換位周期 的英文怎麼說

中文拼音 [huànwèizhōu]
換位周期 英文
transposition cycle
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  • 換位 : conversion; transposition; replacement; trans-situaition; commutant; change of positions
  1. On the ground of educative theory, this paper exposits connotation and characteristic of project - based learning and why we should also enforce project - based learning in high school. as far as substance of project - based learning and objective circumstance what it should have are concerned, it points out the practical ability. at last, based on that university physics education has relatively longer cycle, it proposes stage pattern for enforce project - based learning and give two concrete cases, which discuss capacitance of confocal oval - shaped stylar capacitor and potential distribution of charged conductor of surface being uniparted hyperboloid

    本文在具體的教育理論指導下,闡述了研究性學習的內涵及特點;在大學物理中實施研究性學習的意義;以及就研究性學習的實質和所需具備的客觀條件而言,論述了研究性學習在高校中實施的可行性;並根據大學物理教育具有性相對較長和專業循序漸進的特點,提出了研究性學習的階段性模式,並給出了具體的實例,利用保角變法討論了共焦橢圓柱形電容器電容及單葉雙曲面帶電導體的電分佈。
  2. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相匹配技術有其獨特的優勢,可以利用非線性光學晶體的最大二階極化張量,如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ ( 33 ) ,其有效非線性系數高出普通非線性光學介質(如bbo 、 lbo 、 ktp )一個數量級,而且可以人為靈活設計調制,通過設計其頻率變范圍可以覆蓋準相匹配介質的整個透明波段,選擇無走離效應,解決了常規pm難以解決的問題,拓寬了非線性晶體的應用范圍,極大地提高了頻率轉效率,已成為非線性光學材料和固體激光器的研究熱點之一。
  3. When will the 5, 000 bonus membership rewards points for online statements activation to be deposited to my account ? after we have verified your activation, we will process the successful activation cardmembers in batch process in the following month. credit amount of 5, 000 points will be shown on online statement after two billing cycles

    當我們於後端驗證閣下的登記無誤后,隔月將會將同月份的成功登記名單一起交由負責單進行積分轉,你將于兩個記賬后的電子月結單上看見5 , 000積分轉成功。
  4. In this thesis, the main contents are following : 1. reviewing the theory of nonlinear frequency conversion. quasi - phase - matching is discused. presenting the method for configuring periodically poled as well as multiple period superlattice

    闡述了非線性頻率變的原理,討論了相匹配和準相匹配技術,著重說明了和準光學超晶格的工作原理。
  5. 4. we use the fuzzy neural networks ( fnn ) theory to solve the real time region traffic distributed control problem. at each intersection, we set an intelligent controller which dynamicly manages phase sequences, phase switch, signal cycle and split

    每個交叉口設置一個模糊控制器,該控制器根據它自己和相鄰交叉口的交通流信息對相序、相切浙江大學博士學論文、信號和綠信比進行動態管理。
  6. Based on the unified recursive formula, the four algorithms included in this study are the central difference method, the newrnark ' s method, z - transform method, and duhamel ' s step integral method. the accuracy, the phase and other existent problem are studied in this paper. it is proved in this paper that the recursive parameters b1and b2are relate to the poles of theoretical transfer function

    分析中可以發現,中心差分方法, newmark中點加速度方法、 z變方法及duhamel逐步積分法在精度范圍內其計算相是沒有畸變的,中國地震局工程力學研究所頃土學論文一但是中心差分方法, newmark中點加速度方法隨著采樣間隔及系統自振頻率的增大,系統的固有自振被改變,其傳遞函數的共振區域與理論傳遞函數的共振區域會發生分離。
  7. The clamping diodes conduct only once in a switching period, and the resonant inductance current is smaller in zero state, leading to a higher efficiency and reduced duty cycle loss. the operation principle of the improved converter and the comparison with the original converter are analyzed in this paper. the effect of the blocking capacitor in series with the transformer or resonant inductance is discussed, and a best scheme is determined

    本文將諧振電感和變壓器交置,使變壓器與滯后橋臂相連,這樣箝二極體在一個開關中只導通一次,同時零狀態時諧振電感電流較小,有利於提高變效率和減小占空比丟失,本文分析改進后變器的工作原理,並與改進前的變器進行對比,討論隔直電容在不同置對變器工作的影響,確定一種最佳工程方案。
  8. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向移」 、 「層間移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代矩形柱后,結構剛度增大,側向移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  9. Single - cycle bit permutations with momr execution

