波前法 的英文怎麼說

中文拼音 [qián]
波前法 英文
frontal method
  • : 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...
  • : 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...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. 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、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,系統敘述了人眼像差理論,包括像差概念、表示方、測量方和產生的原因等。
  2. 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多項式對眼測試進行重建的數學模型;提出了兩種求解方,即基於householder變換求解和基於gram - schmidt正交化求解,用於確定重建模型中的未知模式系數;推導出了該重建模型對斜率測量誤差的傳遞系數。
  3. 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一般有分割和振幅分割。
  4. So it is urgent to develop the wavefront engineering, and find a new technology to improve the resolution in photolithography

    因此,有必要拓寬工程學的研究內容,發展光刻解析度增強新技術和新方
  5. 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、研究和改進人理論方的基礎上,總結了適合光柵型曲率傳感器相位恢復的三種演算,並作了詳細的理論推導、分析和舉例說明,完善了光柵曲率傳感器的相位恢復理論。
  6. 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( gs)的迭代和neumann邊界條件的green函數恢復進行了計算機模擬,並給出了具體程序框圖。
  7. The point blast induced spherical wave is the especial instance of the ellipsoid shock wave. at last, the experimental data in alcohol are in good agreement with the calculated results of the model by analysis of the data of the laser pulse induced the laser plasma shock front by acoustics means

    最後,設計應用聲學方對酒精中產生的激光等離子體沖擊傳播過程進行測試,對兩個不同方向上激光等離子體沖擊測試數據的分析表明,旋轉橢球面的沖擊模型與實驗測量結果相吻合。
  8. The experimental data are in good agreement with the calculated results of the model by analysis of the data of the laser pulse of different energy induced the laser plasma shock front by acoustics means. in addition, the calculated results of the model are in good agreement with the experimental data by optics means

    同時設計應用聲學方對水中不同能量的脈沖激光作用下產生的激光等離子體沖擊傳播過程進行測試及數據分析,對光學陰影方探測的激光等離子體沖擊近場傳播數據進行詳細分析,結果表明新模型計算結果與實驗測量值一致。
  9. Propagation of cross - correlation function in divided - wavefront interferometry

    干涉中空間互相關函數的傳輸
  10. This dissertation investigates both existence of traveling wave solutions for delayed reaction diffusion systems and lattice differential equations, and global attractor of spatially discretized fitzhugh - nagumo equations with dirichlet or neumann boundary conditions. for delayed reaction diffusion systems, the existence of traveling wavefronts in diffusive and coorperative system with time delays is provided, firstly ; the monotone iteration scheme, together with upper - lower solution technique, is applied to establish the existence of traveling wavefronts of delayed reaction diffusion systems with some zero diffusive coefficients. secondly, schauder fixed point theorem is applied to some operators to prove the existence of traveling wave solutions in a properly subset equipped with exponential decay norm, which is obtained from a pair of upper and lower solutions for delayed reaction diffusion systems with non - quasimonotoiiicity

    對于時滯反應擴散方程,我們先利用吳建宏和鄒幸福[ j . dynam . diff . eqns2001 ( 3 ) ]中的主要定理來研究時滯競爭擴散lotka - volterra系統解的存在性,給出了這個定理在非線性項滿足弱擬單調條件( qm * )時在系統情況中的應用;並利用單調迭代方和上、下解技術,對于具有部分零擴散系數的時滯反應擴散方程建立解的存在性定理,對于具有部分零擴散系數的時滯反應擴散方程建立解的存在性定理。
  11. The paper represents the strongest hint yet that the sar administration sees legalisation as the only option

    政府在咨詢文件中作出比以更強烈的暗示,暗示香港除了實行賭化外別無他途。
  12. Two spherical waves and multiple spherical waves interference, and yang ' s interference experiments are simulated by using different methods. two spherical waves interference is focused on the on - plane or out - plane of the spot light source plane and the observing plane. then, we analyze how the temporal coherence of optical waves influence the contrast of the interference pattern

