unstable systems 中文意思是什麼

unstable systems 解釋
不穩定系統
  • unstable : adj. 1. 不穩定的,不牢固的。2. 不堅定的,動搖的,易變的,反復無常的。
  • systems : 國體
  1. The unstable solid solution would disintegrate and transform into carbide phases in these systems of sisocso, tisocso and zrsocso, based on the increase of free energy introduced by the effect mechanical alloying. for the system of wsocso, the solid solution had not transformed into tungsten carbides but an amorphous phase, which was different from those systems. the exist of fe in these experiments, which came from the abrasion of ball - milling tool because of the higher hardness of w and w - c solid solution, would induce the crystalline - to - amorphous phase transformation during milling

    C50球磨體系中,繼續球磨時,不穩定的固溶體在機械合金化作用下,由於體系能量提高,會發生分解相變,從而可以形成碳化物;對于w扣c50球磨體系, w ? c固溶體具有較高的硬度,磨削不銹鋼質的球磨介質和球磨容器,而引入雜質,其中fe會促使固溶體向非晶相轉變。
  2. This should be an incentive to apply the rrpa method with non - linear effective lagrangians to study other systems such as unstable nuclei near drip lines. for nuclei with the extreme value of n / z, low - lying collective excitations are found in isovector dipole modes, which are mainly due to the particle - hole excitation of weakly bound states near fermi surface and the isospin mixture effect

    將相對論無規位相近似理論推廣應用到奇特核集體激發態的研究,發現對于奇特核的同位旋矢量激發模式在很低能量下會出現軟模式的巨偶極共振,這主要是由於費米面附近粒子-空穴激發所形成的。
  3. The goal of laboratory is to become an active academic center on the study of structures and properties of stable and unstable species in chemical and biological systems. we hope to attract more and more domestic as well as foreign scientists, and to promote interdisciplinary research work. we also hope to offer excellent opportunities for young chemists and related scientists for them to develop scientific careers

    ? ?把實驗室辦成研究活潑中間體結構、性能及其應用與生物功能體系及分子功能體系研究的學術中心,吸引國內外學者來實驗室長期或短期工作,形成一支學術思想活躍、奮斗在學科研究前沿,在國際上有競爭能力,在國內能促進多學科滲透合作的研究隊伍;使實驗室成為在相關研究領域內國內一流、在國際上有影響的研究中心和人才培養基地。
  4. In order to cover the shortage of ogy method that needs an adjustable parameter of the system in advance, a simple control method based on state feedback and parameter adjustment is proposed to stabilize the unstable equilibria of chaotic systems

    摘要針對ogy方法需要預先找到系統的一個可調參數的不足,基於狀態反饋和參數調整,提出了穩定混沌系統不穩定平衡點的一種簡單控制方法。
  5. So the quantitative ordering of the control plans for an unstable slope becomes possible. finally, foregoing systems are integrated into the assistant decision system of slope engineering to improve the intelligentizing degree of evaluation and decision and the

    最後,本文將前述研究成果集成,開發出了邊坡工程輔助決策系統,提高了邊坡工程評價與決策的智能化程度,並將該系統應用到萬梁高速公路的邊坡穩定性評價和治理方案輔助決策中。
  6. Robustness for unstable nonminimum - phase systems

    不穩定非最小相位系統的魯棒性研究
  7. In linear systems an unstable transient grows theoretically to infinite amplitude, but nonlinear effects limit this growth

    對于不穩定的線性系統其瞬態過程的幅值在理論上會趨于無窮大,但是非線性特性會限制其增長。
  8. In the part of the experimental designs, a experimental configuration of an unstable cavity by use of two bbo crystals compensating the walkoff effect and pumped by reflection is presented, and two set of controlling systems designs of open and closed loop are also presented ; we realized closed loop controlling system of bbo optical parametric oscillator tuning system, by using american general scanning inc. ' s controller to control bbo crystal ' s rotation, and scaled the output wavelength with charge coupled device

    在實驗設計上給出了利用兩塊bbo晶體補償走離效應返回式泵浦非穩腔的實驗設計,設計了開環和閉環兩套控制系統。通過使用美國通用掃描公司的掃描頭控制bbo晶體的轉動,用ccd對bbo - opo輸出波長進行標定,實現了bbo - opo調諧系統的閉環控制,相對波長調諧誤差小於0 . 04 ,並給出了354 . 7nm泵浦的類相位匹配bbo - opo輸出波長隨晶體轉角變化的理論和實驗曲線。
  9. 2 ) by analyzing the information and conditional information description mechanism of system states, the problem of stochastic model reduction is investigated based on state aggregation. the information loss and conditional information loss between the full - and reduced - order models are measured by entropy, while the independence and conditional independence within me components of aggregated state are measured by kullback - leibler information distance. several model reduction methods for stable and unstable linear systems are derived by employing two criteria to get aggregation matrices : the minimal information loss and the maximal independence

