查询词典 linear interpolation

By using the normalized difference vegetation index extracted from CBERS-02 data and the leaf area index data obtained from field measurement, this paper analyzed the relationships between the NDVI and the LAI of total samples of meadow, marsh vegetation, shrubs, and islanded forests of the wetland vegetation in Honghe Nature Reserve of Sanjiang Plain. The linear and non-linear regression models between NDVI and LAI of different wetland vegetation types were established, and the spatial distribution of LAI in the Honghe Nature Reserve was mapped.

利用中巴资源卫星CBERS-02影像提取的归一化植被指数和同期野外实测的叶面积指数数据，分析了三江平原洪河自然保护区草甸、沼泽植被、灌丛和岛状林4种湿地植被及样本总体的NDVI与LAI之间的相关关系，建立了NDVI与不同湿地植被类型叶面积指数间的线性和非线性回归模型，并制作完成洪河自然保护区LAI空间分布图。

The error of the elongation is 2.3%, by the multi-dimension linear regression model, the relative error are from ? 5% to ? 15% respectively. Comparing the results, it can be found that the neural network overmatches the multi-dimension linear regression. So that, the model can be used in the production of the marine propeller aluminum bronze.

计算结果表明，三项输出的预测值与实测数据接近，抗拉强度和屈服强度的相对误差在±1％的范围以内，延伸率的最大绝对误差为2.3％，明显优于多元线性回归模型±5％—±15％的误差，能较好地满足工程应用的要求，对高强度船用螺旋桨铝青铜的生产具有一定的指导意义。

The outstanding characteristic of PLS is that it can make the multiple linear regression analysis, the principal components analysis and the canonical correlation analysis combined. In the same arithmetic, it can implement modeling, predigesting the data structure and analyzing of the correlation between two gropes of variables at the same time. It brings huge advantage to the multiple linear regression analysis.

PLS的一个突出特点是将多元线性回归分析、变量的主成分分析和变量间的典型相关分析有机地结合起来，在一个算法下，同时实现了回归建模、数据结构简化和两组变量间的相关分析，给多元数据分析带来极大的便利。

Facing the problem existing in linear programming model,this paper analyses the characters of calculation in feed proportioning and puts forward a multi-objective linear programming model for feed proportioning.

针对当前使用线性规划模型中存在的问题，分析了饲料配方计算问题的特征，并提出饲料配方的多目标线性规划模型。

Various psychometric characteristics, time constraints, as well as qualities of estimation among prorating and linear equating procedures, were compared among 54 tetrads. Our results supported the use of the linear equating procedure.

以各种心理计量特质、时间限制、以及比例与线性方程式的质性估计程序来比较54组测验组型，结果支持使用线性方程式的程序。

The theories of ship steering are recapitulated and the linear differential equations are deduced. The Nomoto one/two order of linear models and Norrbin/Bech nonlinear models are discussed.

概述了船舶操纵理论，推导了船舶操纵运动线性微分方程，讨论了Nomoto一阶／二阶线性模型及Norrbin／Bech的非线性模型。

Firstly, the nonlinear model is applied in this study. Secondly, the linear modeling process is recapped by highlighting the likely uncertainties which influence the implementation of model-based approaches. Finally, the linear robust observer is designed in the presence of unknown inputs, such as model errors, parameters fluctuation, force disturbance, process noise, measurement noise.

在考虑建模误差、参数变化、外力干扰、过程噪声以及测量噪声等影响因素的前提下，将系统非线性模型进行线性化，并据此设计系统的线性鲁棒观测器。

The linear dispersion relation of the enhanced equations is the Pad\'{e} [4,4] expansion of the linear Stokes dispersion relation, the accuracy of which is acceptable even when the relative water depth is as large as 1.0. Its nonlinear property and shoaling gradient are also improved.

改进后方程的线性色散关系达到了一阶Stokes波色散关系的Pad\'{e}[4，4]近似，在相对水深达1.0的强色散波浪时仍保持较高的准确性，并且方程的非线性和线性变浅率都得到了不同程度的改善。

This paper presents a method to recognize linear objects that synthesizes the edge and the skeleton of linear object.

本文提出了一种综合利用边缘和骨架线这两个特征时线状目标进行识别的方法。

By altering the carbon chain length,substitutional group on carbon chain,monoamine cations or biamine cations,metal cation and halide anion,we could adjust the interlayer distance,linear alkyl amines conformation and the interaction between linear alkyl amines and metal halide octahedra.

通过改变直链烷基胺的碳链长度、取代基、单双胺以及无机层的金属离子、卤素离子，可以调控无机层的层间距、烷基链段的排列以及烷基链与无机层的作用力等。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。