    利用momr執行完成單指令
  10. Afterwards, a duffing system with delayed displacement feedback is studied by the method of multiple scales and other numerical methods. the uniform formulas for computing the critical values of time delay are given and the global diagrams of bifurcation for the periodic solutions with respect to the time delay are obtained under different parametric combinations. it is shown that the hopf bifurcation and the saddle - node bifurcation are the only two types of bifurcation observed in such a system

    接下來用多尺度法及數值方法研究了一具有時滯移反饋的duffing系統的動力學,得到了不同參數下系統平衡點發生穩定性切時的臨界時滯計算公式及關于時滯的大范圍hopf分叉圖,並發現saddle - node分叉及hopf分叉是系統出現運動的兩個主要的來源。
  11. B - actin primers : forward 5tcc tat cgg cct cct cct ac 3 " and reverse 5aga atg tag tcc gcc agg tc 3 ", designed for 200bps. saodn oligodeoxynucleotide of pkb : stac agc ctg aga gga cct acc tg3 "

    在有絲分裂, edc25經歷216ser磷酸化同時其水解酶活性增強,活化的mpf磷酸化並活化edc25 ,形成正反饋,結果進一步活化mpf前體,活化的mpf促進細胞g2 / m
  12. It is one of the important parts for the control of hupqc to detect the reference compensation signal. the predictive strategy is presented based on wavelet theory, that means tracing the fundamental signal and replacing with sampling data every half cycle. the fundamental signal is forecasted step - by - step in a half cycle earlier

    補償指令信號的檢測是電能質量調節裝置的控制環節之一,本文提出了基於小波理論的預測檢測策略,跟蹤基波信號,以半為采樣更新速度,應用小波變法對信號的基波分量進行遞推式預報,並取其與實時信號之差做為參考,然後產主與之大小相等、相相反的信號作為hupqc的實時補償指令信號。
  13. In tall buildings, for frame - shearwall structure with steel truss transfer story with large span, studies on its dynamic characters and seismic performance are performed. with different transfer story location at the structure, the difference analysis about the structures to period and mode, displacement, and shear etc. is performed in detail. and the vertical load effect to the steel truss transfer story with large span is analyzed

    對于高層建築中帶大跨度鋼桁架轉層的框架?剪力墻結構,分別對不同轉層設置高度下整體結構的動力特性和抗震性能進行了分析,對整體結構的和振型、整體結構的移和層間移、結構的剪力和層間剪力等方面性能的差異進行了研究;對大跨度鋼桁架轉層在豎向地震作用下對其受力的影響進行了研究。
  14. Conclusion the intra - individual variation of women ' s menstrual cycles was essentially random ; in other words, it could not be precisely predicted, from a cycle of a woman, whether her next cycle would increase or decrease ( relative to the mean or median of her cycles )

    結論婦女月經的個體內變異基本上是隨機的;言之,從某人某次的月經難以準確預測其下次月經的升降(相對于其均值或中數而言) 。
  15. In the design of real - time control system, the paper takes three - phase full - bridge mosfet inverter as the real - time control main circuit, and adopts a control scheme with 120 ? switching mode combined with half - bridge pulse width modulation ( pwm ), which would avoid straightthrough short of a certain bridge. phase current is detected by single current sensor ; three - phase position signals generated by position sensors could not only supply commutation information for inverter, but also be used for speed detecting based on signals " period measurement, which makes the speed sensor unnecessary. the whole control system adopts speed and current dual closed - loop control strategy in order to construct a high performance rare - earth permanent magnetic brushless dc motor ( repm bldcm ) full - digital real - time control system

    在實時控制系統的設計中,本文以三相全橋mosfet逆變電路作為實時控制主電路,採用120導通方式結合半橋pwm調制的控制方案,從而有效地避免了橋臂的直通短路;本文用單電流傳感器實現對相電流的檢測,來自置傳感器的三相置信號不僅為逆變電路提供相信息,而且也用於基於信號測量的轉速檢測,這樣就省去了速度傳感器;系統採用的是速度、電流雙閉環控制策略,力求構建高性能的稀土永磁無刷直流電動機全數字實時控制系統。
  16. A simple state - transition model that allows work item type authors to define required fields and values at different points during the work items life cycle

    一個簡單的狀態轉模型,允許工作項類型創作者在工作項生命中的不同點定義所需的欄和值。
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