間斷波 的英文怎麼說

中文拼音 [jiānduàn]
間斷波 英文
discontinuity wave
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 間斷 : be disconnected; be interrupted; interval; leapfrogging; disjunction; break hiatus; hiatus; inter...
  1. Dead angle of differential currents is measured when realizing the transformer differential protection based on the dead angle

    角原理變壓器差動保護中,需要測量差動電流導數形的角。
  2. The fast discrimination between magnetizing in - rush current and fault current is a difficulty in transformer protection presently. to solve this problem, second harmonies restraint and dead angle are used widely in practical application

    勵磁涌流的快速鑒別仍然是當前變壓器保護面臨的一個難點,在實際應用中廣泛採用二次諧制動原理和角原理來鑒別勵磁涌流。
  3. Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node

    首先,文中將三相變壓器兩相涌流差流的二次諧含量比和角作為網路的輸入變量;其次,利用對原有bp網路訓練演算法基礎上的改進型演算法(即在計算本次權值和閾值的變化時增加上一次權值和閾值變化的影響以及採用變學習率,與此同時隱含層神經元個數採用動態形式) ,通過樣本訓練使網路結構模型達到最優。
  4. At each interface the spreading wave front is made discontinuous.

    在每一分界面上擴展的前出現
  5. In order to eliminate the influence of the output filter capacitor current on the grid current, a novel control strategy for the grid - connected inverter in grid - tied and off - grid modes is proposed. the control strategy can also realize seamless transfer between grid - tied and off - gird modes. the grid - connected inverter can supply power to the critical load when the grid is off

    本文針對傳統並網控制策略進網電流受輸出濾電容電流影響的問題,提出了一種新的並網控制策略,該控制策略能基本消除輸出濾電容對進網電流的影響,實現獨立與並網兩模式之的無縫切換,對關鍵負載起不供電的作用。
  6. And finally, with hllc and lax - friedrichs type approximate riemann solver for discretising conservative equations and a nonconservative equation, a simple accurate and fully eulerian numerical method is presented. compared with the numerical results of hll scheme, the hllc scheme has a high resolution for shock waves and avoiding the nonphysical oscillation of the hll scheme

    最後用lax ? friedrichs格式及hllc格式作為通量函數對守恆一維euler型方程組進行了離散,並將數值模擬結果和saurel的hll格式模擬結果進行了比較,發現:在兩相流數值模擬過程中,相對來說hllc格式對激的解析度最高,結果最穩定,避免了hll格式在處的非物理性數值振蕩。
  7. 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,比較了該格式捕捉數的能力;另外,針對高階weno格式在處理euler方程的接觸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。
  8. The results show that it is the numerical method of high analyzable degree for the hybrid tvd scheme combinated with fvm, and the scheme is not only sufficiently accurate and nonoscillatory, but also capable of treating automatically hydraulic jump

    算例驗證表明:應用組合型tvd ? muscl格式配合有限體積法是一種高解析度的數值方法,且tvd ? muscl格式對于自動捕捉激和抑制附近的數值解動十分有效,它對具有高解析度。
  9. Did you mean boston by augustina ? i like that song a lot too

    不錯!更喜歡他的士頓!那首歌反復不聽了20遍,特別是前奏的鋼琴!
  10. The great buddha green tara the most common form of tara who made the vow to return always as a female bodhisattva is resplendent in her aura of green, radiant with the attainment of all the six perfections of giving, ethics, patience, effort, meditative stabilisation and wisdom, and bright with her ever - compassionate care for all sentient beings

    綠度母偉大的綠度母佛母曾許下宏願將永遠示現為柔美溫厚的菩薩以度一切有情眾生。 ?身上散發出柔和的綠光代表?已成就六羅密為眾生的付出永不
  11. In this dissertation, the pulse jet style, the influence on the shock wave, the flow in the tube and the cooling effect was deeply studied theoretically and experimentally. the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored. the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style

    本文對脈動射流的型式及其對激、管內流動及冷效應的影響進行了較系統的理論和實驗研究,主要包括:探討了脈動射流的型式對形成管內激形成及激強度的影響,給出了不同脈動射流的型式下振蕩管開口端初始的類型,對初始進行了分解,導出了包含進氣、排氣參數及工質物性參數的管內入射激馬赫數mj的表達式,給出了管內激形成的三種原因及其所對應的脈動射流型式和具體的工作狀態。
  12. Quiet colors make up a pure space, intermittent water waves quietly flow on the cloth, there is a kind of beauty partly appearing partly disappearing

    寧靜的色彩,構成純凈的空續續的水靜靜地流淌那份若有若無的美麗。
  13. Importance and means of signal measurement and processing in control of three main electric and mechanical equipment for walking beam heating furnace are discussed, the discussion includes time filtering processing of digital signal, measuring signal processing and measurement fault judging of translation stroke in charging machine and discharging machine, translation stroke measurement of walking beam and measuring method of slab output quantity

    摘要論述了步進梁加熱爐的三個主要電氣機械設備控制中信號檢測和處理的重要性及方法,包括四個方面:數字信號的時處理,裝鋼機、出鋼機的平移行程檢測信號處理和測量故障判,步進梁的平移行程檢測,板坯流出量的檢測方法。
  14. But the intermittent nature of wind power can cause just that sort of variability

    然而,正是風力的性導致了這種動。
  15. There are shocklets in the mixing layer with convective mach number 1. 2

    高對流馬赫數混合層中存在較弱的小激
  16. In dimensions two and higher, wavelets can not efficiently represent object with discontinuities along edges

    摘要在二維或更高維空中,小不能有效地表達沿邊緣的物體。
  17. Because euler equations have disconnected solutions named shock wave in numerical simulation flow field, and to make sure the disconnected solutions not expanding or vanishing among parallel computation sub - domains, there must be certain connections in the numerical value variable among the sub - domains

    由於在歐拉方程數值模擬求解流場區域內存在解即激,而計算流體力學并行數值計算是在分區的基礎上進行的,為了使流場區域內的解不因分區并行計算而膨脹或消失,分區之的數值變量必然存在著一定的聯系。
  18. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小,對勵磁涌流和內部故障電流進行小分析,並設計微機型變壓器保護基本配置,在以往角原理鑒別勵磁涌流的基礎上,突破傳統精確測量勵磁涌流角的方法,直接對信號小變換后的形進行分析,建立一個新的鑒別勵磁涌流判據,該判據對硬體要求不高,可以在現有一般硬體平臺上實現;並編寫以b樣條函數為母小的小變換判據演算法程序。
  19. In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area

    從流體力學來看,它事實上是熱力學第二定理的反映,即熵越過激(一種)要增加。各種估計格式構造的估計解應反映這一事實,即滿足熵不等式。從實際計算來看,總是通過離散化求解,不考慮計算的積累誤差,它的穩定性與計算精度都依賴與真解的光滑性,一般說,在解較光滑的區域有較好的穩定性與計算精度,而在較粗糙的區域則相反。
  20. Our results also show that the travellings waves ( a2 ) and viscous shock waves c of viscous problem ( i ) are close to the discontinuous waves ( a2 ) and shock waves c of the corresponding invicid problem respectively

    同時,存在性的證明還說明粘性問題( )的行( a2 ) 、粘性沖擊c分別與相應的非粘性問題( )的間斷波( a2 ) 、沖擊c在形上非常接近,只相差一個o ( ) 。
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