本文讨论了参数变形模型的原理。
The focus of this dissertation is to investigate parametric deformable models.
变形模型分为参数变形模型和几何变形模型两种。
There are two types of deformable models: parametric deformable model and geometric deformable model.
本文提出了迭代梯度矢量流参数变形模型(IGVF)。
In this thesis, a new deformable model called Iterative Gradient Vector Flow (IGVF) is developed.
结果一系列非参数检验证实数字变形模型的有效性,且配对比较法优于普通的标准比较法。
A series of non parametric tests validated the digitized distortion model and indicated that the Paired Comparison Method was superior to the Standard Comparison Method.
分别根据该曲线的弹、塑性变形段确定相应的线性、非线性模型参数。
The respective linear and nonlinear model parameters are determined according to these isochrones' elastic-plastic deformation segment.
依据变形等效原理,建立了层面影响带的粘弹性参数的反分析模型。
Based on equivalent deformation assumption the back analysis model of determining the viscoelastic parameters of the effect zones is established.
穿孔效率是斜轧穿孔变形中的重要参数之一,至今尚无精确计算的数学模型。
Piercing efficiency is one of the critical parameters concerning deformation under rotary piercing and there is no existing mathematic model for accurate calculation therefor.
最后,利用前面两个边坡的岩体力学参数,建立模拟模型对未采区的边坡变形进行预测。
Finally, using the front rock mechanics parameters of two slopes, it has established the analog modeling to forecast the distortion of slope in area which has not excavated coal.
通过变化模型参数,可模拟变形特性较为复杂的土体。
Through varying model parameters, more complicated deformation behaviors can be simulated by the modified model.
此模型判断如何选取轧机速度曲线图,首次提出根据轧制变形区各参数来计算不同压下量下的最大轧制速度以及咬入速度。
This model firstly judges how to choose a right curve of rolling speed, then calculate the Max rolling speed and entering speed according to the parameters in deformation zone.
以此为基础,再根据南京某基坑工程现场变形监测结果,由反分析获取SSC模型参数,并对模型参数进行验证。
Based on that, the parameters of SSC model were gained and validated by field monitoring deformations in some excavation engineering at Nanjing.
此模型由一“破坏指标”表示,它是最大变形和累积能量耗损两个参数的非线性函数,其统计特性服从威布尔分布。
This model is represented in terms of a "damage index" which is a nonlinear function of maximum deformation and accumulated energy dissipation, and follows Weibull distribution.
在研究测量误差分析、模型误差统计检验、变形分析、可靠性分析和优化设计等问题中,经常需要对统计量分布的非中心参数进行估计。
The noncentral parameter of statistic distribution often needs to be estimated in error analysis, statistical test, deformational analysis, reliability analysis, and optimum design, etc.
首先介绍了表征机匣变形程度的新参数,进而引进了非轴对称压气机模型的建模方法。
The new parameter representing the nonuniformity of tip clearance is recommended, and the modeling approach for the nonaxisymmetry compressor is introduced.
利用人工神经网络方法研究了该工艺的参数协调和变形力预测等问题,建立了神经网络预测模型。
The method of artificial neural network was utilized to research the coordinating of the process parameters and the prediction of the forming pressure, and the model was established.
根据原位压板试验确定的强度和变形参数计算筏板基础下地基的承载力,并采用集中力弹簧模型计算筏板各点的沉降。
Based on the deformation modulus from the in-situ plate loading test, the settlement of each point on the raft foundation was calculated using spring model with concentrating force.
相对于参数活动轮廓模型,几何活动轮廓模型具有很多的优点,如计算的简单性和在变形的过程中能够处理曲线的拓扑变化,等等。
Geometric active contour model has many advantages over parametric active contour model, such as computational simplicity and the ability to change curve topology during deformation, et al.
讨论模型参数对土体变形及支护桩变形与内力的影响和基坑变形规律的研究;
Then, the effect of model parameters on displacement of soil and inner stress and displacement of bearing pile were discussed and rule of pit deformation was studied too.
本文对不同载荷下大变形柔性杆件的末端轨迹进行了分析,给出不同情况下柔性杆件伪刚体模型中各参数的确定方法。
The paper firstly analyzed the tail end track of flexible rob under different loads. And the determining method about the parameters of pseudo-rigid-body model was discussed detailedly.
采用该分析模型,分析了桩身几何参数、桩顶荷载水平、混凝土弹塑性和桩侧阻软化效应对大直径超长单桩承载变形性状的影响。
The effects of shaft geometry, load level, concrete elastoplasticity and shaft resistance softening on bearing and deformation characteristic of LDSLP were studied by using this model.
运用递阶分析方法,对本文所建立的盾构隧道和基坑工程地面变形神经网络模型中所选用的输入参数进行了敏感性分析,得出预测模型输入参数的敏感性排序。
The hierarchical analysis theory is used to analyze the sensitivity of the input parameters of the neural network model of ground deformation of shield tunnel and excavation.
在虚拟环境中,对人体头部变形曲面提取特征并参数化,建立基于弹簧质点系统的标准几何模型;
In a visual environment, the characters of transformative head surface were parametrically drown out and a standard geometrical model of head was established based on the spring mass system.
通过选择有关参数,处理工程边界以及进口边界条件,用二维河道全沙数学模型计算所得的河床变形趋势与实测情况基本一致。
The trend of river bed deformation calculated by a plane 2-D numerical model of total sediment transport is in good agreement with the real conditions.
利用这些弹塑性弯曲变形数学模型计算的主要参数有:1)夹送辊咬入带钢的条件;
The main parameter which can be calculated using this mathematic model that we have created include:1) The condition that strip can be brought into pinch rolls;
采用双曲正弦模型确定了该材料的热变形参数随应变量的变化规律,建立了相应的热变形本构方程。
The relations of the thermomechanical parameters with strain were obtained using the hyperbolic-sine mathematics model and the hot deformation constitutive relationship was established.
然后针对模型有限元分析结果,改进模型结构改变部件参数来消除应力集中和变形过大的现象。
According to the analysis results, the model structure and part parameters were optimized to improve the press and deformation distribution.
将AR(1)模型的模型参数作为状态向量,用卡尔曼滤波法进行危岩体变形分析。
Looking the model parameter of ar (1) model as the status vector, using Kalman filter method to analysis the deformation of dangerous rock mass.
将AR(1)模型的模型参数作为状态向量,用卡尔曼滤波法进行危岩体变形分析。
Looking the model parameter of ar (1) model as the status vector, using Kalman filter method to analysis the deformation of dangerous rock mass.
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