放大系数

按电压偏差特大放大系数调节励磁的某些分析

On the Method of Excitation Regulation According to Voltage Deviation with a High Coefficient of Amplification

同时，模拟实验还得出了电容C、电阻R、放大系数K与网络收敛时间的关系。

Meanwhile the simulation also reveals the relations among capacity C , resistance R , gain Kand time .

当放大系数增大时，不管是哪一种权函数，无单元伽辽金方法CPU时间均有大幅度增加。

When the scaling parameter increases , no matter what kind of weight function , the CPU time has increased substantially . 3 .

本文介绍的测量方法，其特点是测点从V形块下方打向滚针表面，并对测量放大系数进行了计算和比较。

The characteristic of advanced method introduced in this paper is that the measurement point contacted with the surface of needle roller is under the V block .

于是TMD的最优化准则可定义为最大位移和加速度动力放大系数最小值的最小化。

The optimum criteria can then be defined as the minimization of the minimum values of the maximum DDMF / ADMF .

有限点方法在求解二维问题时表现良好的权函数影响域放大系数ac，在求解其它类似问题时也能获得较好的结果。

For FPM , the amplification coefficient of support domain radius of weight function , ac , with a high accuracy in solving 2-D problems , also performs a good ability in the analysis of similar problems .

实验结果指出，器件的电流放大系数器件大J、3结特性硬，无效触发分流小，可有效地缩短开通时间。

The experiment shows that if the current amplifier factor is big , Junction J_3 is hard and the ineffective trigger branch current is low , the turn-on time can be shorten effectively .

本系统采用模糊PID复合式自适应控制器，通过模糊控制运算结果来调节PID控制器的放大系数KP始终在理想的范围内，从而使控制系统达到对结晶器液位控制的要求。

The Fuzzy-PID compound adaptive controller is adopted in this system . By analyzing the operation result of fuzzy control the K_P can keep in an ideal area so the requirement of control system for the mould level can be satisfying .

利用最大的MTDMTMD动力放大系数（DMF），评价了RTC对MTDMTMD冲程的影响。

The effect of RTC on the stroke of the MTD-MTMD is evaluated in terms of maximizing the dynamic magnification factor ( DMF ) of the MTD-MTMD .

本文从包括埋层影响的集区杂质分布出发，求出了寄生PNP晶体管的共基极电流放大系数。

We try to obtain the common-base current gain a of the parasitic PNP transistor from the eloping profile of the collector region including the effect of buried-layer .

基于导出的设置MTMD时非对称结构扭转角位移传递函数，建立了扭转角位移动力放大系数解析式。

Based on the torsional displacement transfer function of the asymmetric structure with MTMD , the analytical expression is developed for the torsional displacement dynamic magnification factor .

以具有MTMD（）、MTMD（）或TMD结构的动力放大系数最大值中的最小值为优化准则。

The criterion selected for the optimization is the minimization of the maximum value of the dynamic magnification factor of the structure with MTMD (ⅰ), MTMD (ⅱ) or TMD .

通过对地震加速度记录放大系数谱的计算分析，给出了基岩和土层记录的水平和竖向地震分量的有效峰值加速度（EPA）的计算式。

The main results of this paper are as following : ( 1 ) The calculated methods of effective peak ground acceleration ( EPA ) were put forward by analyzing the acceleration average magnified coefficient spectrum .

虽然PGA放大系数极大值并不能全面地反映岩体边坡地震动力响应的整体情况，但其能在一定程度上诠释岩体边坡地震动力响应的强度问题。

Though the maximum value of PGA amplification factor can not reflect the whole condition of dynamic response to rock slope comprehensively , it can to some degree determine the strength of it .

基于导出的设置阻尼柔性连接TMD结构位移传递函数，建立了结构的动力放大系数（DMF）设计公式。

Based on the derived displacement transfer function of the structure with the TMD with flexible-jointed damping , the design formula for the dynamic magnification factor ( DMF ) of the structure is proposed .

根据振型降阶技术，导出了设置调谐质量阻尼器（TMD）MDOF结构的位移和加速度动力放大系数（DDMF/ADMF）。

Employing the mode reduced-order technique , the displacement and acceleration dynamic magnification factors , denoted by DDMF / ADMF , are derived for an MDOF structure with a TMD attached .

基于建立的结构LTMTMD系统的传递函数，导出了设置LTMTMD结构的动力放大系数（DMF）解析表达式。

Based on the formulated transfer function for the structure-LT-MTMD system , the analytical expression for the dynamic magnification factor ( DMF ) of the structure with a LT-MTMD is derived .

