基于临界点理论，使用特征矢量方法在三维离散矢量场中进行了涡核寻找的研究。
- The motion of precessing vortex core (PVC) in a cyclone separator is described and the influence of PVC on the flow field in the cyclone separator is analyzed. 定性分析了非稳态旋进涡核在旋风分离器流场中的运动形式及其对流场的影响。
- The Optimization of Ideal Spatial Location and the Transferring Effects of Institutional Innovation of Core Region. 理想的空间布局优化与极核区域制度创新传递效应。
- North Tibet alpine prairie is the core region to the development of Tibet stockbreeding. 摘要藏北高寒草原是西藏畜牧业发展的核心区域。
- H. Wang and S. F. Chang, "A Highly Efficient System for Automatic Face Region Detection in MPGE Video," IEEE Trans. Circuits Syst. Video Technol., vol.7, no. 4, pp. 615-628, 1997. 施柏梁，"运用特徵向量技术于手机取像之人脸辨识系统"，硕士论文，国立中正大学电机工程研究所，嘉义，2003
- As the temperature increases further, melting gradually propagates from surface to core region. 随着温度的进一步升高，熔化逐渐由颗粒表面向内部区域传播。
- Firstly，isoperimetric algorithm is applied in still image segmentation，and the result is compared with two methods based on edge detection and region detection. 首先利用等周算法对静止图像进行分割，并与边缘检测和区域检测的两种分割方法进行结果比较；
- Thirdly, pavement dilapidation image is divided into subblock image, and the marginal information is extracted from subblock image by the region detection algorithm. 利用了区域检测算法，将路面破损图像划分成子块图像，提取破损路面的边缘信息；
- Has the city from the Warring States time to start, the peaceful street is the Changsha old city core region, has more than 2000 years history. 自战国时期有城池开始，太平街就是长沙古城的核心地带，有着2000多年的历史。
- The theoretical formulas of caculation for ultimate shear strength of core region arc sct up according to the plastic thcories. 采用塑性理论推导了核心区极限承载力的理论公式,结合试验结果,建立了节点铁心区抗剪强度的实用计算公式。
- The guidance properties of the holey fiber are determined by the solid-silica core region and the size and pattern of air holes. 通过改变多孔光纤中的芯区面积、空气孔的直径和分布,可以灵活地设计其导波特性。
- This paper defines some local minutiae structures around core region, and according to the matching results of these structures, the fiducial point is extracted accurately. 在图像中心区域为若干细节点分别构造局部结构,根据这些结构的匹配结果实现了基准点的精确定位。
- With little difference in mode field distribution compared to the pure silica situation, the nonlinearity of PCF is greatly enhanced by doping Ge in the core region. 结果表明，在几乎不影响模场分布和色散的情况下，光纤非线性系数得到了大幅提高。
- Reportedly, As in Guangzhou Xinguang rapid new cities along the north road axis landscape with the core region, and therefore must Liede Bridge "beautiful. 据了解，由于新光快速路北沿线位于广州新城市中轴线景观带的核心区域内，因此猎德大桥必须“漂亮”。
- Fluid temperatureon the bottom part of the channel is higher than in the core region of thechannel when the lower plate is adiabatic due to the effect of viscousdissipation. 在实际可实现的参数条件下，粘性耗散对多孔介质中对流换热的影响不大；
