球面光波 的英文怎麼說

中文拼音 [qiúmiànguāng]
球面光波 英文
spherical light waves
  • : 名詞1 (以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體) sphere; glo...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
  • : 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...
  • 球面 : spherical surface; sphere球面艙壁 spherical bulkhead; 球面車床 spherical turning lathe; 球面反射...
  1. In the displacement measurement based on the principle of laser interference, the gaussian quadrics fitting algorithm is used to fix the central position of facula and raise the location accuracy

    在基於兩干涉的長度和距離測量實驗中,運用高斯二次曲擬合演算法為激斑的中心坐標定位,提高了斑的定位精度。
  2. 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,設計應用聲學方法對酒精中產生的激等離子體沖擊前傳播過程進行測試,對兩個不同方向上激等離子體沖擊前測試數據的分析表明,旋轉橢的沖擊模型與實驗測量結果相吻合。
  3. Secondly, the formula of the shock front of the spherical wave in the air is extended to the model of circumrotated ellipse and the process of the shock front of in the water in term of the transmitting characteristic of the laser plasma shock wave in the air

    其次,從空氣中激等離子體沖擊前的傳輸特性出發,將空氣中點源爆炸沖擊前衰減傳播公式推廣到非中心完全對稱情況,提出旋轉橢沖擊前傳播公式;建立水中的激等離子體沖擊前衰減傳播模型。
  4. Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing

    文摘:說明了的索末菲公式在坐標轉動下不協變.證明了的駐表示是協變的,因而是一個物理的關系式,故適用於圓柱坐標中各類動方程的定解問題.作為一個例,應用於學,導出了受導簡正模和輻射模的表達式,以及各模式的強度分佈
  5. Here, the spatial distribution of fresnel diffraction field and different talbot effects of sinusoidal grating are presented, under three different illuminating conditions. especially, we discussed some interesting properties about fresnel diffraction field and talbot image, when sinusoidal grating is illuminated by divergent spherical wave

    特別地,我們討論了發散照明的情況下,菲涅耳衍射場和泰伯像所具有的一些有趣的性質,如場的放大作用,泰伯效應存在的條件等等。
  6. 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

    前疊加的方法實現了對兩列干涉、多束干涉等實驗的模擬;用傳播矩陣描述衍射前傳播的方法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;另外還分析了場的時間相干性對干涉條紋反襯度的影響。
  7. The paper studies mainly a new kind of measure method of aspheric surface - laser wavelength - scanning interference testing method

    本文主要是研究一種新的非檢測方法?激長掃描干涉測試方法。
  8. Point diffraction interferometer - a physical idea, is invented by smartt and strong in 1972, advanced by smartt and steel, and used to test astronomical telescope, it has simple structure and has not special demand to source. recently. with the development of fiber ' s manufacture and coupling technology. the simple modern fiber ' s center is smaller than before, this make it possible to progress fiber point diffraction interferometer ( pdi ), in addition to test convergent wavefront, it can test the reflective concave. the excellence of pdi is that it does not need standard mirror. in intereference testing, the standard mirror is the main reason which limit the improvement of precision, pdi can avoid difficulty to provide the wide future for high precision testing. pdi, which produce the standard sphere wavefront, is an instrument which realize the phase shifting with piezoelectric transducer ( pzt ), and collect the interferogram with ccd, in this paper, a adjusting methord is described, then data processing is obtained

    點衍射干涉儀這一物理思想,早在1972年smartt和strong就已發明,由smartt和steel做了進一步發展,並成功的用於檢測天文望遠鏡,它結構簡單,對源沒有特殊要求,近年來,由於纖製造工藝以及耦合技術的發展,單模纖纖芯不斷縮小,為纖點衍射干涉儀得以發展提供了前提條件,該干涉儀由激照明,除了檢測會聚前外,還可以用來檢測反射凹,進而應用到單個形的檢測;另外,纖點衍射干涉儀最大的優點是不需要標準鏡,在干涉檢測中,標準鏡是檢測精度受限的很大原因,纖點衍射干涉儀能繞開這一難度,為進行高精度的學檢測提供了廣闊的前景。
  9. In this paper, we summarize the present testing level of optical aspheric surface, expound the principle of laser wavelength scanning interference testing method, and analyze the laser that can be tuned, and we also study the change of wavelength. further more, we achieve the elementary design of experiment device, curtly introduce the method for interference fringe processing and image processing by matlab

    本文對目前國內外的學非的測量現狀作了概略的敘述,給出了激長掃描干涉測試方法的原理,對長可調諧的激源進行了分析,對激長的變化進行了研究,對實驗裝置進行了初步的設計,對干涉條紋圖處理方法進行了研究,並通過編寫matlab軟體語言對干涉圖進行了數字化處理。
  10. In this paper, we summarize the present testing status of optical aspheric surface, expound the principle of laser wavelength scanning interference testing method, and analyze the laser that can be tuned, and we also study the change of wavelength. further more, we achieve the elementary design of experiment device, and curtly introduce the method and principle for interference fringe processing

    本文對目前國內外的學非的測量現狀作了概略的敘述,給出了激長掃描干涉測試方法的原理,對長可調諧的激源進行了分析,對激長的變化進行了研究,對實驗裝置進行了初步的設計,並對干涉條紋圖處理的方法和原理進行了簡單的介紹。
  11. Based on the fresnel diffraction integral, the analytical expression for the field distribution of converging spherical waves passing through an annular aperture is derived and some special cases are discussed

