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covariance stationary process中文什么意思

發(fā)音:   用"covariance stationary process"造句
  • 協(xié)變平衡過程
  • 協(xié)方差平穩(wěn)過程
  • covariance:    n. 【統(tǒng)計學】協(xié)方差，協(xié)變性；共離散。
  • stationary:    adj. 不動的，靜止的，不變的；不增不減的，固定的，裝 ...
  • process:    vi. 〔口語〕排隊走，列隊行進 〔procession ...
  • stationary process:    定常過程; 恒定程序; 恒穩(wěn)過程; 平穩(wěn)過程; 平穩(wěn)隨機過程; 穩(wěn)定程序; 穩(wěn)態(tài)過程
  • joint stationary random process:    聯(lián)合平穩(wěn)隨機過程
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例句與用法

  1. The relationship of the spca , pca and kpca are established . according to the covariance stationary processes , spca arithmetic also has certain stability and convergent similar to pca arithmetic
    由協(xié)方差平穩(wěn)過程，得到譜主成分分析算法也有類似于主成分分析算法的穩(wěn)定性和收斂性。
  2. In this thesis , based on principal component analysis ( pca ) , covariance stationary processes and spectral analysis theory of linear operator , spectral principal component analysis ( spca ) is put forward
    在主成分分析的基礎上，基于協(xié)方差平穩(wěn)過程理論和線性算子譜分析理論，本文提出了譜主成分分析。
  3. 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(xié)方差平穩(wěn)隨機過程的狀態(tài)是一維的，對給定的樣本點，給出了協(xié)方差函數(shù)的估計和其對應譜(密度)函數(shù)估計，而不必選擇核函數(shù)及其參數(shù)。
  4. 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(xié)方差平穩(wěn)過程的協(xié)方差函數(shù)與積分方程中對稱正定mercer核函數(shù)的等價關系，即協(xié)方差平穩(wěn)過程的協(xié)方差函數(shù)是對稱正定mercer核函數(shù)，反過來，對給定的對稱正定核函數(shù)，證明了存在協(xié)方差平穩(wěn)過程，使得此協(xié)方差平穩(wěn)過程對應的協(xié)方差函數(shù)恰好為給定的對稱正定核函數(shù)，這說明協(xié)方差函數(shù)和對稱正定核函數(shù)是等價的。

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