laplace transform 中文意思是什麼
laplace transform
解釋
調和變換-
Through the laplace transform method, the author has a systemic study on the tolerable differential settlement of the bridge approach with and without approach slabs
本文通過拉普拉斯變換對設和不設搭板路橋過渡段的容許差異沉降進行了系統研究。 -
In order to overcome the difficulty mentioned above, this paper provides an improved heat transfer equation and a mended bem for the problems. first of all, the enthalpy and the " virtual temperature " are introduced into the paper to eliminate several mutative thermophysical properties in the heat transfer equation. secondly, the movement of the boundary between the solid and liquid phases in the billet is educed by virtue of the laplace transform
這些改進包括：引入熱焓和「虛擬溫度」的概念，對非常數的熱物性參數進行整合：充分考慮鑄坯凝固潛熱釋放帶來的影響，利用「溫度回升法」來加以處理；利用拉氏變換和反拉氏變換的原理來對凝固過程中鑄坯內部固液相界面的移動方程進行了推導和求解，在凝固過程中充分考慮鑄坯內部的固液兩相的影響等等。 -
Ordinary differential equation, first order differential equations, 2nd order differential equations, power series solution of differential equation, laplace transform, fourier series and transform, matrix, eigen value problem, partial differential equation
常微分方程式、一階微分方程式、二階微分方程式、微分方程式級數解、拉氏轉換、復利葉級數與轉換、矩陣、本徵值問題、偏微分程式。 -
Methods of queueing analysis in traditional theory are based on mature theory. laplace transform is a crucial mathematical tool which is used by classical methods
傳統的排隊理論中，分析排隊的方法有很成熟的理論，經典方法是利用拉普拉斯變換來處理，前提條件是拉普拉斯變換要存在。 -
Dynamic weighing system is as a second - order system and set it up model, then has its transform function laplace transform and z transform, at last has a formula that m is only relation to the system parameters. this article has system identified with the recursive least square ( rls ) method, and has the system parameters, while the auto - regressive - moving - average ( arma ) model for the second order weighing system is firstly derived. and has a equation which the mass is only correlation to the system parameters
論文具體分析了定量稱量問題，首先是把稱量系統看作是一個二階系統，建立數學模后，進行拉普拉斯變換和z變換后得出一個質量僅與系統參數有關的關系式，從而把稱量問題轉化為一個系統參數識別問題來解決。通過編寫的程序來採集系統信號並進行處理（運用漸消遞推最小二乘法）對系統參數進行識別，從而得出稱量結果。 -
The difference between these two algorithms is that the former uses sub - domain as the basic unit of task to be allocated and the latter uses the node - super - row as the basic unit of task. ( 6 ) the original problem is transformed into transformed domain by using laplace transform method. by the parallelization of the bem in the transformed domain, the parallelization of the elasto - dynamic be analysis is implemented by introducing the time related fimdamental solution, the time dependency is released from the formation of time - domain be equations
（ 6 ）通過拉氏積分變換法將彈性動力問題轉換至變換域，通過變換域上邊界元的分佈并行處理實現了彈性動力邊界元分析的并行化；引入與時間有關的基本解，解除了時域邊界元系統方程組形成階段的時間順序依賴性，通過矩陣向量運算的分佈并行處理實現方程組時間步進求解方法的并行化，這種方法是一種部分時間并行演算法。 -
In the fourth section, we obtain the laplace transform of the waiting time of the three queues and the mean waiting time of them by using the results of the second section
第三章考慮的是一個兩個隊輸入的帶決策時間的非絕對優先的月b d 1系統，這是一個時間離散的排隊系統。 -
Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given
分上橋和下橋兩種情況，考慮車路耦合和橋面沉降坡差的影響，對車輛通過設和不設搭板的路橋過渡段時「人?車?路」系統的相互作用用拉普拉斯變換法進行了動力響應分析，得到了人的加速度及路面對車的垂直作用力隨時間的變化曲線、人的加速度最大瞬態振動值和路面對車的最大作用力，分析了車輛的行進方向、速度和載重，橋面沉降坡差和搭板長度等車和路各參數對計算結果的影響，並編制了相應的計算程序。 -
In this paper, laplace transform is applied to solve a solution of mixed question which satisfies the second boundry condition of the wave equation
摘要本文應用拉普拉斯變換，求出了一個波動方程第二邊界條件的混合問題的解。 -
Internal and external stability conditions for fractional order linear time - invariant systems are given using laplace transform and residue theorem
運用拉普拉斯變換和留數定理，給出並證明了分數階線性定常系統的內部和外部穩定性條件，並討論了其相互關系。 -
In phase 1, the dynamical properties in the time and frequent domains of the simple, two - degree - of - freedom models of passive, " sky - hook " and " ground - hook " damping suspension systems are examined by laplace transform
從理論上分析了被動阻尼、 「天棚」阻尼、 「地棚」阻尼懸架系統的時域和頻域動力學特性。 -
