参数

However, for the estimation of first parameter, WLSE is worse than ANILE but still within 5%. For the estimation of the second parameter, there is no significant difference between WLSE and AMLE.

但对第1个参数之估算，WLSE都比AMLE差，但仍在5%以内；对第2个参数之估算，WLSE则与AMLE无明显差异。

The system could complete parameterized design of parts and die parts drawing, the virtual assemkbly of die and die assembly drawing, and animated die drawing.

并基于SolidEdge平台，采用参数设计技术和VisualBasic工具，开发了一个圆筒形零件拉深模具系统，该系统能够全参数化进行零件设计并生成零件图、模具虚拟安装并生成模具装配图。

Parametric and non-parametric tests as well as ANOA models were used.

对照组13人。使用参数检验、非参数检验以及ANOA分析。

The key factors to make the slide is controlled to make the model be similar in geometry, material and fabric with the antetype, then simulate the infection of river ,digging of road and so on, measure the data of the distortion of model, analyze the reason of the distortion and factors of the slide.

试验抓住造成滑坡的主要因素，根据所得的岩石力学参数及结构面参数，在几何条件、模型材料、结构面条件等方面都基本满足相似原理的情况下，对模型进行了河流下切、公路开挖等条件的模拟，测量观察边坡的卸荷回弹与层面的弯曲变形情况，利用所测数据分析论证滑坡的形成机制和影响因素。

With the combination of lighting, cooling and heating under daylighting, the study on the effect of the key characteristic parameters on total energy consumption is provided. The validation of the comparability of daylight distribution for building antetype and model is made through theoretical analysis and simulating calculation in the thesis. Due to the variable sky condition, daylighting factor is used for experimental validation instead of illuminance. The error analysis of several testing methods used in the experiment is conducted, followed by the experimental validation of the effect of WWR, sill and transmittance on daylighting factor distribution.

基于天空状态的多变性，提出用天然采光因数替代照度进行实验验证，对实验中的几种测试方法进行了误差分析，并通过实验验证了窗墙比、窗台高和透光率对天然采光因数分布的影响。4 为了更直观地分析各参数对照明节电的影响，提出了"特征点"、"特征线"和"特征距离"等概念；分析了天然采光下的照明节能状况，综合考虑照明、采暖和空调能耗，计算分析了几个主要特性参数对总能耗的影响。

First discarding the thought of fitting by AR model, the ARMA model is fitted by a high order MA model using Gevers-Wouters algorithm on the basis of related functions of ARMA model. Then according to the parameters of the fitted MA model, the ARMA model parameter estimation through solving a system of antipathic linear equations using the least squares method is obtained.

首先摈弃传统的拟合到AR模型的思考方法，而是基于ARMA模型的相关函数用Gevers-Wouters算法对ARMA模型拟合到高阶滑动平均模型；然后在拟合的MA模型参数基础上，用最小二乘算法求解一个不相容的线性方程组，从而估计出ARMA模型参数。

Therefor, it is meaningful to improve the performance of antiskid braking systems by means of parametric uncertainty nonlinear control theory, and it is the topic of this dissertation.

文中总结了参数不确定非线性系统控制理论的研究成果，特别注意到基于反馈线性化理论的控制方法是参数不确定非线性系统控制理论的一个重要组成部分。

The parameter adaptive law is formed,we adjust the parameters to make sure the density of spruce aphides and their predator track the ideal trajectory,the stability of the system is guaranteed.

建立参数自适应律，调整控制系统参数，使天敌-害虫的种群密度渐进的跟踪理想轨迹，保证了该系统的稳定性。

This dissertation begins with the analysis of speech signal pretreatment and does some points test, draws the characteristic parameter of the introduction pronunciation through MATLAB speech processing toolbox, gets rid of the aphonia segment and yawp of speech signal, offers effective speech segment for the distill of speech characteristic parameter.

本系统首先从语音信号的预处理开始分析，通过MATLAB语音处理工具箱提取输入语音的特征参数，对语音信号进行了端点检测，滤除了语音信号的无声段和噪声，为语音特征参数的提取提供了有效语音段。

The results show that with the approximate calculation method satisfactory results can be obtained of calculating the parameters of the discharging circuit and discharging current when the workpiece moves.

研究结果表明，在毛坯不运动的情况下，用预选频率法可以方便准确地计算放电回路的参数及放电电流，从根本上解决了放电回路参数的计算问题。

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。