dynamical problem 中文意思是什麼

dynamical problem 解釋
動力問題
  • problem : n. 1. 問題,課題;疑難問題;令人困惑的情況。2. 【數、物】習題;作圖題。3. (象棋的)布局問題。adj. 1. 成問題的;難處理的。2. 關于社會問題的。
  1. At the same time, the section studies a new amendable method on drawing - up the dynamic extension forms of the motion input - output forms, it discusses the defer problem of input - output analysis too. meanwhile, it points out the fact that motional inut - ouput is a motional problem. however, the authentic economical running which recreates constantly is continual and dynamical, that is to say, it have to think about investing

    本章還從靜態投入產出模型入手,研究了利用動態投入產出模型編制投入產出表的一種新修正方法,討論了投入產出分析中時滯問題,並指出,靜態投入產出模型是一個靜態問題,而現實生活中的經濟運行是連續性的,動態的,不斷擴大再生產,也就是需要考慮投資的問題,文中還討論了規劃問題和預測問題的前提條件。
  2. A dynamical system is built which is satisfied to lyapunov function whose energy function is penalty function in augmented lagrange multiplier method. the dynamical system is global stable, and its stable solution is the optimization solution of sub - problem in augmented lagrange multiplier method according to lasalle invariance principle. finally a complete optimization algorithm is developed

    針對這種工業過程,本文基於一個lqr的性能指標(本性能指標和衰減系數和自然頻率密切相關) ,提出應用本文提出的mmlaax優化演算法,對不確定工業過程進行魯棒pto控制器的設計,取得令人滿意的效果。
  3. This dissertation studies the problem of dynamics modeling, dynamical response, and distribution of moving mass for a re - entry vehicle ( mmcrv ) under the background of national natural science fund project “ precision control and guidance for moving mass control of a re - entry vehicle based on the virtual displacement concept ”

    本論文以國家自然科學基金項目「基於虛位移概念的變質心再入飛行器精確制導問題研究」為背景,研究基於變質心控制的再入體動力學建模、動力學響應和落點分佈等問題。
  4. The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality

    ( 3 )採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的理論建模,利用計算流體力學( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題,避免了乾燥過程中的設計不合理狀況;通過增加雙格柵均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的體積蒸發強度。
  5. The problem of terminal dynamical sorting and the landing time decision for each plane were researched in this paper. and the approach seat, one module of guangzhou area air traffic flow management system was introduced

    本文主要研究了終端區流量管理中航班到達隊列的排序、航班降落時間的指定以及廣州地區空中交通流量管理系統進近席位的實現問題。
  6. Lastly, by philosophical analyzing the article draws conclusion : going on with efficient institutional change asks for dynamical grasping of path characteristic. so at present in order to advance the change the cumulative cost of institutional gradual change must be apportioned reasonably ; adjusting the change strategy wholly makes unitary institutional innovation accompanying configurable innovation ; switching institutional change mode neatly makes sure that the following change is efficient ; government ' s playing the leader role of institutional change makes adverse path dependency be got over and thoroughly resolves the shortage problem of effective institution

    最後,運用通觀全局、抓主要矛盾與矛盾的主要方面的哲學方法進行總結性分析,得出「繼續實現富有成效的制度變遷需動態把握路徑特徵」的結論,那麼,現階段應該對漸進式制度變遷的累積成本進行合理分攤,確保進一步變遷順利推進;從總體上調整制度變遷策略,形成由單項制度創新所引領的制度結構創新安排;針對變遷過程適時靈活轉換變遷方式,使變遷方式交叉復合、優勢互補,確保進一步制度變遷的效率;強化政府的變遷主體地位,以克服不利的路徑依賴,從根本上解決阻礙進一步變遷的有效制度缺失問題。
  7. The author analyzed systematically the present status of the four research areas of self - organized criticality, transient chaos, the edge of chaos and weak chaos in the science of complexity and concluded that, the four research areas are actually different approaches for probing into the essence of the same problem ? the spatio - temporal evolution of open, far - from - equilibrium, interacting, large, dissipative dynamical systems in nature

