拟线性的

Results: The imprecision of six diluent concentrations in duplicate was 2.68%, the best fit model was the cubic equation. The deviaton from linearity of the first concentration was 42.3%, exceeding the 5% clinical allowable error. DLs of the other concentratons were within limit.

结果：六个稀释浓度样本重复测定的不精密度为2.68%，三次多项式为最适拟合模型，第一个稀释浓度的非线性程度达到42.3%，超过5%的允许范围，为临床不可接受，其它五个稀释浓度的线性偏离均在允许范围内。

A new algorithm for linear array position calibration is presented. In the case of source direction-of-arrival is uncertain, by using the least square algorithm, the source DoA is estimated based on the unwrap phase of the steering vector.

针对独立校准信源波达角未知情况下的阵列位置误差校正问题，提出了一种对信号导向矢量的绝对相位进行最小二乘线性拟合，进而估计出阵元位置误差的算法。

Equilibrium constant of salts for (liquid +solid) equilibrium at 288 K were evaluated with Pitzer"s model. The solubilities of quaternary and quinary system were calculated by Pitzer "s equations. The prediction results were in agreement with the experimental results essentially.

用288K时二元及三元体系的溶解度数据，运用多元线性回归的方法拟合了PitZer方程中288K时该五元体系所涉及各盐的单盐参数及混合参数；计算出了各盐288K时溶解平衡常数，运用PitZer方程对四元及五元稳定体系相平衡进行了理论模拟，计算结果基本令人满意。

Choosing modified corn starch of self-preparation as standard sample,its viscosity and translucent rate were checked and the data is linear fitted.

选用自制的变性淀粉作为样本，检测样本浆液的透光率与粘度，将所得到的数据进行线性拟合。

This paper addresses the relationship between multispectral satellite information and probed relative humidity in each of standard isobaric surfaces using correlation analysis, least-square fitting and multivariate linear regression separately.

多光谱卫星图像上不同云类的云层高低分布蕴涵着三维湿度场的分布信息，文中用相关分析、最小二乘拟合分析和多元线性回归分析分别讨论了多光谱卫星信息与各标准层相对湿度的关系。

The numerical calculation commonly used for the Delphi process more than 100, including solutions of linear algebraic equations, interpolation, numerical integration, special, function approximation, eigenvalue problems, data fitting equation Root and solve nonlinear equations, functions and the extreme optimization, statistical data description, Fourier transform spectra, solution of ordinary differential equations reconciliation partial differential equations.

本书共有数值计算中常用的Delphi子过程100多个，内容包括解线性代数方程组、插值、数值积分、特殊函数、函数逼近、特征值问题、数据拟合、方程求根和非线性方程组求解、函数的极值和最优化、数据的统计描述、傅里叶变换谱方法、解常微分方程组和解偏微分方程组。

For most matrix of A,the linear diffrentiable equations with quasi-periodic finitely differentiable coefficients are reducible.

证明了对大多数的矩阵A，一类系数为有限次可微的拟周期线性常微分方程组是可约的。

When the glancing—tilt method is used, the linearity of 2θ—sin〓Ψ can be remarkedly improved.

X射线应力测定的sin〓Ψ法在测定PCVD TiN的残余应力时，2θ—sin〓Ψ发生严重弯曲，如果沿用线性拟合求斜率的方法计算残余应力，误差必然很大。

The results show that the difference between upper magnitude threshold Mt used in the calculation and the maximum magnitude extrapolated from the linear relation of log N-M has an influence on the distribution of Y.

结果表明，计算样本的震级上限Mt 相对于logN-M关系中拟合线性外推最大震级MT的变化对Y的异常分布有一定影响，其影响随地震样本量从小到大而明显减小。

Secondly, the stationary responses of non-linear systems with unilateral constraints are studied by using the quasi-conservative averaging method.

基于非光滑线性系统研究的基础上，借助一种非光滑变换，引进狄拉克函数，把随机单边约束非线性系统转化为光滑随机非线性系统，进而运用拟保守平均方法得到转换的光滑随机系统的平稳响应。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。