误差曲线

On the basis of measured data processing,error analysis,curve modeling and object modeling,it establishes the mathematical modeling of the screw parts of single screw compressors.

在测量数据处理、误差分析和曲线曲面造型、实体造型技术的基础上，建立了单螺杆空气压缩机螺杆零件的数学模型。

The result of profile, longitudinal and pitch error, and data and curve graphics will be gained after software deals with the measured data.

测得的结果数据经过计算机软件后续处理，得到齿形、齿向和齿距误差的结果数据及曲线图形。

The secant modulus is used to calculate final settlement of high-stacked soil, compared with the result of e ~ p curve, the error is in the limit of tolerance.

同时将割线模量计算沉降的方法应用到高填方自身作用下的最终沉降计算中，通过与应用e～p曲线计算的结果进行比较，其误差在允许范围之内。

The application effects on these methods are affected because of truncation error.

从Taner的反射波时距曲线方程入手，提出了具有截断误差校正的广角NMO校正方法。

In this paper, this constraint is discussed. For the space curve with length constraint and the surface of revolution area constraint, algorithms and estimation of the error are given.

本文就此进行了讨论，对有弧长约束的空间曲线及有面积约束的旋转曲面问题，分别给出了相应的算法及误差估计。

Experiment data ; curve fitted ; test error ; uncertainty

测试数据；曲线拟合；试验误差；不确定度

Based on the platform of virtual instrument LabVIEW,this paper is to detect peaks of original signal respectively with power-weighted algorithm, Gaussian fitting algorithm, Gauss- polynomial fitting algorithm, a general polynomial fitting algorithm and Gaussian non-linear curve fitting algorithm, and compare their error means and standard deviations.

基于LabVIEW虚拟仪器开发平台，分析了功率加权算法、高斯拟合算法、高斯-多项式拟合算法、一般多项式拟合算法和高斯-非线性曲线拟合算法对原始信号寻峰，比较误差均值和标准偏差。

The second chapter mainly compares the superiority between ridge estimate and James-Stein estimate under the generalized mean squared errors criterion, and gives a improvement method about ridge estimate under growth curve model, and gives a comparison with ridge estimate.

论文第二章，在广义均方误差准则下比较了James -Stein估计和岭估计的优良性，又提出了生长曲线模型中参数岭估计的一种改进方法，并将提出的新估计与已有的岭估计作了比较。

Rotation accuracy ; first harmonic component ; eccentric motion ; curve fitting.

回转精度；一次误差运动；偏心运动；曲线拟合

For the ill conditioned load flow caused by the error produced in the transformation from electricity quantities to average power, direct current load flow and sensitivity vector are presented to find out the ill node, then by adjusting the load curve and generation curve in a certain principle, which is shown in detail with several flow charts, a new operation mode is reestablished to ensure the convergence of the calculation. Optimal multiplier method is proposed to work out the least square solution according to ill conditioned structural power network. The electricity quantities flow method enhances the reliability and accuracy of the calculation of the power transmission losses.

该方法可根据当前输电网中各个变电站24小时的电量记录，利用电量潮流计算对输电网总线损和各条线路损耗进行计算，使计算的精度满足降损措施分析和指标考核的要求；并且对于由负荷出力曲线转化成平均功率计算潮流时引入的误差，进而导致潮流计算不收敛的情况，采用直流潮流法，依据相角对有功功率的灵敏度向量判断出"网络异常点"，并且给出了解决此种情况的方法流程图；针对结构病态的电力系统潮流计算不收敛的情况，运用非线性约束优化方法中的最优乘子法求解潮流方程的最小二乘解，从而解决了电量潮流法计算理论线损时的收敛性问题，增强了该方法的适用性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。