stationary function 中文意思是什麼

stationary function 解釋
平穩函數
  • stationary : adj. 不動的，靜止的，不變的；不增不減的，固定的，裝定的。n. 1. 不動的人，固定物。2. 〈pl. 〉駐軍。n. -ariness
  • function : n 1 功能，官能，機能，作用。2 〈常 pl 〉職務，職責。3 慶祝儀式；（盛大的）集會，宴會。4 【數學】...
  1. If the covariance stationary processes are one dimension, for given data, covariance function and spectral density function can be estimated, and there is no need to select kernel function and its parameters

    如果協方差平穩隨機過程的狀態是一維的，對給定的樣本點，給出了協方差函數的估計和其對應譜（密度）函數估計，而不必選擇核函數及其參數。
  2. We proof the covariance function of covariance stationary processes is equivalent with mercer kernel function. that is, the covariance function of covariance stationary processes is a mercer kernel function ; in reverse, for a given mercer kernel function, there exists a covariance stationary processes, and the covariance function corresponded to this covariance stationary processes is the given symmetry positive - definite kernel function. it means that the covariance function is equivalent to symmetry positive - definite kernel function

    首先建立了協方差平穩過程的協方差函數與積分方程中對稱正定mercer核函數的等價關系，即協方差平穩過程的協方差函數是對稱正定mercer核函數，反過來，對給定的對稱正定核函數，證明了存在協方差平穩過程，使得此協方差平穩過程對應的協方差函數恰好為給定的對稱正定核函數，這說明協方差函數和對稱正定核函數是等價的。
  3. Base on helmholtz integral equation, the incoherent scattering of plane wave from rough cone - shaped surface is derived with the far field theory and stationary phase method. and the incoherent scattering of plane wave from rough conical surface is also derived with shadowing function when the the radius of principal

    最後計算並分析了入射光為= 0 . 48 m時，粗糙錐面的平面波散射特性，考察了入射波和散射波的幾何關系，偏振態以及粗糙面統計參量等對散射強度的影響。
  4. Optimal power flow using particle swarm optimization and non - stationary multi - stage assignment penalty function

    基於粒子群優化演算法和動態調整罰函數的最優潮流計算
  5. With straton - chu intergral as the theoretical basis and by means of green ' s function in infinite uniform media, the electromagnetic shift describes the propagation process of quasi - stationary electromagnetic field in lower - half space

    電磁偏移以斯特萊頓朱型積分為理論基礎，藉助于無限均勻介質中的格林函數，描述了似穩電磁場在下半空間的傳播過程。
  6. This paper consists of two parts : in the first part, we will discuss the prob - lem of the pth - mean, complete consistency for the estimators of a nonparamet - ric and linear model with l ~ p - mixingale errors ; in the second part, we will dis - cuss the problem of the rth - mean 、 complete consistency for the estimators of themodels above with weak stationary linear process errors and the uniformly mean consistency. to the nonparametric model y _ ni = g ( x _ ni ) + _ ni, 1 i n, let g _ n ( x ) = w _ ni ( x, w _ n1, … ? xnn ) y _ ni estimate the unknown function g ( x ). to the linear model y _ i - x _ i1 1 + … ? + x _ iq ? _ q, we use lse _ nj to estimate the unknown parametric _ j

    本篇論文主要是由兩大部分內容構成：一是關于誤差是l ~ p ?混合序列的線性回歸模型參數的最小二乘估計與非參數回歸模型未知函數的權函數估計的p ~ -階平均相合性和完全收斂性問題；另一部分是關于誤差是弱平穩線性過程的線性模型參數的最小二乘估計與非參數回歸模型未知函數的權函數估計的r ?階平均相合性和完全收斂性以及權函數估計的一致平均相合性問題。
  7. When the plane wave returns and crosses the molecule, it produces an interference pattern with the stationary part of the electron wave function, like two trains of water waves crossing and forming a checkerboard disturbance

    一旦平面波折返並橫越過分子，它便會與待在軌道上的電子波產生干涉圖樣，就像是兩道水波相遇所形成的西洋棋盤般明暗交錯的擾動。
  8. The envelop functions of ground motion for the small - moderate earthquakes in the near - source field are different with those of the larger earthquakes. there are not stationary part any more in the envelop function of these ground motions. after we analyze the characteristics of these envelope functions we take a exponent function instead the three part function

    近場的中小地震由於其在到震源的距離與震級方面的特殊性，其時程包絡函數的形狀與遠震、大震有很大的區別，在遠震、大震包絡函數中很常見的平穩段不再存在。
  9. In the second, in allusion to non - stationary the characteristic of the signal, the author introduces to the method that using empirical mode decomposition to analysis the vibration signal so that the signal are made up of some intrinsic mode function, after this process, we can use stochastic subspace identification to identification the mode parameter of the structure and find the same work frequency

