查询词典 exponential function

However under a quite general condition (the summability of the φ-mixing coefficients), we establish the exponential convergence of ||f_n~*- f||_1 which gives a first step to prove the LDP for certain φ-mixing processes.

然而，在一个非常一般的条件下，我们得到了||f_n~*-f||1的指数收敛性，这为今后研究特殊的φ-混合过程的大偏差原理打下了基础，接着，我们研究了两种马氏过程的情形，即一致遍历马氏过程和可逆马氏过程。

Log-domain companding technique takes advantage of the exponential I/V characteristics of the active devices such as bipolar junction transistors, compressing the dynamic range of the input sigal and reducing internal voltage amplitudes, it can maintain large dynamic range and high operating frequency under low supply voltage , the main area of application for this technique is the implementation of continuous-time fully integrated filters with low voltage, wide dynamic range, high-frequency, and wide tenability.

对数域压扩技术利用BJT晶体管等有源器件的指数Ⅰ-Ⅴ特性，对信号作对数压缩处理，大大降低了电路内部节点电压的摆幅，能在低电源电压下保持大信号动态范围和高工作频率，该技术的主要应用是设计具有低电压、宽调谐范围、高工作频率和宽动态范围特性的连续时间全集成滤波器——对数域滤波器。

Second, compared with direct tensor product in multi-dimensional space, which suffers from the exponential increase of the number of sampling points with the number of variables, the Sparse Grid technique decreases the number of collocation points dramatically while the accuracy is guaranteed, and further reduces the computational complexity.

其次，为了避免通常用于多维空间的直接张量积随机配置法所带来的采点数随空间维度指数增长的缺点，采用稀疏网格采点技术，在保证建模精度的同时大幅度减少了配置点数目，从而进一步降低了随机配置法的计算复杂度。

A simple method for the thermogram simulation, in which a exponential equation of thermogram s is built, is described the relation between heat flow and time from laboratory scale heat conduction calorimeters.

根据热导式量热计的基本理论导出了指数型热谱曲线描述方程。

The process of random load action was described with the Poisson stochastic process and the time de pendent reliability models of series system, parallel system and k/n system were developed with the probability differential equation and total probability formula when strength degenerated as time, Taking the degeneration of strength following the exponential rule as an example, the relationships between the reliability and failure rate of system and time were studied.

采用泊松随机过程来描述载荷的作用过程，运用概率微分方程和全概率公式建立了强度随时间退化时的串联系统、并联系统以及k/n系统动态可靠性模型。以强度退化服从指数退化规律为例，研究了串联系统、并联系统以及k/n系统的可靠度和失效率随时间的变化规律。

By means of state variables transformation,the problem of reliable control with exponential stabilization is reduced to an equivalent problem of reliable control.

经过适当的状态变换，将原系统的指数稳定鲁棒可靠控制问题转化为另一个等价系统的鲁棒可靠控制问题。

Secondly, using the transformation of stretched variable, the first boundary layer corrective term near the left endpoint is constructed which possesses exponential attenuation behavior.

其次，利用伸长变量，在左端点附近构造问题解的第一边界层校正项。

In this paper, we present an algorithm to accurately compute the exponential of a triangular essentially nonnegative matrix.

本文给出了一个计算本质非负三角阵的指数函数的高精度算法。

Exponential and trigonometric Functions: read Chapter 2 and do exercises.

指数和三角函数：阅读第二章以及做练习题。

The distribution of lifetimes of species follows an approximate power law only over a limited regime, and the distribution of trophic level follows an exponential attenuation.

首先，在第一章中介绍了数学生态学和生态模型发展的几个热点，然后介绍了Chowdhury等的统一的宏观和微观的生态模型及它的发展情况。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。