系統周期 的英文怎麼說

中文拼音 [xìtǒngzhōuqī]
系統周期 英文
system cycle
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 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
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Existence of positive periodic solution of multidelays facultative mutualism system

    互惠系統周期正解的存在性
  2. Existence and global attractivity of positive periodic solution in a kind of n dimensions nonautonomous lotka - volterra facultative mutualism with distributed delay

    互惠系統周期正解的存在性與全局吸引性
  3. Study on analytic approach for extracting periodic orbits of piecewise linear chaotic systems

    解析法提取分段線性混沌系統周期軌道的研究
  4. Then one can easily obtain the existence of periodic solution of the chemostat model

    然後在一致持續生存的條件下得到了該系統周期解的存在性。
  5. A map method for grazing bifurcation in linear vibro - impact system

    線性碰振系統周期解擦邊分岔的一類映射分析方法
  6. The sufficient and necessary condition for the existence and attractivity of periodic solution of autonomic system with impulse

    脈沖自治系統周期解存在及吸引的充要條件
  7. Dynamics of rotor - bearing system with coupling faults of pedestal looseness and rub - impact

    松動碰摩轉子軸承系統周期運動穩定性研究
  8. The paper is concerned with periodic solutions to nonautonomous second order hamilton systems where, m : [ 0, t ] - s ( rn, rn ) is a continuous mapping in the space s ( rn, rn ) of symmetric real ( n x n ) - matrices, such that for some u > 0 and all ( t, z ) [ 0, t ] x rn, ( m ( t ) x, x ) > u | x | 2. a s ( rn, rn ), f : [ 0, t ] x rn r is continuous and f : [ 0, t ] xr r exists, is continuous and we study the existence of periodic solutions of the systems by using ekeland variational principle and the saddle points theorem. we suppose that the nonlinearity vf and potential f belongs to a class of unbounded functional. our work improves the existed results. we obtained the results of multiplicity of periodic solutions of the systems by using lusternik - schnirelman category theory and the generalized saddle points theorem, and the functional does not need the condition of constant definite. at last, we obtained the existence of infinity many distinct periodic solutions of the corresponding non - perturbation systems by using the symmetric mountain pass theorem

    （ ? ， ? ）為r ~ n中內積， | ? |為對應范數。 f [ 0 ， t ] r ~ n r連續， ? f （ t ， x ）存在且連續， h l ~ 1 （ 0 ， t ； r ~ n ） 。利用ekeland變分原理和鞍點定理討論了該系統周期解的存在性，把非線性項和位勢函數放寬到一類無界函數，推廣了這方面工作的一些已有結果；利用廣義鞍點定理和lusternik - schnirelman疇數理論得到了該系統的多重周期解，取掉了泛函的常定要求；最後利用對稱山路定理得到沒有擾動時系統的無窮多周期解。
  9. The system period is determined by weighted fusion result of all sensors periods with precision as weight and a index function is designed to evaluate the deviation of system period. when the index exceeds the given threshold, the algorithm adjusts the system period to track the data interval of all passive sensors

    系統周期由各站點的周期按其觀測精度加權來確定，並設計指標函數來評估系統周期的偏差，超過給定的閾值時重新調整周期，能夠及時跟蹤各單站的數據間隔變化。
  10. 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。
  11. In the theoretical analysis, first the dynamics model of the prepressing - contact spring - damping system was established by vibration theory. then the stability of the solution of this system was studied base on the qualitative theory of nonlinear vibration

    在理論分析方面，首先根據振動理論建立預緊接觸式彈簧阻尼系統的力學模型，然後利用非線性振動的定性理論研究系統周期解的穩定性。
  12. We apply this condition and elementary properties of fourier series to prove a uniqueness theorem for periodic solutions of a class of second order nonlinear ordinary differential systems

    我們應用這個條件和傅立葉級數的基本性質證明了二階非線性常微系統周期解的唯一性定理。
  13. A new periodic solution of nonlinear dynamics

    一種新的求解非線性系統周期解方法
  14. Existence of periodic solutions for a class of second order systems with sublinear nonlinearity

    一類帶有次線性非線性項的二階系統周期解的存在性
  15. Existence of periodic solutions forn - species lotka - volterra type discrete competitive system

    競爭系統周期解的存在性
  16. Existence of periodic solution in a food chain system with time delay

    一類帶有時滯的食物鏈系統周期解的存在性
  17. Existence of periodic solutions of discrete lotka - volterra systems with delays

    系統周期解的存在性
  18. Numerical methods for determining the periodic solution of non - linear oscillation systems

    具有系統參數的非線性動力系統周期解方法
  19. A energy iteration method for periodic solutions to second order strongly nonlinear non - autonomous systems is suggested

    摘要給出了確定一般二階強非線性非自治系統周期解的能量迭代方法。
  20. On the existence of periodic solutions for nonlinear vibration system

    非線性振動系統周期解的存在性
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