指数衰减 in a sentence

• The density goes down exponentially with height .
  分子密度随着高度的上升而指数衰减。
• 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。
• 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 。
• The change of dynamic pressure in the orientation of wave spreading follows the damping of e - index 6
  5 、堤心内沿波浪传播方向变化的动压遵循e指数衰减规律。
• We give a center manifold theorem in the neighbourhood of the equilibrium point , and prove that the center manifold is exponentially decaying
  在此平衡点附近建立中心流形定理，并证明中心流形有空间指数衰减性。
• Discharge the capacitor to a load after it has charged fully enough , and this produces an exponential decay pulse ( edp ) on the load
  通过开关式稳压电源产生高压直流，并控制该电压对电容器进行充放电就能输出指数衰减陡脉冲波形。
• A new type of wavelet - exponential damping wavelet is constructed to detect the knocking sound caused by mechanical faults in an engine , experimental results show that by this wavelet effective features of those faults can be extracted from noise signal
  为了识别发动机噪声信号中表徵故障的间歇性撞击声，本文构造的一种新型的小波指数衰减型小波函数，它能有效地识别出间歇性撞击声。
• Using the canonical variable representation ( x , p ) , the light - damping oscillator is discussed by the corrected time - dependent perturbation methods of dirac , it is turned out that the energy levels have shift and breadth , and the wave function decaying with time exponentially
  采用正则变数( x , p )表象讨论轻阻尼振子，并对量子力学含时微扰的狄拉克方法加以修改，得出量子能级有位移和宽度，以及波函数出现随时间指数衰减的行为
• We have deduced mathematical equations modeling its vibration and studied the stability of the semigroup associated with the equation system . we obtain the exponential stability under certain hypotheses of smoothness and structural condition of the coefficients of the system , applying the relaxation function decays exponentially . this result does not need the continuity of the damping coefficient at the interface
  对于具有局部粘弹性阻尼的高维波方程的能量的指数衰减问题， liuetal . 51 }和riveraetal . 63分别对k一v型和boltzmann型的情形进行了研究，在假设了阻尼系数是光滑的并且附加了一些结构性条件的情形下，得到了指数稳定性的结果。
• During designing hardware circuit , we have used the supreme limitation to raise driving - ability and raise the distance of measurement to returning ware by taking some measurements just like multi - polar enlarging , according to the ultrasonic characteristic of index attenuation when it ' s spreading because we need to measure longer distance ( from several meters to dozens of meters )
  在硬件电路的设计中，由于需要测的距离较长(几米到十几米) ，针对超声波振幅在传播时呈指数衰减的特性，最大限度地提高驱动能力，对回波进行多级放大，达到了设计要求。
• The results showed : ( 1 ) the activity concentration of 95zr in water reduced quickly for subsidence , soil absorption , crucian intake , hornwort ' s absorption and adsorption . the dynamics of its disappearance accorded with binomial index regression law : cw . = 43 . 36e - 1 . 74t ' + 12 . 85e - 0 . 15 ( 2 ) the hornwort had stro
  结果表明: ( l )从水体中引入的95zr由于沉降、土壤吸附、被鱼体摄入和金鱼藻的吸收、吸附作用使水体中的gszr比活度呈快速下降，其消失动态符合二项指数衰减规律， cw = 43 . 36e . ， . 74t + 12 . 85e一住‘ ” 。
• Primarily there are two aspects : 1 ) the calculation model of the value of land classifying units - - model of time distance attenuation . in the calculation model of the value of land classifying units , author brings forward the model of time distance attenuation . in this model adopting the network analysis , and by establishing the road network , and proceeding path analysis , computing the time distance , then proceed the exponential attenuation or straight line attenuation on time distance , get the value of influence factor of the land classification unit
  主要有两个方面： 1 、定级单元分值计算模型? ?时间距离衰减模型在定级单元分值的求取模块中，提出了时间距离衰减模型，模型中采用网络分析的方法，通过建立道路网络，进行路径分析，求取时间距离，进而按时间距离进行指数衰减或直线衰减，得到定级单元因素因子影响分值。
• In detail , a class of cardinal orthogonal scaling functions , which are abbreviated as cosf , are constructed in the third section , and are proved that they have the properties of decay ; in the fourth section , the regularities of these cosf are studied in the generalized condition ; under the two special cases , the regularities and the decays of these cosf are discussed in the fifth and sixth sections , respectively
  具体为：第三节构造了一类正交基插值尺度函数(简称cosf ) ，并证明它们具有指数衰减性；第四节调查了一般情况下这类cosf的光滑性；第五节、第六节分别讨论了两种情况下这类cosf的光滑性和衰减性。
• In this paper , we analyzed the theory of several linear methods for the pole extraction , such as prony method , kt method and matrix pencil method . then , numerous results based on scattering responses synthesized from weighted sums of two exponentially damped sinusoids are provided to compare theirs performance
  本文主要分析了几种极点求解线性算法? ? prony法、 kt法、矩阵束法的基本原理,并比较了这几种算法对于只含两个指数衰减信号模型参数估计的仿真结果。
• In 1987 , a remarkable step was made by yablonovitch , who pointed out the possibility of the realization of photonic bandgaps , localized defect modes , and their applications to various optoelectronic devices , and by john who dicussed the strong localization of electromagnetic waves in disordered photonic crystals and also predicted many interesting quantum optical phenomena that can be realized in photonic crystals such as the bound state of photons and non - exponential decay of spontaneous emission
  1987年yablonovitch和john开创性地提出光子晶体这一新概念， yablonovitch指出了有可能实现光子频率带隙和局域缺陷模以及许多光电技术方面的应用， john则讨论了在无序光子晶体中电磁波的强烈局域现象，并预言在光子晶体中存在许多有趣的量子光学现象，诸如光子局域态、自发辐射的非指数衰减。

• 指数衰减 in English：exponential attenuation
• 指数衰减 in French：décroissance exponentielle
• 指数衰减 in Korean：지수적 감쇠
• 指数衰减 in Russian：Закон радиоактивного распада