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词汇 exponential decay
分类 英语词汇 英语翻译词典
释义

exponential decay

英汉-汉英词典
指数式衰减
词组 | 习惯用语
您要查找的是不是：
    exponential decay constant 指数衰减常数
    negative exponential decay 负指数式衰减
    first-order exponential decay 一阶指数衰减
    Fit Exponential Decay 指数衰减拟合
    Single Exponential Decay 单指数衰减
    exponential decay rate 指数衰减速率
    exponential decay wave 指数衰减形波
    With Exponential Decay 随着指数衰减
exponential decay [物] 指数式衰减
中文百科

指数衰减

一个量以指数方式衰减，大的衰减常数使得该量消失的更快。这个图显示了对衰减常数为25，5，1，1/5和1/25时，横坐标x从0到4的衰减曲线。
A quantity undergoing exponential decay. Larger decay constants make the quantity vanish much more rapidly. This plot shows decay for decay constant (λ) of 25, 5, 1, 1/5, and 1/25 for x from 0 to 5.
Graphs comparing doubling times and half lives of exponential growths (bold lines) and decay (faint lines), and their 70/t and 72/t approximations. In the SVG version, hover over a graph to highlight it and its complement.
La décharge d'un condensateur est à décroissance exponentielle.

某个量的下降速度和它的值成比例，称之为服从指数衰减。用符号可以表达为以下微分方程，其中N是指量，λ指衰减常数。

\frac{dN}{dt} = -\lambda N.

方程的一个解为：

N(t) = N_0 e^{-\lambda t}. \,

这里N(t)是与时间t有关的量，N0 = N(0)是初始量，即在时间为零时候的量。

英语百科

Exponential decay 指数衰减

A quantity undergoing exponential decay. Larger decay constants make the quantity vanish much more rapidly. This plot shows decay for decay constant (λ) of 25, 5, 1, 1/5, and 1/25 for x from 0 to 5.
Graphs comparing doubling times and half lives of exponential growths (bold lines) and decay (faint lines), and their 70/t and 72/t approximations. In the SVG version, hover over a graph to highlight it and its complement.
一个量以指数方式衰减，大的衰减常数使得该量消失的更快。这个图显示了对衰减常数为25，5，1，1/5和1/25时，横坐标x从0到4的衰减曲线。
La décharge d'un condensateur est à décroissance exponentielle.

A quantity is subject to exponential decay if it decreases at a rate proportional to its current value. Symbolically, this process can be expressed by the following differential equation, where N is the quantity and λ (lambda) is a positive rate called the exponential decay constant:

近义、反义、联想词
近义词
n.
decay, decline

英英词典
exponential decay n.
  1. a decrease that follows an exponential function

    2. synonymous： exponential return
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