    筆者對復雜性科學中的自組織臨界性、瞬態混沌、混沌邊緣和弱混沌四大理論和研究領域就其發展現狀和最近動態作系統和深入的剖析后得出結論,認為以上四者是對自然界中開放、遠離平衡、相互作用的巨大耗散動力學系統的時空演化這個統一事物的本質的面面觀。
  8. Also, we put the emphasis on this crucial problem in our research. moreover, considering its system dynamical complexity, the means of archtype is adopted

    在引言部分,著重說明了選題的背景,並針對農業現代化的動態復雜特性,討論和選擇了研究的基本方法和思路。
  9. Considering the discord of definition of chaos synchronization and different problem in practice, this paper the definition of chaos synchronization, a class of symbolic dynamical system describing chaos map is studied

    系統地介紹了混沌的基本概念和定義、混沌的主要特徵、混沌的測度、耗散系統中的混沌等,研究了一類描述混沌映射的符號動力系統。
  10. A new kind of robust h control tactic based on ip controller for dynamical and rapid high - precision - feed in a single axis is proposed in this paper, and the problem of h2 / h is also introduced, in which a constraint condition on y is deduced. the background of the paper is " theory of dynamic precision synchronization traverse and research of realization methods for linear servo dual position loops system ( no. 50075057 ) ", which is supported by national natural science foundation of china

    本文以國家自然科學基金資助項目《直線伺服雙位置環動態精密同步進給理論和實現方法研究( n _ o . 50075057 ) 》為背景,基於h _控制理論,提出了直線伺服單位置環的高精度快進給的魯棒h _控制方案,並進一步研究了h2 h混合控制問題,給出了一個約束的條件。
  11. The paper consists of several parts as following : firstly, we probe an estimating method with the time - change parameters to overcome the problem with greater errors that us think a dynamical process with the time - change parameters as a static process with the no time - change parameters and forecast the time - change parameters system by the model with the no time - change parameters

    本文主要進行了以下幾方面的工作: 1探討了一種動態系統的時變參數的估計方法,克服了以往把一個時變參數的動態過程當作了非時變參數的靜態過程,而用非時變參數模型預報時變參數系統的狀態時帶來的較大誤差問題。
  12. The following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed. the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins, gps, dvs, ads, mg, vg is designed, and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed

    主要研究工作有:研究了速率偏頻激光捷聯慣導的陀螺測量信號的解調演算法;設計了在速率偏頻激光捷聯慣導、 gps 、多普勒雷達、大氣數據系統、磁航向儀及垂直陀螺配備條件下聯邦濾波組合導航系統,對聯邦濾波器和集中濾波器的性能做了模擬對比分析;研究了適用於聯邦濾波器的系統級故障理論和方法;探討了利用速率偏頻激光捷聯慣導撓性捷聯慣導陀螺的混合測量信息,通過神經網路實現硬故障交互檢測的方法。
  13. This paper summarizes main odi theories, makes comments on them from china ' s specific angle, and theoretically discusses about china ' s odi. the dynamical mechanism of odi is the first problem that china ' s enterprises confront with when they want to develop abroad

    本文對世界經典的對外直接投資理論做了概要總結,並從我國的具體角度對這些理論進行了評述,對我國發展對外直接投資進行了理論探討。
  14. Jmeta is a distribution metacomputing framework facing the heterogeneous network. with the ability of os independence and dynamical self - organizing provided by java and jini, jmeta make a good job in resolving the problem of heterogeneity and partial failure. and jemta make the metacomputing more effective with three compute models : code download computing, remote computing and mobile agent computing

    Jmeta是一種網路平臺異構的分散式元計算架構。利用java的平臺無關性和jini的運行時動態自組織能力,他能較好的解決計算平臺異構和網路部分失敗的問題,通過下載計算,遠程計算和移動代理計算三種計算模式進行高效的元計算。
  15. This dissertation focuses on survivability and self - healing issues of broadband transport networks : the dynamical pre - configuration of the p - cycles, network planning with joint the pre - configuration and the pre - planning method as well as blsr ( bi - directional line - switched ring loading ) loading problem

