计算元件

This research uses high sensitive piezoelectric sensor for developing a sensitive sphygmograph to detect anthropic pulse and to determine parameters to diagnose physiology of human. From spectrum of pulse, the analysis processes are to determine the high pass frequency used in the analysis, uses the IIR Buttorworth filter to remove the noise, to calculate the Hermite curve for filtering the oscillation parts caused by breathe, then to calculate the parameters in strength, time and angle domains from the processed signal to study their correlation with the physiology of the studied experimenters and compared the results with the machine from the market.

中文摘要本研究采用高灵敏度压电感测元件，发展敏锐的脉搏感测仪器，量测人体手腕脉搏波形，计算其中所包含之参数来探讨与研究人体生理状况相关性的适用性；藉由分析脉搏频谱成份并使用Buttorworth滤波器过滤高频杂讯，再使用Hermite方程式去除手腕低频振动杂讯，由过滤后的脉搏讯号萃取振幅强度、波形上升与下降时间、上升与下降角度等参数，经由统计分析探讨与人体生理之情况相关性，并将所获得指标结果与市售仪器所量测之数据变化进行比较。

Power system transient stability calculation has long been recognized as a basic and important method of power system analysis and...

电力系统暂态稳定计算是电力系统分析和控制中最基本也是最重要的方法之一，其中电力系统元件的模型选取和建立有着很重要的作用。

A lot of accomplishments have been achieved since the numerical calculation was used in the research for new kind of twin-screw elements.

用数值计算的方法进行新型螺杆元件研究，已经取得了一些成绩。

In order to im-prove efficiency,the methods of calculating the vectors of sensor-senseddisplacement are presented.

提出了简化传感元件观测出的位移向量计算的两种方法。

The method utilizes multi-source,heterogenic sensors to gather data of all kind equipment character and utilizes fuzzy neural network as ex-ecutive institution of diagnosis adjudging to diagnose cause of equipment fault and to assess the equipment running sit uation.

当诊断对象内部结构功能复杂时，为有效判别故障情况必须大量增加检测元件、检测手段以及增加计算复杂度，从而导致故障诊断设备的成本和时间增长。

And selected homological hydraulic elements, drawned up the assembly pictures and the charts of major parts according to the calculation and flow analysis.

并根据计算及流量分析选取了相应的液压元件，画出了液压缸及整个系统的装配图及主要零件图。

There are two parts in this thesis. Part I focuses on the transient effect in InGaP/GaAs hetero-junction bipolar transistors. Part II focuses on the P memory effect and buffer-layer-quality determination using C-V measurement in AlGaAs/GaAs pseudomorphic high-electron-mobility transistors. The characterization of hydrogen passivation for InGaP HBTs grown on semi-insulating GaAs substrates is studied. The transient effect caused by hydrogen passivation results the current gain ?

本论文分两部分，第一部份讨论在磷化铟镓的异质接面双载子电晶体中，由於氢的包覆效应产生的特性之研究，由於氢在此种元件中所造成的载子包覆现象是引起电流增益增加的暂态现象的主要原因，本论文提出一个计算氢包覆比例的模型，并与SIMS量测的结果相比对，经过几次热回火处理，此种暂态效应可以被消除。

Quotiety of heat exchange on side of air and parameter of refrigerant inside of tube is calculated.

毛细管仿真：在采用毛细管作为节流元件的制冷装置中，毛细管的选用与制冷剂的冷凝压力，过冷度和蒸发压力等因素有关，理论计算比较繁琐。

The slant conical shell of fixed tube-sheet reboiler is simplified for stress analysis with finite element method.

对固定管束釜式重沸器的斜锥壳元件建立了简化力学模型，并进行了有限元分析计算，结果表明大端转角过渡区存在较大的弯曲应力。

By study, majority of the research productions and theoretical papers are about how to control harmonic, and the harmonic analysis methods that were introduced are generally applied in large power system, these harmonic analysis methods usually use harmonic network's mathematic model (the conductance and susceptance matrix of the node). But because of the dissymmetry of some elements in power system, the mathematic model is very complex, so it is very complicated to calculate by these methods, we commonly combine with computer and use them to analyze large power system.

通过学习和了解，现有的研究成果和理论文章多数是介绍谐波的治理方法，而介绍谐波分析方法的论文一般是针对大型电力系统进行分析和研究的，这些谐波分析方法通常利用谐波网络的数学模型（谐波网络的节点导纳矩阵）进行分析，由于电力系统中的某些元件的不对称性，使得数学模型复杂，计算起来极为繁琐，因此，一般结合计算机用于分析大型电力系统。

Life. But the intrinsic way of the Internet by wire confines accessing and using of the network information.

然而，Internet固有的有线连接方式大大限制了人们对网络信息的访问和使用。

I have a strong persuasion that this is true .

我坚信这是正确的。