激波位置 的英文怎麼說

中文拼音 [wèizhì]
激波位置 英文
shock position
  • : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
  • : 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 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
  1. This paper analyses the coupling wastage in columniform wave guide gas laser, and gives the function between the coupling wastage of laser guide modulo eh11 and the position and radius of reflector

    摘要分析了圓柱形導氣體光器中的耦合損耗,給出了最低階導模eh11的耦合損耗與反射鏡、曲率半徑的函數關系。
  2. The fixed expansion points of the general shroud allow a better definition of local shock locations than on ogive type shrouds.

    一般外殼的固定膨脹點能比蛋形外殼更好地限定局部
  3. On one hand, is the product of beam waist radius and half divergence angle, wavelength is not involved. so there is possibility to compare the acutal focusing ability among laser beams with different wavelength. on the other hand, is a calculated result by measuring experiment, and it is more brief and persuadable than m 2factor, since the latter one is a ratio with basic mode gauss beam

    論文研究論證了用值評價光光束質量的實際意義在於兩個方面,一方面它僅僅包含了光束束寬和發散角,不涉及長的因素,使不同光束的可加工能力具有可比性;另一方面,值是根據對光束傳輸路徑上不同處束寬實際測量結果的計算值,比其在與基模高斯光束進行比值計算得到的m2因子更簡潔、更有說服力。
  4. Under visible light excitation titanic acid and titanate sodium nanotubes showed a relatively intense emission, which red shifts with the increase of excitation wavelength. under humid conditions this photoluminescence of titanic acid nanotubes was not stable. the intensity decreased, and the emission peak was at 480nm, which cannot shift with the change of excitation wavelength

    鈦酸和鈦酸鈉納米管在使用可見光發時,都能產生光致發光現象,當使用不同長的可見光發鈦酸和鈦酸鈉納米管時,能夠得到不同強度的發光譜帶,且發光峰的隨著發光的變化發生較大范圍的移動。
  5. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體光器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的光器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩長、閾值增益隨光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與光器結構隔開,分別對這兩種情況下的結果進行了討論。
  6. In order to better detect the image edge information, firstly, non ? linear median filter technology of characteristic direction was applied to filter out the gauss noise ; secondly, ( 3, 1 ) biorthogonal spline wavelet was used as the primitive wavelet filter, adopting lifting scheme to build the most superior biorthogonal wavelet filter, and applying the superior biorthogonal wavelet to the multiresolution wavelet edge detection ; at the same time, floating threshold was defined and applied to the image edge detection, and the image edge position was located accurately

    光探測系統中,微弱的回圖像淹沒在強背景噪聲中,為更好地檢測這類含噪圖像的邊緣信息,首先應用特徵方向非線性中值濾技術,濾去高斯噪聲;其次,選擇( 3 , 1 )雙正交樣條小作為原始小器,採用提升方案構造最優雙正交小器,應用構造的雙正交小進行多尺度小邊緣檢測;同時,通過定義浮動閾值,並應用於圖像邊緣檢測,較準確地定了邊緣
  7. In order to better detect the image edge information, firstly, non - linear median filter technology of characteristic direction was applied to filter out the gauss noise ; secondly, ( 3, 1 ) biorthogonal spline wavelet was used as the primitive wavelet filter, adopting lifting scheme to build the most superior biorthogonal wavelet filters and applying the superior biorthogonal wavelet to the multiresolution wavelet edge detection ; at the same time, floating threshold was defined and applied to the image edge detection, and the image edge position was located accurately

    光探測系統中,微弱的回圖像淹沒在強背景噪聲中,為更好地檢測這類含噪圖像的邊緣信息,首先應用特徵方向非線性中值濾技術,濾去高斯噪聲;其次,選擇( 3 , 1 )雙正交樣條小作為原始小器,採用提升方案構造最優雙正交小器,應用構造的雙正交小進行多尺度小邊緣檢測;同時,通過定義浮動閾值,並應用於圖像邊緣檢測,較準確地定了邊緣
  8. The optical and electrical properties of the composites of porous silicon / alumina and organic luminescence materials ( pvk, alqs, dbo - ppv ) were also discussed. the pl spectrum of the composite of porous silicon and pvk showed the peak that belonged not only to porous silicon but also to pvk. at the same time, a new peak was found locating at x = 485nm

    研究發現,多孔硅pvk復合體系的pl譜兼具有多孔硅和pvk的發光峰,同時在485nm的出現了一個新的峰,同時,採用不同的長可以獲得不同的pl譜峰型,這可以從多孔硅和pvk的發譜中得到解釋。
  9. This paper also give the chemical equilibrium simulation results of hypersonic air flows around a pellet, the place of shock agrees with experiment result. use the program, i give the result of the layer condition in the shock tube

    在一維數值模擬基礎上建立了二維化學平衡流程序,對cardc再入物理彈道靶中進行的圓球繞流試驗進行了數值計算,計算的激波位置與試驗一致。
  10. There are errors during the measurement for both methods. the wavelet is introduced to de - noise the measured coordinates due to its sensitivity to the white noise on different scales. more precise coordinates of the cabin could be got after de - noise by wavelet

    西安電子科技大學博士論文3 .由於立體視覺和光全站儀測量得到的坐標均有誤差,採用小去噪技術降低測量誤差,可更精確地確定饋源艙的及運行軌跡。
  11. The mutual excitation between the local stimuli satisfying the rules of curve distribution ( position and orientation continuity ) called curve self - excitation is a useful method to discover and enhance curves and to inhibit noise. the present approaches used parallel connection structure division which did not acquire satifactory effect. this paper presents the idea of random time division and dynamic self - excitation, for different curves performing random time - division searches, time coincidence filtering, and self excitation accumulation. the principle is given

