迭加流 的英文怎麼說

中文拼音 [diějiāliú]
迭加流 英文
superposed stream
  • 迭 : Ⅰ動詞（輪流; 替換） alternate; change Ⅱ副詞1 （屢次） repeatedly; again and again 2 （及） in tim...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  1. The former was related to mn doping, both of p - carries supplied by la3 + or oxygen hole and n - carries induced by changing mn4 + into mn3 + can be locally displaced and simultaneously response with external electric field., furthermore due to the overlaps between positive and negative carries. the latter was due to the phase transformation between orthorhombic and cubic, which was in fact the curie point

    前者為la ~ （ 3 + ）和氧空位等產生的p型載流子和mn離子變價引入的n型載流子在外電場下發生局域重排產生的載流子極化，且由於正負載流子的迭加效應所致，該介電峰與mn離子的摻入相關；後者為體系出現相應的正交與立方結構的轉變所致，也即居里點。
  2. The potential flow theory is then applied to the overlap of the slipstream and the flow over the wing

    用位流理論來處理螺旋槳滑流與機翼繞流的迭加。
  3. The detail is clarified as follows : l ) based on the chaotic technology and contemporary encryption approach the paper put forward a new chaotic sequence, which introduced the m - sequence and the method of shrink key - the stream generator. the complexity of the sequence was promoted as the random alteration of the parameters of chaotic mapping, and at the same time, the shrinking key was used to enhance the security further more ; 2 ) the performance of one - way hash function was improved and new hash function construction methods are proposed through a novel hash method based on chaotic mapping and the aes - the rijndael algorithm. the algorithm of hashing messages of arbitrary length into 256 bits hash values was designed

    按照這種方法，輸出序列的周期性得以大大提高，理論分析和計算機模擬結果表明，該方法可以產生具有良好統計特性的密鑰流，而且易於軟硬體實現： 2 ）實現了一種基於混沌映射和分組密碼rijndael演算法的單向hash函數的構造方法，即使用logistic混沌映射產生混沌二值序列，序列的分組與明文序列分組進行按位異或后，進入rijndael加密模塊，所得的結果再加入到反饋端，參與下一分組輸入的異或運算，迭代結束時的rijndael加密結果即為所求的hash函數值。
  4. Climate in this valley changes sharply with vertical difference and rainfall increases with the height. calculation indicates that the design day rainstorm amount reaches 133mm, the rainfall intensity of day storm reaches 6. 05mm / h, the design storm peak discharge is 239. 7m3 / s and 753. 0

    在計算泥石流峰值流量時，因考慮到泥石流固體物質的前期含水量、泥石流堵塞斷流增加的暴雨徑流量、泥石流間歇性陣流的迭加流量都會使泥石流流量增加，需要在計算公式中引入一個泥石流流量積累系數。
  5. By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion

    由此得出結論，在非線性磁場計算中：採用迭代法的情況下，在各迭代循環之間進行磁導率修正時，一個欠鬆弛迭代過程是必需的；對永磁體中的等效電流修正時可以不作欠鬆弛迭代；在純鐵的磁化曲線上指定某一個固定的磁感應強度為磁飽和值，會使得插值求出的磁導率在該磁飽和值附近有一突變，這一突變對計算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統設計中，由於微波管磁路比較復雜，作者認為磁體的工作點並不能很好地反映磁體的工作狀態，而採用平均磁能積為衡量磁體工作狀態的標準更加符合微波管磁系統的實際情況；要表示磁系統設計好壞的程度，則用磁能利用的效率為標準更好。
  6. The findings show that there exists overlap between macroscale convergence and warm advection if the degree of clock - wise turn dosen " t keep constant on both sides of zero doppler velocity contour about the near range of the observational site. the overlap produces vertical vapor transport and upward convergence movement favorable for formation and continuation of rain gush

    結果表明：零速度帶在測站近距離兩側的彎曲程度不一致是暖平流與大尺度輻合運動的迭加所造成，這一結構為暴雨產生和維持提供了有利的水汽垂直輸送和輻合上升運動。
  7. When dealing with the relationship between tributary and main channel during flood routing, the general method is to add the discharge of tributary to that of main channel of the same instant

