波前 的英文怎麼說

中文拼音 [bōqián]
波前 英文
ripple front
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 前 : Ⅰ名詞1 （在正面的） front 2 （次序在先的） first; top 3 （過去的; 較早的） ago; before; preceding...
  1. Successive wave fronts in this case form a series of concentric spheres.

    相繼波前形成了一系列的同心球面。
  2. The entropy density is constant ahead of the shock.

    沖擊波前方的熵密度是恆定的。
  3. The excimer laser diopter correction and aberration correction have been proved efficiency and safety. based on cad / cam, applied optics, ophthalmology, biomedicine and computer techonlogy, this paper studied the principle of excimer laser aberration correction. the conception, cause of formation and representation of wavefront aberration are introduced

    準分子激光治療屈光不正及消除像差的有效性和安全性已被證實，本學位論文將cad 、眼科視光學、波前像差技術、生物醫學技術與計算機技術等多學科理論交叉結合，系統敘述了人眼波前像差理論，包括波前像差概念、表示方法、測量方法和產生的原因等。
  4. At each interface the spreading wave front is made discontinuous.

    在每一分界面上擴展的波前出現間斷。
  5. The radii are proportional to the time which has elapsed since the wave front occupied the position wi.

    半徑與波前占據wi位置以來能經過的時間成正比。
  6. The tidal bore is the front of flood tide as the water lever rises suddenly, it is the result of nonlinear - formed tidal wave under some conditions

    涌潮是水位驟然上升的漲潮波前峰，是一定條件下潮波非線性畸變的結果。
  7. The visx star star 4 combines the technologies of customvue wavescan aberrometer, activetrak 3 - d active eye tracking, iris registration, variable spot scanning and variable repetition rate to provide customized wavefront treatment. in the past, standard lasik corrects refractive errors, such as myopia, hyperopia and astigmatism which are so - called low order aberrations

    威視visx star 4是結合前波前像差分析儀3d眼球主動追蹤系統虹膜定位系統ir iris registration及智慧型超微光斑等技術去提供個人化激光矯視療程。在過去，標準lasik可解決近視遠視及散光等所謂低階像差問題。
  8. It represents the instantaneous traces of the ordinary and extraordinary wavefronts.

    它表示尋常光波前和非常光波前的瞬時軌跡。
  9. Existence of wave front solutions of the delayed reaction - diffustion giu - lawson equations

    方程波前解的存在性
  10. The experimental result expresses that the frequency doubler - power amplifier sets of ka - band can supply good local oscillation source for " millimeter - wave front - end of " lmds " ". the model has the advantages of low cost, small size and high reliability

    實驗結果表明，倍頻放大組件能夠為lmds毫米波前端提供很好的本振源，並且具有成本低、體積小、可靠性高等優點。
  11. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化因子的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案，提出了採用帶標準化因子的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法，即基於householder變換求解法和基於gram - schmidt正交化求解法，用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。
  12. The beam division method in maskless laser interference photolithography can be divided into wave - front division and amplitude division

    摘要無掩模激光干涉光刻中的分束方法一般有波前分割和振幅分割。
  13. So it is urgent to develop the wavefront engineering, and find a new technology to improve the resolution in photolithography

    因此，有必要拓寬波前工程學的研究內容，發展光刻解析度增強新技術和新方法。
  14. The design of dgwfs and the quadratically distorted diffraction gratings is introduced firstly in chapter 1. secondly, based on the prevenient algorithms, the phase retrieval for the novel dgwcs is discussed by comparison, also more analysis is made by examples in chapter 2

    第二章在總結、研究和改進前人理論方法的基礎上，總結了適合光柵型波前曲率傳感器相位恢復的三種演算法，並作了詳細的理論推導、分析和舉例說明，完善了光柵波前曲率傳感器的相位恢復理論。
  15. The multi - pass amplifier was being adopted proverbially, which could improve the output energy consumedly. but on the other hand the beam quality was degraded by the severe wave - front ' s aberration that exacerbated by multi - passing the beam through the amplifier

    多程放大系統因能夠較大提高系統的輸出能力，故得到較為廣泛的應用；但由於多程放大級各類波前誤差的相干疊加，使系統輸出激光的波前發生比較嚴重的畸變，導致光束質量的下降。
  16. If a refraction or a reflecting body is irregular, the wave front undergoes a deformation.

    如果折射體或反射體是不規則的，波前即產生變形。
  17. Thirdly, phase retrieval by use of gerchberg - saxton ( gs ) algorithm based algorithm and phase retrieval by use of a green ’ s function under neumann boundary conditions is applied to dgwfs. the phase retrieval of combinations of zernike is simulated in computer

    第三章分別對基於gesrchberg - saxton法（ gs法）的迭代法和neumann邊界條件的green函數法的波前恢復進行了計算機模擬，並給出了具體程序框圖。
  18. Shock front thickness

    激波前沿厚度
  19. The hottest gas ( higher - energy x - rays, colored blue ) is located primarily in the regions directly behind the shock front

    最熱的氣體（高能x射線，以藍色表示）主要位於激波波前的後方。
  20. In this paper, firstly, the mechanism of laser plasma shock wave ' s form, the basic formula of the theory of shock wave, the state equation of the shock wave in the water and the relation of the parameters of the shock front are studied

    本文首先討論了激光等離子體沖擊波的形成機理、沖擊波理論的基本關系式、水中沖擊波的狀態方程模型以及沖擊波波前參數的關系。
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