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- approximation by least squares 最小二乘方近似法
- The misalignment angles and the gyro bias drift are estimated by least squares methods.the simulation results show the validity of the method. 通过最小二乘法估计初始失准角与陀螺常值漂移,从而运用姿态误差角方程推算出相应时刻的失准角。仿真结果表明该方法切实有效。
- Then inversion of the advanced detection is caried out by least square method. 然后采用最小二乘法对超前探测视电阻率曲线进行快速反演。
- And to improve the coding efficiency, an atom modulus which is piecewise approximated by the least squares line is proposed. 为降低原子投影系数的冗余度和减小其编码量，对图像稀疏分解投影的系数采用分段式拟合。
- One way to construct this line is by least square, weighting all points equally. 办法之一是给予所有的点子以相等的权用最小二乘方法来画这条线。
- Turning wafers and making the melatope form the round track,plenty of measuring points are fit to gain the radius of the circle and the coordinate of the circle center by least squares method. 转动晶片使光轴的出露点形成圆形轨迹,通过最小二乘法对多个测试点拟合得到圆半径和圆心坐标。
- A dynamic compensating method for transducers is presented based on functional link artificial neural networks (FLANN) inverse system constructed by least squares support vector machine (LS-SVM). 提出一种用最小二乘支持向量机(LS-SVM)构造函数链接型神经网络(FLANN)逆系统的传感器动态补偿新方法。
- The real-time system identification is realized by Recursive Least Square (RLS) method, while control by Least Mean Square (LMS) algorithm. 采用RLS算法处理在线辨识问题，而采用LMS算法进行控制律的更新。
- The method requires using the GPS position and velocity, INS, and pitot tube so as to precisely estimate the aerodynamic coefficients by Least Square Method. 方法为采用GPS提供速度与位置，惯性感测元件提供加速度、角速度与姿态，最后以最小平方法估算各项参数值。
- Then the measured data were evaluated by least square method and least envelope zone method based on search approximatioss(namely cut and try method in revolutionally). 介绍了直线度误差评定的最小二乘法和最小包容区域法的算法模型与实现方法。
- He has changed year by year and little by little. 他随时间逐渐改变。
- After iterating several times, the control points were fitted as ellipse by least square method, which was sampled to be new initial boundary of the improved GVF model. 控点每迭代一定次数后，利用最小二乘原理，估算出椭圆准确位置，对椭圆边界采样作为新的初始轮廓，重新进行迭代，形成有约束形变。
- The relationship between the cost and the footage at the horizontal interval length is matched by least square method from collecting the field data.The optimum horiz... 应用投资回收期、净现值、净现值指数等经济评价指标对某水平井进行了计算分析,确定了该水平井的最优水平段长度。
- Little by little he revealed his ambitions. 他渐渐地暴露出他的野心。
- The lines shown in these figures were fitted by the method of least squares. 这些图中的相关线是通过最小二乘法得到的。
- Her health is improving little by little. 她的健康状况正在逐渐好转。
- In this method, subtractive clustering was adopted to divide the input space into several sub-spaces, and sub-models were built by Least Square SVM (LS SVM) in every sub-space. 该建模方法通过减聚类方法将输入空间划分为一些小的局部空间，在每个局部空间中用最小二乘支持向量机(LS-SVM)建立子模型。
- Little by little the snow disappeared. 雪渐渐消失。
- Least squares in linear models II. 线性模型中的最小二乘法2。
- His English is improving little by little. 他的英语渐有提高。