    在處理洪水演進過程中支流與幹流洪水的相互影響時，以前的模型僅將支流流量迭加到幹流同時刻的流量上。
  8. This paper proposes a novel method for reactive power pricing. the superposition theorem is used to calculate the contributions of individual generators to loads in a given status and the active and reactive power price of loads is determined by cost apportioning

    該方法在某一的潮流運行點下，對電網進行等效，利用迭加原理，分別計算此時各電源對負荷的電流貢獻，然後再求得其對負荷的功率貢獻，最後依據成本分攤進行電價計算。
  9. In every load node, load is processed as an equivalent grounding resistant, thus formulating a simple circuit. a refined genetic algorithm combined with the idea of tabu search used in distribution networks reconfiguration to reduce loss is presented in this thesis

    其基本思想是將每一負荷都看作一個迴路，將負荷等效成一接地阻抗，再加上環路，共同形成迴路阻抗矩陣，進而迭代求解網路潮流。
  10. There are two parts in this paper : firstly, a set of single doppler velocity models are presented for typical ambient windfields that include those of being uniform horizontally, macroscale convergence and divergence, which overlap warm and cold advection. which are marked by different signatures in the single doppler velocity field. the models proposed can help users identify useful information from the dopple velocity patterns

    本論文包括兩個部分：第一篇通過對典型風場的單多普勒天氣雷達徑向速度圖象進行模擬，典型風場包括水平均勻一致的風場、非均勻水平風場的大尺度運動的輻合輻散風場以及大尺度運動的輻合輻散風場與冷暖平流的迭加等。
  11. Recently, clusters with distributed memory are popular for parallel computing systems, and mpi is the actual standard of message passing programming. therefore, the application of clusters based on mpi to computational electromagnetics is studied in this dissertation. the methods are mom based on the integral equation method in conjunction with the preconditioning technique to speed up the iterative solution and a matrix order reducing method, namely the characteristic basis function method ( cbfm )

    目前，分散式內存的集群系統是并行計算系統的主流系統， mpi是消息傳遞編程實際上的標準，本文即研究了基於mpi的集群技術在計算電磁學中的應用，採用的方法主要是基於積分方程的矩量法，並結合了加速迭代的預條件技術以及一種矩陣降階方法? ? cbf方法。
  12. The reason that the noise is lower with inclining tongue is : 1 ) both the radius of the tongue and the gap between the tongue and the blade are changed across the wideth ; 2 ) the phase angle between blade and the tongue is changed across the wideth, therefore the peak value of the noise do not appear at the same time, so the peak value of the noise with inclining tongue is much lower than the straight one. the influence of the expanded angle of the shell of the fan on the noise was invested experimentally, and the optimal angle was got

    傾斜蝸舌降噪的主要原因是：一是改變了從氣流入口側到風機輪盤的蝸舌間隙和蝸舌半徑；二是改變了葉輪與蝸舌非定常相互作用的相位差，使其產生噪聲也有相位差，迭加的結果進一步降低了噪聲。另外，試驗研究了不同蝸殼擴張角對風機噪聲及效率的影響規律，蝸殼擴張角選擇當否，對效率和噪聲影響較大。
  13. So the sta ( static timing analysis ) step and the iteration between synthesis and p & r ( place & route ) were integrated in the dsm design flow

    因此，需要在深亞微米設計流程中加入靜態時序分析環節，以及邏輯綜合和布局布線之間的迭代過程。
  14. It is approved that the deficiency level keeps relatively the lowest and the dielectric constant however shows the highest, if the contents of mn3 + and la3 + are comparatively the same. on the contrary, the dielectric constant decreases with increasing the contents difference of mn3 + and la3 + ions. the effect of overlap appeared when the dielectric loss was aroused due to the activation of positive and negative carries at certain temperature, which brought abnormally high dielectric loss

    證實了材料在mn ~ （ 3 + ）含量與la ~ （ 3 + ）含量相當時體系中產生的缺陷相對最少，其介電常數最大，反之隨兩者含量偏差的增大而下降；材料中由正負兩種局域載流子在一定溫度下激活過程中產生的損耗出現了迭加效應，給出了異常的高損耗值;材料中隨著mn摻量的增大，體系提供的3d電子數增多，電子輸運通道改善，導電性提高。
  15. Cour and silting characteristics of debris flows - because of resistance decrease due to supernormal pore water pressure, intermittent debris flows can be accelerated on mild slope in the superimposable processes of several debris flows

