质心

基本解释 (translations)

barycenter  ·  barycentric  ·  centroid  ·  barycentre

词组短语

center of mass · centre of mass

与质心相关的网络例句 [注：此内容来源于网络，仅供参考]

At last,we use these feature regions to construct affine invariant s,based on affine geometry invariant property.

利用仿射区域划分获取一组扩展质心集合作为图像特征点集；求解特征点集的凸包，根据扩展质心的性质将凸包顶点均匀组合成若干特征区域；利用仿射几何性质构造了有效的仿射不变量。

Experiments using the down-scaled vehicle prove that the static direct yaw moment control significantly reduces the side slip angle at the center of the gravity Also the experiment results indirectly show that the 2 degree of freedom vehicle model is rather accurate.

仿真实验表明集成控制系统可以使汽车在各种运行情况下质心处侧偏角很小的同时，有效跟踪理想横摆角速度响应。模型小车实验也证明静态横摆力矩控制可有效减小质心处的侧偏角，并间接证明二自由度汽车模型准确性。

The center of Hartmann diaphragm image is solved by utilizing the centers of mass of all the light spots, and then the algorithm for the center superposition of the mass center distance is confirmed by the center symmetry of the diaphragm image.

其中利用所有光斑的质心求解哈特曼光阑图像的中心，再由光斑质心关于光阑图像中心的对称性确定光斑质心距离的中心重叠算法可减少计算次数，大大降低了算法的时间复杂度和计算复杂度。

A measuring system which mainly consists of a high precision motorized translation stage of one dimension, POINT GREY Flea2-14S3 CCD camera and LED light source was designed and constructed. Based on a detailed analysis for experiment results, the periodic changing law of system error of LED facula centroid location in this measuring system was found. The results indicate that based on Flea2-14S3 CCD camera, the random error of facula centroid location is about 0.018 pixels, the system error is about 0.06 pixels, and the total error is about 0.063 pixels (1/15 pixels).

利用高精度一维电动平移台、POINT GREY Flea2-14S3 CCD 相机和LED 光源构建了测试系统，对测试结果进行研究和讨论，发现了测试系统LED 光斑质心定位系统误差的周期性变化规律，计算得到了基于Flea2-14S3 CCD 相机的光斑质心定位随机误差为0.018 pixels，系统误差为0.06 pixels，总体误差为0.063 pixels(约1/15 pixels)，能够应用于以光斑质心检测为手段的测量系统中。

A measuring system which mainly consists of a high precision motorized translation stage of one dimension, POINT GREY Flea2-14S3 CCD camera and LED light source was designed and constructed. Based on a detailed analysis for experiment results, the periodic changing law of system error of LED facula centroid location in this measuring system was found. The results indicate that based on Flea2-l4S3 CCD camera, the random error of facula centroid location is about 0.018 pixels, the system error is about 0.06 pixels, and the total error is about 0.063 pixels (1/15 pixels). According to the total error above, this CCD imager can be widely used in many measuring systems which count on facula centroid subpixel detection.

利用高精度一维电动平移台、POINT GREY Flea2-14S3 CCD相机和LED光源构建了测试系统，对测试结果进行研究和讨论，发现了测试系统LED光斑质心定位系统误差的周期性变化规律，计算得到了基于Flea2-14S3 CCD相机的光斑质心定位随机误差为0.018pixels，系统误差为0.06pixels，总体误差为0.063pixels（约1/15pixels），能够应用于以光斑质心检测为手段的测量系统中。

Used squared eancroid method for CCD image subdivided locating,discussed on squared cancroid method,and compared it with traditional centroid method, Gauss curvefitting method , and polynomial interpolation method.

介绍了激光三角测距传感器的基本工作原理和激光光斑成像噪声处理的主要方法，将平方加权质心法应用于激光在CCD中成像的细分定位，并与传统质心法、多项式插值法和高斯曲线拟合法进行了较为系统的比较；通过实验表明，平方加权质心法是一种较为理想的细分定位方法，不仅简单、易于实现，而且具有更高的定位精度以及抗噪声的能力。

The influence of the excursion of the mass center of the torsional vibrating system of the three-string pendulum on the measurement of the moment of inertia is analyzed. A criterion for the mass center of the torsional vibrating system to be in alignment with the central axis of the three-string pendulum and a practical method to measure the moment of inertia of a body about a noncentral axis of mass using the three-string pendulum are proposed.

分析了三线摆扭振系统质心偏移对转动惯量测试的影响，给出了扭振系统质心与三线摆中心轴对齐的判别准则和用三线摆测定物体对非质心轴转动惯量的工程实用方法。

If the new centroids are the same as the old centroids, then that means the data within the centroids have not moved and the clusters have stabilized!

如果新的质心是与旧质心相同，那么这意味着在质心的数据并没有感动，集群已经稳定下来！

In the procedure of using the two city block template to find centriod of object in image, the calculations are all addition and subtraction of integer digitals, and the centriod is only concern with the contour points and its neighbor point's characteristic.

利用街区距离模板搜索目标质心，算法的计算只含整数的加、减运算，而且动态质心的移动方向判断也较原算法简化。在本文提出的质心快速搜索算法中，质心只与目标的轮廓及轮廓上点的上、下、左、右点的属性有关。

We show that the atomic c.m motion dont affect the atomic spectrum phase sensitivity when there is no correlation between atomic cm. motion and the field. With the increase of the average energy for atomic cm. motion, the peaks of the emission spectrum move towards each other, their heights change according to the state of the field and atomic motion. While there is correlation between atomic c.m.

当原子质心运动与光场无关联时，原子质心运动不影响原子发射谱对原子偶极矩和光场相对相位的敏感性，随着原子质心运动平均能量的增加，原子发射谱峰间的相对距离变小，峰高的变化与原子质心运动和光场所处的状态有关。

与质心相关的网络解释 [注：此内容来源于网络，仅供参考]

barycenter system：质心系

barycenter frame of reference 质心参考架构;质心参考坐标系 | barycenter system 质心系 | base area 底面积

center of mass system：质心系

center of mass motion 质心运动 | center of mass system 质心系 | center of percussion 撞恍心

center of mass motion：质心运动

center of mass effect 质心效应 | center of mass motion 质心运动 | center of mass system 质心系

center of mass coordinate：质心坐标系

center of mass 质心 | center of mass coordinate 质心坐标系 | center of mass law 质心定理

center of mass theorem：质心定理

center of mass system 质心坐标系 | center of mass theorem 质心定理 | center of oscillation 摆心

centre of mass system：质心系

centre of mass motion 质心运动 | centre of mass system 质心系 | centre of percussion 撞恍心

centre of mass motion：质心运动

centre of mass 质心 | centre of mass motion 质心运动 | centre of mass system 质心系

centroid：形心,质心 矩心

centerline 中心线 中心线 | centroid 形心,质心 矩心 | chamfer 倒角 倒角

centroidal principal axis：质心主轴

centroidal moment 质心矩 | centroidal principal axis 质心主轴 | centroids of areas and lines 面积和线的形心

centroidal axis：形心轴,质心轴

形心,矩心,质心 centroid | 形心轴,质心轴 centroidal axis | 形心距离 centroidal distance