均勻點源 的英文怎麼說

中文拼音 [jūnyúndiǎnyuán]
均勻點源 英文
uniform point source
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  1. These leds light sources are not only adjustment and uniformity but also smaller, less expensive, required less power, generated less heat. especially, the pattern of the construct both aggregate and desegregate in design was to realize different light intensity illumination on same biology sample at the same time. the selectivity, work efficiency and experiment veracity have been improve greatly

    該系列光除了具備光強可調、分佈優勢外,還具有波長、波峰寬適宜,以及小巧、價廉、能耗低、發熱少等特,尤其是該生物光在設計時採用的單元組裝模式,使得不同強度的光照能夠在同一批生物樣品上實現,大大拓寬了生物實驗的可選擇性,提高了工作效率和實驗準確性。
  2. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法,它綜合了上述兩種邊界條件的優,在流場的各種邊界處理中取得了非常好的效果,經過模塊化的處理以後這種邊界條件具有更好的實用性;針對網格的lb方法計算效率較低的不足,提出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的數據交換,充分利用計算資提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優,以及它所具有的應用前景。
  3. Guangxi man ting fang fine chemical co., ltd. applies rich local high quality mine and advanced airflow and classification technologies to produce stone powder delivering outstanding qualities of high purity, high whiteness, and equal concentrated grains distribution

    廣西滿庭芳精細化工有限公司利用當地蘊藏量豐富的高品質礦產資,採用先進的分流分級技術所生產的石粉具有純度、白度、高顆粒分佈集中的顯著特
  4. If we could make use of the technology of computer seeing and realize automatic recognition of identifying id card numbers, we should greatly improve the efficiency of id card administration. presently, most recognition systems of id card numbers are based on scanner, but this systems cannot meet the demand of long and real time catching image. this text lucubrates theoretic about image manipulation and pattern recognition and sets up a integrated regnition system of identifying id card numbers. on ccd vedic. concretery consist : ( 1 ) firstly investigating the segmentation about image of illumination asymmetry. due to a dotal lamp - house, the illumination of id card numbers image is asymmetrical

    本文應用了圖像處理和模式識別技術,建立了基於攝像頭的身份證號碼的識別系統。主要研究內容具體包括如下: ( 1 )研究了亮度不的身份證號碼圖像的分割。由於採用進行局部照射,導致身份證號碼圖像的亮度不,因此直接對圖像採用全局閾值進行分割不能有效地分離號碼體。
  5. Kohler illumination was used in proximity lithography, and a fly ' s eye lens was adopted to form multi - point source in order to uniform the light intensity on the mask plane

    摘要接近式光刻中一般採用柯勒照明系統,並採用蠅眼透鏡形成多掩模面的光場分佈。
  6. This paper can put into four parts ? this first part is the description and theoretical analyses of source coding, which focus on the research of optimizing equal quantization ? the second part presents the theoretical description of joint channel - source coding, which focus on the research of combined channel - source coding o the third part is about the application of combined channel - source coding to two different channel models, binary symmetric channel and cdma channel o in this part, two different coding designs are given according to different characters of these two channels ? and the last part is the description of simulation of combined channel - source coding ? most of my work are about two parts, one is to find the most appropriate quantization steps and centroid points of separate channel - source coding, another is to simulate the combined channel - source coding ? comparing the simulation results of separate channel - source coding and combined channel - source coding, the characters of joint channel - source coding are given

    本論文可以分成四部分:第一部分給出了信編碼的基本概念和理論分析,重放在最優量化編碼的研究方面;第二部分給出了通道?信聯合編碼的原理敘述,重放在復合式通道?信編碼的分析研究上;第三部分將通道-信聯合編碼原理應用在兩種噪聲通道上:離散無記憶通道和cdma通道,並根據兩種通道的不同特詳細描述了兩種相應的編碼設計方案;第四部分給出了復合式通道-信編碼的模擬結果以及對結果的相應分析。
  7. The idea is to define a group of flow primitives such as uniform flow, sinking flow, source flow, vertex flow and then synthesize these flow primitives into a complex flow

    該方法定義一組原始流如流、流、匯流、漩渦流等,採用合成的方法合成復雜的水流。
  8. In geometry fitting, we introduce the scattered data interpolation technology, and by using the corresponding points on the shared boundary between the given facial mesh and the organ to be pasted, the facial mesh can be automatically fitted to the organ to be used. and in texture fitting, we extend the improved field - based morphing algorithm to the corresponding texture map, and with the preprocessing of the histogram - matching method we can obtain smooth replacing result in the texture map

    在紋理上,將改進的場變形演算法拓展到人臉模型對應的紋理圖上,不但完成了紋理圖中對應器官區域的替換,同時通過引入以到邊界距離的函數為權重的線性插值,實現了在替換器官區域從目標圖像到圖像的過渡;又通過引入直方圖規定化的技術,解決了由於膚色相差較大而產生的邊界不能平滑過渡的問題。
  9. The application of transverse resonance theory is firstly extended further from plane homogeneous medium to the inhomogeneous spatial region by primarily combining the current martcatili method. then the simplex method is used to calculate the source point " s best position, frequency and the correspond wavenumber of the region