    本文主要研究了寬帶傳送網路生存性及自愈技術,主要集中在以下幾個方面: p - cycle的預先動態配置、預先配置和預先規劃相結合的網路規劃以及雙向線路倒換環( blsr - bi - directionalline - switchedring )的業務負載。
  16. In the second part, we try to apply orthogonal polynomial approximations to the dynamical response problem of the duffing equation with random parameters under harmonic excitations. we first reduce the random duffing system into its non - linear deterministic equivalent one. then, using numerical method, we study the elementary non - linear phenomena in the system, such as saddle - node bifurcation, symmetry break bifurcation, phenomena in the system, such as saddle - node bifurcation, symmetry break bifurcation, period - doubling bifurcation and chaos

    本文第二部分嘗試將正交多項式逼近方法應用於隨機duffing系統,提出與之等價的確定性非線性系統的新概念,並用數值方法對該系統在諧和激勵下的鞍結分叉、對稱破裂分叉、倍周期分叉、和混沌等各種基本非線性響應進行了初步探討。
  17. The research work focuses on the following four main investigations : 1. theory of fluid system design for adjustable linear oil damper by use of dynamic mathematical models and dynamic - parameter - compensat ing method, the first research of this item has established the generalized optimiz - - ation mathematical model of the fluid system of an adjustable linear oil damper ; by use of the mechanical generalized optimization theory and platform, the first research has also made a multi - objective and overall - performance optimal design to the fluid system which gives the damper both the best damping performances and the best economic capacities ; by modeling the whole damper and analyzing it by numerical method, the second research of this item has solved the problem of the damper ' s dynamical damping characteristics calculation, simulation and analysis

    主要涉及以下四個方面的內容: 1 、可調式線性油壓減振器阻尼系統的設計理論採用動態數學模型和動態參數補償的方法對可調式線性油壓減振器的阻尼系統進行了廣義優化設計建模;運用機械廣義優化設計理論和平臺對可調式線性油壓減振器的阻尼系統進行了多目標、全性能的優化,實現了其技術性能和經濟性能的綜合優化設計;通過對整個油壓減振器進行建模與數值分析,解決了工程上對多級擬合線性油壓減振器的阻尼性能進行求解、對其動態特性進行分析的難點。
  18. Accordingly, the problem of dynamical, such as seismic response, wind induced vibration, coupled dynamical vibration between bridge and vehicle should not be ignored. especially, stay cable, which is one of the main components in cable - stayed cfst arch bridge, is susceptible to environment and traffic excitations because of its flexible, low damping small weight, then the significant vibration is induced. the accurate analysis of the dynamic characteristics of cable - stayed cfst arch bridge is very important for the design of this type bridge

    大跨斜拉鋼管混凝土拱橋作為一種新型的組合結構橋梁,由於結合了斜拉橋和拱橋的優點,已經運用到實際工程中,但其理論研究才剛剛起步,大跨斜拉拱橋與大跨拱橋、斜拉橋一樣,是一種柔性結構,應該重視其動力問題,地震、風振、車振等動力問題是該類橋梁所無法迴避的,尤其是斜拉拱橋的主要承力構件之一的斜拉索,由於其大柔度、小質量和小阻尼等特點,極易發生振動,準確分析斜拉拱橋及斜拉索的動力特性是斜拉拱橋設計的重要工作之一。
  19. The establishment of efficient traffic models to reveal fundamental traffic characteristics is an essential requirement in the design, planning and operation of transportation systems. cellular automata ( ca ) are non - liner dynamical system in which space, time and state values are discrete, using simply rules, ca has attained very good results in simulating several complex natural phenomena and physical problem. that enlightens people to simulate traffic flow by ca method. urban major road performs critically on dredging traffic, therefore, it is very necessary to study the control and manage for urban main - road

    交通系統的規劃、設計和運作要求有能反映交通現象基本特徵的交通模型。元胞自動機是空間、時間和狀態都離散的非線性的動力學系統,它用簡單的規則在計算機上模擬各種復雜的自然現象和物理現象,並取得了很好的結果,啟發人們用它來模擬交通問題。城市主幹道擔負疏導交通的重要作用,因此對主幹道交通流的控制與管理的研究是非常必要的。
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