The results show that the extent of FOD depends on both impact energy E and geometric scale S. There exists a critical damage for a given blades.
结果表明，叶片的外物损伤程度取决于撞击能量E和几何标度S，对于一定的叶片，存在不影响疲劳寿命的极限损伤。
Some suggestions on the theory and practice in geometric scale up and construction design of rotating disk extraction columns have been presented.
通过设计与生产实践，对转盘式萃取塔的几何相似放大与结构设计方面的理论与实践，提出了探讨建议。
The calculating example shows that a stable stress intensity factor can be obtained by selecting a proper calculating boundary and changing the geometric scale of the region.
计算实践表明：选择适当的计算边界，用改变计算区域几何比例的方法可以求得稳定的应力强度因子。
The image watermark scheme based on Scale Invariant feature Transform (SIFT) feature is proposed for resisting geometric attacks.
提出一种利用尺度不变特征变换(SIFT)特征点实现对抗几何攻击的水印方案。
An effective against geometric attack robustness of digital watermarking algorithm based on improved SIFT (Scale Invariant Feature Transform) is presented.
通过改进的SIFT(尺度不变特征变换)算法提出了一种可有效抵抗几何攻击的鲁棒数字水印算法。
This paper discusses the close relation of geometry and architectural aesthetics in the aspects of ratio scale, geometric curved lines, geometric curved surfaces, etc.
几何与建筑美存在着密切关系，从比例分割、几何曲线、曲面等方面探寻了几何与建筑美的奇妙关系。
Owing to the difficulties in extracting iris edge image, a new iris location algorithm using geometric symmetry feature and edge detection from gray scale image is presented.
针对虹膜二值边缘图像提取的困难，提出利用虹膜图像的灰度边缘图像以及虹膜的几何特征进行虹膜定位的快速算法。
According to face geometric features and statistical features, multi-scale wavelet fusing algorithm and SVM are respectively applied to get the location and size of candidate faces.
根据几何特征运用多尺度子波图像融合算法以及统计特征运用SVM方法分别得到人脸在图像中的位置和尺寸。
The approach makes use of another important feature of the scale-free network: the final formation of a scale-free network is controlled by the geometric mean of its degrees.
该方法利用了无标度网络的一个重要性质，即无标度网络的最终形成是受其度的几何均值控制的。
The paper presents some theoretical analyses and experimental studies on the scale effect of model's geometric distortion.
本文为水力热力物理模型几何变态比尺影响的理论分析、水槽系统试验、及模型模拟实践综合研究成果。
MFC gray-scale image processing, including open display, filtering, binarization, histogram, geometric transformations, etc.
说明：MFC灰度图像处理，包括打开显示，滤波，二值化，直方图，几何变换等。
To restore the lost synchronism, a novel method to estimate the geometric operation using sifted Scale-Invariant Feature Transform (sift) was proposed.
为了恢复已失去的同步信息，提出一种基于筛选尺度不变特征估计几何攻击参数的数字水印算法。
The 3d geometric features can provide more information for recognition than 2d images and some measured features is invariant of transformation, rotation and scale.
三维几何特征能够提供比二维图像更加丰富的信息，其中部分标准化处理后的特征还具有平移、旋转和缩放不变性。
The method computes topological operator based on label, verdicts and merges the spatial relationship of geometric, expresses and displays the multi-scale of spatial data.
该方法建立基于标签的空间拓扑算子的计算，进行几何体空间关系的判断与合并，实现空间数据的多比例尺表达与显示。
A new technology of laser surface micro-molding is introduced, and the mechanical face seal ring cross-scale processing of the geometric shape is researched.
介绍了激光表面微造型新工艺新方法，对机械密封环端面进行跨尺度的几何形貌加工工艺研究。
Gray scale and geometric characteristic variables of defects are defined for defect detach according as the gray-statistical characteristic.
依据图像的缺陷统计特性，定义了缺陷的灰度、几何等特征量，用于缺陷分类。
Then, integral image is used to rapidly calculate the convolution of rectangular feature templates, so the detection of scale-space geometric features is greatly accelerated in the method.
矩形特征模板的卷积可以用积分图进行快速计算，该方法使特征检测的速度得到了很大提高。
When the precise geometric rectification of TM imagery was made with the ground control points selected from topographic map in scale of 1:100000, the accuracy of half a pixel is high.
由1：10万地形图选取平面控制点对TM磁带进行精处理，平面定位精度为半个象元，精度较高；
When the precise geometric rectification of TM imagery was made with the ground control points selected from topographic map in scale of 1:100000, the accuracy of half a pixel is high.
由1：10万地形图选取平面控制点对TM磁带进行精处理，平面定位精度为半个象元，精度较高；
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