矩心 meaning in English

center of inertia
center of moment
centre of moment
centroid

Centroid of volume
体积矩心
Two kinds of interpolation algorithms are analyzed and concluded that the centroiding algorithm is better for star spot position estimation . the noise effects on the centroding are analyzed by numeric simulation , educes the noise rms model
利用误差统计理论，采用数值模拟的方法，分析了各种噪声对矩心法质心计算精度的影响，推导整理了噪声误差模型。