    摘要基於菲涅耳衍射積分公式,推導出了會聚通過環形闌后場分佈的解析公式,並討論了一些特殊情況。
  12. A new algorithm is then derived, in which the factor of spherical wave front is removed explicitly. thus the propagation of a focused beam could be evaluated indirectly from propagation of an unfocused beam

    文中對此作了分析,進而提出了一種新演算法,將因子提出,然後將會聚束的傳輸過程轉化為非會聚束的傳輸過程,從而間接求得了聚焦束的場分佈。
  13. So a computer - aided alignment method for a series of reference lens is studied in detail in this paper. based on analyzing the optical quality affecting factors and optical design, the folio wings are described in detail in this paper : ( 1 ) how to choose merit function of optical quality in terms of the specific reference lens, and sensitive structure parameters to optical quality would be determined according to their tolerance data ; ( 2 ) discussing the relationship between the aberrations and the misalignment of reference lens ; ( 3 ) building the mathematical model for the misalignment optical system, and then calculating the misalignment value by the alignment software compiled on zemax and matlab platforms ; ( 4 ) experiments are made to examine the computer - aided alignment method. the theoretical and experimental data and plots are given in the paper

    本文在分析標準透鏡的設計及其學質量的影響因素基礎上,開展了以下四個方的研究: ( 1 )根據系列標準透鏡的具體結構特點,選擇透鏡的質量評價指標,研究標準透鏡的公差分佈,確定敏感結構參數; ( 2 )研究學質量評價指標與失調量之間的函數關系; ( 3 )建立數學物理模型,根據的實測結果,求解待調系統的失調方位和量值,研究原理上實現計算機輔助裝調的可能性,在zemax和matlab平臺上編寫輔助裝調軟體; ( 4 )建立實驗裝置,實際研究標準透鏡的計算機輔助裝調方法,文中給出相應的理論分析及實驗數據和曲線。
  14. 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。
  15. This thesis in theory deals with electromagnetic wave scattering by multilayered confocal and non - confocal spheroidal particles illuminated by gaussian beams, in which the main contributions are as follows : 1. in the case of multilayered confocal spheroidal particles, the scattered fields as well as the fields within each layer are obtained in terms of infinite series with spheroidal vector wave functions by using an appropriate expansion of the incident gaussian beam. by virtue of the boundary conditions, we write the set of equations for determining the unknown expansion coefficients and then solve it

    本文從理論上研究了多層共焦和非共焦橢粒子對高斯束的散射,主要成果如下: 1 .我們研究了多層共焦橢粒子對高斯束的散射,把入射高斯,散射場,各層橢內的電場和磁場用適當的橢矢量函數展開,應用電磁場邊界條件,寫出確定各展開系數的方程組,求出散射場系數,進而求出散射場及散射截
  16. The interferometric zone plate is the essential of hoes, which is the interference between plane wave and sphere wave, can focus the light beam by diffraction, instead of the way which conventional lens or concave mirrors do

    摘要干涉式帶板系由平兩道干涉而成,為研究全像學元件的基礎,其可經由繞射作用達到聚焦效果,猶如使用傳統凸透鏡或凹鏡所產生的效果。
  17. This research is aim at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage. for example, the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing, and the sensitive interferential system to the disturb, such as the oscillation of worklable, dithering of air, and so on

    研究的目的主要是針對大型高精度非形檢測中干涉儀的參考路和測量路較長,干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感,干涉圖不穩定等問題,提出了激長掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化長對應的干涉圖的處理和分析,克服了上述缺點,為大型高精度非的檢測提供了一種適用的方法。
  18. The paper studies mainly a new kind of measure method of aspheric surface - laser wavelength - scanning interference testing. this research is aimed at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage : the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing and the sensitive interferential system to the disturb, such as the oscillation of worktable, dithering of air, and so on

    研究的主要目的是針對在大型高精度非形檢測中干涉儀的參考路和測量路較長,干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感,干涉圖不穩定等問題,提出了激長掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化長對應的干涉圖的處理和分析,克服了上述缺點,為大型高精度非的檢測提供了一種適用的方法。
  19. ( 1 ) basic mathematical model for recording and numerical reconstruction of digital hologram is elaborated. the core of digital holography is the algorithm of numerical reconstruction. two different approaches for numerical reconstruction of digitally sampled holograms are investigated, namely the fresnel transform algorithm and the frequency domain algorithm, which are deduced from the diffraction theory of spherical wave and plane wave respectively

    ( 1 )從理論上詳細闡述了數字全息圖記錄與再現的基本原理,建立了數字全息圖記錄和數值再現的數學模型,根據衍射的和平理論,給出兩種不同的數值再現思路,即頻域再現法和菲涅耳變換法。
  20. Theoretical analysis and results of computer simulation show that the proposed method is not only feasible but also simple comparing with classic method. secondly, in connection of hidden danger in security due to symmetric system, a novel encoding techniques is proposed with spherical wave illumination based on asymmetric system

    其次,針對現有學加密系統的對稱性給系統安全性能所帶來的隱患,在4f系統的基礎上,不增加系統元件的情況下,提出了一種用照射非對稱準傅立葉變換系統進行學圖像加密的新方法。
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