色散面 的英文怎麼說

中文拼音 [shǎisǎnmiàn]
色散面 英文
dispersion surface
  • 色 : 色名詞[口語] （顏色） colour
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 面 : 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...
  1. The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order.

    光譜儀用了一塊凹面衍射光柵，第一級光譜的色散度為42埃毫米。
  2. Her countenance, a natural carnation slightly embrowned by the season, had deepened its tinge with the beating of the rain - drops ; and her hair, which the pressure of the cows flanks had, as usual, caused to tumble down from its fastenings and stray beyond the curtain of her calico bonnet, was made clammy by the moisture, till it hardly was better than seaweed

    她的臉本來是一種天然的淡紅色，現在被秋天的太陽曬成了淡褐色，上面落滿了雨點，顏色變得更深了她的頭發由於擠奶時受到奶牛肚子的壓迫，現在已經鬆散開了，亂七八糟地從頭上戴的白色帽檐里披散下來，讓雨水淋得又粘又濕，后來簡直比海草強不了多少。
  3. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。
  4. Our main conclusions are that surface polar interaction can give rise to a transition from a high temperature homogeneous alignment to a low temperature hometropic alignment, that if the strength of the surface polar interaction is weaker than the one of surface dispersion interaction, the homogeneous alignment of the nematic is always stable. part ii : a two - particle cluster theory is presented to study the effect of a solid bounding surface on the nlcs formed by polar molecules

    獲得的重要結論是：摩擦基板與液晶分子間的表面極性相互作用能引起基板間向列相液晶分子指向矢出現高溫沿面到低溫垂面的轉變；當表面極性作用強度弱於表面色散作用強度時，基板間向列相液晶分子平行於基板的排列非常穩定。
  5. Through the analytic continuation of first order perturbation function in the - plane, we have that the integral path of dispersion equation should use the landau path

    。通過將一級微擾函數在整個復頻率平面上解析延拓，得到色散方程中的積分路徑應採用landau積分路徑。
  6. The general nonlinear propagation equations of four - lightwaves in birefringent fibers are deduced. the characteristics of polarization mode dispersion in 4 + 10gb / sdwdm system in dispersion - flattened fibers is studied. our results show that pmd exerts a detrimental influence on 4 x logb / sdwdm system in limiting transmission rate and the channel numbers

    本論文研究波分復用（ wdm ）系統中偏振模色散的影響，主要工作包括下面兩個部分：一、導出了四波長光波在雙折射光纖中傳輸所滿足的一般非線性耦合方程；在此基礎上，研究色散平坦光纖中4 10gb sdwdm系統的偏振模色散特性，並且進一步研究了偏振模色散對不同通道間隔的4 10gb sdwdm系統的影響。
  7. Worn surfaces of sliding pairs were characterized by scanning electron microscopy ( sem ). chemical compositons on the worn surfaces were analyzed by energy dispersion x - ray analysis ( edax ), and profiles and suface roughness of the worn surfaces were measured by stylus profilmetry

    用掃描電子顯微鏡（ sem ）對磨痕表面形貌進行了分析，用能量色散x射線分析（ edax ）對磨痕表面進行化學成分分析，並用表面輪廓儀測定了磨痕表面粗糙度和磨痕表面輪廓曲線。
  8. The equivalent model can describe the inhomogeneity as a result of the modulation of the plasma density ", so we can solve the dispersion accounting for the plasma grating effects more easily

    等效模型把等離子體柵的調制效應體現出來，在求解填充等離子體柵的波導系統的色散關系方面要更為容易。
  9. A study on dispersion characteristics of planar waveguide structures by line method

    直線法分析平面波導結構色散特性的研究
  10. Using the two - stream fluid model, the linear dispersion relation is derived assuming a two - dimensional spatial geometry. two cases are considered, one is that the 2d spatial geometry is defined by the plane containing the two counterstreaming electron populations and the perturbation wave vector ( referred as the xy plane ), and the other is that the geometry is defined by the plane being vertical to the two counterstreaming electron populations ( referred as the yz plane )

    對高能束流和電子迴流構成的雙流系統，建立冷等離子體流體模型，採用簡正模分析方法，分別考慮擾動波矢在平行於電流傳播方向的平面（記為xy平面）上和在垂直於電流傳播方向的平面（記為yz平面）上這兩種情況，推導了不穩定性的色散關系。
  11. The magnetic distribution of a - magnet is presented by analytic way and numeric simulation way. the single particle movement is studied in a - magnet and the movement rule of charged particle in ideal four poles magnetic field also is obtained. quantificational results of the incidence angle, trajectory length and the maximal distance in x direction are presented for ideal trajectory, and the equation indicates some important characters of a - magnet

