極限周期 的英文怎麼說

中文拼音 [xiànzhōu]
極限周期 英文
limit cycle
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 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
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、承載力、變形等參量; (三)通過柱架低反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的承載力和變形、及榫卯減振參數; (四)通過斗?低反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  2. In the second section of chapter 2, the fact that the essential interest rates of all nodes differ from each other is discussed, a non - homogeneous differential equation model of interest rate - amount of circulating fund is established, and it is proved that the sum of the weighted interest rates of each node in the financial network still remains a constant and that the difference of the instant interest rates between two nodes will finally approach the difference between their basic interest rates. in the third section of chapter 2, the differential equation model of interest rate - amount of circulating fund in an open system is studied, the laws of changes of interest rate are taken into account when fund is injected into or withdrawn from the node or when fund is injected into the network or withdrawn from the network, and the stability of equilibrium solution is proved based upon lyapunov stability theory. in the last, the equation model of interest rate - amount of circulating fund in the financial network with time delay is studied, and a necessary and sufficient condition for the existence of periodic solution is obtained to the interest rate - amount of circulating fund equation with delay

    本文第二章首先建立了封閉系統的利率?流通量微分方程模型,證明了各結點利率加權和為常數即金融市場利率均衡原理,以及各結點利率為整個網路平均利率;其次在各結點基本利率不相同的情況下,建立了非齊次利率?流通量微分方程模型,證明了金融網路各結點利率加權和仍是一個常數,並證明了各結點兩兩之間的即時利率之差最終將穩定地趨于其基本利率差;此外,還研究了開放金融網路利率?流通量方程模型,考慮了結點自身追加資金和提走資金的情形以及網路外部注入資金和向外部轉移資金情形下的利率變化規律,用lyapunov穩定性理論證明了模型均衡解的穩定性;最後,還研究了具有時滯的金融網路利率?流通量方程模型,並給出了具有時滯金融網路的利率流通量方程具有解的充要條件。
  3. 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環型的振蕩,並最終過渡到非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,場的環振蕩態和穩定飽和態是交替出現的,其特徵是典型的倍分岔,輸出功率譜是分立的。
  4. The aim of mips pipeline is that one instruction completed in one period averagely

    Mips流水線的設計目標是要達到平均每個時鐘完成一條指令,這就是流水線的速度。
  5. 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」 、 「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) 」 、 「態」 、 「擬態」 、 「混沌態」和「混沌邊緣態」等多種動力學狀態。
  6. The method of multiple scales is used to determine the equations of modulation of amplitude and phase. the steady state response can be obtained by solving a couple of algebraic equations, which have been achieved by careful deduction under some conditions. and because of the complexity of the equations, programs are necessary to solve the equations mentioned above, and certain graphs are presented. based on chapter two, in chapter three, the method of multiple scales is introduced to the study of the multiple - dimensional nonlinear stochastic systems under random external excitation

    在第二章基礎上,第三章將多尺度法引入到相應的隨機系統的研究中;嚴格推導了系統的約簡方程,用矩方法求出穩態解應滿足的方程,獲得一些結果;並且數值模擬結果與理論推導的結果是一致的;並注意到,與其對應的確定性系統相比較,系統響應從解變為近似解,系統的相軌線從環變為擴大的近似環;隨著激勵帶寬的增大,此擴大的近似環的寬度將增大。
  7. The judgement formula for high and low speed landslide and a new theory of stiffness - effect instability are presented for the instability of planar - sliding slope by the catastrophe theory. it is pointed out that the limit equilibrium stability analysis method of rigidity body has a lot of defects. the relationship between the action of outside environment and the response of slope system is complicatedly nonlinear according to the nonlinear dynamics model of slope evolution built

    針對斜坡平面滑動失穩問題,運用突變理論方法,給出了快速滑坡和慢速滑坡發生的判據,驗證了剛體平衡穩定性評價方法有較大缺陷;根據斜坡演化非線性動力學模型,發現斜坡演化過程會出現混沌現象,其通向混沌之路是通過倍分叉實現的。
  8. Then the behavior of the free joint when we bring the periodic perturbation through controlling the actuated joint is analysed, we can find in the result that the behavior of the free joint in the phase plane follows an ordered closed trajectory with the center equilibrium point + 2 in the case where the amplitude of the input is small, we can define a weakening factor to make the position of the free joint reach the center equilibrium point + 2