    利用空間分佈滿足曲線規則(和定向連續性)的局部刺之間的相互勵,稱為曲線自,這是發現視覺邊界曲線和抑制局部噪聲的有效手段.過去的工作均採用并行結構區分的計算方式,曲線自並沒有達到滿意的效果.本文提出隨機時分動態自的計算方案,對不同的曲線實施隨機時分的搜索、時間一致性濾、和自積累等機制.本文給出了實現的原理方案
  12. It is found that the intensities of high harmonic generation for both cases are similar, but the short - range potential atom does not radiate the low - order harmonic spectra, and the ionization probabilities of the long - range and short - range potential atoms as a function of the laser intensity are obviously different

    在強光場中,長程勢原子和短程勢原子產生的高次諧對應的平臺和截止相同,但是短程勢原子沒有低階的高次諧,而長程勢和短程勢原子在光場中的電離幾率明顯不同。
  13. Finally, by using split - operator method to solve time - dependent schrodinger equation of two - dimensional atom in intense laser field, we calculate high order harmonic generation and ionization probability of two - dimensional atom in intense laser field and compare our results with those of one - dimensional atom with same binding energy. it i & found that the cutoff position of high order harmonic generation obtained by using these two models are same, but there are great differences in ionization probability

    ) dinger方程,研究了兩維模型原子在強光場中的高次諧和電離幾率,並與具有相同基態能量的一維模型原子所得的結果進行了比較,結果表明,用這兩種模型所得的高次諧的截止相同,但電離幾率有很大的差異。
  14. The computational results given by s2df under the same conditions of experiments agree well with the experiments data not only the static pressure distribution but also the position of shock

    計算的結果不論從葉表靜壓分佈還是,與實驗的結果都相吻合。這表明了s2df程序氣動計算的可靠性。
  15. As far as input coupling devices concerned, we design a feasible taper coupler by means of the theory of waveguide coupling and outside cavity waveguide laser and make decision of the sizes of the lens and the taper coupler, and the relative distance of them. the focus of the lens is 65mm and the radius is 5mm. the length of the taper coupler is 15mm, and the radiuses of the input and output ends separately are 17mm and 0. 65mm

    在輸入耦合器方面,藉助于導耦合和外腔式光器的相關理論,設計了工藝上可行的錐型耦合器,確定了透鏡、耦合器的尺寸以及耦合器與透鏡的相對:耦合透鏡的焦距為65mm ,直徑為srnm ,耦合器的長度為15mm ,輸入端直徑為17mm ,輸出端直徑為0
  16. The calculation of the position of the shocks for the domain decomposition of the hyperbolic approximation is discussed. it is the matching stable problem for the different schemes in the different domains with different mesh size. after tracing the position of the shocks, the artificial compression method are applied to eliminate the smearing effect and to raise the resolution of the schemes. in the boundaries of each regions, the universal connected matching stable schemes are inserted in so as to make the schemes between different regions matching stable each other. at last, some numerical examples are presented

    討論在計算中的區域分解法,即在不同區域中應用不同網格及格式的耦合穩定性問題.先定出激波位置,再在附近小范圍內,用低階格式及人工壓縮方法以消除彌散效應.在區域外,應用高精度格式,減少了過超振蕩現象,提高了解析度.在各區域交界應用全能穩定聯接格式,解決了格式的耦合穩定問題.最後舉出數值計算實例,計算結果與理論分析符合
  17. It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed

    瞬變電磁法( transientelectromagneticmethod )是一種時間域的電磁勘探方法,利用階躍或其它脈沖電流場源勵,在大地產生過渡過程場,斷電瞬間在大地中形成渦旋交變電磁場,測量這種由地下介質產生的二次感應電磁場隨時間變化的衰減特性,從測量得到的異常分析出地下不均勻體的導電性能和,從而達到解決地質問題的目的。
  18. Firstly, in the thesis, the highway surface track - detecting system being researched by the cooperation of our group with the nanjing university of science and technology has been summed up. sequentially according with the characteristics of the image data captured by the ccd linear array at a high speed, various noise filtering methods are compared in detail, and the effective methods to filter the data in this system is concluded, the filtering program to process the image data is written by turbo c + + 3. 0

    第二部分為6 、 7 、 8章,從分析本實驗室和南理工合作研究的高速公路路面車轍檢測系統著手,結合該系統中用線陣ccd高速採集的光光斑圖象數據的特點,通過對各種不同噪聲濾方式下處理后圖象的比較,最終得出了在我們的路面車轍檢測系統中行之有效的濾方法。
  19. Led light - induced fluorescence spectra of whole blood, erythrocyte and hemoglobin are obtained in the case of different concentration of blood cells solution with various excitation wavelengths. the intensity and peaks of the spectra from 430nm to 700nm depend strongly on the concentration of blood cells

    通過改變發光長和血細胞濃度,獲得了led光誘導全血、紅細胞和血紅蛋白產生的熒光光譜,其光譜覆蓋了430 700nm段,且光譜強度和峰值均與溶液濃度有較強的依賴關系。
  20. The theory research on the location of a frequency doubling crystal in a double - pass intracavity frequency doubling laser

    雙程腔內倍頻光器的諧晶體腔內的理論研究
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