    ?泥石流的沖淤變化特性?泥石流多陣迭加過程中出現超載孔隙水壓力使龍頭阻力降低，在緩坡上能夠加速運動，說明泥石流龍頭迭加具有加速效應。
  16. The explicit method is widely used for its simpleness and little memory consumed with local time step and variable coefficients implicit residual smooth to accelerate the convergence procedure. according to yoon and jameson ' s ideas, an efficient implicit lu - sgs algorithm is carefully constructed by combing the advantages of lu factorization and symmetric - gauss - seidel technique in such a way to make use the l and u operators scalar diagonal matrices, thus the numeric algorithm requires only scalar inversion. the computational efficiency is greatly improved with this scheme

    顯式方法具有簡單，消耗內存小等優點，並採用當地時間步長、變系數隱式殘值光順等加速收斂措施，在定常流動的模擬中得到了廣泛的應用;根據yoon和jameson提出的簡化正、負矩陣分裂，構造的l 、 u運算元只需進行標量對角陣求逆，極大提高了流場數值求解過程的計算效率;採用newton類型的偽時間子迭代技術使時間推進精度提高至二階。
  17. Beginning with the equivalence principal, two types of near - field to far - field ( nfff ) transformation s are discussed systematically, i. e. frequency - domain nfff ( fd - nfff ) and time - domain nfff ( td - nfff ). in td - nfff transformation, the concurrent - processing approach is used, where the contributions to far - field from the tangential electric current and magnetic current on the equivalence surface are calculated " on - the - fly " in step with the fdtd simulation. as a result, it is not necessary to store the tangential current components for every equivalence surface at every time step, and therefore reduce considerably computer storage required for the td - nfff transformation

    在理論部分，本文從電磁場的等效原理出發，系統、詳盡地論述了頻域和時域近遠場變換的基本思想，在時域近遠場變換中採用實時的變換方法，即每進行一個時間步的迭代，就計算一次等效面上該時間步的切向電流和切向磁流對遠場各方向的貢獻，這樣就使時域近遠場變換不需要儲存等效面上每一個時間步的切向電流和切向磁流，大大減小由於近遠場變換而增加的計算機內存需要量。
  18. The results based on the experiments under steady current and under current - wave interaction show that it is necessary to analyze the dynamic conditions of wave and current in calculation of scour depth around practical bridge piers

    同時，通過單向水流和波浪水流兩種情況沖深結果比較，指出在預測波流共同作用下的大型橋墩局部沖深時，不應將兩種動力條件進行簡單的迭加，而應具體問題具體分析。
  19. Frank shu of the university of california, san diego has conjectured that jets of gas or a strong wind generated by the newborn sun hurled into space molten dust particles from the inner disk

    加利福尼亞大學聖迭戈分校的弗蘭克?蘇曾猜想，由新生的太陽產生的噴射氣流或者一種強風把熔化的塵燼微粒從內層圓碟拋至了太空中。
  20. In the thesis a new count expression of mesh fractal dimension is introduced, on the basis of it the storage and operation counts of directs solution methods, assembly global stiffness iterative methods and ebe iterative methods have been analyzed and compared, a conclusion has been obtained that the storage and operation counts of direct solution methods is the most, the storage counts of the ebe iterative methods is the least. estimating compute scale for ebe iterative methods at shuguang 2000 parallel computer, it is make out that compute scale is large in the extreme if make the most of the memory of every processor. by analyzing the parallel compute performance of 2d upend - step flow calculation, it is proved that ebe iterative methods can achieve upper speedup rations

    本文還提出了一種網格分維新的計算公式，並基於網格分維對直接解法，組集總剛矩陣的迭代解法和基於ebe的迭代解法等三種方法的存儲量和計算量進行了分析和比較，得出了直接解法無論存儲量和計算量均最大，基於ebe迭代解法存儲量最小的結論；在曙光2000并行機上估計了基於ebe迭代解法的計算規模，說明只要充分利用各處理機的內存，可解問題的規模是非常巨大的；對二維倒臺階流并行計算進行了性能分析，表明基於ebe策略的迭代解法能獲得較高的加速比。
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