離散參數系統 的英文怎麼說

中文拼音 [lísǎnshēnshǔxìtǒng]
離散參數系統 英文
discrete parameter system
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 參 : 參構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 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 ...
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  • 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. Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed

    發動機參數採集器通過硬連線與發動機電子控制器、燃油管理系統、發動機及蓄電池相連，採集模擬量、頻率量及離散量信號等參數，並對採集的數據進行運算、比較與處理，最後通過標準rs ? 422a串口和發動機參數顯示器及其它設備進行通訊。
  2. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。
  3. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是：改造現有圖形結構，先建立能反映信噪比大小且含待定參數k的表達式，然後通過離散型h0pfi舊單層反饋神經網路，再結合前邊的混合濾波器構成一個非線性控制系統，寫出對應的網路函數，利用相平面法和李雅普諾大穩定性的判據，得到一個穩定的極限環，從而確定出參數卜的范圍，進而再對原來的小波軟閾值進行修正，用修正後的值作為小波閾值。
  4. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 ， and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統（ pwm ）和位置環構成的定位系統中，速度環的參數隨負載特性；電網電壓；給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 ， 2 .因此在設計位置環的離散滑模控制時，必須針對速度環（即位置環的控制對象）的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ，以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果，本文作了對比性研究，並將該設計方法用於工業試驗中，取得了滿意的結果
  5. A. teel, d. nesic etc. initially studied iss stabilization of nonlinear sample - data systems of this type in 1998. practical stabilization of nonlinear sampled - data systems based on discrete - time approximation with sufficiently small sampling periods has been studied in recent years. the sufficient conditions have been given for the practical st abilization of the above case

    第三部分：在采樣周期固定的條件下，研究基於近似離散化模型上設計的關于參數t一致的漸近穩定采樣控制器能夠以漸近穩定方式一致鎮定其連續受控系統的條件。
  6. Backstepping - based adaptive control and synchronization of chaotic systems

    一類二維離散混沌系統在不同系統參數下的自適應混沌同步
  7. Set up a model for lfm signal detection and parameter estimation on the basis of realization of the digital computation of discrete fractional fourier transform 4

    3 .在分數階fourier變換離散數值計算實現的基礎上，建立了lfm信號的檢測與參數估計系統模型，並模擬實現。
  8. Next, robust decentralized stabilization problems for a class of interconnected fuzzy large - scale systems with parametric uncertainties are considered in this dissertation, both for continuous - time and discrete - time case

    其次，本論文研究了一類具有參數不確定性的連續時間及離散時間關聯模糊大系統的分散魯棒鎮定問題。
  9. The solution proposed here identifies important parameters with which to characterize the point spread function ( psf ) of the blur, given only the blurred image itself

    這里提出的方法是僅根據模糊圖像本身，求出確定系統點擴散函數（ psf ）的重要參數-模糊距離。
  10. 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
  11. As we know, correct identification of the psf parameters permits fast high resolution restoration of the blurred image. using the method, we can quickly restore the blurred image on line, and when the noise of the image is bigger, it can perform very well to identifity the blurred distance

    當確切知道模糊系統的點擴散函數時，就可以快速有效地恢復模糊圖像，使用本文方法，可以滿足適時性圖像處理的需要，並且不需要事先知道相機的系統參數，在圖像噪聲較大的情況下，也可以很好的確定出來模糊距離。
  12. Stochastic subspace identification method is the major in this article, and this method is based on the theory of projection of row space, and also uses qr decomposition, svd decomposition as well as least squares estimate to state space matrices of the discrete system so as to achieve the parameters of the dynamic behavior and it can achieve an accurate result

    隨機子空間法是本文的論述重點，它運用了行空間投影的理論，通過qr分解和svd分解以及最小二乘估計來識別離散后的系統狀態空間矩陣，從而得到系統的動力學特性參數，識別精度較高。本文詳細的推導了隨機子空間法的理論公式，並編寫出相應的matlab程序。
  13. The notion of strictly passive is proposed for discrete singular systems. this paper concerns the robust passive control problem for discrete singular systems with uncertain parameters under bounded energy exogenous inputs

