centroid

The article gives the method for determining the centroid position and tilting moment of arc furnaces, then gives an example of a furnace with nominal capacity 5t which has been reformed to with actual capacity 19t.

本文介绍了确定电弧炉质心位置及倾动力矩的分部计算方法，并以一台公称容量为5t改造成实际容量为19t的电炉作实例进行计算。

The centroid tracking algorithm is no longer suitable because of the speckle noise in ladar image.

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.

Centroid tracking algorithm is widely used because of its simplicity and quick run speed.

形心跟踪算法因为简单、执行速度快而得到广泛采用.

As long as changes of voltage on the surface of the equivalent electret are measured during and after the absorption of a transient thermal pulse on one electret surface, the total charge and charge centroid in thin electret are obtained directly with this technique.

只要驻极体表面在吸收热脉冲的瞬间以及其后，测量出等效表面电压的变化，便可直接算得驻极体的总电荷量及其电荷重心。

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

采用超声背散射信号的质心偏移量来评价松质骨.

It is researched that how to realize Doppler centroid estimation with ACCC accurately both simulation data and real data. A better result is obtained.

研究了利用平均相位增量法精确估计多普勒中心的仿真实现过程，并利用这种方法对实测数据进行了中心估计和成像，取得了较好的效果。

The algorithm is robust about noise, rotation and so on. And it has strong security and uniqueness. ( 2) Based on the perceptual hashing of the speech ZCR ( zero-crossing rate) and speech centroid, a speech content authentication algorithm is proposed.

算法对旋转、噪声是鲁棒的，同时也具有较强的安全性与唯一性。（2）根据语音过零率及质心特征，设计了一种基于感知哈希的语音内容认证算法。

In this paper, basing on three-axis's stable dynamic equations of moving centroid reentry vehicles, the dynamic inversion controller was designed under three-axis's stable control mode.

在推导三通道稳定再入飞行器动力学方程的基础上，运用动态逆控制理论设计了三通道稳定模式下变质心再入飞行器的控制系统。

Image texture analysis by statistics of centroid patterns

利用质心模式统计进行图像纹理分析

In the fully plastic condition, the neutral axis does not necessarily pass through the centroid.

在全塑状态下, 中性轴不一定需要通过形心.

Dynamic Scene Detection Based on Centroid Characteristic Model for Intelligent Monitor System

智能监控系统中基于质心特征模型的动态场景检测

Two improved Doppler centroid estimation techniques in imaging through Doppler beam sharpening

机载雷达成像中的两种改进多普勒质心估计算法

The principle of unchanged centroid is used for the measuring parallel.

测量仪器所采用的形心不变原理，介绍了测量电路的设计方法。

The magnitudes of the fluctuations for the averaged Na layer abundance, height of peak, centroid height and rms width in the nighttime are 1.2 × 109cm-2, 3 km, 0.3 km and 0.8 km, respectively.

整夜背景Na层平均柱密度、峰值对应的高度、质心高度和rms宽度起伏值分别为1.1×109cm-2,3km，0.3km和0.8km。

A new method for seam tracking using image centroid in gas tungsten arc welding is presented.

研究一种基于图像质心识别的电弧焊焊缝跟踪新方法.

Study on Extraction of PSP by applying the method of modified random centroid optimization program

应用MRCO设计提取螺旋藻多糖的研究

The simulation results show that threshold centroid is the most appropriate method for star locating.

仿真结果表明，带阈值的质心法是一种较为理想的星体细分定位方法。

Principle and Application of Centroid Method of Radar Echo Extrapolation

质心法雷达回波外推的原理及应用

An algorithm was proposed to track moving objects based on centroid and vector in this paper.

提出了一种新的基于区域形心及其矢量方向的视频对象跟踪算法.

Multiple centroid points repel each other to eliminate the sensing overlapping regions and coverage holes.

众多质心点在虚拟力作用下作扩散运动,逐步消除视频传感器网络中感知重叠区和盲区.

Distribution of Hypocenter and Centroid Depths and Its Focal Mechanism Dependence

震源深度与矩心深度的分布特征及其与震源机制类型之间的关系

Model and Simulation of the Effect of Chaff Centroid Jamming for Ship

舰艇质心干扰效果的模型及仿真

The amount of used reagents and the experimental conditions for sampling volume and coil length were optimized by using the controlled and weighed centroid simplex method.

利用单纯形优化法选择了各种试剂的最佳用量以及采样体积、反应管长的最佳实验条件。

The Gauss width of focal spot which is too small results in the sampling error while using CCD as the centroid detecting device of Shack-Hartmann Wavefront Sensor ( SHWS) in Adaptive Optics ( AO) system.

自适应光学系统中采用CCD作为哈特曼波前传感器的光斑质心位置探测器时，由于光斑的高斯宽度较小会带来大采样误差。

An Element Stiffness Matrix of Thin-walled Open Cross Section Bar in the Centroid Coordinates

开口薄壁杆件单元刚度矩阵在形心坐标系下的表达形式

Using the non-supervising cluster algorithm, multiple stars in the star image are fast detected. Moreover, the star centroids are labeled by means of a centroid-threshold algorithm and a weighted squared centroid-threshold algorithm.

利用无监督聚类算法，实现对星图中多颗目标星的检测，并给出带阈值的质心算法和带阈值的加权平方的质心算法。

To the forecast of the storm centroid position, the linear extrapolation and Optical Flow method are adopted.

在对风暴质心运动趋势的预报中，则是使用线形外推与光流法相结合的方法。

The inaccurate Doppler centroid estimation can evidently degrade the quality of SAS image.

不准确的多普勒中心估计会显著降低合成孔径声纳图像质量.

Weighted centroid localization algorithm is simple and no communication is needed while locating.

加权质心定位算法计算简单,定位过程中节点间无通信开销.

Next, the distance between point and its centroid of support area was used as feature strength to determine feature points candidate;

然后求得支持区域的质心，以曲线上的点和其相应的支持区域质心之间的距离作为特征响应筛选出候选特征点；