湍流起伏 的英文怎麼說

中文拼音 [liúqǐfú]
湍流起伏 英文
turbulent fluctuation
  • 湍 : [書面語]Ⅰ形容詞（湍急） rapid; rushing; torrential; swiftⅡ名詞（急流的水） rapids; rushing waters
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 起 : 起Ⅰ動詞1 （站起; 坐起） rise; get up; stand up 2 （取出; 取走） draw out; remove; extract; pull 3...
  • 伏 : Ⅰ動詞1 （身體向前靠在物體上; 趴） bend over; lie prostrate 2 （低下去） subside; go down 3 （隱藏...
  • 湍流 : 1 （急流） swift current; rushing waters; torrent; rapids 2 [物理學] turbulent flow; turbulence; ...
  • 起伏 : rise and fall; ups and downs; heave rolling; undulate; fluctuate
  1. According to the markov approximation under a long haul condition, we get the inter - correlation function, log - amplitude and phase covariance function. the thesis puts much emphasis on three phenomenon of the laser under the effects of turbulence, i. e., intensity fluctuation ( atmosphere glistening ), beam floating and extension, phase fluctuation

    重點介紹湍流作用下的激光的三種物理現象及其產生機理，即強度起伏（大氣閃爍） ，光束漂移和擴展，相位起伏和到達角起伏。
  2. On the following, on the basis of formulas given above, three kinds of effects due to ionosphere are presented : image shift due to group delay which was caused by the difference between the group velocity and the velocity of light in the ionosphere ; image distortion due to ionospheric dispersion which can create second phase error of lfm signals ; the last, the phase perturbation caused by the irregularities of the ionosphere can reduce the coherent length and affect azimuthal resolution

    文中主要研究了電離層的三種影響：信號經過電離層傳播的群延遲引起的成像偏移；電離層的色散效應給線性調頻信號帶來二次相位誤差，導致圖像退化、失真；以及電離層的閃爍、湍流等不規則性引起的信號相位起伏。在此基礎上，比較分析了不同波段、帶寬條件下電離層的影響。
  3. According to the traditional rytov method, the theory model of modified rytov method is given for plane wave and spherical wave propagation in the atmospheric turbulence, and the characters of optical scintillation for waves propagation along horizontal paths is studied, the inner scale effect is considered, especially. then, the results, calculated by the modified rytov method, is compared with the experiment measurement, it shows that the modified method is suitable in moderate atmospheric turbulence

    本文介紹了光波在湍流大氣中傳播的弱起伏和強起伏理論，從經典弱起伏理論出發，給出了光波在水平傳輸時的修正rytov方法理論模型，分析了在考慮湍流內尺度的影響下平面波和球面波入射時的閃爍特性，在中等湍流區計算結果與最近實驗結果符合得較好。
  4. In this paper the dithering of beam light, the undulating of beam intension, spread of the beam light and the dithering of image are introduced

    摘要文中介紹了激光信號通過隨機大氣通道時，大氣湍流效應造成了光束抖動、強度起伏，光束擴展和像點抖動等現象。
  5. Various turbulence conditions, ranging from weak to strong, are considered as well as the dependence on turbulence strength, propagation length, wavelength, and the inner scales of turbulence are presented

    計算結果表明，相位不連續點的數目不僅與描述光強起伏量的大氣湍流強度、傳輸路徑長度和傳輸光的波長有關，而且還與湍流的內尺度有關。
  6. Angle - of - arrival fluctuation of light beam propagation in strong turbulence regime

    光束在強湍流區中傳播的到達角起伏
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