    2 )分析了隨機系統狀態空間模型中的信息和條件信息描述機制,以shannon熵為手段描述線性系統模型降階過程中的信息和條件信息損失,以kullback - leibler信息作為衡量降階模型狀態向量各分量之間統計獨立性的測度,針對穩定和不穩定系統研究基於狀態集聚的模型降階問題:分別運用最小信息損失準則和最大獨立性原則,得出幾種狀態集聚的信息論方法,並討論降階模型的性質、階次的確定、系統噪聲分佈特性等問題。
  10. Furthermore, this theorem shows that impulsive perturbations do contribute to make practically unstable systems be uniformly practically stable

    而且該定理說明由於脈沖作用,不實際穩定的系統可以變得一致實際穩定
  11. A exploration of the law systems of unstable defense and anticipatory breach of contract

    試析合同中不安抗辯權與預期違約法律制度
  12. A practical framework and scheme for the new mobile police systems was introduced in the paper in order to overcome the unstable connection problem effectively

    文中介紹了一個移動警務系統的框架和解決該問題的方案,以解決連接不穩定性問題。
  13. In china, the retreat of glaciers has already had significant impact in terms of water shortages, more frequent flooding, retreating wetlands and unstable river systems

    在中國,冰山的退化所產生的影響日趨明顯,其中包括水資源短缺、水患頻發、濕地退化和河流系統穩定性降低等。
  14. In such a limited development scope, hardware designs often suffer at the hands of commercial interests, and result in unstable systems

    在這樣一種有限的開發領域里,硬體設計經常因商業興趣的影響而導致開發出的系統不穩定。
  15. At first, we show that in both continuous - time systems and discrete - time systems, the overall stability is achieved if the order of the compensator is not less than the order of the unstable system

    對于連續與離散系統,文中首先證明只要補償器的維度與此不穩定系統相同,則一定可行。
  16. Theoretical foundation of the present work is theories of electronic structure in one - dimension systems, which is established on the peierls unstable properties of id systems. the theories showed us concepts of kinks, solitons, excitons of conducting polymers, and successful explained the conducting phenomenons of these " particles " as carriers

    本文的理論基礎是準一維體系的電子結構理論,這一基礎理論建立在一維的peierls不穩定性的基礎之上,準一維體系理論給出了導電聚合物中的孤子、極化子、激子等概念,並成功地解釋了以這些「粒子」為載流子的導電現象。
  17. The main innovation of the thesis : 1. based on the actual environment, the author successfully implements the distributed multi - server system composed by multiple client / server systems in unstable low - speed telephone network, and successfully guarantees the integrality and consistency of data

    論文的主要創新點:一、作者針對現實情況,在不穩定的低速普通電話網上,成功的實現了將多個client server系統組裝成分散式的多服務器系統,並成功地保證了數據的完整性與一致性。
  18. The basic theories of distributed cfar detect systems, such as the system topology, the hypothesis testing with data fusion, the performance estimation and fusion rule, are established by the works of many researchers, and most of the concepts and approaches of traditional cfar detection can be used on distributed systems. but when worked on practical environmen ts with unstable and complicated detect conditions, the distributed system have many distinctly properties compared with single detector, so there exist a great deal of problems need to be studied

    盡管目前雷達分散式cfar檢測的大部分基礎理論問題,如系統結構、數據融合假設檢驗、性能測度、融合規則等已基本解決,許多單傳感器cfar檢測理論和技術也可以移植到分散式系統,但由於分散式檢測環境的特殊性,尤其是當面對復雜多變的實際應用環境時,雷達分散式cfar檢測仍有許多課題有待進一步的研究和探索。
  19. In this paper we study the parameter self - turning control algorithm and the global asymptotic stability control algorithm aiming at two problems, one is the unstable problem caused by the variable structural parameter, the other is the global asymptotic stability problem caused by drift equilibrium point. maglev train can be regarded as several single point suspending systems based on the mechanical decoupling technology

    本文針對懸浮試驗中經常遇到的兩個問題? ?懸浮系統結構參數變化引起系統失穩問題和懸浮系統受到外界干擾而遠離平衡點的全局漸近穩定問題,研究了參數自校正懸浮控制演算法和全局漸近穩定懸浮控制演算法。
  20. Currently most works on pc employ the sensitivities of the stability energy margin to the generator power injections, which exist some disadvantages and the cause of potential divergence in computation are analyzed. the amount of pre - assigned harmful contingencies in large power systems is a real chanllenge for pc. in this thesis, it is settled soundly through grouping these contingencies into some subsets according to each unstable mode ( um ) provided by eeac, and identifying the worst contingency among each subset by stability energy margin provided also by eeac

    預防控制研究大多基於控制參數相對于系統暫態穩定裕度的靈敏度系數,本文分析了此類方法存在的不足和可能迭代不收斂的原因;依據eeac的暫穩裕度量化指標和失穩模式概念,解決了起關鍵作用的暫穩約束的識別問題,克服了當前該領域中僅能研究小規模系統和或少量預想事故約束的局限。
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