查询词典 parameters

The objective of this paper is to estimate the parameters of generalized exponential family ARMA models and construct the confidence intervals of the parameters. In this paper we divided the problem into continuous type situation and discrete type situation.

本文针对广义指数族ARMA模型，分为连续型指数族和离散型指数族两种情况讨论模型的参数估计，并运用不同的Bootstrap方法构造参数的置信区间和置信带。

Data inspecting, saving, monitoring parameters real-timely and modifying injection and ignition parameters factitiously can be realized by communicating with ECU via RS-232C serial interface. Analyzing data, obtaining the best work nodes and drawing maps can also be realized by this system.

该系统使用RS-232C接口与自行开发的电喷系统的电控单元ECU进行通信，实现数据实时采集、保存、监控、在线修正的功能，并可以对采集的数据进行分析，获得各工况最佳工作状态点，绘制喷油和点火提前角MAP图，为实现电喷发动机的精确控制提供参考。

During the auto-control mixing,the parameters of the mixing process,such as rotor speed,filling factor,ram pressure and mix temperature have effect on the mix quality;and the effect of some parameters can be decreased by using instantaneous power control.

瞬时功率控制实质上是对混炼物料粘度的控制。1 瞬时功率控制分析粒状填料能否均匀分散在橡胶中虽然与填料粒子的大小、形状和表面状态有很大关系，但起决定作用的仍然是橡胶的粘度。橡胶粘度太大或太小对粒状填料在橡胶中的分散都不利。

Takingthe contact stress, bend stress stiffness and temperature stress as thecondition, taking the weight of the kiln tyre as optimization aim function, theredia and the width of the tyre are optimized General optimize methods justconsider the affecting of the parameters to aim function, but in fact,structural parameters(such as structure dimension, interval and so on),physics and dynamics (damp factor, conduct factor, friction factor material'selastic module strength limits and so on), which would be changed afterused.

一般的优化方法，仅仅考虑了参数对其目标函数的影响，而实际情况下有些参数是变化的，产品的结构参数、物理和力学参数如阻尼系数、传导系数、磨擦系数、材料的弹性模量和强度极限等的设计值与制造后和使用中的实际值会有差异，这种差异称为设计变量和噪声因素的变差。

In order to completely understand the effects of these parameters on the process performance, and to identify any interactions between these parameters, a two-level full factorial (25) design of experiments [5] was performed.

为了完全，了解这些参数的对和向过程表现的影响辨认出任何在这些参数之间相互作用一试验

Based on LSER method, the relationship between the acute toxicity of 26 substituted aromatic compounds on Photobacterium phosphoreum, Daphnia magna and fathead minnow and their theoritical solvatochromic parameters, the high correlation were found, it provided an example to introduce the quantum chemical parameters into QSAR study.

以线性溶剂化能相关理论为基础，利用理论溶剂化参数分析了26种取代芳香化合物对呆鲦鱼、发光菌和大型蚤的急性毒性，为成功地将量子化学参数引入QSAR研究探寻了一条新路。

In this paper, a theoretical analysis of system reliability, application Riverstone Blue Series software company BlockSim, the establishment of ZPW-2000A system reliability block diagram and fault tree model, the reliability of the parameters of each module is expected to make through to Blocksim simulation, the relevant parameters.

本文从理论上对系统进行可靠性分析，应用美国瑞蓝公司系列软件中的BlockSim，建立ZPW-2000A系统的可靠性框图与故障树模型，对各个模块的可靠性参数做出预计，通过Blocksim进行仿真模拟，得到相关参数。

Then the noise parameters and S parameters of a parallel feedback low noise amplifier were derived using these correlation matrixes.

然后在此基础上得出了并联反馈放大器的噪声参数(Rn，NFmin和Yopt)和其S参数表达式。

The correlative relationship between three hyperspectral parameters and chlorophyll content of Festuca arundinacea, Lolium perenne, and Agrostis stoloni fera was studied. The result indicated that the hyperspectral parameters were significantly correlated with the chlorophyll content, especially for GNDVI.

通过3种草坪草高羊茅，多年生黑麦草和匍匐翦股颖反射光谱曲线特征，研究了高光谱参数绿峰反射率Rg、红谷反射率Ro和GNDVI与叶绿素含量的相关性，结果表明：3种高光谱参数与叶绿素含量的相关性均达到显著水平，尤其是GNDVI与叶绿素含量之间的相关性最好。

Numerical method was used to calculate the flow field in three-phase fluidized bed, and to find the better arrangement of rectifying plate. The Discrete Phase Model was used to track the particles track and analyse the influence of structure parameters and operating parameters on dust-collection efficiency. The experimental results coincided with the calculation result.

利用数值计算的方法模拟计算三相流化床塔内流场分布，探求三相流化床的设计参数和运行参数对流场分布的影响，并找出优化整流板布置的方法；利用离散相模型模拟计算粉尘粒子运动轨迹，分析设计参数和运行参数对除尘效率的影响，并与实际工程测试结果比较，结果是两者基本吻合。

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。