discrete state 中文意思是什麼

discrete state 解釋
不連續態
  • discrete : adj. 1. 分離的,分立的;顯然有別的。2. 不連續的;【數學】離散的;【哲學】抽象的 (opp. concrete)。adv. -ly
  • state : n 1 〈常作 S 〉國,國家;〈通例作 S 〉(美國、澳洲的)州;〈the States〉 美國。2 國務,政權,政府...
  1. We discussed the method of state space design, and deduced the ackermann formulation. in the end, separation theory is adapted to the discrete system of the delta domain

    文中討論了delta域內的狀態空間設計法:極點配置設計法及狀態觀測器設計法,推導了delta域內的ackermann公式,得出了分離定理同樣適用於delta域內的離散系統。
  2. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲,由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成,前級採用電壓型pwm前饋控制技術,后級採用三態dpm電流滯環控制技術。
  3. The measured tangential force, tangential inertial force and normal vibration acceleration are decomposed using a discrete wavelet transform. the relation among these three dynamics state variables is investigated

    利用小波變換技術對測量的切向力、切向慣性力和法向振動加速度進行分解,對這些動力學變量之間的相互關系進行了深層次的研究。
  4. In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform

    使用電子掃描顯微鏡( sem ) 、激光掃描顯微鏡( lsm ) 、光學顯微鏡和表面輪廓測量儀等設備對摩擦噪聲發生的區域進行了詳細的觀察和分析,運用小波變換技術對摩擦噪聲狀態下的動力學變量進行了深層次的研究,應用matlab simulink語言對摩擦系統進行了振動動力學模擬,系統地研究了摩擦噪聲的形成機理。
  5. In this thesis, we demonstrate the study of si - based light emitting materials and its importance in si - based photonics integration. we discussed mainly the gain, differential gain, threshold current of si - based quantum - dot laser and the dependence of threshold current on temperature from discrete energy level of three - dimension confined quantum - dot and state density distribution of 5 - function

    本文闡述了si基光發射材料的研究進展及它在硅基光電子集成中的重要地位,從三維受限量子點的分立能級和函數狀的態密度分佈入手,著重討論了si基量子點激光器的增益、微分增益、閾值電流及閾值電流的溫度特性。
  6. The temperature range is - 30 ~ 80. the topology of the step - up dc / dc converters and its basic principle is first analyzed in this thesis. then based on the conventional pfm control scheme, a discrete pulse frequency modulation is presented and the state space average model related to the ccm ( continue current mode ) and dcm is established

    然後在傳統的脈沖頻率調制方式的基礎上,分析了一種離散脈沖頻率調制方式,並建立了這種調制方式下升壓型dc / dc變換器在電流連續( ccm )工作模式和電流斷續( dcm )工作模式的狀態空間平均模型。
  7. 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極限環型的周期振蕩,並最終過渡到非周期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,場的極限環振蕩態和穩定飽和態是交替出現的,其特徵是典型的倍周期分岔,輸出功率譜是分立的。
  8. Abstract : this paper considers the decentralized stabilization problem via local state feedback control laws for a class of large - scale linear discrete - time systems with delay interconnections. a sufficient condition for decentralized stabilizability is derived and is expressed as a system of linear matrix inequalities. furthermore, the problem of designing a decentralized state feedback control law with smaller feedback gain parameters is formulated as a convex optimization problem, and latter can be solved by using existing efficient convex optimization techniques. the obtained controller enables the closed - loop systems to be not only stable, but also of any prescribed stability degree

    文摘:用一組線性矩陣不等式給出一類線性離散時滯大系統分散能鎮定的一個充分條件,進而,通過建立和求解一個凸優化問題,提出了具有較小反饋增益參數的分散穩定化狀態反饋控制律的設計方法.所得到的控制器不僅使得閉環系統是穩定的,而且還可以使得閉環系統狀態具有給定的衰減度
  9. Although model examination is the main assistant means of theory study to reinforced concrete structures, it can relatively reflect the actual force state of the reinforced concrete structures or components, but due to the characteristics of the reinforced concrete structures, model examination has disadvantages : the workload of model facture and examination is heavy, the result of examination is discrete, expense of examination is expensive, it requires much manpower 、 many material resources 、 many equipments and many fields

    雖然模型試驗是輔助鋼筋混凝土結構理論研究的主要手段,它能夠比較真實的反映鋼筋混凝土結構或構件的受力情況,但模型試驗由於鋼筋混凝土結構的特點:模型製作和試驗工作量大,試驗結果的離散性大,試驗費用高,需要較多的人力、物力、設備和場地。
  10. A soli state rely ( ssr ) is an electronc swithig device utilizing discrete semiconductors, integrated circuit and microelectronic technologics to provide electrical isolation and signla coupling between the control circuit and the output circuit without the use of moving part or contacts

