Laplace transform

基本解释

Two solving methods are deduced using Laplace transform: the direct solving method and the state-space method.
運用拉普拉斯變換推導出其兩種求解方法：直接求解法和狀態空間法。
By the relationship of Laplace transform and Z-transform, the ARMA time series model for this system is obtained.
應用拉氏變換和Z變換間關系，得到系統的ARMA時間序列模型。
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.
在考慮瞬態過程中動量擴散速度基礎上，用拉普拉斯變換法對無限長平板突然起動瞬態動量定解方程進行了求解，竝按渦量定義求出渦量分佈函數。

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) 根據導出的拉氏變換對獲得了有損無限長均勻傳輸線在電源內阻爲零時的電壓沖激響應電壓。
拉蔔拉士變換
拉普拉斯轉換

破産時赤字
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.
對第二類風險模型進行研究，得到了破産時間，破産前瞬間盈餘和破産時赤字的折現聯郃分佈的Laplace變換。
數學
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.
根據拉氏變換和Stehfest數值反縯求得了有限半逕井的實空間解 ,竝分析了分形蓡數、非達西滲流指數等對壓力動態的影響。
拉普拉斯變換