查询词典 exponential

In experimental studies an experimental system has been constructed, which is suitable to investigate the Q-V characteristics under damped oscillation and double exponential impulses.

在试验方面，首先建立了一套适合于衰减振荡波和双指数雷电波等快速冲击电晕伏库特性研究的模拟试验系统。

The corona Q-V characteristics can be obtained automatically by the modle for different waveshapes such as damped oscillation and double exponential impulses.

最后，从试验与计算的结合上进一步探讨在冲击电晕过程中的反极性电晕机制及其对衰减振荡波和双指数雷电波电晕伏库特性的影响。

During the course of the experiments, by changing the waveshapes of damped oscillation and double exponential impulses in a wide range the relevant corona Q-V characteristics have been measured so as to examine the influence of waveshapes on them systematically.

其次，通过广泛地改变衰减振荡波和双指数雷电波的波形参数来测取相应的电晕伏库特性，系统研究波形参数变化对电晕伏库特性的影响，并就衰减振荡波和双指数雷电波这两种不同波形下电晕伏库特性之间的区别与联系进行了比较。

As response signal of damped free vibration could be considered as product of the harmonic wave and the unilateral exponential function and the rectangle window, the peak frequency and phase are frequency and phase of the harmonic wave signal is proved in theory in this paper.

针对自由衰减振动信号的连续谱，将其看成无限长谐波信号与单边指数函数及矩形窗的乘积，在理论上证明峰值点的频率和相位就是信号的实际频率和相位。

A necessary and sufficient exponential stability theorem with respect to a constant decay degree for general nonlinear dynamical systems is presented.

首先给出了一般非线性动态系统的关于常衰减度的指数稳定性充分必要定理，接着探讨了新型指数稳定性定理在线性系统稳定性分析中的应用。

The transient is seen to be a decaying exponential, and the commonly used measure of the speed of decay is the time constant

由图可见，瞬态响应为指数衰减的，通常用时间常数来衡量其衰减速度。

According to the Weisskopf-Wiger theory, the spontaneous emission decay in the free space is following an exponential decay law with the constant decay rate.

在第二章中，主要研究了多层结构中二能级原子非马尔科夫自发衰减过程的记忆函数。

In particular , when f = 0 , we prove exponential decay of logn towards the constant steady state log n_∞= 0 in the L~1 norm for long times and give the explicit rate of decay.

特别地，当f=0时，边界条件记为： n=1，n_x=0，on aΩ我们证明了当时间t→∞时，log n在L~1空间中关于时间t按指数形式衰减到0，并且给出了显式的衰减速率。

The core of this model is a function called a stretched exponential relaxation, which is similar to the decay curve of a radioactive material.

这个模型的核心是延伸型指数函数的松弛效应，就像放射性物质的衰变曲线一样。

Besides, we use Kohlrausch-William-Watts stretching exponential function for radiative decay curve fitting to determine the degree of lifetime distribution.

另外，我们利用Kohlrausch-William-Watts 公式来决定生命周期分布的程度。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