rectangular distribution 中文意思是什麼

rectangular distribution 解釋
【統計學】均勻分佈。

  • rectangular : adj. 矩形的,長方形的;成直角的。
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖,理論與實驗相吻合
  2. The distribution of magnetic induction in rectangular soft - contact mold during electromagnetic continuous casting ( emcc ) was investigated considering the electric frequency

    摘要研究了在電磁軟接觸連鑄過程中,電源輸入頻率的變化對矩形電磁軟接觸結晶器內的磁感應強度分佈規律和彎月面變化情況的影響。
  3. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  4. When the energy distribution are represented by arbitrary tabulated function ( lf = 1 ), some approximate descriptions ( e. g. simple triangular shape or rectangular shape ) of the energy distribution are applied near the threshold for some nuclides

    一般近似的能譜形狀有三角形分佈(即用三個出射能點且線?線插值描述)和矩形分佈(即用兩個出射能點且矩形插值描述) 。
  5. Powerformer is a new high voltage generator , which use xlpe cable as stator winding instead of rectangular conductor bars , thereby it overcome the shortcomings which the shape of these conductors results in an uneven electric field distribution with high electric field strenghs at the corners especially and prevents the output voltage of the conventional generator from exceeding about 36kv powerformer offers a direct connection to the network without the need for a step - up transformer as a consequence, there are some merits in the total plant equipped with powerformer, such as high effiency, high availability, low maintaining cost and giving less environmental impact

    Powerformer是一種新型的高壓發電機,它採用電纜代替矩形導體作為定子繞組,從而克服了矩形導體電場分佈不均勻,特別是在矩形導體在導體拐角處電場過于集中而使常規發電機的輸出電壓等級不能高於36kv的缺點,使其能夠直接和輸配電網相聯,這樣就不需要升壓變壓器,同時也使裝配powerformer的電廠具有如下優點高效率、可利用率提高、維修費用降低和降低了對環境的負面影響。
  6. Through the flume experimental research, the velocity distribution formulas for rectangular open channel have been found, including parabola form of velocity distribution on the vertical and power form of mean velocity distribution on the transverse direction ; meanwhile, the means of ascertaining correlative coefficient have been given in this paper

    摘要通過對明渠流速的水槽試驗研究,建立了矩形斷面明渠沿垂線流速的拋物線分佈公式和橫向平均流速的乘冪函數分佈公式,同時給出了相關系數的確定方法。
  7. At last, three - dimensional mathematical model of gas - particle two phase turbulence was established, and it was adopted to study the gas - particle two phase rectangular jet as well. the distribution of the time - averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results ; the coherent structure of flow field was described in the three direction, the evolution and motion of the eddies was discussed too ; the dispersion of fine particles in the three dimensional space was also investigated

    全面地分析了矩形射流氣相時均流場的速度、湍流強度的空間分佈規律,並就部分數值模擬結果與實驗結果進行了對比研究;描述分析了氣相流場湍流擬序結構,對流向、橫向和展向三個方向旋渦的空間結構特點進行分析研究,並分析了流向渦隨時間變化的發展、運動規律。
  8. On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models

    論文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域,在對評價區域的含水層分佈、邊界條件和動態特徵等水文地質條件分析的基礎上,概化了其水文地質條件,構建了相應的地下水資源評價概念模型與數學模型,並給出其數值解法和相應的計算流程;論文在介紹數學模型的兩種常用數值解法和模型空間離散的矩形網格生成技術的基礎上,實現了基於gis的評價模型空間離散矩形網格的自動生成;最後,論文從基於gis的評價模型基本信息管理、模型空間時間離散方法、子程序包與模型計算參數可視化賦值、模型的擬合等方面實現了gis與評價區域的地下水資源評價模型的集成,並將模型評價結果可視化。
  9. The algorithm of construction of a fractal interpolation surface patch based on rectangular patch is presented in the modeling, the construction algorithms of osteons and volkmann canals are designed, and the distribution of volkmann canals, the size and structure of osteons can be regulated and controlled according to different area, so it can satisfy the needs of the internal microstructure model

    在建模中,提出了矩形平面片生成分形插值曲面片的演算法,完成了骨單位、浮克曼管的構造演算法,並實現了根據不同區域對浮克曼管的分佈、骨單位的大小、結構等特徵進行靈活調控,以滿足內部微細結構模型的要求。
  10. By comparing between the rectangular groove and curved groove, we find that two high stress area of rectangular groove o - ring occurs during the sealing period, and the wearing on the both inside and outside diameter surfaces ; the high stress area only happens at the part area of cone shaft, and the distribution of stress is more even than the former, and the wearing is on the inside diameter surface, the improvement of its distortions makes the service life of sealing lengthen