    論文對-磁鐵的有關物理問題進行了較為詳細的論述，從解析形式和數值模擬兩個方面給出了-磁鐵的磁場分佈，對單個粒子在-磁鐵中的運動進行了分析，利用數值求解方法研究了帶電粒子在理想四極磁場中的運動規律，提出了歸一化運動方程和理想軌道等物理概念，定量給出了消色散的入射角、軌道長度和x方向最大距離的解析表達式。
  12. Abstract : the surface defects of silver coins was analysed with augerelectron spectroscopy ( aes ), scanning electronic microscope ( sem ) and energy dispersive spectrum ( eds )

    文摘:採用掃描電鏡、能量色散譜和俄歇電子能譜檢測方法，對銀幣表面缺陷進行了分析。
  13. In this article, at first, the dispersion conception and generation reason are explained, and the dispersion influences that are brought about in the analog and digital signal transmission in optical fiber communication are accounted for. next, the dispersion theory of optical fiber is discussed in detail and several useful technologies of dispersion compensation are introduced

    論文首先從光纖色散的概念和起因入手，然後從數字和模擬信號傳輸兩個方面，說明了光纖色散對通信的影響，對光纖色散理論作了詳細地闡述和分析，並介紹了幾種已實用的色散補償技術。
  14. The mechanism of the surface change has beenstudied by the xps, sem, contract anglemeasurements. we discuss the roles of the tree main fators playing in the fiber - resin adhesion, and their relation to plasma parameters. the three main factors ars the key mechanical effects, the chemical bonding effcts and nonpolar dispersion force

    表面粘接性能改善的原因是：由表面引入的多種含氧基團引起的化學鍵力和界面非極性分子色散力，由表面刻蝕坑引起的界面機械鉸鏈力。它們對界面的粘接強度的貢獻隨參數而改變。
  15. In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction

    本課程所覆蓋的論題包括：狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、周期結構中的電磁波：光子晶體和負折射率。
  16. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面： 1 、針對頻率選擇性衰落通道：結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法，與傳統方法相比，該方法計算量更小，收斂速度更快，性能更優，且對系統階次的過確定表現穩健，具有實際均衡應用價值； 2 、針對時間選擇性衰落通道：提出一種基於迫零均衡的時間選擇性通道均衡方法，演算法結構簡單； 3 、針對時變色散通道：利用瞬態均值曲線提取通道時變信息，對之ar建模，利用卡爾曼濾波器跟蹤時變通道抽頭變化，可以快速跟蹤通道變化；基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法，提出了新的單輸入多輸出色散時變通道均衡與識別演算法，同樣具有對通道階次過確定保持穩健的優點；結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法；研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題，給出一種時變系統處理模型。
  17. In this paper, on the basis of increasingly mature fabrication technologies of planar integrated waveguide and the optical fiber grating, we make use of not only the ( de ) multiplexing and wavelength router characteristic of arrayed waveguide grating ( awg ), but also the dispersion peculiarity of uniform fiber bragg grating ( ufbg ). then a kind of dispersion compensator, which can compensate the dispersion of the optic signal in every channel in the wdm system respectively, is devised. the method makes the compensation efficiency maximum theoretically

    本文結合近幾年來日益成熟起來的平面集成波導製作工藝和光纖光柵製作技術，利用陣列波導光柵（ awg ）的復用特性和波長路由選擇特性與均勻光纖光柵（ ufbg ）的色散特性，提出了一種能對wdm系統中各分波光信號分別進行有針對性色散補償的補償器件，該器件使wdm系統中各分波光信號所得到的色散補償在理論上達到很高效率。
  18. The major findings are listed below : ( 1 ) the film of 4. 1 ml consists of superparamagnetic nano - cluster with large perpendicular anisotropy and in - plane uniaxial anisotropy. the oscillatory curve of is symmetrical which can be described by a function of sin square

    Iml時，未形成連續薄膜，而是超順磁性的團簇，具有很大的單軸的垂直各向異性和平面單軸各向異性，色散關系曲線是對稱的正弦類曲線。
  19. The analysis for dispersion characteristics of asymmetric supportedbroadside - coupled coplanar waveguides by method of lines

    用直線法分析非對稱支持寬邊耦合共面波導的色散特性
  20. According to wireless and mobile communication system ' s background, this thesis study on estimation of time - varying dispersive channel from four respects : ( 1 ) aid of pilots, ( 2 ) cyclic prefix ( cp ), ( 3 ) blind method, and ( 4 ) ofdm system with multiple transmitting antenna, in which the typical ways is decision - feedback algorithm and self - adaptive block algorithm

    本文以無線和移動通信系統為背景，從四個方面對時變色散通道下的ofdm系統的通道估計和均衡問題進行了研究。第一是基於導頻符號的通道估計方法，第二是基於循環前綴的通道估計方法，第三是通道的盲估計方法，第四是基於多天線ofdm系統的通道估計和均衡方法的研究。
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