surrogate data 中文意思是什麼
surrogate data
解釋
代用數據-
At first, construct ten sets of surrogate data for each emg data, then calculate the correlation dimension ( dcorr ), correlation time, maximum lyapunov exponent ( a, ), l - z complexity and approximate entropy ( apen ) of both the original emg data and surrogate data, and then compare them
構造這四例肌電信號的代替數據（各十組） ，分別計算原數據及其代替數據的關聯維、關聯時間、最大李雅普諾夫指數、 l - z復雜度和近似熵，我們發現，四例原數據的以上所有特徵量都與各自所對應的十組代替數據存在明顯差別。 -
Application of surrogate data method in electromyograph analysis
替代數據法在肌電信號分析中的應用 -
The results indicate that there is chaos in the real given fault gear signal and the surrogate data technique can identify chaos exactly
結果表明，齒輪故障信號存在混沌特徵，替代數據法能對其進行準確識別。 -
We find that all the results are quite different between each original emg and its ten surrogate data, i. e. emg is not a linear random noise, but a nonlinear deterministic signal ( though it does not like a low dimensional chaos )
也就是說，肌電不是線性隨機的噪聲，而是非線性的確定性信號（盡管它並不象是低維混沌） 。 -
The surrogate - data technique, an effective method to clearly identify the chaos in time series, can reconstruct the characteristics of the original data while free of the limitations of the positive identification of chaos
摘要替代數據法是準確判定時間序列是否具有混沌特徵的一種有效方法，該方法不僅能很好地重構原始時間序列的特性，而且能避免直接識別混沌方法的局限性。
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