    本產品具有體積小、重量輕、靈敏度高、開關速度快、輸出功率大、無觸點抖動、無火花干擾、密封防水防磁防爆、高可靠、長壽命。
  11. The random mathematical model is described using equivalent markov equations. the time and state parameters are discrete. based on the model, the flow rate distributions along radial and average at any height can be calculated directly, moreover, the probability transition matrix of the flow can be determined via the statistic character of the random cumulate particles, and be corrected by s. cd the random theoretical model shown in fig. l, the section of the bed of tbr is divided into a series of concentric circles

    一、在常溫和常壓下進行滴流床反應器流率分佈的研究,以狀態離散、時間離散的齊次markov過程描述了滴流床在滴流區的流率分佈,建立了滴流床在滴流區流率分佈的隨機模型,根據此模型可以: 1 、可直接確定任一高度下的液體徑向流率分佈及平衡流率分佈; 2 、液體流動的概率轉移矩陣可由隨機堆積顆粒的統計特性確定,以參數s修正。
  12. Firstly, the paper models the multivariable discrete state - space model of the air transmission unit by the lab method, using multi - dimensional inverse m series as input stimulus signal

    首先利用多維逆m序列作為激勵輸入信號,用實驗法建立出空氣傳送部分的多變量離散狀態空間模型。
  13. For quantitative analysis of the combat platform fire application, the markov chain model of combat platform with reciprocal striking, hasty break through and shooting to dense target is studied by setting up markov chain which state and time are discrete according to the markov property in this process

    摘要針對定量分析戰斗平臺火力運用問題,根據該過程所具有的馬爾可夫性特點,將其描述為狀態離散、時間離散的馬爾可夫鏈,由此研究了一對一格鬥、倉促突破戰斗、對密集目標群射擊等情況下的馬爾可夫鏈模型。
  14. To answer the first question, a method is developed to store the inventory data at only some discrete time ponts. these time points are determined by time interval and events defined in this paper. for the second question, we use soft computing to recovery the state at any time point

    文中還提供了一個庫存動態管理的開發實例,連續問題離散化的方法和庫存動態管理模擬演算法在該系統中得到應用,並很好的實現了原油庫存的動態管理,其中動態庫存管理在計劃與調度過程中也是必要的。
  15. Reinforcement learning algorithms that use cerebellar model articulation controller ( cmac ) are studied to estimate the optimal value function of markov decision processes ( mdps ) with continuous states and discrete actions. the state discretization for mdps using sarsa - learning algorithms based on cmac networks and direct gradient rules is analyzed. two new coding methods for cmac neural networks are proposed so that the learning efficiency of cmac - based direct gradient learning algorithms can be improved

    在求解離散行為空間markov決策過程( mdp )最優策略的增強學習演算法研究方面,研究了小腦模型關節控制器( cmac )在mdp行為值函數逼近中的應用,分析了基於cmac的直接梯度演算法對mdp狀態空間離散化的特點,研究了兩種改進的cmac編碼結構,即:非鄰接重疊編碼和變尺度編碼,以提高直接梯度學習演算法的收斂速度和泛化性能。
  16. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的雷達觀測量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  17. The continuous state system is described by using abstract language method, and the discrete event plant model is attained by consistent partition of the space of continuous state system

    用抽象語言方法描述連續狀態系統,通過對連續狀態系統空間的一致性分劃,抽象出離散事件對象模型。
  18. The prediction control problem for discrete time - delay system and continuous time - delay system with sinusoidal disturbance is concerned in this paper. chapter 3 is to remove the time - delay from a discrete system with control time - delay by predictive control. the state predictive observer and optimal predictive controller for the discrete delay system based on a state space model are presented

    對于離散時滯系統,本文第三章通過構造預測模型所得的系統輸出預測向量和系統的控制向量,為系統設計了全維狀態預測觀測器( spo ) ,並將該狀態預測觀測器應用於多步預測控制,根據最優控制理論,構建了全維模型預測控制器。
  19. By means of linear matrix inequalities, a sufficient condition is given such that a prescribed discrete singular system is admissible and strictly passive. moreover, under certain conditions, a static state feedback control law is designed such that the resulting closed - loop system is both admissible and strictly passive

    利用線性矩陣不等式,給出離散廣義系統容許且嚴格無源的充分條件,並且基於此條件在一定假設下給出存在狀態反饋控制器,使得閉環系統容許且嚴格無源的充分條件。
  20. However, because coordination graph needs discrete state variant, it ca n ' t be applied in continuous state space such as robocup which communication condition is limited

    但是協作圖要求離散狀態變量,所以無法直接應用到類似robocup這種通訊條件受到限制的連續狀態空間。
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