stepwise regression method造句
例句与造句
- Based on the capacitance distributions from 12 - electrod capacitance sensor , using stepwise regression method , the capacitance relation of oil - gas two phase flow based on flow pattern is developed
摘要基于12电极阵列电容传感器提供的电容测量信息，采用逐步回归方法，获得了与流型相关的电容关联式。 - In this paper , the design of flexure hinge is studied by advanced computer aided engineering software ( cad / cae ) , and the mathematical model of flexure hinge is conducted by orthogonal experimental scheme and stepwise regression method
本文通过先进的计算机辅助工程软件( cad cae )探讨了柔性铰链参数的设计，从统计学原理运用正交试验表和回归理论导出了柔性铰链设计参数的数学模型。 - " thirdly , the seepage monitoring data of dongzhang dam are analyzed with stepwise regression method ; the origin of some abnormal uplift pressure drill holes is studied . the factors affecting seepage are revealed and several disadvantages will be controlled
3 、应用逐步回归分析的统计方法对东张水库大坝渗流观测资料进行分析，研究了部分扬压力测孔异常情况的起因，揭示大坝渗流的变化规律，为控制不利因素实现大坝的安全运行提供有益的依据。 - Functions of the correlative analysis , multiple linear regression method and stepwise regression method in identifying environment - affecting factors were compared . with baiyin city of gansu province as an example for analysis , the three methods were used to identify environment - affecting factors of heavy metal pollution of the soil - crop system in the suburbs of the city . based on results of the experiment , indexes were proposed for selecting plans for remedying contaminated soils in the region under research
我国北部中小城市采暖锅炉的使用比较普遍,锅炉烟尘监测仍然是一项主要的大气污染源监测之一.该项监测必须具备一定的专业技术知识和实践经验,初学者不易全面掌握.结合多年的监测实践经验,阐述监测采样中的一些问题和对异常情况的分析 - Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ) , the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt . then the optimization model of polymerization reaction was presented , which was solved by using simulation annealing algorithm to obtain the best techniques parameters . the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network , brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line
提出了流程工业生产过程操作优化策略和应用实施方法，包括生产过程离线优化策略、非线性问题求解策略、在线优化模型及学习策略；结合扬州有机化工厂计算机集成制造系统集散控制系统( yh - cims dcs )的实施，针对锦纶? 6浸胶南京理工大学博士学位论文摘要帘于布生产中己内酚胺聚合反应过程优化控制这一工程实际问题，采用统计建模方法，建立了聚合反应过程的优化模型；为求解所得的优化模型，提出了种改进的有约束条件下的模拟退火算法，该算法能避免陷于局部最优解，有效地提高了所求解的全局性和可靠性：提出了基于改进的ga算法和sp算法相结合的混合学习算法，建立了基于神经网络的聚合反应过程生产目标在线预测模型，该算法和模型满足了生产中的实时性和实用性要求。 - It's difficult to find stepwise regression method in a sentence. 用stepwise regression method造句挺难的
- Beginning with the problem of interlaced region between farming and herding , the boundary line of the interlaced region is calculated based on grid with 10km grid ; then the relation among land use of the region , soil erosion and erosion region is analyzed ; based on factor classification , no useful factors were neglected and stepwise regression method was used to analysis the drive of land use change ; fractal method was applied to analysis the degradation of land - use and relation among land use , soil erosion and wind - water erosion zone ; environmental variances are introduced to establish characteristic index of land use change and analysis the effect of land use change on soil erosion
从农牧交错带的实质问题入手，基于10公里网格，计算农牧交错带的界限；在此基础上分析农牧交错带的土地利用、土壤侵蚀及与风水侵蚀带的关系；在因子分层的基础上，剔除不需要因素，采用逐步回归的方法，进行土地利用变化驱动力分析；运用分形方法分析土地利用的退化，并分析土地利用与土壤侵蚀的关系，引入环境变量，建立土地利用变化特征指数，分析土地利用变化对土壤侵蚀的影响。 - ( 6 ) the reservoir operation function is established utilizing the optimal dispatching results . the state variable and decision variable of the operation function is discussed , and the stepwise regression method is used to derive the operation function . because of the nonlinear features of the function have n ' t been reflected in traditional regression methods , the back - propagation neural network model is introduced to establish the operation function
