centroid

centroid

美 ['sentrɔɪd]  英 ['sentrɔɪd]

  • n.质心;重心;〔物〕中心;图心
  • 网络形心;矩心;面心

英汉解释

n.
1.
[物]矩心,质心,质量中心形心曲线,心迹线
2.
〔物〕矩心,质心,重心,心迹线
3.
〔物〕中心
4.
图心
5.
几何中心

例句

An approach is proposed that this deviation can be obtained by using the weld pool image centroid and a Kalman filter.

为此提出一种利用图像质心卡尔曼滤波间接获取电弧焊缝偏差方法

The position of each station is one of the two horizontal projections of the department centroid along the path of the transport system.

每个位置沿交通系统道路部门质心横向预测之一

Furthermore, the centroid of a tensor product of a simple Lie triple system and a polynomial ring is completely determined.

更进一步完全确定一个李三一个

The weighted centroid localization algorithm has higher accuracy than maximum likelihood estimation and can be applied to many applications.

节点定位精度常用极大似然估计算法具有普遍应用意义

We studied the relationship between the solidity of transverse sections, centroid motion angles, and pulse fluency, during a cardiac cycle.

目的探讨周期运动过程桡动脉横切面轴心运动轨迹形成角度脉象流利度之间关系

The user model is expressed in form of vector space model. It's built using centroid-based classification method.

基于向量空间模型表示用户模型采用重心向量分类算法建立用户模型

If this load centroid is behind the elastic axis of the wing structure, then a nose-down twist of the main wing surface results.

如果载荷重心机翼结构弹性之后引起机翼表面前端向下扭转

In this paper, three heuristic rules were brought forward for obtaining a centroid vector corresponding to a root set.

本文启发式规则用于获取文档质心向量

The excursion of centroid position of focal spot may be easily acquired with the centroid position expression of focal spot.

利用质心位置表达分析确定由于振幅调制相位畸变导致质心位置偏移

Airborne radar moving target detection ( MTD ) systems must accurately estimate clutter spectrum centroid to suppress the clutter.

机载雷达目标检测MTD处理为了有效抑制杂波必须先波谱中心进行准确估计

In the theory of distance discrimination, we often do discrimination analysis by centroid distance method.

距离判别理论通常采用重心距离定义之间距离对待样品进行判别

The conventional monopulse radar will track a power weighted centroid of target and be interfered when centroid-interference is present.

存在质心干扰情况普通脉冲雷达跟踪干扰目标能量重心

A model of the beam centroid motion in a linear induction accelerator(LIA) was developed.

直线感应加速器磁体失准情况电子束质心运动轨迹计算机模型

Logistics Center, Site-selection, Model for Centroid Method, Analytic Hierarchy Process, Case Analysis.

物流中心选址问题重心模型层次分析实例分析

Doppler centroid estimation is one of the most important steps in the DBS imaging of airborne pulse Doppler radars.

质心估计机载脉冲雷达DBS成像技术最为关键步骤之一

This system adopts difference algorithm to detect moving target, and uses centroid tracking to track the target automatically.

系统运用差分检测运动目标采用跟踪自动跟踪目标

The spectral centroid shift (SCS) of ultrasonic backscattering signals is introduced to assess cancellous bones.

采用超声背散射信号质心偏移评价松质

At supersonic speeds the control load acts mainly on the deflected surface itself , and hence has its centroid even farther to the rear .

超音速操纵载荷主要作用偏转本身因此作用中心甚至更加

The properties of Doppler centroid frequency and Doppler frequency rate of GEO SAR is discussed in detail.

探讨同步轨道SAR普勒中心频率频率特征

The singular points are accurately detected at the centroid of the connected component.

采用连通区域质心方法精确定位奇异

However, the speed of vehicle centroid is zero when a vehicle testing on a roller test-bed.

滚筒试验台上检测汽车质心速度一种静态检测

The varying centroid control system was studied, by which a spinning warhead realizing the terminal maneuvering.

弹头实现末端机动变质控制系统进行研究

Centroid jamming is an important means for naval vessels resisting anti-ship missile.

质心干扰水面舰艇对抗导弹一种重要手段

The numerical example shows that the centroid method is not appropriate.

数值计算表明方法可取

The theory and simulation show that the centroid method has the advantages of higher precision and easier implementation.

理论分析仿真表明质心具有测距精度算法简单易于实现优点

The vertical centroid of land utilization type was descending, except irrigated fields, grassland with high coverage, and other grassland.

水田覆盖草地其他草地土地利用类型垂直重心下降

Meteorological factors had no impact on the diurnal centroid for latent heat flux.

潜热通量变化峰值时间气象要素关系显著

Then the significant region is obtained from the normalized image by utilizing the invariant centroid theory.

然后结合变质理论提取归一化图像重要区域

The analyses on the variable centroid controlled spinning missile were made by utilizing the root locus method.

利用轨迹变质控制旋转导弹稳定性进行分析变质控制导弹稳定充分必要条件

of or relating to (especially passing through) a centroid.

属于关于重心尤其是穿过重心)。

The effective simulation method of incision impact of target RCS is discussed according to the main characteristics of centroid jamming.

针对舰艇质心干扰主要特点探讨目标RCS切割效应仿真具体实现问题

From the view of practical applications, the detection precision of light centroid method is introduced.

本文实际应用角度出发阐述重心LAMOST光纤位置检测精度问题

It is proved that the scheme of phase compensation is virtually equivalent to the track Doppler centroid method.

理论上证明采用相位补偿多普勒中心跟踪等效

Compute the centroid, which is the average of each column of data using only the members of each cluster.

计算重心使用每个群集数据平均数

Then we use the triangular-centroid method to estimate the location of the unknown nodes.

然后利用循环估计未知节点位置

The centroid accuracy of star tracker is the base of other accuracies. Its pointing accuracy is required to reach arc second scale.

精度敏感光斑质心精度敏感整体精度基础需要达到

This paper proposes a fault-tolerant reconfigurable controller for attitude control system of space crafts with abrupt changes of centroid.

研究一类质心突变飞行器姿态控制系统发生故障一种控制方法

In this paper, two robust digital watermarking algorithms based on image normalization and invariant centroid theory are proposed.

图像变质理论基础提出安全性较高数字图像水印算法

The problems of target moving analysis to centroid's and shape's towed linear array are studied.

研究质心形体拖曳线列阵目标运动分析

An algorithm to recognize unconstrained handwritten numerals based on centroid layer feature is proposed in this paper.

采用基于符质心层次约束手写数字进行分类识别