与趋势面方法相比，具有明显优势。
Compared with trend surface analysis method, it has obvious advantages.
结果三阶趋势面拟合优度为最佳。
所以趋势面方程不宜作为精确计算的工具。
Therefore, the equations of trend surface are not suitable for the tool of calculation.
结果获得三维自回归趋势面模型及其建模方法。
Results the tri dimensional auto regression trend surface model and the method to build this model were obtained.
本文提出将趋势面与多面函数结合拟合DEM数据。
A combining fitting with trend surface fitting and multidimensional curve fitting is proposed.
目的应用趋势面模型分析传染性疾病的地理分布趋势。
Objective To explore the application of the trend-surface model on geographical distribution of contagious diseases.
数学模型误差——主要由趋势面方程的逼近特性所引起。
The error of mathematical model is mostly resulted from near properties of the equations of trend surface.
均质区域可用泰森三角形、趋势面、聚类分析等方法进行区划；
Regions consist of equal region and nub region and equal region can be divided with the methods of Taisen triangle, trend surface, clustering and so on;
还给出了单个矿化富集中心趋势面分析的数学模型和矿床空间分布模型。
It associates quantitatively the mathematical model of enriched mineralization centre with ore-controlling geological factors.
方法：应用趋势面模型探讨重庆市各区县育龄妇女不孕率的空间分布趋势。
Methods:The geographical distribution of infertilities of different regions in Chongqing city was investigated based on the methods of the trend-surface analysis.
目的探讨三维自回归趋势面模型技术在疾病时空动态分析预测中的应用价值。
Objective to explore applicability of tri dimensional auto regression trend surface model in studying the space time dynamic of disease.
目的探讨趋势面分析法和残差分析法在研究死亡水平地域性分布特点中的应用。
Objective This paper explores an application of trend surface analysis and residual analysis in geographical distribution of the mortality rate.
结论趋势面分析法和残差分析法相结合可以全面地分析各地区死亡水平的分布特征。
Conclutions the incorporated application of trend surface analysis and residual analysis could analyze the geographical characteristic of mortality rate level across-the-board.
应用趋势面地质分析方法，区别出三肇拗陷扶余、杨大城子油层两种不同的沉积环境。
This article distinguishes two different sedimentary environments of Fuyu and Yang-dachengzi oil-bearing series in Sanzhao depression with geological analytical method of trend surface.
同样在有限元法中，计算机辅助几何设计中以及趋势面分析等问题中，都被提了出来。
These problems are proposed in the finite element method, in the auxiliary geometrical design of computors and in the analysis of tendency surface.
其线性模型主要为因子分析模型和趋势面分析模型，非线性模型为BP神经网络模型。
Linear models mainly include the factor analysis model and the trend surface model. And nonlinear models include BP neural network model.
利用连续变化的趋势面分析技术及区域地质资料研究了济阳北部地区的构造变化规律。
The regional geological data and the gravity trend surface analysis technique were used to investigate the structural variation in the northern Jiyang Depression.
方法：应用趋势面模型探讨山东省2000年各疾病监测点糖尿病的死亡率空间分布趋势。
Methods:The diabetes mortality of different regions in Shandong Province in2000was investigated based on the methods of the trend-surface analysis.
本文在对趋势面分析作了一般概述以后，用主要的篇幅列举了趋势面分析的5个应用实例。
After a general discussion of the tendency surface analysis, this paper chiefly narrates 5 case histories.
常用的空间分析方法有地统计学、空间自相关分析、分维数分析、趋势面分析、尺度方差分析等。
General spatial analytical method include geostatistics, spatial autocorrelation, fractal dimension, trend surface analysis, scale variance analysis.
结果趋势面分析往往存在共线性偏倚，利用岭回归趋势面分析可以在一定程度上控制共线性偏倚。
Results there is multi-collinearity bias in the result of the least square estimation trend-surface model, use the method of ridge regression can control the multi-collinearity bias.
本研究选取比较有代表性的几种空间估计方法：传统空间插值方法中的反距离加权法和趋势面法；
The study selects some representative methods of estimation in spatial variables as objects, including Inverse Distance Weighting in the traditional space estimation;
结果表明，该方法在提取断层信息和预测的精度上均明显优于趋势面偏差分析法和传统的地质制图法。
The result shows that the MRAGC method is better than both the trending surface and the geological graphics in picking up the fault information and in precision of forecast.
方法以多元回归分析理论为基础，构造趋势面回归数学模型，并依据模型方程绘制趋势面层次分析图。
Methods The trend-surface regressional model was based on multiple regression. Then trend-surface diagram was drawed according to the mathematical model.
将在地质方面常用的二元二次趋势面问题，推广到P元Q次超趋势面，并分析了其中的原理和计算方法。
P-variate Q-time hyper-trend surface method is derived on the basis of binary quadric hyper-trend surface method, and its algorithm and programming method are presented.
应用趋势面分析法，对我国省、市和自治区围产儿死亡率和足月低体重儿发生率进行地理流行病学研究。
The regional variations of the perinatal mortality and the incidence rate of low birth weight infant in China were studied with trend-surface analysis.
本文通过地质趋势面分析不同种方法的介绍和对比，提出采用两种人工神经网络模型相结合的方式对地质趋势面进行分析。
With the introduction and comparison of methods of analysing geology trend surface, the method of neural network is presented to analyse geology trend surface.
本文对川东石炭系储层孔隙结构的特征参数，进行了地下地质学和趋势面分析的特殊处理，取得了储层孔隙结构的区域变化规律。
This article has made the specific handling of subsurface geology and trend analysis of characteristic parameters of pore structure in East Sichuan Carboniferous System reservoir.
该系统是将区域化探数据预处理后，将多个指示元素异常数据合成一种多信息数据组，经趋势面分析，由计算机输出综合多变量异常图。
After the data of regional geochemical exploration have been preprocessed. Many data of anomalies of indicator elements are combined into a group of data with multi-messages.
该系统是将区域化探数据预处理后，将多个指示元素异常数据合成一种多信息数据组，经趋势面分析，由计算机输出综合多变量异常图。
After the data of regional geochemical exploration have been preprocessed. Many data of anomalies of indicator elements are combined into a group of data with multi-messages.
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