    結合已有的marcatili法,首次將橫向諧振法從平面分層介質中的應用進一步延伸到模擬地殼波導的三維非空間區域中,再利用單純形法,確定在該區域的最佳位置、最佳頻率和對應的傳播常數。
  10. In this paper, a new heterogeneous anisotropic constitutive model of fractured media was presented, and the properties of elastic waves excited from a two - dimensional ( 2d ) point source propagation in 2d fractured rocks were investigated by the pseudo - spectral method ( psm )

    本文提出了一種新的非各向異性隨機裂縫介質本構模型,用偽譜法模擬了二維產生的彈性波在二維復雜巖石中的傳播。
  11. The effects of parallel aligned opening or water - filled fractures on waves propagation were investigated. the results shows that : 1 ) the existence of anisotropic properties of fractured rocks leads to waves conversion and the wave fronts become wider

    通過模擬產生的彈性波在各向同性各向異性巖石中的傳播,研究了平行排列裂縫的存在以及改變裂縫的參數對彈性波傳播特性的影響。
  12. In order to verify the feasibility of the present method, chapter 3 takes the fluid flow of sphere, cylinder and the additive mass of two spheres as three examples, finishes the calculation by disposing the source or sink whose strength is expressed as the format of nurbs and emphatically the processing of the singular integral. it can be drawn from the comparison of the results of present method and the theoretical solution, i. e. a good precision can be gotten under a few collocation points with the method

    為了考查本文方法的可行性,第3章以圓球體繞流、圓柱繞流以及兩個等圓球體在流場中的附加質量作為例子,通過在物體表面布置強度以非有理b樣條表達的匯和著重對奇異積分的處理后完成了相應的計算,從與理論解的比較可以看出本方法的優越:在數目很少的配置下數值解可取得十分良好的精度。
  13. A white point source passes through illuminating system, projecting system and projected evenly upon the filter whose wavelength is varied linearly. the colorful light through the filter is projected on a white object. modulated by the shape of the object, the deformed color pattern which has 3d depth information is captured by a pick - up camera

    該系統採用白色,經過照明系統、投影系統照射到波長線性變化的濾光片上,從濾光片透射出的彩色光條投射到白色物體上,經過物體形狀的調制,由攝像機攝取變形的顏色圖案,它具有三維深度信息。
  14. On the one hand, intra - annual distribution of runoff is extremely uneven with high concentration degree ; while on the other, the variation coefficient and annual extreme value little with weak increase tendency of annual changes of runoff volume but it is relative stable

    分析結果表明:奎屯河流域徑流補給具有地帶性和多樣性特,補給來主要以冰川融水和雨水補給為主;年內分配極不,集中程度高;年際變化相對穩定,變幅小,多年呈微弱增加趨勢。
  15. Abstract : attention is focused on the random mathematical model of particle dispersion in non - uniform turbulent fluid. according to the initial condition, the analysis formulas of point source, linear source and surface source are derived. numerical results are easily obtained by combining linear analytical method with nonlinear numerical method, which are compared with the experimental data

    文摘:研究粉塵顆粒隨機擴散數學模型,在非湍流場中,根據初始條件,推導出,線和面的解析計算式,其數值計算結果與試驗吻合
  16. Attention is focused on the random mathematical model of particle dispersion in non - uniform turbulent fluid. according to the initial condition, the analysis formulas of point source, linear source and surface source are derived. numerical results are easily obtained by combining linear analytical method with nonlinear numerical method, which are compared with the experimental data

    研究粉塵顆粒隨機擴散數學模型,在非湍流場中,根據初始條件,推導出,線和面的解析計算式,其數值計算結果與試驗吻合
  17. By the theoretical derivation, the equation of the vertical homogeneous mixing distance of the continuous and instantaneous point source is developed. the definition of the part depth of homogeneous mixing is given, and its equation is obtained. these equations are verified by the measure data, such as the data of nanjing section in yangtse river, and the results are satisfied

    通過理論推導,分別得到瞬時和連續濃度場在垂向上達到全水深混合的縱向距離的理論計算公式;進一步研究排放口至全水深混合距離之間水域的污染物垂向紊動混合過程,首次提出了部分混合水深的新概念,推導得到部分混合水深隨縱向距離變化規律的表達式。
  18. Also, the unbalanced distribution of subscribers leads to different port consumption levels. to prevent the exhaustion of ports, the node resource in the entire network must be separately monitored

    由於用戶分佈不,對埠的消耗量也不同,為避免網路節埠耗盡,必須對全網各個節分別進行監視。
  19. Simulation research on drift influence of point - source current field in the medium of uniform wallrock

    圍巖介質中電流場的巷道影響模擬研究
  20. 3 ) on the other hand, the gaussian heterogeneous anisotropic random fractured model might be a suitable model for the single - scaled and smooth heterogeneous media. the propagation of elastic waves, excited by an explosive point source in exponential ellipsoidal and gaussian heterogeneous anisotropic random fractured rocks, were simulated

    模擬了爆炸產生的彈性波在指數橢圓型、 gaussian型非各向異性隨機裂縫國防科學技術人學研究生院學位論文巖石中的傳播,討論了具有不同自相關長度的或者不同類型的非各向異性隨機裂縫巖石對彈性波的散射。
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