查询词典 transient

Moreover, control signals are differential of input voltage to time, thereby the model is more suitable for simulation of transient states.

由于控制信号是输入电压对时间的微分，因此更适合瞬态仿真。

The circuit topology of the differential Forward DC-DC converter mode inverter with high frequency link was proposed. Circuit topology, transient voltage control strategy, steady principle characteristic and design criteria for the key circuit parameters were deeply investigated.

提出差动正激直流变换器型高频环节逆变器电路拓扑，并对该变换器的电路拓扑、瞬时电压控制策略、稳态原理特性、关键电路参数设计准则等进行了深入地分析研究。

Digital simulation shows that the proposed method has good performance in transient stability control of practical systems.

通过在实际工程的仿真计算，证明该方法具有良好的阻抗控制效果。

To study the different permeability characteristics of rock, transient permeability tests of limestone and diorite were carried out. The permeability evolution and the relation between pore pressure and time of rock specimens during the complete stress-strain course were investigated. The strain-permeability equations of rock specimens during the deformation and failure course were set up. Finally, the penetration mechanism of two types of rocks was analyzed.

为研究岩石不同渗透特性，对石灰岩和闪长岩进行了瞬态渗透实验，研究了岩样全应力－应变过程中的渗透率演化规律以及孔隙压差与时间的关系，并建立了岩样变形破坏过程的应变－渗透率方程，最后分析了这两种不同类型岩石渗透机理。

The direct method is one of the most important methods in the transient stability analysis.

在过去的几十年各国进行了大量的研究，已取得了相当大的进展。

My utterly discomfited, feeling this is in vulgar language of office first time, at this moment, the boss is transient beside me.

我气急败坏，感觉这是在办公室第一次粗话，就这时，老板路过我身边。

Have we cherished the happy moment or have we fallen again into greater discontentment after enjoying the transient happiness?

还是在短暂的幸福之后陷入更大的不满足之中？

The numerical results show the difference between transient signal and steady. In the end of this chapter, the FDTD formule in the magnetic dispersion medium is presented in order to compute the scattering problem in the dispersion medium.

第四章基于FDTD方法在时域直接研究目标的瞬态散射特性，采用标准的Yee算法和改进的FDTD方法，计算了有耗介质方柱和涂复圆柱的瞬态响应，数字结果显示了瞬态信号与稳态信号的差异。

An improved transient algorithm is proposed to solve the distributed parameter model for heat exchangers.

针对目前求解换热器瞬态模型的算法收敛性不稳定的问题，提出了一种改进算法。

On the basis of experimental research, this thesis applies 2-dimensional non-linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. When the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. The computing results are in good agreement with the test data. It indicates that the program is stable and precise.

在试验研究的基础上，本文采用精度较高的三角形六结点单元对构件截面二维非线性瞬态温度场进行了有限元分析，即在空间域内采用有限元网格划分，在时间域内采用有限差分网格划分，据此编制了计算程序，计算结果与试验数据符合较好，程序稳定性好，精度满足要求。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。