radial distribution method 中文意思是什麼
radial distribution method
解釋
徑向分佈法- radial : adj 1 光線的；光線狀的。2 放射的，輻射（狀）的。3 鐳的。4 【數學】半徑的；【物理學】徑向的；【解...
- 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...
- method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
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In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。 -
We also derived the relationship between the radial local density distribution and the observed line integral density distribution by fourier integral transform. on this basis, the density inversion calculation is realized through fft method and is independent of abel inversion
另外，本文還著重推導了線積分密度分佈和徑向體密度分佈之間的傅立葉積分變換關系，並利用快速傅立葉變換實現了完全拋開abel反演公式的密度反演計算。 -
The simplified method of load lateral distribution of curved beam bridge with non - radial bearings
非徑向支承彎梁橋荷載橫向分佈的簡化計算 -
The back / forward sweep method is the most popular algorithm for loaf flow solution of radial distribution systems
摘要前推回推法是放射形配網潮流計算最基本的演算法。 -
The 29 f globular clusters in the galaxy are selected as samples in my paper ( the space distribution and motional orbits of the samples have not been researched in detail before. ). according to the basic parameters : azimuth coordinates, distances from the sun, radial velocities and proper motions of sample clusters, the initial positions and velocities of the samples are reduced using the galactic coordinates, and their orbits are integrated by numerical method for three different galactic gravitational potential models
本文選用銀河系中29個累積光譜型為f型的球狀星團作為樣本（這些樣本星團的空間分佈和運動特徵都沒有被詳細地討論過） ，根據它們的基本資料：方位坐標、日心距、視向速度，絕對自行等參數，歸算處理得出了各樣本星團的空間分佈和運動速度。 -
Through the mathematical evaluation or derivation of this algorithm, a novel newton based power flow method with a direct factorization formulation of jacobian matrix is proposed for radial distribution systems
通過對前推回推法求解過程的數學演化，導出一種新的牛頓類型的演算法及其雅可比矩陣直接分解公式。 -
Firstly the phase is extracted from interferogram by filtering and displacing frequency spectrum. then the wavefront and the line integral density are recovered by using fft or polynomial fitting method. lastly the radial local density distribution is calculated from the fitting curve of line integral density by the abel inversion
首先對干涉圖進行頻譜濾波，用頻譜移頻法從干涉圖中提取相位，然後用快速傅立葉變換或多項式擬合實現波面重建，計算線積分密度，再利用abel積分變換從線積分密度的擬合曲線中反演徑向體密度分佈。 -
Tests on a practical radial distribution system have shown that, the proposed method is as robust as, but more efficient than the back / forward sweep method
文中以一個實際的中等規模配電系統為例，分析、比較前推回推法、導出的近似牛頓法、經典牛頓法等的收斂性和計算速度，證實上述研究結論。 -
The content including : ( 1 ) according to the radial structure and multilayer characteristic of distribution network, a novel layer - by - layer backward / forward sweep method id developed. the branch power / voltage loss of the same layer can be parallel computed without relabeling buses and branches, that greatly increases the speed of load flow calculation
其主要內容如下： （ 1 ）針對配電網路的樹狀結構和層次特性，研究了一種新穎的分層前推回代潮流演算法，該演算法不需要網路節點和支路的特殊編號，可以并行計算同一層次所有支路的功率損耗和電壓損耗，從而大幅度提高了潮流的計算速度。 -
Some polymeric grin lenses have been prepared by this way in cllapter 4, the radial distribution of refractive index of the prepared lenses is measured by the shearing interference method, which provides experimental support for the manufacture of micro - lenses
第四章主要對本課題組已製成的聚合物grin球透鏡的折射率分佈進行了測量，對測量結果進行了分析，並對制備過程中工藝條件的改善提出了一些可行性建議。 -
Two network analysis and operation algorithms for balanced radial distribution systems, called forward - backward sweeping method of power flow solution and real - time control of capacitors installed on distribution systems, are presented in this thesis. distribution networks have characteristics such as mesh network on planning and radial networks on operation. the radial topology of distribution networks has been fully exploited such that a systematic branch and node numbering scheme is utilized to achieve storage and computational economy
本文對配電網路中電壓的調整，就電容器投切控制問題進行了深入的研究，在前人研究成果的基礎上，針對配電網路結構特點，提出了採用前推回推法計算配電網路潮流，對配電網路就地補償電容器的控制採用模糊控制技術，對全局優化控制採用逐次線性規劃演算法。 -
Forward - backward method is usually used in radial distribution networks. in weakly meshed distribution networks compensation current method is used. it open the loops on some nodes, on the open points compensation currents are used to simulate the power flow before opening
其中之一是採用配網潮流計算中常用的前推回推法計算輻射狀網路潮流，對於弱環網的處理時採用補償電流法，其思想是將環打開，在開環處以一電流源模擬開環前的狀態。 -
Unit method measuring gas concentration distribution and rotary radial - jet dispersing accumulating gas
單元法測定瓦斯分佈及旋轉射流驅散積聚瓦斯 -
Electromagnetic field distribution of radial magnetic bearings and axial magnetic bearings in magnetic levitated hard disk drive are analyzed and calculated through fea method and ansys software ; electromagnetic field is measured on radial magnetic bearing stator of magnetic levitated hard disk drive, the results of fea and measurement are compared, the basic principle of electromagnetic field distribution is concluded
使用有限元方法和ansys軟體對磁懸浮硬盤的徑向軸承、軸向軸承的電磁場分佈進行了分析和計算；以磁懸浮硬盤徑向軸承定子為對象進行了磁場測量，並將有限元計算結果和實測結果進行了比較和分析，得出了磁力軸承電磁場分佈的基本規律。 -
The emphasis on the applications of constrained regularization method is the identification of weight density distribution of hanging cable and rotating shaft, inversion of particle size distribution from light scattering data, the reconstruction of the atomatic radial distribution in exafs spec - troscopy
其中，我們的重點是約束正則化方法在懸索與旋轉桿的重力密度識別、顆粒粒徑分佈的光散射反演、 exafs光譜學中原子徑向分佈的重構等問題中的應用，並同時進行了數值試驗。
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