truncated gaussian 中文意思是什麼
truncated gaussian
解釋
高斯截短曲線-
The window function of circular hard - edge apertures is simulated and optimized by the laguerre - gauss truncated series, and applied to study the diffraction of gaussian beams and 0 - order bessel - gaussian beams by the hard - edge aperture
摘要用拉蓋爾高斯截斷級數模擬了任意半徑的圓孔硬邊光闌窗口函數，並應用於研究高斯光束和零階貝塞爾高斯光束通過硬邊光闌的衍射。 -
The results of stochastic simulation indicate : ( 1 ) the reliability of simulating result is quite different by different simulation methods ; ( 2 ) sequential indicator simulation is a much more preferable way for the simulation of complicated heterogeneous reservoirs than truncated gaussian simulation, ( 3 ) the result of the former is more reliable matching with the true cases, while the latter shows a lower accuracy
結果表明： （ 1 ）不同模擬方法建立的微相分佈模型的可靠程度不同； （ 2 ）截斷高斯模擬不能真實再現相序關系復雜的微相分佈，結果出現局部失真現象； （ 3 ）序貫指示模擬適用於非均質性復雜的低滲儲層微相展布的描述，結果具有可信性和預測性。 -
Utilizing a new truncated gaussian beam, maximum smoothness and minimal thermal effect are the goals
最終的目標是利用一種新的縮短了的高斯電波，最平滑和最少熱效應。 -
The results of the axial and transversal intensity distributions of gaussian beams and 0 - order bessel - gaussian beams show that the results by the optimized laguerre - gaussian truncated series are in good agreement with those by the fresnel diffraction integral method if the integration plane is not close to the aperture
對高斯光束和零階貝塞爾高斯光束的軸向和橫向光強分佈的計算結果表明：當積分面不是很靠近光闌時，用參數最佳化選取的拉蓋爾高斯截斷級數法與用直接數值積分所得結果符合很好。 -
Chapter 3 : in this chapter, the propagation characteristic and focusing properties of elegant hermite - cosh - gaussian ( ehchg ) beam through a finite aperture are investigated. the variance of the beam width, the generalized analytical expression of mg2 - factor and the power fraction of the truncated beam are derived theoretically and illustrated numerically
第三章：討論了eleganthermite - cosh - gaussian （ ehchc ）光束通過有限孔徑的傳播特性和聚焦性質，得到了其光束束寬， m ~ 2因子及能量分數的解析表達式，並分析了影響光束參數的因素及其變化規律。 -
Abstract : in order to discuss the adaptability, advantage and disadvantage of various stochastic simulation for sedimentary micro faces of reservoir are analyzed, and truncated gaussian simulation and sequential indicator simulation, which are generally used in quantitative description of reservoir, will be adopted to simulate the framework of faces of a low permeable reservoir for the comparative study of different simulation technologies
文摘:為了對儲層沉積微相不同隨機模擬方法的適應性及其優劣進行量化分析，以低滲透儲層為例，採用普遍使用的截斷高斯模擬和序貫指示模擬技術，進行了沉積微相定量描述的對比研究。
分享友人