系统采用质心法，实现了激光光斑中心精确定位。
Using center of gravity method, the system make the precise orientation of laser spot come true.
采用基于灰度质心法的径向截面扫描法对图像边缘进行亚像素级检测；
Applying the radial section scanning method based on gray centroid, the image edges are tested with a sub-pixel precision.
文中研究了基于RSSI的圆周法、最小二乘法、质心法等常用算法。
This article research the different algorithms such as circle method, least squares, centroid, based on RSSI.
微观内应力测量采用了线形近似函数法，宏观内应力测量采用了线形质心法。
The line-shaped approximate function technique is used for macro-stress measurement, whereas the line-shaped mass core technique for micro-stress measurement.
质心法是星点质心亚像元定位的传统方法，然而，它存在系统误差和随机误差。
The centroid algorithm is the traditional method for subpixel location, but it is shown that exist a systematic error and a random one.
开发设计了三种适用于光波导自动对接耦合的调芯方案：半值法、质心法、遗传法。
Three auto-aligning methods are designed, which are called the half value method, the barycenter one and the one based on genetic algorithm (GA), respectively.
实验结果表明，利用质心法测定的蛋白分子量比最大灰度法测定的更接近于标准分子量。
The experimental results show the centroid method has an advantage over the maximum gray level method.
以平均值平滑滤波法和质心法实现了对信标光斑定位，利用卡尔曼预测算法实现了具有自适应能力的递归跟踪算法。
Using smoothing filter and average-force algorithm to position beacon's facula, then use kalman prediction algorithm with the adaptive capacity to achieve the recursive tracking algorithm.
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。
Finally experiments indicate that squared cancroid method is better, which is simple and easy implemented and improves the locating precision and the Noise resisting ability.
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。
Finally experiments indicate that squared cancroid method is better, which is simple and easy implemented and improves the locating precision and the Noise resisting ability.
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