擬周期 的英文怎麼說
中文拼音 [nǐzhōuqī]
擬周期
英文
quasi periodicity-
Analytic solutions of an iterative functional equation x bx
方程特殊擬周期解的構造The performances indexes and curves of the model si 1126 diesel engine are obtained by simulation calculation ; the main curves for the affection of calibrate parameters on the performance of model si 1126 diesel engine are also obtained by simulation tests o the results and test data are analyzed o the major contents are as follows : a ) study on the demands of software and hardware environment of ktva on pc. kiva is originally designed for cray computer and workstation, but on pc it needs to be tested o b ) ktva code such as variables scopes of values and so on, needs revising to meet the needs of pc
應用該軟體，對縮短內燃機的設計周期、優化性能研究、環保和節能等方面都具有極高的應用價值。目前，國內同行業對kiva的運用尚處于起步階段，原因是國內所見到的kiva程序集不完整，且沒有漢化、沒有使用界面和使用說明書，軟體的運行環境要求特殊，而且復雜。本文作者通過對kiva的研究，揭示了該程序集的使用方法，恢復、完善並新增加了該程序集的功能；經過二次開發，建成了完整的內燃機模擬技術平臺。Manual measure tools, such as micrometer were used to measure outside and inside diameter of tube product, which is effected by people factor and has long measuring period and low precision and dose not fulfill the on - line measuring need of batch production. so, according to the product line structure of tube product, the on - line measuring method with linear ccd is brought forward in this article and imitating operation is done by the mentioned method
傳統的對管狀產品的檢測方法是利用千分尺等工具手工測量，測量周期長、準確度不高且受人為因素影響大，不能滿足批量生產的在線檢測要求。為此，本文根據所研究管狀產品的生產線結構，提出了一種以線掃描ccd攝像機為基礎的在線檢測方法並對此方法進行模擬計算。With the application of fabric simulation technique, textile designation becomes quite easy and effective ; designer will be released from multifarious and trivial labor and have more time or energy to engage in conceiving production ; you can obtain realistic textile pictures and need not to weave out it actually, this will lead to a great many benefits : shorten produce period rapidly, reduce running expense sharply, fasten enterprise ' s reaction to marketing, make convenient for information communication and producers will free from motiveless manufacture. along with wild employment of electronic business, producers can utilize internet to put out newly products, do business and intercommunication
織物模擬技術的應用不僅可以提高紡織產品的設計效率，將設計人員從繁雜的勞動中解放出來、使之能夠將更多的時間和精力投入到產品構思及開發中去，而且由於不必實際生產出樣品就能夠得到具有真實感的設計效果圖，生產周期大大縮短，產品開發成本大幅降低；同時加快了企業對市場的反應速度，企業、供求之間的信息交流更加便捷、高效，消除了生產過程中的盲目性，增加了企業的競爭力。It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制A life cycle cost simulation model of complex repairable equipment
復雜可維修設備壽命周期費用模擬Thereafter, the applications of go sequences in single - cell s - cdma systems are discussed in this thesis. in additive white gaussion noise ( awgn ) channel, interference components in s - cdma systems accommodating more users than the spreading factor is analyzed based on the theoretical bound of the periodic correlation mean square property. then two interference - suppressed s - cdma system models of augmented capacity are proposed, along with the analysis and simulation results
在加性白高斯噪聲（ awgn ）通道條件下，以序列集周期相關均方特性理論界為基礎，對序列個數大於系統擴頻因子的s - cdma系統干擾組成進行了分析，並基於截短wh序列提出了兩種高容量低干擾s - cdma系統模型，給出了分析和模擬結果。In the first, this article introduces the knowledge of orbit designing, then this article summarizes the basic methods and principles of orbit designing. in the later, this article describes the conception of node period about orbit designing emphatically which has been advanced by the writer. at the same time, this article describes the process of the writer ' s analysing and designing the orbit of earth spying satellite particularly with the conception. in the last, this article describes the wirter ' s analysing and simulating the designing results
本文首先介紹了軌道設計的基本知識，然後總結了軌道設計的基本的方法和原則。在隨後部分重點對衛星軌道設計中交點周期的概念提出了自己的看法，同時應用此結果詳細分析和設計了對地偵察衛星的太陽同步回歸軌道，最後對此設計結果進行詳細模擬分析。On the reducibility of linear differential equations with quasiperiodic coefficients depending on parameters
一類帶有參數的線性擬周期微分方程系統的可約化性Because of " fixed point attractor ", " limit cycle attractor ", " tons attractor " and " strange attractor " dominating the dynamics system, present - day crustal movement presents the various dynamics states such as " stable state ( dynamic balancing state ) ", " period state ", " quasi - period state ", " chaos state " and " edge of chaos "
在」不動點吸引子」 、 「極限環吸引子」 、 「環面吸引子」和「奇異吸引子」的作用下，現今地殼運動呈現出「穩定態（動平衡態） 」 、 「周期態」 、 「擬周期態」 、 「混沌態」和「混沌邊緣態」等多種動力學狀態。Abstract : the vibration solution of a massive spring system is presented, the effective mass of a spring is derived. the approximate period of the vibration is given
文摘:給出了彈簧質量不可忽略的彈簧振子系統的振動解，導出了彈簧的有效質量的漸近級數表達式，指出振動呈擬周期性An approach about the no - linear whirl dynamics behavior of elastic shaft jeffcott rotor with a transverse crack, which is supported on the unsteady and no - linear oil film, is given
裂紋轉子軸剛度變化對油膜夫穩點及油膜失穩之後轉子的運動影響不大，轉子系統作擬周期運動。At the point of co = g > c, it is the hopf bifurcation that the rotor orbit of shaft centerline is the periodic whirl of small amplitude. the method is suitable for the multi - freedom system
數值求解系統動力學方程，在_ c處，轉子軸心軌跡為極小幅值的周期渦動，此為hopf分岔，分叉后，系統運動為擬周期運動。The numerical simulations demonstrate that there is a quasi - periodic rotation on the invariant curve when the coupling coefficient e is small enough
數值計算表明當空間耦合強度足夠小且限制在某些范圍內時，系統在不變圈上是擬周期運動。It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used
（ 2 ）建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程，並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為，利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程，重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。Exciting results are obtained when the presented control algorithm are applied to the structural vibration with periodic and pseudo - periodic disturbances
此種方法，對于周期擾力及擬周期擾力激起的結構振動響應都有很好的控制效果。The wavelet classical theory is used to discuss the behavior properties of share price signals. we show that there are the properties of self - similarity, periodical, and long - term trend in these signals
本文利用小波分析經典理論研究了股價信號行為特徵，發現股價信號具有自相似性、擬周期性，和某種長期趨勢性。Next we are concerned with the existence of quasi - periodic breathers for the coupled map lattices : where the local map f is the delayed logistic map
其次我們考慮局部映射f _為時滯logistic映射的耦合格點映射：討論此映射的擬周期呼吸子的存在性。The delay can affect the existence and stability of solutions as well as leads to the periodic, quasi - periodic and more complex phenomena. so it is more difficult to study the partial differential equations with delay
時滯可影響方程解的存在性、穩定性，可導致周期、擬周期等更為復雜的現象，因而在研究上更加困難。分享友人