而SD-TMD冲程的评价准则为：SD-TMD动力放大系数的最大值。

The evaluation criterion of the SD-TMD stroke is selected as the maximum dynamic magnification factor of the SD-TMD .

以低成本，高性能的设计思路实现了一种用于建筑工程材料测试的数据采集卡，系统基于PCI数据总线，8路模拟量输入，配置为不同放大系数。

Considering low cost and high performance , we realized a kind of data collection card which is used for testing construc-tion material . The card based on PCI bus , has 8 analog input channels , which can be configurated different amplifying coefficients .

本文表明，Si-SiO2界面过渡层中的载流子陷阱对硅体内电子存在慢俘获作用，这将导致npn型双极晶体管电流放大系数h（FE）随时间的正向漂移。

It is presented in this paper that dc current gain hFE of npn bipolar transistors drifts with time due to the slow trapping effect in the Si-SiO2 interface transition layer on the electron in the Si-substrate .

与普通地震动Elcentro记录相比，长周期地震动记录的低频成分更为卓越，长周期段所分布的能量更加充裕，绝对加速度放大系数更大。

Comparing with the normal ground motion records such as EL Centro records , low frequency content is more predominant and energy distributed in the long-period range is more abundant for long-period ground motion record .

于是MTMD的最优参数评价准则可定义为设置MTMD结构最大加速度动力放大系数最小值的最小化。

The criterion for assessing the optimum parameters of the MTMD may then be defined as the minimization of the minimum values of the maximum acceleration dynamic magnification factors of the structure with MTMD .

基于设置多重调谐质量阻尼器（MTMD）结构和MTMD的传递函数，定义了结构和MTMD的动力放大系数。

Based on the transfer functions between the structure installed with multiple tuned mass dampers ( MTMD ) and the MTMD , the dynamic magnification factors of both the structure and MTMD are defined .

使用~（55）FeX射线源研究了气体放大系数和能量分辨率与气体成份和丝直径的关系。

The gas multiplication and energy resolution have been investigated as a function of the gas mixture and wire diameter for 55Fe X-rays .

从Biot理论和孔隙流体均一性的概念出发，研究了单层土中饱和度、土的性质、土层厚度和加载频率对竖向振动放大系数函数的影响，得出了在不同条件下的数值解。

Based on Biot ′ s theory and the concept of homogeneous porous fluid , the function of vertical vibration amplification is described as a function of degree of saturation , soil properties , layer thickness and loading frequency .

s-1时，放大系数为1.35，放大系数随动荷载振幅的增大而增大；围岩塑性区面积也随振幅增大而增大。

When the amplitude is 0.5 m · s ~ ( - 1 ), the magnifying coefficient is 1.35.The magnifying coefficient and the area of plastic zone of surrounding rock increase with the increase of amplitude .

MTMD的有效性评价准则定义为设置MTMD结构最大加速度动力放大系数最小值的最小化与未设置MTMD结构最大加速度动力放大系数之比值。

The assessment criterion of the MTMD effectiveness is defined to be the minimization of the minimum values of the maximum acceleration dynamic magnification factors , normalized with respect to the uncontrolled maximum acceleration dynamic magnification factor .

对Pushover分析与IDA分析的结果进行了对比，根据两种分析方法的结果，提出了按照我国规范设计的半刚性连接钢框架钢板剪力墙结构的结构影响系数和位移放大系数的取值。

After comparison of the result from pushover and IDA , The structural influencing coefficient and deflection amplification factor of the semi-rigid connected steel frame-steel plate shear wall structures that designed according to building seismic code of China are suggested . 7 .

基于建立的MTMD-1-MTMD-5结构系统传递函数和动力放大系数（DMF），定义了求解MTMD-1-MTMD-5最优参数的优化准则。

By resorting to both the transfer functions and dynamic magnification factors ( DMF ) formulated for the MTMD-1-MTMD-5 structural system , the MTMD-1-MTMD-5 criterion for optimum searching is then defined .

该系统利用模糊控制运算结果来调节PID控制器的放大系数Kp，使Kp始终在理想的范围内，以充分发挥模糊控制和PID控制各自的优越性。

In this system , the amplifying factor Kp of the PID controller is adjusted by the operation result of fuzzy control , thus the factor Kp is keeping in ideal range . The control scheme made the most of the advantages of both fuzzy control and PID control .