查询词典 regressive

In this paper the spline regressive analysis is used for the information processing of multi-gases sensor signals with the electronic nose system. The authors have established a spline regressive model of the freshness degree of beef based on the beef sample, and have done regressive analysis to the model, which has given the forecast value and the estimative interval of the degree of the freshness of the beef.

将样条回归分析方法用於电子鼻系统中多气体感测器信号的资讯处理，针对牛肉样本建立了牛肉新鲜度样条回归模型，并对该模型进行了回归分析给出了牛肉新鲜预报值和估计区间。

Every leaf node of Microsoft regressive tree has a linear regressive formula and there is at least one regressor in a regressive model.

经典的线性回归公式是：使用B超次数=a+b*疾病例数+e，其中：e代表噪声，其平均值为0，系数a和b由残差方程决定。

In order to examine the precision of estimated auto-regressive coefficients, the covariance expression of the estimated auto-regressive coefficients is established using central limit theorem.

为考察AR系数估计的精度，利用中心极限定理建立了估计的自回归系数矩阵协方差的表达式。

In order to examine the precision of estimated auto-regressive coefficients,the covariance exprcssion of the estimated auto-regressive coefficients is established using central limit theorem.

为考察AR系数估计的精度，利用中心极限定理建立了估计的自回归系数矩阵协方差的表达式。

Objective:Since some limitaions of SRK Ⅱ formula,the dual cubic curved regressive formula was designed. methods:By means of computer,statistical analysis and regressive treatment of kerato diopter,axial length and emmetropic IOL diopter of 415 pseudophakia was done.

针对目前临床上常用的SRKⅡ公式在计算人工晶体屈光度时的局限性，对415只后房型人工晶体眼的角膜屈光力、眼轴长度和正视化人工晶体屈光度进行回归分析后，设计出一种不同于传统的线性回归公式的曲线回归公式——二元三次计算公式。

The results demonstrate that: ARMA(1,1) model,auto-regressive model with GDP as exogenous variable,auto-regressive model with policy as exogenous dummy variable,and logarithm linearity and removal average model are all valid models for forecasting tax revenue.

结果表明：ARMA(1，1)模型中，以GDP为外生变量的自回归模型、以政策因素为虚拟外生变量的自回归模型以及对数线性移动平均模型都是预测税收收入的有效模型，但以GDP为外生变量的自回归模型在预测2005年税收收入时，预测值与实际值的预测偏差仅有1。

The first one focuses upon the fundamental theory and methods of system identification, including the basic concepts of system description and identification,review of matrix theory, stochastic process and pulse response of linear systems; the first principle models for lumped and distributed parameter systems; modeling of bioreactions; auto regressive moving average model; weighted least square and regressive weighted least square for parameter estimation of ARMA model; Runge-Kutta and Simplex methods; an example of BPNN application; as well as Kalman Filter.

第一部分包括知识驱动建模、数据驱动建模、参数估计和状态估计的基础理论和方法。具体为：(1)系统辨识和系统描述的基本概念，包括矩阵论、随机过程、线性系统的脉冲响应函数等基础知识回顾；(2)基于动态物料和能量衡算的集总参数、分布参数对象的知识驱动建模方法；(3)生物反应系统的建模方法；(4)自回归移动平均模型；(5) ARMAX模型参数的加权最小二乘参数估计一次性算法和递推算法，相应的统计性质；(6)龙格库塔法和单纯形法；BP神经网络应用实例；(7)卡尔曼滤波器，及其与加权最小二乘参数估计递推算法的对比。

Anaerobic synecology of the hydrogen-producing fermentation system was investigated under certain test condition in this thesis. In the continuous flow system of anaerobic hydrogen-producing fermentation, the succession of hydrogen-producing acidogenic microbiology may be regressive process. By regressive process we means that the original community getting from nature which structure being complex with a high ability would degenerate gently to a certain climax community which structure being simple with less ability.

产氢发酵系统的微生物群落生态学研究证明，在连续流发酵产氢反应系统中产氢产酸发酵细菌群落的演替过程，是在人为控制的生境条件下，微生物从自然群落这种稳定性大、组成及生化反应过程复杂的生态群落，向稳定性小、组成和生化反应过程相对简单的某一产酸发酵顶极群落进行的"逆行演替"。

The mPAP correlated nagatively to RVEF (r=-0 .6097, P＜0.001). For this reason, the measurement of RVEF by radionuclide ventriculography was regarded as reliable . Through stepwise regressive analysis we got the multiple linear regressive equation as follows

本文结果显示mPAP与RVEF呈显著负相关(r＝-0.6097，P＜0.001)，说明核素技术检查COPD、肺心病人的EF值是可靠的。mPAP与RVEF、SaO〓、PAD等多项无创检查参数相关，并通过逐步回归分析得到下面的最优多元回归方程

By regressive analyses of yield spread to interest rate and credit rank, building the stepwise linear regressive monitoring model of compound factors. With influence of product deadline, market risk and credit condition, yield spread shows non-linear changes. The main reason is the influence of credit condition and product deadline and market interest rate.

通过收益利差对产品期限、市场利率和信用等级等进行逐步线性回归，建立了OTC金融衍生品复合因子的监控模型；受产品期限、市场利率和信用状况的影响，收益利差呈非线性变化，主要原因是信用状况与产品期限、市场利率三者存在相互影响。

He got into race cars, while my father liked go-karts more, so I didn't really pay attention to what Diego was doing, as I was just racing karts.

叔叔开的是跑车，而我父亲更喜欢越野卡丁车，所以我并不太关注Diego在做什么，我仅仅在跑我的卡丁车而已。

She is at present gone to look for the best nectar and ambrosia to regale me this evening.

她今晚为款待我，现在又去准备美酒佳肴去了。