多项式模型

Based on the thorough study of sources and characteristics of the three errors in laser collimation technology, an error correction method by integrating multi-point detection, multi-variant polynomial step-by-step regression analysis and adaptive noise-elimination is proposed. The influences of beam drift, bending and whipping are taken into consideration to enhance the stability of plumb datum line.

在深入分析激光准直技术中三项主要误差因素来源及其特性的基础上，提出了利用多点监测、多元多项式逐步回归分析法与自适应除噪技术相结合的综合修正方案，建立铅垂基准线的修正模型，综合考虑了激光漂移、光线弯曲以及随机抖动等因素的影响，从而有效提高了铅垂基准线的稳定度。

The second, according to mapping function of blank and product sections, and to many interpolating functions along model-cavity vertical surface, paper has built mathematics model, fluid surface function of special-shaped product plastic deformation and velocity field, gotten basis theory for metal forming prediction, for example empty drawing metal pipe thickness homogeneity and special-shaped product fluid regular, die parameter optimization and integration research of die CAD/CAM.

根据拔制坯料和制品截面映射函数和模腔纵向多种插值函数（直线型、凸型、凹型和三次多项式型），建立了相似异型材、圆形坯料——异型材和异型材——异型材三维金属拔制塑性成形的数学模型和异型材塑性成形的流面方程及流动场方程，为预报金属成形规律（如：空拔管壁均化、异型材流动规律），模腔参数优化及其CAD／CAM一体化研究提供了理论基础。

A Landsat 7 ETM(superscript +) image of Nanjing was used to derive normalized difference vegetation index after atmospheric correction. Regressed NDVI with VFC from ground measurement, linear, quadratic, cubic, and quartic polynomial models were established.

文章选用南京市一幅Landsat7ETM图像，经大气校正后提取了归一化植被指数，与地面实测的植被覆盖度进行回归分析，建立了1~4次多项式关系模型。

And a retiming scheme based on the above method is also presented to optimize the timing behavior of sequential circuits. Also from waveform polynomials of sequential circuits, a precise clocking method based on multiple-period sensitization is presented.

为了适应超深亚微米电路测试的要求，本文建立了一种新的基于布尔过程论的逻辑级噪声预测模型，用波形多项式描述的同时发生的跳变数来预测噪声大小，并生成能产生最大跳变数目的输入波形；然后同基于波形敏化的长敏化通路选择法相结合，形成一种能产生最大噪声效应的敏化测试波形生成新方法。

Because protein synthesis costs energy while protein canalso be used as a source of available energy,there is an interaction during growthbetween the utilization of dietary protein-free energy and protein.

在自由采食量的预测方面，提出了用累计采食能量对时间进行多项式拟合的方法。该方法可以避免预测自由采食量时的系统偏差，并可应用到对模型的调试和验证中去。

Basic spark advance angle were predicted successfully from applying polynomial regression models.

采用多项式回归模型对标定结果进行分析，预测获得了点火提前角基本MAP。

Three typical micro-mechanical models for the elastic constants analysis of stitched composites are compared by calculating,wihch are in-plane fiber bend model,sine waviness model and polynomially described fiber waviness model.

通过计算对比了铺层纤维面内弯折、正弦波状弯曲、多项式描述纤维弯曲三个典型的缝合复合材料弹性常数的细观力学分析模型。

Solveing to some extent problem to define hidden layer node number of feed forward networks,and makeing successfully it to apply to solve weierstrass theorem of that is polynomial approach continuous function;and establishing dynamic mathematical neural networks of Romberg integration.

从而在一定程度上解决了前向神经网络隐层结点数无法确定的难题，并成功地将其运用于解决用多项式逼近连续函数的魏尔斯特拉斯定理，并建立了龙贝格求定积分的动态数学神经网络模型。

In this paper, we discuss some recurrence relations and congruence properties of Bell polynomial, and give a class of recurrence relations satisfied by GSN pairs. Furthermore, we givethe definition of extended GSN pairs Gand G, so we unify the binomial coefficients, Gaussian coefficients, and Stirling numbers. We provide urn ,models for G(n,k|w,0) andG(n,k|0,w).

在这篇论文中，我们讨论了Bell多项式中的递归关系和同余问题，给出了广义Stirling数对的一类递归关系式，提出了扩展的GSN对G和G的概念，统一了二项式系数、高斯系数和Stirling数，并利用模型对G和G进行了组合解释。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。