非周期態 的英文怎麼說
中文拼音 [fēizhōuqītài]
非周期態
英文
aperiodic state- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 周 : 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 : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
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Comparison of the instable periodic heat transfer calculation of semi - circular arch and flat roof
半圓形拱頂與平拱頂周期非穩態傳熱計算Chaos theory is defined as the study of complex nonlinear dynamic systems. complex implies just that, nonlinear implies recursion and higher mathematical algorithms, and dynamic implies nonconstant and nonperiodic
混沌理論用於研究復雜非線性動態系統。復雜意謂它就是那樣,非線性意謂遞歸和更高數學法則,而動態意謂非常數及非周期。Two different kinds of approximate theories for analyzing colored noise are employed in the nonlinear system. then effects of the colored nature of the noise on the statistical properties of the laser system, the stochastic resonance of bistable system, and the steady - state probability current of quasi - periodic system are investigated
本文主要通過兩種不同的色噪聲近似理論,分析了非線性系統噪聲的有色性對激光系統的統計性質、準周期性系統的定態幾率流和雙穩系統中的隨機共振現象的影響。It has been shown that whether resonant or non - resonant interaction system, the kerr effect weakens the coupling of the field - atom, shortens the cycle of quantum collapses and revivals of the atomic level occupation and makes the nonclassical correlation properties steady. kerr effects on the properties of the correlation, on the correlation intensity between the two - mode, on the photon - number distribution and on the bunching or antibunching effect of the two - mode su ( 1, 1 ) coherent states produce obviously different characters when it is changed the initial intensity of the light field. that is to say, kerr effect on the two interaction systems is accorded
數值計算結果表明:無論是共振還是非共振相互作用, kerr效應均使原子與光場的耦合減弱,原子布居的崩塌與復甦的周期縮短,光場的非經典相關的穩定性增強;在初始光場較弱和較強兩種情況下,類kerr介質對雙模su ( 1 , 1 )相干態場兩模間的相關性、相關程度以及光子的聚束與反聚束效應產生的作用均有明顯的區別,即kerr效應對系統在共振及非共振作用時的影響是一致的。It is found that if the cavity dissipation is losses and the reservoir is in vacuum, the quantum nonlocality appears periodically. when the cavity dissipation and the average photon number of the reservoir are taken into account, the initial quantum nonlocality will be lost. the rapidity of the loss of the initial quantum nonlocality depends on the amplitude of the initial field, the average photon number n and the cavity damping constant k
結果表明,如果腔場無損耗且處于真空庫,則量子態周期性地顯現出一定的非局域性;如果考慮到腔場的損耗和熱庫的平均光子數,那麼,量子態將會喪失它初始的非局域性,初始量子非局域性喪失的速度與初始腔場的幅度、腔的衰減系數以及熱庫的平均光子數有關,場越強、平均光子數和衰減系數越大,量子非局域性喪失得就越快。Deadline monotonic algorithm is studied from several perspectives including the development history of the theory, the scheduability test algorithm, priority inversion solutions, aperiodic task handling etc. and 2 important conclusions of the theory : static optimal property and the sufficient and necessary feasibility test, are discussed in proof form
從理論發展歷史、可調度性測試方法、優先級倒置的處理、非周期任務的處理等幾個方面對截止時間單調演算法進行了研究。並對演算法的兩個重要結論:靜態最優性和可調度性測試方法分別進行了證明和推導。In the integrated scheduling service, hard periodic tasks are scheduled off - line to meet their real - time requirements, and each soft aperiodic task request is assigned a suitable deadline to enhance the aperiodic responsiveness. scheduling guarantees of hard periodic tasks are preserved through the on - line schedulability analysis. the sharing of critical section resources between the tasks is also considered in the integrated scheduling service ' s schedulability analysis, and bounded blocking for accessing the critical section resource is achieved by introducing the priority ceiling protocol
在該模型中,對硬實時周期性任務集進行離線調度以滿足其可調度性保證:給動態到達的軟實時非周期性任務分配一個截止期,提高其響應性能,同時通過在線可調度性分析保證周期性任務的可調度性不受影響;集成調度服務模型在可調度性分析中還考慮了任務之間共享臨界區資源的情況,採用優先級上限協議對訪問臨界區引起的阻塞進行了定界分析。The radiation field evolves from a steady saturation state to a limit cycle oscillation state, and eventually to chaotic oscillation state as the current increases, the region in which the field exhibits limit cycle or chaotic oscillation is called the " soft " and " hard " nonlinear regime, respectively : ( 1 ) in the " soft " nonlinear regime, the radiation field is characterized by period doubled bifurcation and the discrete power spectrum
隨著電流的增大,輻射場經歷由穩定飽和到極限環型的周期振蕩,並最終過渡到非周期性混沌振蕩的演化過程,按其狀態可分為「軟」和「硬」兩種非線性區域: ( 1 )在「軟」非線性區域,場的極限環振蕩態和穩定飽和態是交替出現的,其特徵是典型的倍周期分岔,輸出功率譜是分立的。9 tgywk a r, lehoczky j p. algorithm for scheduling hard aperiodic tasks in fixed - priority systems using slack stealing. in proc. ieee real - time systems symposium, puerto rico, december 1994, pp. 22 - 33