    通過相平面分析的方法分析了當驅動臂施加擾動對非驅動臂運動的影響,其結論為通過調整驅動臂擾動的幅度及性,可以使非驅動臂沿著圍繞平衡點2的環軌跡運動。在此基礎上,提出衰減因子的概念,通過衰減因子調整驅動臂擾動的幅度和,使非驅動臂能夠穩定在平衡點2 。
  9. Kingjime automatic press equipment co., ltd. was established in 1995. the whole staffs actively develop and offer high speed precision press and automatic peripheral equipment to keep pace with rapid development of industry, reduce the cost, improve quality and streng then competitive capacity. the products are widely used in household electric appliance, auto, toys and hardware and so on

    金錚自動沖壓設備有公司成立於1995年,為配合全球工業特別是國內工業的快速發展,同時為了滿足客戶降低經營成本,提高生產效率,提高產品品質及加強產品競爭的需求,本公司全體員工經過長不斷的積研發,完全具備了專業提供高速精密沖床及自動化邊設備的能力,廣泛應用於家電、汽車、玩具、五金等各沖壓行業。
  10. The results show that, when and 02 are in various intervals, the trajectories for systems ( i ) are either ultimately periodic or convergent to an equilibrium. the difference between system ( i ) and system ( ii ) only lies on the sign of self - feedback coefficient, but their asymptotic behavior of trajectories are much different. for the given initial value, the solutions for system ( ii ) all converge to the certain equilibrium

    結果表明:當_ 1和_ 2在不同的取值范圍內,系統( )的解或收斂到某一平衡點,或無逼近於某個解,且部分_ 1 , _ 2下的環全局穩定;系統( )與系統( )的區別僅在於自反饋系數的符號為負,但由此其解軌線的性態發生了很大的變化,對于確定的初值,系統( )的解均收斂到確定的平衡點。
  11. Thus many new periodic solutions are obtained and the periodic solutions will degenerate into solitary solutions on the limit condition, which shows this method is more powerful

    而且這些解在條件下可以退化為孤立波解,由此表明上述兩種展開法是一種高效實用的方法。
  12. On the other hand, every enterprise has its vitality, movement mode, life span and lifecycle. its growth is not linear and takes on regular cycle change during its long or short life

    另一方面,企業有著自身的活力、運動方式、壽命和生命,它的成長並非呈線性發展,在其或長或短的壽命中,呈現出有規律的性變化。
  13. This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value

    本文以口地區瀝青路面為研究對象,以現行《公路瀝青路面設計規范》為依據,從路面使用性能和交通特徵的調查入手,從疲勞特性和強度出發分析了路面早破損的原因,全面系統地進行了交通參數的分析,提出了當量軸次增長率、季節修正系數和超載系數的概念和方法,並提出了重載交通的軸載換算方法。在此基礎上,針對超載、重載交通從結構組合設計、結構厚度計算(包括疲勞強度標準和強度標準)等方面提出了適宜的瀝青路面結構設計方法,並結合工程實測,說明了結構層厚度計算的具體步驟,最後通過試驗路驗證本文提出的設計方法。理論與實踐均表明,本文提出的路面結構型式合理、設計方法可靠,能適應目前重載、超載交通的狀況,具有較高理論與實用價值。
  14. Specifically, acknowledging the large proportion of the manufacturing phase taken up by product design and the high pace of product renovation, the paper proposes establishing a cad application system with cipe method, which will shorten the design proportion of the manufacturing phase, swiftly develop and design new products of international standards, and significantly improve design efficiency

    特別是論文根據上海港機股份有公司生產中產品設計所佔比重大及產品更新頻率快這一實際情況提出運用cipe理念和方法來建立cad應用系統,這將大大縮短生產中的設計時間,快速開發設計出與國際接軌的新產品,可大地提高開發設計效率。
  15. By the balance equation under the limited stage, the shear in the joint core is solved, and the shear capacity under the earthquake week cycle load is analysed

    根據達到狀態時節點的平衡方程,求出節點核心區總剪力,進而對其在低反復載荷作用下的承載力進行了分析。
  16. 2. a characterization of the minimal polynomials generated a sequence with given minimal period is proved, the distribution of the linear complexity of periodic sequences is shown, and a new solving process of mathematical expectation and variance of linear complexity of periodic sequences is presented. randomness of minimal periodic sequences is discussed

    給出生成給定最小序列的小多項式的一個充分和必要條件;給出一般有域上序列的線性復雜度的分佈,並給出其數學望和方差的一個新的求法,討論了最小序列的隨機性。
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