特征参数

Based on the entropy theory and Dempster - Sharer evidential theory, the problems of information fusion in mechanical characteristic parameter and mechanical failure diagnosis ware studied.

利用信息论熵的相关理论和D-S证据理论，分别研究机械特征参数提取和机械故障诊断的信息融合问题。

Through studying the working mechanism of the composing, the paper referred the bearings analyzing model and designing flow.Through shearing test of high damping rubber ,the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters(dynamic shear elastic module , dissipation engineering module , wasted gene ).

本论文通过对这种分离式减震支座各组成部分工作机理的研究，提出了该分离式减震支座整体的计算分析方法和设计流程；通过高阻尼橡胶剪切试验，分析了高阻尼橡胶剪切面形状、剪应变幅值、激励频率和试件高度对特征参数(动态剪切弹性模量、耗能模量、损耗因子)的影响。

Finally, the feature parameters are refined by applying an appropriate similarity transformation to solid features.

实现了基于仿射变换的特征参数优化求精。

Stress intensity factor is obtained by solving singular integral equation. Numerical examples are given to show the effects of material properties, interlayer thickness, and especially the distribution parameter k on the stress intensity factor.

通过处理奇异积分方程得到了应力强度因子，数值结果给出了材料特性、界面层厚度、尤其是分布特征参数k对应力强度因子的影响。

The carboxylation efficiency on May of 1 and 2 year needle of slash pine's half-sib was the lowest while the carboxylation efficiency on August to September of 1 and 2 year needle of slash pine's half-sib was the highest.

使用LI-6400便携式光合测定系统，研究了湿地松优良半同胞家系的光和CO2响应情况，结果表明：不同湿地松半同胞家系光响应曲线、CO2响应曲线的特征参数在家系品种间有极显著差异。

To investigate the pitting and metastable pitting rules of type 304 stainless steel, potentiodynamic polarization method was employed to study the behavior of metastable pitting and stable pitting on 304 stainless steel in sodium bromide solution and borate/phosphate buffered bromide solutions. The influence of the concentration of Br-、the pH value、the buffer capacity and general environmental factor to pitting potential and metastable pitting was studied as well.

为了更深入地了解304不锈钢的稳态及亚稳态孔蚀规律，本文采用动电位慢扫描法测得了304不锈钢的阳极极化曲线，研究了不锈钢在纯溴化钠溶液及含溴化钠的硼酸盐或磷酸盐缓冲溶液中的亚稳态孔蚀以及稳态孔蚀行为，分析了溴离子浓度、pH值、缓蚀性阴离子、以及缓冲容量和综合环境因子对孔蚀电位以及亚稳态孔蚀特征参数中的形核数目、峰值电流、生长寿命的影响。

A new algorithm for extraction of tissue impedance spectroscopy parameters based on optimization method is proposed in this paper.

对生物组织的阻抗频率特性进行分析，就是从阻抗频谱数据中提取生物组织的阻抗特征参数。

The fault feature parameters are extracted,subjection functions and fuzzy rules for identifying pattern of fault and selecting phase of fault are developed from perspective of fuzzy pattern recognition,and new algorithm of speedy comprehensive faulty phase selection based on stratified fuzzy reasoning is presented.

提取了用于故障选相的特征参数，从模糊模式识别的角度，制定了识别故障类型和故障相别的隶属函数及模糊规则，提出了基于分层模糊推理的快速综合故障选相元件新算法。

Firstly, subtractive clustering algorithm is used to confirm the structure of fuzzy neural network.

首先利用减法聚类方法确定模糊神经网络的结构，再结合模糊推理系统进行模式识别，并详细介绍了其基本原理和学习算法，最后引入4种起皱特征参数对真实织物进行验证。

The characteristic parameters of tree belt, such as tree belt width, density, average canopy density, height, and distance from the source to the tree belts were included in the formula.

为了克服林带声衰减量计算过于简化而引起的公路交通噪声预测精度降低的不足，基于植物内部结构及吸声、散射机理的分析，建立了高速公路林带声衰减量计算公式，公式中包含了林带宽度、密度、平均灌幅、高度和林带近路侧距公路中心线距离等特征参数。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。