    用光疊加的方實現了對兩列球面干涉、多光束干涉等實驗的模擬;用傳播矩陣描述衍射光傳播的方對楊氏雙縫和雙孔干涉實驗進行了模擬,並具體詳細地分析了單縫衍射對雙縫干涉的影響;另外還分析了光場的時間相干性對干涉條紋反襯度的影響。
  13. The principle, theory, realizing methods for holographic lithography as well as the pattern transfer mechanism among the traditional photomask - hologram mask - resist have been deeply investigated. an experimental system with total inner reflection wavefront conjugation holographic lithography using right angle prism and refractive index matching liquid is designed and built, and the experimental research is carried out

    對全息光刻的原理、理論、實現方及傳統光掩模?全息掩模?抗蝕劑圖形傳遞機理進行了深入的研究,設計和建立了採用直角棱鏡和折射率匹配液的全內反射共軛全息光刻實驗系統,進行了實驗研究。
  14. Currently the measurement and correction of aberration is a focus points in the field of ophthalmology. the examination of wave - front aberration is a main method that is used to observe optical system of the human eye

    人眼像差測量與矯正是目眼科領域的研究熱點之一,而像差測量是觀察人眼光學系統是否完備的一種比較全面的方
  15. At the end of the chapter, the output of hrg is used in the simulation. the result indicates that the eular angle error is lower after flp filtering if proper step size is chosen

    本文還把半球諧振陀螺實際數據引入該演算的模擬,模擬的結果表明,選擇合適的階數可以使flp濾后的歐拉角誤差小於濾
  16. Based on the relationship between the change of the cornea thickness and optical path length, the ablation profile for the correction of wavefront aberration is presented and simulated on computer. the process of scanning - spot excimer laser is studied and simulated on computer. models for calculation of residual wavefront aberration on situations of lateral decentration and torsional misalignment are brought up

    使用改變光程的方建立起像差與角膜切削量之間的關系,並對像差矯正模型進行計算模擬;深入研究了小光斑準分子激光飛點掃描模型,對飛點掃描過程進行計算模擬;提出了中心偏移和旋轉情況下剩餘像差計算模型,為定量研究切削中心定位精度對像差矯正的影響提供了依據。
  17. The transient temperature and thermal stress distribution in disk of heat capacity laser pumped by high power lda are simulated by use of finite element methods, optical distortions and birefringence were computed subsequently

    摘要利用有限元數值方,模擬計算了熱容模式下片狀激光介質的瞬態溫度分佈和熱應力分佈及其畸變和應力雙折射。
  18. Prediction algorithm for atmosphere turbulence with control voltage of deformable mirror

    利用復原電壓預測大氣湍流畸變
  19. 7. based on our crsi and algorithm and double lcslm, an adaptive optical hardware system which c & n be used to model arbitrary complicated wavefront and the compensation of the wavefront can be accomplished was built. and according to the characteristic of a crs interferogram of a step wavefront produced by an lctv, the pixel - level calibration of this system is implemented

    七、採用已建立的空間相位調制環路徑向剪切干涉儀及其重建演算,和位相調制持性已知的兩塊液晶空間光調制器,創建了一套用於模擬產生任意畸變並加以檢測和反饋控制的自適應光學硬體系統,並通過臺階對該系統實現了像素級校準。
  20. This software is composed of three modules : the pre - processing, analysis and calculation and post - processing. in the pre - processing, it includes automatic generation of structural meshes, adding contraints and loads and so on ; in the analysis and calculation, the wave - front is used to calculate and establish data files related ; in the post - processing, strong and visual function of vc + + is utilized to display structural deformation graph, contours as well as color cloud pictures. in this last processing, deformation graphs are divided into two types - boundary deformation graph and entire deformation graph in order to show deformation condition entirely ; contour graph comprises isodisplacement graph and isostress graph ; color cloud picture comprises cloud picture of displacement and that of stress, whose drawing principle is isoparametric mapping method

    該軟體由三個模塊組成,即處理、分析計算和后處理。在處理模塊中,主要包括結構網格的自動剖分、施加約束以及載荷等;在分析計算模塊中,採用波前法計算並形成有關數據文件;在後處理模塊中,利用vc + +強大的可視化功能自動整理計算成果並顯示結構變形圖、等值線圖和彩色雲圖。其中,變形圖分為兩種?外框變形圖和整體網格變形圖,以便能綜合顯示變形情況。
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