periodic state 中文意思是什麼
periodic state
解釋
周期狀態-
The atomic state in two - dimensional periodic anharmonic well
類拋物二維周期勢阱中的原子狀態 -
The electron state in the periodic electromagnetic field
周期性電磁場中的電子狀態 -
Fiscal policy is used as a tool against business cycle, the result that financial policy carries out is that a financial state lias been balanced on the whole from periodic angle
傳統上的財政政策是作為反周期的工具來使用的，這種財政政策執行的結果，是財政狀況從周期性角度看大體是平衡的。 -
It is applied to sorts of locomotive engine, in course of revolving of crank and connecting rod mechanism, there are revolving of the crankshaft, swinging of the connecting rod and reciprocating motion, so its motion state is complex, and periodic unbalanced force, by a few components, is great
曲柄連桿機構在高速運轉過程中，有曲軸的轉動、連桿的擺動及活塞的往復運動，其運動狀態復雜，各個部件所產生的周期性不平衡慣性力大，是引起發動機振動的主要原因。 -
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。 -
Because the monitoring of electricity equipment is still in the condition of traditional prophylactic test ( monitoring off line ), wordage list and management method of handwork operation, to strengthen the real - time monitoring of the operation state of electricity equipment ( monitoring on line ), find out the anomaly of equipment, monitor and analysis the fault, then take a corresponding measures to lower the fault loss so that we can make the transition between the regulations of periodic repairing equipment and the regulations of reasonable state repair, is the work which the department of power supply and operation make much of
針對對現有電氣設備的監測大都還處于傳統的預防性試驗（離線監測） 、文字報表、手工操作的管理方式的現狀，加強對電力設備的運行狀態進行實時的監測（在線監測） ，及時發現設備的異常徵兆、對故障進行診斷分析，並採取相應措施，把故障損失降低到最低水平，進而將目前實行的設備定期檢修制過渡到更為合理的狀態檢修制，一直是供電和運行部門十分重視的工作。 -
Based on this situation, in this paper, a more actual dynamic - chemical coupling model than two - state model, a periodic four - state kinetic hopping model, is established, and analyzed by the master equation method
基於這種情況，本文建立了一維周期性四態隨機躍遷模型，並利用主方程方法進行了研究。 -
In the third part, a more actual dynamic - chemical coupling model than two - state model, a dimensional v " j : ) t t periodic four - state kinetic hopping model, is established. the results are summarized as follows. 1
第三部分根據分子馬達實際的力學化學耦合過程，建立起比兩態模型更接近實際的模型?一維周期性四態隨機躍遷模型。 -
It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained
文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹，然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法，把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子，利用瞬子方法給出基態能級劈裂，最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子，從而給出由於熱助量子隧穿引起的激發態的隧穿率。 -
To overcome the first shortage chaos control technology is used to control a dc / dc converter from periodic state to chaotic region
為了克服上述不足（ 1 ） ，本文利用混沌控制技術來把工作在周期狀態的dc / dc變換器控制到混沌狀態。 -
Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control
著重研究了在限制有機物排放總量時，使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法，將本課題的有約束條件問題化為無約束條件問題，並提出了最優步長參數的動態搜索法來修改傳統的梯度法，從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同，進而提出了最優初始狀態下最優周期控制的新概念，這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出：對于尚不具備實現最優控制條件的處理系統，可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制 -
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。 -
Re = 200 is just beyond the critical reynolds number of mode a. the numerical results of the present paper indicate that the near wake at this supercritical reynolds number is in three - dimensional quasi - periodic laminar state with transitional behaviors
Re = 200是剛超過模式a的臨界雷諾數，計算結果表明，此時近尾跡流場處於三維準周期層流狀態。 -
By studying the vibration signal characteristics in periodic loading machine system, vibration signal model including state equation and observed equation was constructed
通過研究周期性負載機械繫統振動信號的特點，構造了包括狀態方程和觀測方程的振動信號模型。 -
Next we study the logistic model with both state - dependent delays and continuous delays and feedback control. with the help of coincidence degree theory, some new results for the existence of the postive periodic solution of the system are obtained. also, by constructing suitable lyapunov functional, some sufficient criteria for the uniqueness and globally asymptotic stability of positive periodic solution are established
第二部分研究同時具有狀態依賴時滯和連續時滯的反饋控制logistic增長模型，利用重合度理論研究其正周期解的存在性問題，得到了該系統周期正解存在的充分性條件；通過構造適當的lyapunov泛函得到保證該系統存在全局穩定周期解的充分性條件。 -
It identifies events raised at periodic intervals to provide information relative to the state of the running process
它標識定期引發的事件，以提供與運行中的進程的狀態相關的信息。 -
Because of their frequent periodic updates, distance vector protocols after convergence use more bandwidth than link - state protocols do
由於頻繁的周期性路由更新，距離矢量協議的收斂比鏈路狀態協議消耗更多的帶寬。 -
After a long time evolution, the system finally reaches a stable state at which the magnetization and the equal time spin - pair correlation are periodic oscillating functions with the equal period as the external field. numerical simulation shows : when the amplitude of external filed is large, there exits a particular temperature at which the average magnetization and the average spin - pair correlation are almost unaltered with various field amplitude ( i. e. magnetic susceptibility is zero ), and the particular temperature depends on the number of the spin states, cutting down with q increasing
由數值模擬得到：當外場幅度較大時，存在一個特殊的溫度點（我們稱之t ） ，在這個溫度點，系統的平均磁化強度和平均等時自旋對關聯隨外場幅度的變化幾乎保持不變（即磁化率為零） ，並且這個溫度的大小依賴于自旋態數目q的變化， q越大，這個溫度就越小；而當外場較小時，確信系統存在有限大小的臨界溫度 -
If the initial photon state is a fock state, the probability density of the electron exhibits bifurcation and confluence and the corresponding photon distribution is a time - periodic function which result from the energy exchange between the electron and field
Ck態時，隨著時間的演化，電子的兒率密度呈現分叉現象，相應的光子數分佈是時間周期函數，這是由於電子與光場之間有能量交換。在這種情況下，系統是封閉的。 -
Moreover, the findings also shows that system initial state entanglement has vast influence on the two entangiements ; in chapter 5, the influence of nolinear interaction on entanglement and the relation between atomic collapse - revive and entanglement are discussed in two - mode nolinear j - c model. the first result gives that when the kerr medium does not exist, the findings is the same as these in the chapter 4, but when the kerr medium exists, evolutions of entanglements are periodic, another new result is that time when atom is collapsing and reviving corresponds to the special entanglement
此外還討論了系統的初態對糾纏的影響；第五章研究了在雙光子非線性j - c模型中非線性作用對原子-雙模場及場模間糾纏的影響，探討了原子崩塌-回復和糾纏之間的關系，研究結果顯示：當類kerr介質不存在時，結果類似第四章的結果，原子和光場的糾纏及雙模場之間的糾纏沒有周期性
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