Ic - eat構造了一個能確保多個cpu利用率的分散式多輸入多輸出控制環,它集成了非周期任務調度的許可控制機制與回饋控制機制,動態調整任務的qos 。In xenopus embryonic extracts camp concentration and pka activity also oscillations accompany with the cell cycle, low in mitosis and increased during m / g1 transition, keep high until next mitosis, and the mechanism concern with the cdc25 phosphorylation state and cyclin b concentration. mouse fertilized egg is the most simple and natural model for cell cycle that near to human, but little is know about pka on mpf also pka on mitosis
通過對非洲爪贍胚胎細胞周期的研究發現jka活性也隨細胞周期變化而波動,在m期出現時pka活性下降,而m間期轉換時pka活性達最大值,一直維持高值直到下一個m期出現,其對mpf活性調節與cdc25磷酸化狀態及周期素b表達有關。In sensory nerve cells we have found that responsiveness of the nerve cell was higher in nonperiod than in period firing dynamic state
在周期放電時,對刺激的反應較遲鈍,在非周期放電狀態時對刺激的反應較敏感。In this thesis we study the existence of periodic solutions and the asymptotic behavior of general time - dependent solutions for periodic reaction - diffusion equations with nonlocal boundary value conditions, the existence of periodic solutions or periodic quasisolutions and the asymptotic behavior of general time - dependent solutions for periodic reaction - diffusion systems with nonlocal boundary value conditions. the whole thesis is made up of three chapters
本文研究時間變量是周期的反應擴散方程在非局部邊值條件下周期解的存在性及其一般時變解的漸近性態;研究時間變量是周期的反應擴散方程組在非局部邊值條件下周期解或周期擬解的存在性及其一般時變解的漸近性態Liu, y. f., wang, x. h., zheng, h. n. and wang, s., 1998, unsteady magnetic reconnection in non - periodic multiple current sheets, chinese sci. bull., 43, 242
劉一凡,王小虎,鄭惠南,王水, 1997 ,非周期多層電流片中的非穩態磁場重聯,科學通報, 42 , 2098Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method
本文基於netomac模擬軟體,以發電市場預調度計劃模型及演算法、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容,主要做了以下工作:建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃模型,並根據預調度計劃問題狀態數多、變量多、混合整數、非解析的特點,將預調度計劃模型的目標函數簡化為各時段的市場清算電價最小,設計了三段式預調度演算法:用靜態規劃法求解整個預調度計劃周期內的優化問題;用優先級法求解機組組合問題;用改進的powell法求解最優潮流問題。The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film
研究了非穩態動載短軸承支撐的jeffcott柔性轉子系統的動力特性,基於可用三個函數表示動態油膜的非穩態非線性油膜力模型,將轉速比、不平衡量、阻尼比、粘度作為控制參數,利用floquet乘子預測周期解的局部穩定性,發現倍周期分叉是由一定量的不平衡引起的,而hopf分叉是由油膜失穩造成的。The states of the system and their differential signals are obtained on time by tracking differentiator, and the influence induced by nonlinear periodic load disturbance is compensated adaptively
電力系統混沌振蕩狀態和它的微分信號由微分跟隨器實時提取,並通過微分跟隨器對非線性周期性負荷擾動的影響進行自適應補償。Considering practical application, some control methods brought forward by predecessors have been improved in order to realize them more easily. because it is difficult to control chaos and hyperchaos to high - period by simple linear feedback in experiments, the ordinary linear feedback method is modified to local control, further more, we prove its feasibility and find out the controllable parameter range theoretically. the improved linear feedback method is applied to circuit experiments, and the results of numerical simulation and circuit experiment are all in accordance with theory, which validate this method effective
概括起來有兩個層面的內容:針對前人已經提出的一些控制方法,結合實際應用的需要提出改進的方案,使之更易於實際應用中的實現,這部分包括:基於簡單的線性反饋控制低維混沌和超混沌系統的高周期態難以在實驗中實現而提出的局部控制的改進方案;結合具體實例,從理論上分析了改進控制方案的有效性及系統可控制的參數條件;並且用電路實驗實現了改進的控制方案,實驗結果也驗證了理論的正確性和可行性;在應用非線性反饋方法控制混沌系統的研究中,我們也得到了前人沒有討論過的高周期結果。Morlet wavelet analysis shows that decadal period of longitudinal excursion of sah during summer is very notable, including a 10 - year period and a 25 - 30 - year period
對該系列進行小波分析發現夏季南亞高壓東西振蕩的年代際周期是非常明顯的,存在10年周期態和25 - 30年周期態。It is complicate and evolves with the trading institute. the market is persistent at whole, but the persistence has been becoming weaker and weaker. and the market has not only a long stable non - periodic cycle related to policies a little, but also has a short unstable cycle caused by policies, which causes persistence and reversion in short term
也就是說,收益率分佈既非正態也非自相似,它是復雜的,並且還隨交易制度的變革而演化;從總體而言市場是具有持續性的,但持續性明顯經過了一個由強轉弱的演化過程;市場不但有一個不受短期政策影響的穩定的非周期循環,而且還有一些由短期政策沖擊造成的不穩定的循環點,導致了短期的持續與反轉。It is an unperiod and an irregular course. it is not convergence but dose have a bound, while it is sensitive to its initial value. for all these special performance, chaos has a excellent outlook in the application of telecommunication, especially in the generation of pn sequence
混沌現象是在非線性動態系統中出現的確定性的,類似隨機的過程,這種過程非周期,是一種貌似無規則的運動,不收斂但有界,且對初值具有及其敏感的依賴性,這些獨具特色的性質使得混沌在通信應用領域尤其在偽隨機碼的產生方面有著很好的應用前景。分享友人