centroid是什么意思 centroid的中文翻译、读音、例句

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1. Definition: The centroid is a point that represents the geometric center of a shape, or the average position of all the points in a region, such as a , a polygon, or a set of data points. It is often used in mathematics, physics, engineering, and computer science to describe the spatial, statistical, or graphical properties of a system or a dataset.

Example: The centroid of a square is the point where the lines of symmetry intersect.

2. Calculation: The centroid can be calculated by different formulas or algorithms depending on the type and dimensionality of the shape or the data. For example, the centroid of a can be computed as the intersection of its medians, or the average of its vertices. The centroid of a polygon can be found by dividing it into smaller s and computing their centroids. The centroid of a set of data points can be defined as the point that minimizes the sum of squared distances to all the points.

Example: To find the centroid of a circle, we need to divide it into infinitesimal sectors and integrate their centroids.

3. Application: The centroid has various applications in different fields, such as in mechanics, where it represents the center of mass or the balance point of a physical object. In computer vision, the centroid can be used to detect the location or the movement of objects in images or videos. In statistics, the centroid can be used to represent the mean or the center of a distribution of data.

Example: The centroid of a car can affect its stability and handling on the road.

4. Representation: The centroid can be represented by different symbols or notations, such as C, G, or X, depending on the convention or the context. It can also be visualized as a point, a vector, or a marker on a graph or a map.

Example: The centroid of a dataset can be plotted as a red dot in a ter plot.

Here are some additional example sentences:

1. The centroid of a parallelogram lies on the line connecting its midpoints.

2. In 3D geometry, the centroid of a tetrahedron is the point where its diagonals intersect.

3. The centroid of a color image can be calculated as the weighted average of its pixel values.

4. The centroid of a musical phrase can be used to yze its rhythm and melody.

5. The centroid of a population can indicate the optimal location for a public facility or a service.

英文单词“centroid”的中文翻译为“质心”，读音为/sɛntrɔɪd/。

例句：

1. The centroid of a is the point where the three medians intersect.

三角形的质心是三条的交点。

2. In physics, the centroid is also known as the center of mass.

在物理学中，质心也称为物体的重心。

centroid的中文解释是"图心、重心"，还有数的意思，在线读音是['sentrɒid]，centroid在英语中经常以名词形式出现，在《荷林斯英英小词典》中，共找到49个与centroid相关的例句。

Centroid的释义

1.图心

例句:St_centroid computes the city center. (st_centroid计算城市中心。)

2.重心

例句:Under the condition that marked inertial navigation units(INU) measurement errors do exist, two new Doppler centroid estimation techniques in frequency domain and time domain were proposed. (本文针对载机惯导参数误差较大的实际情况，提出了改进的频域和时域多普勒质心估计算法。)

3.数

例句:In the designing of location algorithm, the three-bonier measurement was improved, and a location algorithm based on the centroid of square was given. (在定位算法的设计中，改进了三边测量法，给出了一种基于正方形形心的定位算法。)

4.面心、数

例句:We studied the relationship between the solidity of transverse sections, centroid motion angles, and pulse fluency, during a cardiac cycle. (翻译:目的：探讨周期运动过程中桡动脉横切面固靠性、轴心运动轨迹所形成角度与脉象流利度之间的关系。)

用法及短语

centroid一般作为名词使用，如在fixed centroid(固定极心线)、geometric centroid(何中心，几何形心)、mass centroid(质量中心)等常见短语中出现较多。

例句

1. In the designing of location algorithm, the three-bonier measurement was improved, and a location algorithm based on the centroid of square was given. (翻译:在定位算法的设计中，改进了三边测量法，给出了一种基于正方形形心的定位算法。)

2. We studied the relationship between the solidity of transverse sections, centroid motion angles, and pulse fluency, during a cardiac cycle. (翻译:目的：探讨周期运动过程中桡动脉横切面固靠性、轴心运动轨迹所形成角度与脉象流利度之间的关系。)

3. The conventional monopulse radar will track a power weighted centroid of target and be interfered when centroid-interference is present. (翻译:存在质心干扰情况下，普通单脉冲雷达将跟踪干扰与目标的能量重心。)

4. A model of the beam centroid motion in a linear induction accelerator(LIA) was developed. (翻译:给出了直线感应在磁体失准情况下电子束质心运动轨迹的计算机模型。)

5. The original centroid tracking algorithm is no longer suitable because of the speckle noise in ladar image. (翻译:然而常规形心跟踪算法因激光雷达图像受到散斑噪声影响而变得不适合。)

6. Centroid tracking algorithm is widely used because of its simplicity and quick run speed. (翻译:形心跟踪算法因为简单、执行速度快而得到广泛采用。)

7. The excursion of centroid position of focal spot may be easily acquired with the centroid position expression of focal spot. (翻译:利用焦斑质心位置表达式，可分析和确定由于振幅调制和相位畸变导致的质心位置偏移。)

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