turbulent propagation 中文意思是什麼

turbulent propagation 解釋
紊流傳播
  1. We have the following results through simulation and experiments : i ) turbulent structure constant of atmosphere decreases with altitude ; ii ) turbulence induced power scintillation decreases with the optical wavelength ; iii ) scintillation of space - to - ground optical propagation is smaller than that of horizontal optical propagation ; iv ) power scintillation of space - to - ground optical propagation increases with wavelength ; results above are accord with existent theory. what ' s more, the last result discovers a new rule

    通過對數學模型和模擬結果的分析，得到以下結論： a ）大氣湍流結構常數隨海拔高度的增加而迅速減小； b ）由湍流引起的光功率閃爍與波長呈反比； c ）空-地激光通信的光功率閃爍小於地面水平傳輸的閃爍； d ）空-地激光通信的光功率閃爍與波長呈正比；上述結果與理論保持一致。
  2. A distract model has been firstly established to simulate the turbulent flame propagation speed for the dual fuel engine in this paper

    本課題還首次建立了湍流火焰傳播分形模型，計算雙燃料發動機燃燒過程中湍流火焰速度，以評估發動機結構參數和運轉參數對燃燒過程的影響。
  3. A mathematic model of basic ignition advance angel is built according to double - district burn model and the turbulent flame behavior propagation model. through the emulational calculation, we can get the initial ignition advance angel map graph of the motorcycle ’ s efi system, and the results also showed well consistent with the stand experimental results which adopted the domestic 125ml motorcycle gasoline engine

    在結合汽油機雙區燃燒模型和湍流火焰傳播模型的基礎上，建立了基本點火提前角數學模型，運用在國產125ml摩托車發動機上，模擬得出此發動機電控噴射系統的初始點火map圖。
  4. Interference simulation of laser beam propagation in turbulent atmosphere

    激光在湍流大氣中的干涉模擬
  5. And we also make the simulation of space - to - ground optical propagation by using the software of matlab, including scintillation, turbulent structure constant of atmosphere and spot of horizontal optical propagation

    並用matlab語言實現了對空-地激光傳輸的光功率閃爍、大氣結構常數以及湍流大氣中的水平激光傳輸遠場光斑的計算機模擬模擬。
  6. Since the effects of turbulent atmosphere is prominent, this thesis concentrates on the effects of the turbulent atmosphere on the laser beam propagation in the atmosphere. the atmosphere refractive index model, especially refractive index fluctuation, power spectrum, phase spatial structure constant are introduced in the following and the specific structure function is achieved

    根據大氣折射率模型，以及折射率起伏功率譜密度和相位空間結構常數，得到具體的結構函數；通過長程情況下的馬爾科夫近似，得到了互相關函數，對數振幅和相位協方差函數。
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