時變參數 的英文怎麼說

中文拼音 [shíbiànshēnshǔ]
時變參數 英文
time-varying parameters
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 參 : 參構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. Then the characteristic and estimation approaches of two important time variant parameter ( tvp ) and state dependent parameter ( sdp ) models are presented and the efficiency of the dbm method is illustrated by three examples based on the analysis of duffing equations, lorenz equations and time - variant equation, in contrast with other methods

    本文首先總結了dbm在常規黑箱辨識演算法中的基本框架和兩類重要模型?時變參數（ timevariantparameter ， tvp ）模型和狀態依存參數（ statedependentparameter ， sdp ）模型的特點及其估計演算法。
  2. The mathematics model of newsboy problem with time - based parameter is given, and through analyzing model and numerical instance, it shows, with contrast of traditional newsboy problem that time factor is not taken into account, the former can increase the income of the dealer

    建立了正態分佈下時變參數的報童問題的數學模型，通過模型的求解和數值分析，結果顯示，與傳統的不考慮時間因素的報童模型相比，前者能夠增加零售商的收益。
  3. Cubic spline functions polynomial are used directly to approximate the time - varying coefficients

    利用三次樣條基函數多項式逼近時變系數，將時變參數的佑計轉化為定常參數的估計。
  4. Application of gradient algorithm in time - varying control of rotor vibration

    具有魯棒性的一種時變參數估計演算法
  5. Convergence of forgetting gradient estimation algorithm for time - varying parameters

    時變參數遺忘梯度估計演算法的收斂性
  6. Empirical analysis of fiscal expenditure effectiveness with time - varying parameter model

    財政支出政策效應的時變參數分析
  7. Robust control of a class of nonlinear system with time - varying parametric uncertainties

    一類具有時變參數不確定非線性系統的魯棒控制
  8. Pricing for european lookback options with time varying parameters and stochastic life

    基於時變參數且具有隨機壽命的歐式回望期權的定價
  9. 2 the inductance of generator ' s stator windings and rotor windings are derived, using air - gap permeance method

    以線圈為單位計算參數，需要計算的參數多，又大多是時變參數。
  10. This paper lays emphasis on the research of internal connection of various time varying parameter identification methods

    摘要本文重點研究了現有各種時變參數識別方法的內在聯系及各自特點。
  11. Parameters of the dynamic statistical model at the time - varying parameters, variation of parameter reflects the variable trend of seepage

    動態模型的統計參數是隨時間變化的時變參數，參數的變化反映了大壩的滲流變化趨勢。
  12. The afo is an adaptive observer with strong tracking properties, which can accurately estimate the unknown time - varying parameters besides nonlinear state function

    該觀測器演算法是一種具有強跟蹤性質的自適應觀測器，能在估計非線性狀態函數的同時準確估計未知時變參數。
  13. 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。
  14. Especially, in the essence, multi - level recursive predication method divides the condition on system into two parts : time - varying parameters predication and the condition predication on system on the basis of the former

    特別是多層遞階預報方法，其本質是把對系統的狀態預報分為兩部分，對系統時變參數的預報和在此基礎上的對系統的狀態預報。
  15. Then, robust fault detection and isolation problems for time - delay linear parameter - varying systems are investigated in this thesis. the residual generators are created by parameter - dependent filters, i. e. the designed filters are time - varying whose matrices parameters are known functions of time - varying parameters

    其次，本論文研究了時滯lpv系統的魯棒故障檢測與分離問題，利用參數依賴濾波器構造殘差產生系統，即所設計的故障檢測濾波器也是時變系統，其參數矩陣是時變參數的確定函數。
  16. The response and excitation signals are first decomposedusing the daubechies wavelet scaling function. then the differential vibrationequations of the time - varying system are transformed into simple linear equationsbased on the orthogonality of the scaling functions. the physical parameters can beidentified directly by solving the linear equations

    運用daubechies小波對線性時變系統的激勵和該激勵作用下的響應做變換，將變換后的響應和激勵代入微分方程，利用daubechies小波尺度函數的正交性，將微分方程轉換成簡單的代數方程組，求解方程組，識別系統的時變參數。
  17. The results show that although dbm method can fit the systems with high precision, avoid over - fitting and accurately reflect the time - variance and state - dependency in the systems, it may also reduce the efficiency of the whole method due to the exponentially increasing calculating numbers with the increase of the number of the states. and genetic algorithm is introduced to improve the search efficiency

    接著利用dbm方法和其他非線性辨識演算法分別對時變參數方程、 lorenz方程和杜芬方程進行分析和比較，發現盡管方法本身具有擬合精度高，不存在過擬合現象，可以較精確的反應參數對于狀態或者時間的依存關系等特點，但是sdp方法在分析復雜問題時存在搜索效率低，計算時間長的缺點。
  18. It is the result of applying the system - distinguished method out of controlling theory to prediction. spurning the stationary parameter prediction model, the multiplayer - transfer method regards the predicted variable as a random, dynamic, time - changing system. it decomposes the time - changing status variable prediction into two steps : first, predicting the time - changing parameters ; second, on the basis of the first step, predicting the system status variable

    多層遞階方法摒棄了一般統計預測方法中所使用的固定參數預測模型，而將預測對象看成是隨機動態的時變系統，把時變系統的狀態預測分離成為對時變參數的預測和在此基礎上對系統狀態的預測兩部分，對時變參數的預測導致狀態預測誤差的減小。
  19. ( 2 ) wavelet networks are introduced to gpc. several nonlinear gpc algorithms based on wavelet networks are given : a nonlinear gpc base on predictive error compensation is designed, in which wavelet network is used to model the predictive error ; a new structure of multi - step predictive controller is constructed in which wavelet networks are used to identified the nonlinear directly ; a single - step predictive controller is given, in which a wavelet networks are used to estimate the parameters of the linear time - varying system. ; an a implicit gpc for nonlinear system is presented, in which wavelet networks are used to estimated the time - varying parameters of the generalized predictive controller

    （ 2 ）將小波網路與非線性廣義預測控制相結合，設計了多種基於小波網路的非線性廣義預測控制：考慮到建模誤差對多步預報的影響，引入小波網路估計預報誤差，對輸出預報進行修正，提高了控制性能且不影響系統的穩定性；利用小波網路構造多步預測器，設討了非線性系統多步預測控制演算法；利用小波網路逼近非線性系統廣義預測控制器的時變參數，設計了非線性系統隱式廣義預測控制器；利用小波網路辨識時變系統參數並直接用於構造控制器，設計了非線性系統單步預測控制演算法。
  20. The problem of local parameter optimization in low synchronization bunch _ rank speed - control system has been researched in this paper. the paper analyzed the problems existing in trational double closed _ loop bunch _ rank speed - control system, and pointed out the influence on performance of system caused by nonlinear parameter with timing variety. added a local mit self _ adaptive controller to double _ closed loop bunch _ rank speed - control system. the results of computer imitating indicated that under same disturbance the performance of system has been improved obviously. 5figs., 1tab., 4refs

    對低同步串級調速系統中局部參數最優化問題進行了分析研究.從理論上分析了傳統的雙閉環串級調速系統中存在的問題，指出了系統中非線性時變參數對系統性能的影響.在雙閉環串級調速系統中增加局部mit自適應規則.計算機模擬結果表明:在相同的擾動作用下，系統的性能得到明顯改善.圖5 ，表1 ，參4
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