( 6 )利用水库优化调度结果建立水库调度函数，在分析水库调度函数各特征量的基础上，介绍了用逐步回归方法建立水库调度函数的具体过程，考虑到传统回归方法未能反映调度函数的非线性特性，引入bp神经网络模型求解模型，建立水库调度函数。 - Functions of the correlative analysis , multiple linear regression method and stepwise regression method in identifying environment - affecting factors were compared . with baiyin city of gansu province as an example for analysis , the three methods were used to identify environment - affecting factors of heavy metal pollution of the soil - crop system in the suburbs of the city . based on results of the experiment , indexes were proposed for selecting plans for remedying contaminated soils in the region under research
随着我国汽车保有量的不断提高,汽车排放污染物对大气环境的影响已经引起人们的广泛重视,并采用各种各样的方法进行治理,国家有关部门也为此制订了相关的标准和法规.本文简单介绍汽车排放污染物及其检测方面的基本知识 - Subjects were measured by rimer ' s questionnaires for teachers , life event questionnaires for primary school students and embu etc . stepwise regression method was used to analyse demographic , psychological and social factors which may have effect on childhood behavior disorder . also the multiple logistic regression analysis was used to identify significant risk factors for suicide ideation of children . results : the prevalence rates of children with devient scores on the teacher ' s scales of rutter questionnaires were 16 . 3 %
采用rutter儿童行为问卷(教师问卷) 、父母养育方式评价量表( embu ) 、小学生生活事件问卷等多种工具综合测量小学生的社会心理状况，并用多元逐步回归分析方法对影响小学生行为问题的社会人口学、心理社会因素进行探讨，同时对小学生自杀意念进行研究分析，通过多因素条件logistic回归模型，筛选出自杀意念的主要危险因素，以期为提高小学生的心理健康水平服务，为素质教育提供科学依据。 - Functions of the correlative analysis , multiple linear regression method and stepwise regression method in identifying environment - affecting factors were compared . with baiyin city of gansu province as an example for analysis , the three methods were used to identify environment - affecting factors of heavy metal pollution of the soil - crop system in the suburbs of the city . based on results of the experiment , indexes were proposed for selecting plans for remedying contaminated soils in the region under research
通过对安徽省辖淮河流域7月份汛期的水质监测结果进行主要污染物浓度及流量之间的变化趋势初步分析,结果表明,汛期淮河流域整体水质状况有所改善;干流污染物浓度与流量存在相关.汛早期受面源污染影响较为明显,中、后期受点源污染为主;支流污染物浓度与流量之间相关不显著,主要受点源排污影响 - The static and dynamic characteristic models of stage are built by ansys , which analyses the displacement , stress , natural frequency and vibration model of stage . furthermore , the influence of primary structural parameters on static and dynamic characteristic is analyzed by orthogonal experimental scheme comprehensively and the numerical results from experiment are regressed by stepwise regression method , thus the optimization regression equation is obtained . meanwhile , the neural network model is built and validates the regression model
应用ansys软件建立了工作台静、动态特性的分析模型，并分析了工作台的位移、应力以及振动的固有频率和振型，而且还应用正交试验表安排参数全面分析了结构参数对微位移工作台的静、动态特性的影响，并用逐步回归分析方法对数值计算结果进行回归，获得了微动工作台的最优回归方程，同时建立了人工神经网络模型并对回归模型进行了验证。 - ( ii ) this paper makes the annals data of the listed companies in 2004 as sample , and gets earnings per share and the regression equation of the four financial indexes which have noticeable effect on it via stepwise regression method . the four financial indexes which affect earnings per share are the net asset per share , unaccommodated profit per share , quick ratio and return on assets respectively . the equation provides a
(二) 、以河南省上市公司2004年年报数据作为样本,应用逐步回归方法,得到每股收益和对它有显著影响的四个财务指标的回归方程,影响每股收益的四个财务指标分别是:每股净资产、每股未分配利润、速动比率和总资产报酬率,为这些上市公司提高每股收益提供参考。