查询词典 exponential decay

In some materials with periodic variation of dielectric constants and light within a certain frequency range shows exponential decay due to destructive interference and cannot propagate. This phenomenon is called photonic bandgap and this kind of structures is called photonic crystals.

介电系数周期性排列的材料，部分波段会因破坏性干涉呈指数衰减，导致无法在此结构上传播，此现象称为光子能隙，此类具有介电系数周期性排列的结构则称为光子晶体。

However, we also show that a similar construction does notlead to exponential decay.

进一步，我们将说明类似的构造方法不可能得到指数衰减。

You may recognise this as an exponential decay graph.

你可以看出这是一个指数的衰减图。

It is easy to show, for an exponential decay, that the uncertainty in the life time is also z

很容易证明，对于指数衰减来说，寿命的不确定性也是z。

Note the exponential decay in the current using both a positive and a negative test voltage.

注意在使用正、负测试电压时电流的指数衰减情况。

In particular , when f = 0 , we prove exponential decay of logn...

最后，我们又证得了几族李雅普诺夫泛函的存在性。

The pressure is seen to exhibit exponential decay.

压力被认为是展示指数衰减。

Finally,we characterize the exponential decay of the vorticity, too.

最后，同样也刻画了旋度随时间发展的指数衰减性。

In computer simulations, an exponential decay function is used for the tissue residue function.

电脑模拟时，指数衰减函数用来描述组织的残余函数模型。

Second, we establisha global existence result with exponential decay for small initial data.

在经典解的局部存在性基础上，第二步，当初值在平衡态附近扰动时，我们证得了经典解的整体存在性和指数衰减性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。