Firstly, by the method of laplace transform, one dimensional consolidation of one - layer gibson soils under time - depend loading is studied and the analytical solutions in frequency domain are obtained. on the basis of the solutions obtained and the computation through programming, the influence of some parameters and loading conditions on the consolidation behavior under trapezoidal, triangular and rectangular cyclic loading, is investigated. secondly, one - dimensional consolidation of one - layered gibson soils with semi - pervious boundaries is studied in this paper, and according to numerical examples, some characters of consolidation such as the effective stress and settlement in the soils under arbitrary loading are found
首先運用了laplase變換獲得了單層gibson地基（壓縮模量隨深度線性增加的地基）在任意荷載下頻域內的一維固結解析解，通過laplace逆變換，基於以上解答用數值方法編製程序對單層地基在常見荷載（驟加荷載、緩加荷載、矩形波載、三角形波載）作用下的一維固結性狀進行了討論，並與傳統的太沙基理論進行了比較。 -
Calculation of non - proportionally damped isolated structure by using laplace transform method
用拉普拉斯變換方法求解非比例阻尼隔震結構 -
In this paper, by means of the notion of likelihood ratio and log likelihood ratio the limit properties of the sequences of dependent continuous random variables are studied, and a class of strong limit theorems represented by inequalities are obtained. in the proof an approach of applying the tool of laplace transform to the study of strong limit theorem is proposed
本論文繼續這方面的工作，利用似然比、對數似然比的概念研究相依連續型隨機變量序列的極限性質，得到相應的用不等式表示的強偏差定理。證明中提出了將laplace變換的工具應用於強極限定理研究的一種方法。 -
The prevailing approaches depend on costly time domain convolution, using the frequency domain network parameters such as s - parameter, y - parameter or abcd parameters to find analytic solution, and finding the time domain approximations by fft or even numerical inversion of laplace transform ( nitl ) if there are a large number of nonlinear devices in the network
目前盛行的方法是採用費時的時域卷積法：首先運用諸如s 、 y 、 abcd的頻域網路參數求出頻域解析解，然後通過快速福利葉變換（ fft ）得出時域近似解，如果網路中存在大規模的非線性設備，還需要採用數值逆拉普拉斯變換（ nilt ） 。 -
Finally, to consider the effect of the compression of the approach embankment to the determination of the tolerable differential settlement, this paper, considering the flexible pavement as viscoelastic multilayers and dividing the moving traffic load into fourier series, presents the formulation and the application of a combination of transfer matrix and laplace transform and fourier transform approach to evaluate dynamic response of the flexible pavement subjected to a moving traffic load under modified plain - strain condition. the predictive capability of the model are verified by the laboratory model
為了考慮車路耦合對路橋過渡段容許差異沉降確定的影響，本文將柔性路面視作粘彈性體層狀體系，採用修正的平面應變模型，將移動的車輛荷載用傅立葉級數展開，用傳遞矩陣配拉氏變換和傅立葉變換法進行了移動荷載作用下柔性路面動力響應分析，並用模型試驗證明了理論分析結果的正確性。 -
By using the method of separation of variables and limited fourier and laplace transform, the analytical results are obtained
運用分離變量法和有限傅立葉變換和拉普拉斯變換，將系統運動微分方程轉換為線性方程組，求出撓度和內力解析解。 -
When time domain solutions are required, the laplace transform method is straightforward
當需要時域解時，拉氏變換方法也是很直接的。 -
Iec1000 - 3 - 3 flicker analysis is very powerful. the user may display ut, pst, dt, dmax, etc, while the test progresses. the system architecture allows the xitron power analyzers to perform half cycle measurements as well as the laplace transform
Iec1000 - 3 - 3閃爍分析具有強大的功能，當測試進行時，可顯示ut pst plt dt dmax等系統結構使xitron功率分析儀能進行遂個半周期測量及拉普拉斯變換 -
Generalized voigt model was used to simulate the visco - elastic property of soil surrounding pile and the relationship between settlement and time of pile embedded in layered soil was investigated. a corresponding semi - analytical solution was obtained by laplace transform method and fourier inverse method. the parameters in the generalized voigt model were connected with the conventional geotechnical parameters of soil and the behavior of pile settlement was then analyzed and discussed
進而借鑒樁基動力分析中的平面應變模型參數的取值方法，將廣義voigt體模型中的參數與土體的基本物理力學參數相聯系，使得參數的選取具有一定的確定性和準確性，並進一步分析討論了各參數的變化對單樁沉降性狀的影響。
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