    其次，針對氣閥振動信號的非平穩特點，本文採用了經驗模式分解法（ empiricalmodedecomposition ）對振動信號進行分析處理，使之成為若干個基本模式函數imf （ intrinsicmodefunction ）和一個殘余量的線性組合。接著採用隨機子空間參數識別法對各個基本模式函數其進行結構參數識別，同時找出各種狀態的共同工作頻帶。
  10. Epstein ' s microengine only has two parts : a moveable rotor and a stationary structure that together function as the compressor and combustor

    愛匹斯丁的微型引擎只有兩個部分：一個可轉動的的轉子和一個固定的腔室，它們共同成為壓縮機和燃燒機。
  11. Based on priestley ' s evolutionary spectrum theory, an evolutionary process modulated by decline composite exponential function, is investigated as one kind of non - stationary excitation commonly encountered in engineering, the analytical solution of the response properties is gained due to proper simplification

    基於priestley的演變譜密度理論，對于工程中常用到的衰減指數函數調制的演變過程激勵，可以通過對結構響應的合理簡化，得到響應特徵的解析形式。
  12. Functions optimization for multi - modal functions optimization and non - stationary are one of important research subjects of function optimization. both of the problems are difficult to be solved by stochastic optimization algorithms in existence

    多模態函數和時變函數的隨機優化問題是函數優化的重要研究內容，也是一個難以解決的問題。
  13. Results showed csa had strong ability of function optimization and maintaining diversity. it was one of effective algorithms for multi - modal functions and non - stationary functions optimization

    研究結果表明，該演算法優化能力和保持模式多樣性的能力較強，能夠獲得較好的多模態函數和時變函數優化效果。
  14. Time dependent correlation function of linear systems excited by non - stationary spatially varying excitation

    有相位差非平穩隨機激勵下系統的響應
  15. We then consider the n policy m / g / 1 queueing model with two priorities. by using the supplementary variable method to analyze the state probability equations, we derive the generating function of queueing length distribution and the mean queue length in the buffer of the communications network. and through further discussing for the queue with various priorities, we derive the generating function of queueing length distribution and the stationary queueing length in queue models with various priorities

    其次研究帶有兩個優先權的n策略m g 1排隊模型，利用補充變量法對狀態概率方程組進行分析，得出了此排隊系統隊長分佈母函數及通信網緩沖器中的平均隊長，並對不同優先權隊列的進一步討論，得出了不同優先權隊列的隊長分佈母函數及穩態隊長。
  16. We consider a causal, stationary, autoregressive, moving average [ arma ( p, q ) ] process with heavy tailed noise variables. we develop the definition of the inverse autocorrelation function, and obtain the g - spectral estimator of the inverse autocorrelation function

    本文基於噪聲序列具有重尾分佈的因果、平穩自回歸滑動平均[ arma （ p ， q ） ]過程，給出了其逆自相關函數的定義，並且給出了逆自相關函數的g -譜估計。
  17. The two - dimensional statistical model of terrain is described by planar non - stationary random process and function w - m in topography. on the basis of the statistical model of terrain, the simulated digital maps are produced by computer

    對模擬中用到的二維隨機過程和分形學中的w - m函數產生地形數學模型的方法做了討論，採用二維隨機過程的方法產生了數字模擬地圖。
  18. According to the orthogonal wavelet conditions, a two - dimensional adaptive stationary wavelet which matches the fabric texture is constructed by using the average energy ratio between the defect area and defect - free area as optimal objective function

    摘要根據小波正交條件，通過使用疵點圖像的疵點區與無疵點區能量均值比為優化目標函數，構造與織物紋理模式相匹配的二維自適應平穩小波。
  19. This paper looks soil as homogeneous stationary random fields, expatiates the application of the random process in the geotechnical engineering and establishes the basic concept, its assortment and digital feature of random process and random fields, tests whether this random fields is a stationary process and whether it is ergodic, applies correlation function theory and variable function theory in the study of the random fields of soil parameter, acquires the relation of the two theories and draws the conclusion that they are equal essentially, fits the measured curve by using the correlation function method, variable function method and other methods, and acquires the value of correlation distance, applies the random fields theory of soil parameter in actual engineering, estimates the value of elevation and other soil parameters of 92 holes in baoding city and the results are satisfying

    將相關函數理論和變異函數理論分別應用於巖土參數隨機場的研究中，通過運用這兩種理論對巖土參數特性的描述，得出這兩種理論的內在聯系及其本質一致性的結論。分別運用相關函數法、變異函數法及其它求解相關距離的方法對實測函數曲線的擬合，得出描述空間相關程度的度量? ?相關距離（或變程） ，對用這幾種不同方法得出的相關距離（或變程）值進行了比較，並對這幾種方法的優劣和實用性做了評比。將巖土參數隨機場理論運用於工程實際，對保定市區某場地的92個鉆孔的各層位的層底標高及其它幾種常見的巖土參數做出了估計，預測結果比較令人滿意。
  20. Adaptive neural network model identification of uncertainty systems can be described as optimization of a non - stationary function

    不確定系統的自適應神經網路模型辨識的實質是一個時變函數優化問題，克隆選擇演算法適應性強，適合用於求解此類優化問題。
分享友人
分享到 Line

分享到臉書