查询词典 parameters

To develop the missile quasi-linear model, a state space model is established for missile dynamics, and function substitution method is used to describe the nonlinear dynamics of missile as linear combinations of functions of given time-varying parameters. With the minimizing variation range of model parameters over the whole design envelope as the optimum aim, linear programming optimum arithmetic is used to determine the model parameters at selected grid points.

为了建立导弹准线性化模型，将导弹动力学描述为状态空间形式；采用函数替换方法将导弹的非线性动力学描述为关于特定时变参数的函数的线性组合形式；以整个设计区间内模型参数变化范围最小为优化目标，采用线性规划优化算法确定了所选网格点上的模型参数。

For the process of forming member gear, the machine setting parameters for Free-form generators can be determined by either direct or equivalent transformation, both methods coincide with each other. For generated pinion, the author utilizes a imaginary modified member gear to get original machine setting parameters for traditional cradle-type generator, and then establishes a mathematical model including the second and third order contact parameters of the gear pair for optimal synthesis to optimize the quality of contact transmission of the gearing.

对于成形法加工大轮可以直接或通过等效转化的办法确定Free-form型机床的调整参数，二者是完全一致的；对于展成法加工小轮，作者利用假想修正大轮的概念获得传统摇台类机床调整参数的初值，然后建立包含齿轮副二阶接触参数和三阶接触参数的优化数学模型，以优化齿轮副的啮合传动质量。

Abtract This paper presents researches into the on—line identification of dynamic parameters of synchronous generators and power systems. The work is mainly in the following two fields:Ⅰ On—line identification of transient and sub—transient parameters of synchronous generators A new corrected extended Kalman filter is developed, in which, a corrected term is added in the equation of the partial differentiation of the state variables with respect to the parameters.

本文研究了同步发电机和电力系统的动态参数的在线辨识，所做的工作主要在以下两个方面：一、同步发电机的暂态和次暂态参数的在线辨识本文提出了一个校正扩展卡尔曼滤波技术，在状态对参数的偏导方程中加入了一个校正项。

In order to judge the grade of pimento, some parameters are extracted from two-dimensional image of pimento. These extracted parameters consist of length, width, perimeter, projected area, projected area to squared perimeter ratio, and width to length ratio. The extracted parameters and grade of pimento judged by experienced workers are used as input and desired patterns to estimate the connection weights of neural network. In this paper, a three-layer feed-forward neural network and back-propagation learning algorithm are suggested for the shape and size grading of pimento.

本文以青椒为对象，首先利用数位影像处理技术从人工分级后的各等级产品的影像中萃取出周长、投影面积、长度、宽度、投影面积对周长平方比与宽度对长度比等可作为判断青椒等级的分级准则，再利用多层前馈式类神经网路来模拟农产品的分级作业，并采用反向传递演算法学习各项分级准则与等级判断结果间的关系，以量化了解各项分级准则对等级判断结果的影响程度。

The geometrical parameters of the wing and tail planform and few geometrical parameters of fuselage which have more on the configuration are optimized and those constant parameters are given values according to the designer's experience or the optimizations of the parts.

在优化时，将整机外形几何参数分为优化变量和固定参量；主要优化对总体外形影响较大的机翼、尾翼的平面形状几何参数以及少数几个机身的几何参数；对于固定参量，根据经验或部件层次上的优化结果给出固定值。

In the current study, a series of cationic α-helical peptides of 20 a.a. were designed and synthesized based on four structural parameters, including charge, polar angle, hydrophobicity, and hydrophobic moment. Several methods were performed to describe the influence of these parameters on the antimicrobial and hemolytic activity, and on the permeabilizing effect on model membranes. The potential of these parameters to increase the antibacterial activity and to improve the prokaryotic selectivity is assessed.

本实验利用自行设计合成的人工抗菌胜肽当模型，固定长度为 20 个胺基酸，改变其电荷、极性角度、疏水性及疏水性矩等四种结构特性，并利用其对各种不同病原菌之抗菌活性及对兔子红血球细胞的溶血活性来研究其结构特性的改变对其抗菌活性、选择性及微脂体膜的渗透性之影响，以期望改变结构参数能增加抗菌活性及对原核的选择性。

A program based on four kinds of methods in thermal analysis is designed for finding out the mechanism of decomposition reaction of explosives and calculating their kinetic parameters. Compared with the Kissinger's method, the program here adopted has the advantage of exploring the reaction mechanism besieds a calculation of the kinetic parameters. Mechanism of decomposition of the explosive PYX was determined applying this program. The kinetic parameters of PYX calculated by non-isothermal integral meth...

以热分析理论为依据，摒弃了以往仅用一种热分析法进行反应动力学研究和近似假设─—炸药的热分解反应机理f＝（1—α）n所带来的弊病，采取4种热分析方法（等温积分法、等温微分法、非等温微分法、非等温积分法）相结合的方法，编制了计算程序，首先判断反应机理，然后求取动力学参数，用所编程序对PYX炸药的反应动力学进行了研究，用非等温法判断了PYX炸药的反应机理，并求得动力学参数，所求参数与Kissinger法求得的结果十分接近。

A new method for estimating parameters is proposed due to the characteristics of artificial fish school algorithm such as overcoming the local optimal value and robustness. Firstly, the parameters of production function are constructed into the artificial fish and residual sum of squares is designed into the function of food consistence, secondly, the parameters of production function are estimated by the random behavior, preying behavior, swarming behavior and following behavior.

基于人工鱼群算法能够克服局部极值、鲁棒性强等特点，给出了一种生产函数中参数估计的通用新方法，该方法首先将生产函数模型中的参数构造成人工鱼模型，利用残差平方和设计食物浓度函数，然后通过人工鱼的随机、觅食、聚群、追尾等行为，对生产函数中的参数进行估计。

Of all the above, the constructor is used mainly to generate and set ports and parameters; Ports acting as the channel for data transmission among actors are defined as input ports, output ports or input/output ports. They are also set as single port or multiple ports; parameters are used to allocate actors. In the document, it may be set as an default value or as vacancy to define the data type of parameters, while the specific function to be implemented by the actor shall be defined by public method. Within the actor, the implementing sequence and functions of the method is generally seen as follows

其中构造函数主要用于创建和设置端口和参数；端口作为角色间数据传输通道，它被定义为输入端口，输出端口或输入/输出端口，并被设置为单端口或多端口；参数用于配置角色，它在文件中可设有默认值或为空，并定义参数的数据类型；而角色执行的具体功能由公有方法定义，角色内这此方法的执行顺序及功能一般如下

Two CPL MS25K high speed cameras（100Hz）was synchronized with an AMTI force platform（1000Hz） to collect the biomechanical parameters of taking-off spike movement by single-foot . The images were processed with Kwon motion analysis system to obtain kinematics parameters of run-up period, take-off period, and air-motion period, and the values were analyzed with Dasy Lab 6.0 software to obtain kinetics parameters changes of take-off period.

实验仪器以两台高速数位摄影机（CPL MS25K 100Hz）及一块AMTI测力板（1000Hz）同步撷取受试选手在执行单脚起跳扣球动作时之运动生物力学参数，拍摄后影像经由Kwon动作分析系统进行资料处理后，取得助跑期、起跳期及空中动作期之运动学数值，并结合DasyLab6.0分析软体，求出起跳期之动力学参数变化情形。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了