Mathematically, the state equations governing vibration isolation behaviors of the PHEMs are presented and solved by means of the lumped parameter method and the bond graph procedure.
采用集总参数法和键合图法建立了惯性通道式、解耦盘惯性通道式以及节流盘解耦盘惯性通道式三种液阻悬置的动力学模型,建立了状态空间方程,获得了液阻悬置低频和高频的动态特性,对比分析认为惯性通道解耦盘式液阻悬置和节流盘解耦盘惯性通道式液阻悬置具有良好的频变幅变特性,而节流盘惯性通道解耦盘式液阻悬置拓宽了被动液阻悬置高频的使用频率,改善了惯性通道式和惯性通道解耦盘式被动液阻悬置高频的动态特性。
In order to investigate dynamic characteristics of airliner cabin humidity in flight,a dynamic model was established,by means of Lumped Parameter Method with physical analysis and logical simplification.
为研究飞行过程中旅客机座舱湿度的动态特性,通过合理的分析与简化,应用集总参数法建立了座舱湿度的动态特性模型,给出了加湿系统调节阀的数学模型,并根据模型对整个飞行过程中座舱湿度的动态特性和加湿系统的控制策略进行了仿真研究。
Not only the zero-sequence lumped parameters of the transmission lines but also the distributed ones are needed to measure.
电力工程上不但需要知道互感线路的零序集总参数, 有时还需要知道分布参数。
Using deviation data,well data,layering data,sand body data,well logging interpretation data and interbed data,its function includes deviation correction,statistics of sand body thickness and sand-shale ratios,interbed data computation,interbed deduction and net computation,zoning statistics of reserve parameters,coordinate selection,and data format translation between common softwares.
该程序以井斜数据、井数据、分层数据、砂体数据、测井解释成果表及夹层数据为基础,分析储层评价工作中数据间的关系,设计了相应的算法,实现了井斜校正、按层统计砂体厚度及计算砂地比、夹层统计、自动扣除夹层及有效厚度计算、储层特征参数和储量计算参数集总、坐标添加及常用绘图软件数据格式转化等功能。
Chain structure modeling method based on lumped parameter for single phase section of boilers
锅炉单相区链式结构的集总参数数学模型
Both the zero-sequence lumped parameters and the distributed parameters of the transmission line sare needed for electrical engineering.
工程不但需要互感线路的零序集总参数,还需要分布参数。
Comparison study between chain structure model and multi segment model based on lumped parameter
链式结构模型与多段集总参数模型的比较
Vertical Composite Lumped Parameter Model of Arbitrarily Shaped Foundations
任意形状明置基础竖向振动复合集总参数模型
A Compact and Lumped Design of UHF Bandstop Filter
一种小型化的集总参数UHF带阻滤波器的设计
Lumped-parameter simulation of the temperature feedback in a high temperature gas-cooled reactor
高温气冷堆温度反馈的集总参数法模拟
A Method to Extract the Lumped Parameters of Common Mode Choke for EMI Filters
一种提取EMI滤波器轭流圈集总参数的方法
Stability and Bifurcation Analysis of the Simplified Parameter-Lumped Model in Wheel-Rail System
轮轨集总参数简化模型稳定性与分岔研究
Application of Lumped Parameter Analysis Method of Infinite Cylinder for Unsteady-state Heat Conduction
无限长圆柱非稳态导热集总参数法应用
Lumped Parameter Analysis Method of Unsteady-State Conduction of Sphere
圆球物体非稳态导热平均温度集总参数法探讨
A Lumped Dual-band Filter Designed with Bandstop Elements Embeded
一种基于嵌入带阻元件的集总参数双通带滤波器
Comparison of experiment results with theory results of vertical composite lumped parameter model
竖向振动复合集总参数模型实验结果与理论结果的对比
METHODS PREDICTING PARAMETERS OF FCC 5 LUMPING DYNAMIC MODEL
催化裂化五集总动力学模型参数估计方法
Electric parameters collection and control based on CAN bus;
基于CAN总线的电力系统参数采集和监控
Inversion of a Kind of Thermal Parameter with General Character by Using Delay-time Transform
利用走时变换反演一类集总特性的热学参数
The Research of Data Acquisition in the Measuring Reactance Parameter System Based on PCI Bus;
基于PCI总线数据采集卡的电机参数测试系统的研究
Research of Virtual Instrument on the Electrical Engineering Parameter According to USB Bus Data Collect;
基于USB总线数据采集卡的电机参数测试虚拟仪器的研究
Parameter distributions within the thruster and its macroscopical performance were presented.
给出了不同集气腔总压下推力器内部参数分布及其宏观性能。