四边形的四边形与点变换?
Transform from quadrilateral to quadrilateral with AffineTransform?
用点变换理论分析气镐的动力过程,讨论气镐正常起动和稳定工作的条件。
The dynamic process of pneumatic pick and the conditions under which the normal starting and stable working are available are discussed by way of the theory of point transformation.
讨论了在这种定义下的两类马氏过程经停点变换后保持马氏性及强马氏性的条件。
The conditions are given which the processes obtained from stopping points transformation remain the Markov property which are defined in this paper.
给出了两指标马氏过程经停点变换后仍保持有马氏性和文中所定义的强马氏性的条件。
The conditions are given under which the processes obtained after stopping points transformation still have the two Markov properties and the two strong …
本文利用FANUC及SIEMENS数控系统的宏指令功能,设计了编程零点变换宏程序和零件成组加工宏程序。
In this paper macroinstructions of FANUC and SIEMENS NC systems are employed to design macroprograms of programming zero transforming and group machining of workpiece.
采用像素点变换法,实现了根据三维物体的二维投影图像恢复物体表面的真实几何面积的设想,大大降低了缺陷面积计算的误差;
To decrease the relative errors, the pixel transform method was adopted to recover the geometrical feature of sphere fruit surface from projected image while the area of defect was calculated.
上午九点半的时候,完整的红黄绿信号灯变换周期大概为140秒。
At 9:30 am, the full red/yellow/green signal cycle might be 140 seconds.
这项技术被称为STEAM,即连续时间编码放大照相机。 它用一束红外激光照射物体,变换一系列不同的波长,每一个对应着传感器上的一个像素点。
The technology is dubbed STEAM, short for serial time-encoded amplified microscopy.
它的每一个像素点都对指定的入射角十分敏感,并提供一部分称为“傅里叶变换”的数学运算以产生一张20像素的图像。
Each of its pixels is sensitive to specific incident angles and supplies a component of the mathematical operation called the Fourier Transform to produce an image about 20 pixels across.
这是一点小小的误导,因为源代码已被变换并且现在处于组件测试项目中。
This is a little misleading since the source code has been converted and now exists under our component test project.
但在过去一个月,市场的领导者已经变换。看看全球各地股市的动量指标,这一点就十分明了。
But the leadership of markets has shifted in the past month. That comes through clearly when looking at measures of momentum in different stock markets around the world.
探测器围绕极地轨道运行;据推测,兰斯-蒂林效应将在探测器经过赤道的点上一点点地变换。
The probe orbits the Earth's poles; the Lense-Thirring effect is predicted to shift, little by little, the point on the equator crossed by the spacecraft.
舞者身上的发光点快速地变换着颜色,为这奇幻动人的表演又增添了几分绚丽。
Rapid controlled shifts of the dancers' bioluminescent spots add to the magical beauty of the performance.
本文将保角变换法与点匹配法结合起来,得到了一种计算同轴线特性阻抗的方法。
Based on conformal transform method and point matching method, a method to calculate the coaxal line characteristic resistance is presented.
角色通常是竖直地走在地面上,如果角色的锚点(也就是他的变换中心)在地面上会更容易控制。
Since a character typically walks upright on a floor, it is much easier to handle if its anchor point (ie, its transform position) is directly on that floor.
它稍微变换与直接选择工具(一)选择点,并处理和拖动它靠近,直到形状是一个小大于文件的形状。
Transform it slightly with the Direct Selection Tool (a) by selecting the points and handles and dragging it around until the shape is a little bigger than the paper shape.
硬开关和准谐振反激变换器之间的差异在于一次侧开关的开启时间点。
The difference between a hard switching and quasi resonant flyback converter is the turn on time point of the primary switch.
然后,着重讨论了用于轴承边界的圆度、尺寸和圆心度检测的两种计算方法—点—圆变换法和圆形曲线拟合法。
Then, two methods are discussed which are point-circle transformation and circular curve fitting for inspecting the bearing's circularity, dimension and concentricity.
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。
The image watermark scheme based on Scale Invariant feature Transform (SIFT) feature is proposed for resisting geometric attacks.
和600伏特设计比较,800伏特准谐振反激变换器的电压频谱在1兆赫兹以下更高一点,在1兆赫兹以上开始变小。
As it can be seen the voltage spectrum of the 800v quasi resonant flyback is higher at frequencies below 1 MHz, and is getting lower above 1 MHz compared to both 600v designs.
因此,一幅图像的分形编码就是寻找一个合适的压缩仿射变换,它的不动点是原始图像尽可能好的近似。
Thus, encoding an image by fractal techniques consists of finding an appropriate contractive transformation whose fixed point is the best possible approximation of the original image.
小波变换具有良好的时频局部性,具有变焦距的特点,对故障信号中的奇异点能够准确识别,是论文中应用的主要分析方法。
Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.
此变换算法保证给出的控制栅格点的准确对应,可得较高的精度。
The algorithm guarantees precise correspondence between controlling points, higher precision can be obtained.
本文就线性代数中几个重要知识点:线性变换、线性方程组的解、矩阵对角化等的逆向问题进行研究。
The inverse problems are researched on linear transformation, system of linear equations, diagonalizing of matrix, and so on.
它丰富了目前计算机绘图中对最简单圆形——点的齐次表示及其透视变换。
The result is that the homogeneous presentation and its perspective transformation for the simplest figure—the point are enriched in computer drawing.
本文对中心平方交换中的点、直线的变换进行了较为深入的探讨,不但对其进行了几何分析,而且给出了数学解析式。
The transformations of the points and straight lines in central square transformations areinvestigated. Both the geometric analysis and mathematic expressions are given.
在检测变换域峰值点时,采用了结合全局CFAR检测的最大值点搜索的方法;
The peak values in the transform area are detected by a maximum search integrating global CFAR detector.
补零傅立叶变换加速了大约3-4个百分点。我们所有的测试都使用了补零傅立叶变换,所以所有人都应该能感受到一定的速度提升。
Zero-padded FFTs are about 3-4% faster. All our tests use Zero-padded FFTs so everyone should see a modest speed boost.
利用棋盘格角点共面特点,将平面到平面的变换引入到角点检测中,实现了角点的自动粗定位。
Since X - corners coplanar, a plane - to - plane transform is introduced and rough location of X - corners is realized.
利用棋盘格角点共面特点,将平面到平面的变换引入到角点检测中,实现了角点的自动粗定位。
Since X - corners coplanar, a plane - to - plane transform is introduced and rough location of X - corners is realized.
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