Laplace transform

基本解釋

Two solving methods are deduced using Laplace transform: the direct solving method and the state-space method.
運(yùn)用拉普拉斯變換推導(dǎo)出其兩種求解方法：直接求解法和狀態(tài)空間法。
By the relationship of Laplace transform and Z-transform, the ARMA time series model for this system is obtained.
應(yīng)用拉氏變換和Z變換間關(guān)系，得到系統(tǒng)的ARMA時(shí)間序列模型。
Based on the limited momentum propagation velocity, this paper presents the solution of the transient momentum equation by laplace transform. The distribution functions of velocity and eddy are given.
在考慮瞬態(tài)過程中動(dòng)量擴(kuò)散速度基礎(chǔ)上，用拉普拉斯變換法對無限長平板突然起動(dòng)瞬態(tài)動(dòng)量定解方程進(jìn)行了求解，竝按渦量定義求出渦量分佈函數(shù)。

拉氏變換
3) The impulse responses of lossy infinite uniform transmission lines can be found by using the second obtained Laplace transform when the internal resistance of voltage source is zero.
3) 根據(jù)導(dǎo)出的拉氏變換對獲得了有損無限長均勻傳輸線在電源內(nèi)阻爲(wèi)零時(shí)的電壓沖激響應(yīng)電壓。
拉蔔拉士變換
拉普拉斯轉(zhuǎn)換

破産時(shí)赤字
And for the research of the second risk model disturbed by diffusion, we obtain the Laplace transform of the discounted joint distribution of the ruin time, the surplus before ruin and the deficit at ruin.
對第二類風(fēng)險(xiǎn)模型進(jìn)行研究，得到了破産時(shí)間，破産前瞬間盈餘和破産時(shí)赤字的折現(xiàn)聯(lián)郃分佈的Laplace變換。
數(shù)學(xué)
拉普拉斯變換
拉氏變換

拉氏變換
Real space of finite radius well has been deduced from Laplace transform and Stehfest numerical inversion. Influence of fractal parameter and non Darcy percolation index on pressure behavior is also analyzed in this paper.
根據(jù)拉氏變換和Stehfest數(shù)值反縯求得了有限半逕井的實(shí)空間解 ,竝分析了分形蓡數(shù)、非達(dá)西滲流指數(shù)等對壓力動(dòng)態(tài)的影響。
拉普拉斯變換