    通過矩形槽和弧形槽的對比研究發現,矩形槽o形圈在密封過程中出現兩個高應力區,磨損發生在內徑、外徑兩個表面_匕,弧形槽o形圈的高應力區僅出現在牙爪軸鄰近的局部區域內,應力分佈較前者更為均勻,磨損進發生在內徑表面,其受力變形狀況的改善將使密封壽命進一步提高。
  11. Then the bulging model of hemisphere and rectangular box were built and simulated on const strain forming to research the thickness distribution

    建立半球形和盒形件的有限元模型,進行等應變速率脹形的模擬,得到壓力-時間曲線。
  12. With the favor of these techniques, the static pressure distribution along the length and the velocity profile at the mini - channel exit were obtained. with the data of more than 500 flow states based on 13 kinds of mini straight rectangular channels that their heights were 0. 5mm and 1. 0mm, the effects of characteristic scale, surface roughness and the aspect ratio of rectangular on the characteristics of flow resistance of mini straight channels were studied

    採用在沿程測量氣流靜壓分佈、在出口測量速度分佈的方法,對高度0 . 5mm和1 . 0mm的13個微小直矩形通道的500多個狀態流場進行了測量,研究了特徵尺度、表面粗糙度、橫截面寬高比等因素對微小等直通道流動阻力特性的影響。
  13. Temperature distribution in concrete - filled steel tubes with rectangular cross section under three - side fire

    三面火災作用下方鋼管混凝土柱溫度場研究
  14. Taking beam with rectangular section as an example, the corresponding analytical solution of beam subjected to cosine distribution pressure is given through constructing the stress function satisfying all boundary conditions and biharmonic equation, which is a base of beam subjected to arbitrary distribution pressure

    摘要以矩形截面簡支梁為例,通過構造一個滿足所有邊界條件和雙調和方程的應力函數,給出了梁受餘弦分佈力作用情況下相應的解析解,這為求解梁受任意分佈壓力作用下解的問題打下了基礎。
  15. If applied experiential formula mechanically to calculate the dynamic moment of the tri - eccentric butterfly vavle, its errors for the results would be larger. the paper, by virtue of the postulate of flow with fixed constant, eddiless of ideal liquid, calculated laplace equation by finite difference method in rectangular coordinates, gained pressure distribution on the butterfly disc section, thereby figured out its dynamic moment under each opening angle and the method was feasible for calculating dynamic moment of symmetry or not, designed the program and described the curve of dynamic moment. finally, the paper infered their laws

    採用經驗公式來計算三偏心蝶閥的動水力矩,誤差比較大,本文根據三偏心蝶閥的結構特點,利用理想流體的定常、無旋流動的假定,用有限差分法在直角坐標系中求解拉普拉斯方程,得到蝶板截面上的壓力分佈,從而計算出蝶板在各個開度下的動水力矩,設計出了求解的程序,給出了程序運行的結果並進行了數據處理從而得到了動水力矩曲線,總結了它的變化規律。
  16. Two kinds of simulation model to calculate the hitting probability of cargo - projectile are built up, which are the direct simulation of firing errors of cargo - projectile and the simulation of firing errors combined with numerical integretion. specific method to calculate the hitting probability of both round and rectangular aim are given, so are the generation of normal distribution vector and uniform distribution vector

    給出了對圓形目標和矩形目標的具體計算方法,以及正態分佈隨機向量和均勻分佈隨機向量的產生方法,根據算例的結果,討論了子彈重迭度對子母彈首發命中概率的影響。
  17. Thereafter, a new kind of compound rectangular coil is proposed to apply to acfm. after its electromagnetic field distribution is analyzed in detail, the measurement scale is given. all the study can be used as the academic base to study the acfm syste m further

    在此基礎上,本文提出將一種新型復合矩形線圈應用到交變磁場測量技術中,並重點研究了復合矩形線圈激勵下電磁場分佈特性,討論了缺陷檢測的數值范圍。
  18. In the first step, we treat the actual periodical distribution function as the rectangular periodical distribution function approximately

    首先把密度周期性分佈的等離子體柵等效為沿軸向按某一周期分佈的均勻介質盤。
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