essa 中文意思是什麼
essa
解釋
埃薩-
The traditional non - essa only gives a max value of. but when the is very small, the non - essa ' s speed will become slower and result will bring error
當計算出的值較小時,非精確隨機型演算法的速度會很慢,甚至出現誤差。 -
Because the stochastic algorithm depends much on the random number generator, we also introduce how to implement all kinds of generator in detail. the non - essa has their application range
由於隨機型演算法對隨機數產生器有較大的依賴,在論述隨機型演算法時介紹了隨機型演算法中用到各種隨機數產生器的實現方法。 -
In this context, the nlo properties of three kinds of essa ultrathin films are investigated systematically in terms of experiment and theory. the main contents are list in the following : based on the traditional z - scan theory and the huygens - fresnel ( h - f ) diffraction integral principle, we present a double - sided film z - scan theory that is suitable to characterize the nlo properties of the double - sided nonlinear mediums
本論文從實驗和理論上系統地研究了三類靜電自組裝超薄膜的光學非線性,主要研究內容如下:在已有的z - scan理論基礎之上,基於惠更斯-菲涅耳衍射積分原理推導出了適合於表徵雙面非線性介質光學非線性的雙面膜z - scan理論。 -
Nano - sized electrostatic self - assembly ( essa ) multilayer ultrathin films, due to their unique structures, usually exhibit better nonlinear optical ( nlo ) properties than that of bulk materials
納米尺度的靜電自組裝多層超薄膜,由於其獨特的結構特徵,往往表現出優于體材料的非線性光學性質。 -
Researching on the nlo properties of the essa films can deepen the understanding about the interaction regularity between the light and the materials in nano - size. in addition, it can further direct the design, optimization and synthesize of the nlo materials
研究其非線性光學性質,一方面可以加深人們對光與納米尺度材料相互作用規律的認識,另一方面可以指導非線性光學材料的設計、優化、合成。 -
The nlo properties of the essa films were measured with the ns / ps laser by using the z - scan technique. the materials c60 derivatives ( mono - adduct tmaf, tri - adduct ttaf and hexa - adduct thaf ) and pss act as the positive charged electrolytes and opposite electrolyte, respectively
利用納秒和皮秒激光脈沖作為光源,採用z - scan技術測量了以c60衍生物(單加成tmaf 、三加成ttaf和六加成thaf )為正電荷電解質, pss為負電荷電解質的靜電自組裝薄膜的光學非線性。 -
Three theoretical models including the equivalent single - sided film z - scan theory, the cascaded structure model, and the double - sided film z - scan theory are used to characterize the experimental data. the fitted results show that the double - sided film z - scan theory is more suitable to characterize the nonlinear experimental data from the double - sided essa films
將單面膜等效z - scan理論、串級結構模型以及雙面膜z - scan理論用於分析實驗數據,結果表明雙面膜z - scan理論比單面膜等效z - scan理論和串級結構模型更適合於雙面自組裝薄膜非線性實驗數據的模擬分析。
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