exponential decay 中文意思是什麼

exponential decay 解釋
衰變常數
  • exponential : adj 指數的，冪的。 exponential curve 指數曲線。 exponential function 指數函數。 exponential sum ...
  • decay : vi. 1. 朽，腐爛。2. 衰減，衰退。3. 凋謝，枯。vt. 使朽壞；使衰退。n. 1. 衰微，衰退。2. 朽，腐爛。3. 【無線電】衰變。
  1. The frictional dissipation will introduce an exponential decay.

    摩擦耗散可導致指數式的衰減。
  2. It is easy to show, for an exponential decay, that the uncertainty in the life time is also z.

    很容易證明，對于指數衰減來說，壽命的不確定性也是z。
  3. The useful life curves of gan - based blue led with al2o3 and sic substrate is fit single exponential function [ i = i1 + i2exp ( - t / ) ]. fron this function, we could get aging information of led about stable inteneity 1, decay intensity i2 and decay time. the novel method of evaluating aging properties of leds was put forward

    用單指數函數擬合了發光二極體的光衰減曲線[ i = i _ 1 + i _ 2exp （ t / ） ] ，這個關系式可以給出三個信息：穩定光強、衰減光強、衰減速度，提出了更加合理的評價led老化性能的方法。
  4. This dissertation investigates both existence of traveling wave solutions for delayed reaction diffusion systems and lattice differential equations, and global attractor of spatially discretized fitzhugh - nagumo equations with dirichlet or neumann boundary conditions. for delayed reaction diffusion systems, the existence of traveling wavefronts in diffusive and coorperative system with time delays is provided, firstly ; the monotone iteration scheme, together with upper - lower solution technique, is applied to establish the existence of traveling wavefronts of delayed reaction diffusion systems with some zero diffusive coefficients. secondly, schauder fixed point theorem is applied to some operators to prove the existence of traveling wave solutions in a properly subset equipped with exponential decay norm, which is obtained from a pair of upper and lower solutions for delayed reaction diffusion systems with non - quasimonotoiiicity

    對于時滯反應擴散方程，我們先利用吳建宏和鄒幸福[ j . dynam . diff . eqns2001 （ 3 ） ]中的主要定理來研究時滯競爭擴散lotka - volterra系統波前解的存在性，給出了這個定理在非線性項滿足弱擬單調條件（ qm * ）時在系統情況中的應用；並利用單調迭代方法和上、下解技術，對于具有部分零擴散系數的時滯反應擴散方程建立波前解的存在性定理，對于具有部分零擴散系數的時滯反應擴散方程建立波前解的存在性定理。
  5. Discharge the capacitor to a load after it has charged fully enough, and this produces an exponential decay pulse ( edp ) on the load

    通過開關式穩壓電源產生高壓直流，並控制該電壓對電容器進行充放電就能輸出指數衰減陡脈沖波形。
  6. Global exponential stability of hopfield neural networks with time - varying delay and the estimation of decay rate

    神經網路的全局指數穩定性及衰減速度估計
  7. The change of the micro - hardness along the radial direction approximately coincides with the exponential decay, that is at the edge of the crater the hardness is the highest and decreases with the increase of the distance from the crater and to the normal value at last

    彈孔側壁硬度的徑向分佈近似符合負指數規律，即在緊鄰側壁處，材料因劇烈變形而強化，隨到側壁距離的增加，硬度值降低，直至降到基體材料硬度水平。
  8. Firstly, the equilibrium solution is global asymptotic stability and exponential stability on l2 [ 0, l ] under neumann and dirichlet boundary control conditions, control inputs for choosing the boundary control is bounded in lx, the equilibrium solutions decay to zero and integrating the solution square in [ 0, 1 ], it decays to zero exponentially, by using nonlinear boundary control conditions and input feedback control method

    首先，採用非線性邊界條件輸入反饋控制方法，研究得到該類方程在neumann和dirichlet邊界控制條件下的平衡解在l _ 2 [ 0 ， 1 ]上是全局漸近穩定和指數穩定的、在所選邊界控制下控制輸入是l _有界的、平衡解隨時間衰減到零以及平衡解的平方在[ 0 ， 1 ]上的積分按指數方式衰減到零。
  9. The test results show that both the permeability of sandstone and that of granite with a single fracture decrease with increasing effective stress, following the law of exponential decay. the permeability sensitivity of granite to effective stress is more stronger than that of sandstone, but the permeability recovery capability of sandstone is more stronger than that of granite

    試驗結果表明，在圍壓升降過程中，砂巖和單裂隙花崗巖的滲透率均隨有效應西南交通大學博士研究生學位論文第日頁力的增加呈負指數規律減小，但單裂隙試件的滲透率對有效應力的敏感程度遠大於砂巖，而砂巖滲透率的恢復程度則遠大於單裂隙試件。
  10. Data acquisition and treatment of multiple non - exponential decay

    復雜衰減過程的數據採集與處理
  11. It is easy to show, for an exponential decay, that the uncertainty in the life time is also z

    很容易證明，對于指數衰減來說，壽命的不確定性也是z 。
  12. 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開創性地提出光子晶體這一新概念， yablonovitch指出了有可能實現光子頻率帶隙和局域缺陷模以及許多光電技術方面的應用， john則討論了在無序光子晶體中電磁波的強烈局域現象，並預言在光子晶體中存在許多有趣的量子光學現象，諸如光子局域態、自發輻射的非指數衰減。
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