multiple convergence 中文意思是什麼

multiple convergence 解釋
多輻合
  • multiple : adj 1 多重的；復合的 復式的 多數的 多樣的。2 倍數的 倍。3 【電學】並聯的；多路的 復接的。4 【植物...
  • convergence : n. 1. 聚合，會聚，輻輳，匯合。2. 集合點；【數、物】收斂；【生物學】趨同（現象）。
  1. Based on the discussions of the conventional and recent methods of short term load forecasting such as time series, multiple regression approaches and artificial intelligence technologies, this paper presents a hybrid short term forecasting model which combines the artificial neural network ( ann ) and genetic algorithm ( ga ). in order to improve the convergence speed and precision of the back - propagation ( bp ), a new improved algorithm - the adapted learning algorithm based on quasi - newton method is given

    本文首先分析比較了電力系統短期負荷預測的傳統方法時間序列法和回歸方法以及最近的專家系統和神經網路技術的優點和不足，然後針對人工神經網路bp演算法的不足對其進行了改進，採用了基於擬牛頓的自適應演算法，它提高了網路學習效率，具有較快的收斂速度和較高的精度。接著提出了改進的遺傳演算法來改善神經網路的局部收斂性。
  2. Rate of convergence for multiple change - points estimation of moving - average processes

    滑動平均過程多變點估計的相合速度
  3. The dissertation is dedicatd to the theory of maximum nongaussianity estimation in ica, and some problems are emphasized, e. g., the uniqueness of estimation, the convergence of fastica, the constraint of independence and the nonlinear activation function, the algorithms for multiple components and the order of independnent components

    本文重點研究最大非高斯估計的相關理論問題，包括估計的唯一性，演算法的收斂性，獨立性約束分析和非線性激活函數，獨立分量的排序和子空間的選擇，具有時間結構信息的信號源的估計等。
  4. The characteristics of sa and ga are analyzed intensively, which involves search mode, the mathematical analysis and experimental aspects of the underlying processes in the algorithms, convergence discussion and detailed operation procedures. then the modified versions are presented. these new algorithms are mossa ( multiple operation structure sa ), nga ( normalized ga ) and hga ( hybrid ga )

    在以上分析研究基礎上，結合水聲信號處理的特殊性，在第四章提出了多操作結構模擬退火演算法（ mossa ） ；第六章提出了改進的ga演算法，如歸一化遺傳演算法（ nga ） ，變結構遺傳演算法和混合式優化演算法等，並對其進行了基本性能分析評估。
  5. Making use of the idea of the parallel genetic algorithms, presenting the adaptive multiple subpopulation evolutive strategy. presenting extinction and immigration strategy in order to avoid the similar or even same individuals appear. in order to enhance convergence velocity of reactive power optimization of the radial distribution system, combining the characteristic of the radial distribution system, a sensitivity analysis approach was build up for optimal selection of capacitors and mutation of transformer tap changer

    為了提高配電網無功優化的收斂速度，結合配電網的特點，提出採用簡單可行的靈敏度公式選擇無功電容補償器的安裝地點，並用靈敏度分析變異變壓器分接頭，使變異運算元的選取更符合配電網無功優化問題中關于調節變壓器分接頭的實際情況，減少了一些不必要的變異運算，使適應性和魯棒性加強；根據實際情況採用無功補償電容器的啟發式變異，使變異運算元的選取更符合無功優化問題中關于補償電容器的實際。
  6. The aim of this thesis is to analyze the super - convergence and stability of continuous finite element methods which is a type of numerical me - thods solving the 1 - degree lineal initial value problem of ordinary differential equation, and compare the stability of the three 4 - order pre - cision numerical methods of the 1 - degree initial value problem of ordinary differential equation - classical runge - kutta method ( single step method ), adams hidden method ( multiple step method ), and continuous finite element method

    本文針對一階線性常微分方程初值問題的連續有限元法的超收斂性和穩定性作了分析，並對一階線性常微分方程初值問題的具有4階精度的三類數值方法? ?經典runge - kutta法（單步法） ， adams隱式格式（多步法） ，連續有限元法的穩定性作了比較。
  7. The results demonstrate that the ward - pv equivalent based discrete power flow arithmetic takes on better convergence in the case of multiple system pv buses

    模擬結果表明，在系統pv節點較多地情況下，基於ward ? pv等值的分散式潮流演算法具有更好的收斂性。
  8. The two calibration projects are both based on de - spreading the reference signal. because they require a prior knowledge of the auxiliary signal, such as pn spread code, doa, constant modulus and so on, the fast and robust convergence can be ensured, and the multiple - access interference ( mai ) can be eliminated

    由於利用了輔助信號源的先驗知識，如擴頻碼、輔助信號的doa 、比特信息及恆模特性等，有源校正技術不僅克服了自校正技術收斂慢的弱點，還消除了不利於校正的多徑影響。
  9. The almost everywhere convergence problem of certain multiple operators

    一類乘子運算元的幾乎處處收斂問題
  10. Sdh - based mstp can build networks of rings or tangency rings, so it has strong ability of constructing networks, which means it may used for multiple service types such as point - to - point, multi - point - sharing or convergence

    在系統的設計中應用了vlan技術、 lcas協議、 gfp laps封裝技術，基於sdh的mstp可組成環狀網、相切環等拓撲結構，具有很強的組網能力。
  11. 4. because genetic algorithm obtains local optimal solution at times, an approach was advanced that incorporates simulated annealing into genetic algorithm to improve the performance of genetic algorithm. an annealing operation is added and can improve the convergence rate evidently in multiple sequence alignment

    針對遺傳演算法容易陷入局部最優解的缺點，提出模擬退火演算法與遺傳演算法相結合的思想，在遺傳操作中加入退火操作，可明顯提高多序列比對進化後期的收斂速度。
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