查询词典 least squares

To register two partially-overlapping mesh surfaces, the least median of squares estimator is adopted to estimate the rigid body transformation, which is composed of two parts of"generation of hypothesis"and "verification of hypothesis".

为配准两个局部重叠的网格面，采用最小平方中值估算器来计算刚体变换，它由"假设的产生"和"假设的验证"等两个部分组成。

So, considering the character of deformation, a novel algorithm called LZD using differential model is proposed associated with least trimmed squares estimator, which is a robust estimator with high break-down point. It enhances the deformation detecting ability and matching accuracy when large deformed area exists in matched DEM.

因此，顾及地表变形的特点，结合高崩溃污染率的截尾最小二乘估计，提出基于差分模型的差异探测算法，进一步提高了在大面积变形情况下的DEM表面差异探测能力和匹配精度。

An approach based on least median squares to a stereo-based visual odometry system is presented.

提出了一种基于最小平方中值定理的立体视觉里程计方法。

This method is applied in gasoline Low-Resolution Raman spectra data preproc he max positive/negative error and root mean squares error of cross validation of the partial least square model based on spectra after preprocessing is used to build are selected as criterion.

将其应用于汽油低分辨率拉曼光谱的预处理，并采用预处理后光谱建立的偏最小二乘模型预测值的最大正负误差和交叉检验的均方误差作为指标。

Moreover,the residual sum of squares in least-square principle is introduced into the fitness function to enhance the fitting precision of the sensor p...

实验结果表明，该方案应用于土壤信息采集系统，不仅可以达到比粒子群优化(Particle swarm optimization，简称PSO)算法和量子粒子群优化(Quantum-behaved particle swarm optimization，简称QPSO)算法更好的寻优结果，而且具有比遗传算法更理想的位置拟合精度，是一种有效可行的传感器配置方法。

A two-layer framework with particle swarms cooperative optimization and a mutation parameter is introduced by the QPSCO algorithm for larger searching scale and quicker convergence. Moreover I the residual sum of squares in least-square principle is introduced into the fitness function to enhance the fitting precision of the sensor position curve.

在QPSCO算法中，采用双层的多粒子群协同优化结构，同时引入参数变异策略，在扩大搜索范围的同时加快该算法收敛；将加权最小二乘法的误差平方和引入适应度函数中，以提高传感器位置曲线的拟合精度，从而实现传感器的优化配置。

The sum of the squares of the deviation of all points from the best line is the least it can be.

各点与最佳线偏离的平方之和，是所能获得的最小值。

In the following figures , shade the least number of squares to construct figures with reflectional symmetry .

在以下各图中，把作出反射对称图所需最少数目的正方形涂上阴影，并绘画各对称轴。

The history of drinking urine for therapeutic purposes dates back at least to the Holy Roman Empire when great urinal troths were erected in the public squares of each city-state for residents to both contribute to, and benefit from.

以治疗为目的的喝尿历史日期至少要追溯到神圣罗马帝国，当伟大的尿池誓言，在每个城帮的公共广场建立，对居民做出贡献并从中受益。（尿池，写有公共城市尿池，

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。