    最後研究具有未知定常不確定參數的離散廣義系統在有界外部輸入作用下的魯棒無源控制問題。
  14. Transforming the problem of robust hurwitz and schur stability of interval system into checking the nonsingularity of a set of uncertain matrices, then establish necessary and sufficient conditions for the robust hurwitz and the robust schur stability of interval system base on - analysis. 3. a new sufficient lmi condition for the robust stability is established with respect to polytopic uncertainty

    把區間系統等價轉換為一參數擾動矩陣集，利用這個轉換我們把連續區間系統的魯棒hurwtiz穩定和離散區間系統的魯棒schur穩定的等價於一參數擾動矩陣集的魯棒非奇異問題，然後利用結構奇異值的定義，給出區間系統的魯棒hurwtiz穩定和魯棒schur穩定的結構奇異值的充分必要條件。
  15. According to the present problems and developing tendency of hydraulic turbine governor, four main issues of this field are studied in this paper. the content include hydraulic control system, frequency measurement unit, stability of the discrete control system, optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic. several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed, which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly

    本文根據水輪機調節領域存在的問題和發展趨勢，對水輪機調速器的液壓控制系統、頻率測量環節、離散調節系統穩定性與調節參數最優整定以及適應式參數自調整pid控制策略進行了研究，得到以下主要成果和結論：首次提出了採用步進電機驅動的步進式電液引導閥，從根本上解決了水輪機調速器電液隨動系統中存在的電液轉換元件發卡、堵塞問題，使電液隨動系統的可靠性大大提高。
  16. The system applies some key technology : 1. intelligent technology : including fuzzy - control algorithm, analogy expert system, self - diagnostics technology, and " pnp " technology for sensor ; 2. distributed system structure : with the help of pc, assistant functions such as the dada processing, the data printing and parameter configuration are completed. the mcs - 51 is used as a bottom computer, which can independently run, finishes the entire control task

    該應用系統採用了以下關鍵技術： 1 ）智能化技術，包括模糊控制演算法、模擬專家系統、自診斷技術、傳感器的「即插即用」技術； 2 ）分散式的系統結構方式，以pc機為上位機，完成數據列印、數據處理、參數設置等輔助功能；採用mcs - 51單片機為下位機，完成全部控制功能，下位機可脫離上位機獨立工作。
  17. This paper studies inverse design problem of generalized eigenvalue problem of linear parameter discrete vibration system

    本文研究了具有線性參數的離散振動系統廣義特徵值逆設計問題。
  18. Then, the robust property of rcs is studied for a class of time - delay singular discrete systems with perturbations of delay parameter jump. the robust rcs delay - dependent conditions of these systems are provided in the form of lmi

    然後，研究了一類具有時間滯后參數跳變擾動的時滯離散廣義系統的魯棒穩定性問題，以線性矩陣不等式的形式提出了時間滯后相關的魯棒rcs判據。
  19. Based on modeling and analyzing the discrete mathematic model of hydraulic turbine governor system, the edge equation of stable domain of the discrete control system is obtained. according to this equation, the stable domain is specified. compared with continuous system, the changing rules and characters of the discrete system are found, which provide the theoretic foundation for researching the control strategy and the parameter adjustment of discrete control system of the hydraulic turbine governor

    在建立水輪機調節系統離散數學模型的基礎上，通過分析，給出離散調節系統的穩定域邊界控制方程，通過穩定域繪制，比較離散與連續系統的差異，找出離散調節系統穩定域的變化規律和特點，從而為研究水輪機離散調節系統的控制策略及調節參數整定提供理論依據。
  20. Multi model method of dynamic integrated system optimization and parameter estimation for nonlinear discrete dynamic systems

    非線性離散動態系統優化與參數估計集成的多模型方法
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