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autocorrelation

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autocorrelation n.【自動化】自相關。

n. 【自動化】自相關。 “autocorrelation analysis“ 中文翻譯：   自相分析; 自相關分析“autocorrelation coefficient“ 中文翻譯：   自相關系數“autocorrelation detection“ 中文翻譯：   自相關檢測“autocorrelation function“ 中文翻譯：   自相關函數; 自相函數“autocorrelation functions“ 中文翻譯：   自相關函數“autocorrelation integral“ 中文翻譯：   自相關積分“autocorrelation matrix“ 中文翻譯：   自相關矩陣; 自相矩陣“autocorrelation of residuals“ 中文翻譯：   殘差的自相關“autocorrelation peak“ 中文翻譯：   自相關巔“autocorrelation pulse“ 中文翻譯：   自相關脈沖“autocorrelation receiver“ 中文翻譯：   自相關接收機; 自相關接收器“autocorrelation spectrometer“ 中文翻譯：   自相關頻譜計“autocorrelation spectrum“ 中文翻譯：   自相關譜“autocorrelation test“ 中文翻譯：   自相關檢驗“autocorrelation theorem“ 中文翻譯：   自相關定理“autocorrelation vocoder“ 中文翻譯：   自相關聲碼器“autocorrelation wavelet“ 中文翻譯：   自相關子波“coefficient autocorrelation“ 中文翻譯：   自相關系數“coefficient of autocorrelation“ 中文翻譯：   自相關系數“complex autocorrelation“ 中文翻譯：   復自相關“negative autocorrelation“ 中文翻譯：   負自相關“noise autocorrelation“ 中文翻譯：   噪聲自相關“normalized autocorrelation“ 中文翻譯：   歸一化自相關“zero autocorrelation“ 中文翻譯：   零次自相關“autocorrelating windoww“ 中文翻譯：   自相關時窗“autocorrelater“ 中文翻譯：   自相關器

autocracy

The core of the proposed new cdma system is the use of orthogonal complete complementary codes , whose autocorrelation function is zero for all even and odd shifts except the zero shift and , whose crosscorrelation function is zero for all possible shifts 在本系統中，利用完全互補碼處處為零的互相關特性和自相關的旁瓣為零的特性，可有效消除系統的多址干擾，提高系統的容量。

To model the elastic properties of rocks with distribution fractures , a new heterogeneous anisotropic constitutive model was presented . in this model , the autocorrelation function is used to describe the spatial distribution of crack number density 提出一種新的非均勻各向異性本構模型來模擬具有分布裂縫的巖石，在這個模型中用自相關函數來描述裂紋數密度的空間分布。

Via the forward modeling in the 2 - d transversely isotropic elastic random medium , we studied the change features of the wave field characteristic quantities as changing the medias autocorrelation length and anisotropic coefficient 我們通過在二維橫各向同性彈性隨機介質中的正演模擬，研究當自相關長度以及介質的各向異性系數變化時，對應的上述波場特徵量的變化特點。

It is useful for selecting reasonable system parameters through it . for the data process in dial system , we discussed the combined effects of temporal autocorrelation and lasers cross correlation and signal averaging 對于dial系統中的數據處理，本文著重討論了信號平均技術和激光器回波信號時域自相關以及激光器互相關對co2dial系統測量靈敏度的影響。

Some characters and fourier spectrum characters of the almost perfect autocorrelation sequence pairs are discussed , and the necessary conditions of existences of the almost perfect auto - correlation sequence pairs are given 其次，提出了幾乎最佳自相關序列偶的理論，它是幾乎最佳自相關序列的深入和發展，探討了它的性質，譜特性，存在的必要條件。

( 3 ) for time - varying risk premium and industrial momentum , serial autocorrelation of factor returns including size , be / me , and industry contributes mostly to momentum profits , especially industry momentum ( 3 )時變風險溢價與行業慣性方面：公司規模、凈值市值比以及行業等因子的序列自相關性是慣性策略獲利性之主要驅動因素，尤以行業慣性顯著。

A new variable step - size cma blind equalization algorithm is introduced to conquer the defects of cma , in which the step size is controlled by the estimation of error signal ' s autocorrelation 摘要提出了一種自適應變步長恒模盲均衡算法，利用剩余誤差信號的自相關函數估計值作為控制步長的因子來自適應改變步長的大小，克服了恒模算法存在的固有缺陷。

A scheme to identify the stochastic signal and its modes by computer is introduced and using the method of the autocorrelation functions for recognizing the stochastic audio signal fleet has been applied 摘要分析了利用自相關函數法實現快速識別隨機音頻信號，介紹一種用計算機實現隨機音頻信號處理與模式識別的硬件結構和程序設計。

For fh signals , we proposed two algorithms too , one is a signal detection algorithm based multiple - hop autocorrelation ( mhac ) of fh signals , and the other is a parameter estimation algorithm based on time - frequency analysis 對跳頻( fh )信號，本文提出了基于多跳自相關的信號檢測方法和基于時頻分析的跳頻參數估計方法。

As a new kind of high - resolution signal , multicarrier phase coded radar signal has drawn attention due to a lot of advantage , such as perfect autocorrelation , flexible designing and easy processing 多載頻相位編碼信號作為一種新型的高距離分辨信號以其信號特性優良,參數設計靈活,處理簡單越來越引起人們的關注。

The article analyzed the reasons that aroused the mean reversion in stock index futures , and the calculation methods of the coefficient of the first - order autocorrelation in basis change 摘要闡述了指數期貨中均值回復現象產生的原因，并進而分析了基差變化中的一階自相關系數在不同情況下的計算方法。

From the point view of high dimensional data processing , we get the essence of pca , and also easy to explain this difference between autocorrelation matrix method and covariance matrix method 用高維空間數據處理的觀點，指出了pca的本質，并從高維空間中，解釋了不同方法得到不同pca的原因。

The arch model with its introduction of autocorrelation hypothesis of observation data describes and explains convincingly the unevenness and fat - tail distribution of financial data Arch模型引入觀測數據方差自相關假設，有力地刻劃和解釋了金融數據的叢集性和厚尾尖鋒特性。

Through analyzing decision variable of receiver , the f - pe method can increase autocorrelation of desire user ' s spreading sequence , and improve the ber performance 對接收機判決變量輸出分析表明，該算法能有效增加關心用戶的解擴濾波相關峰值，對誤碼率性能有很好的改善。

Aimed at the acoustic signals from heavy sizing - press and rolling bearing rig , a preprocessing of autocorrelation for independent component analysis ( ica ) is proposed 摘要以大型軋鋼機和滾動軸承試驗臺為研究對象，應用獨立分量方法來分離機器的聲音信號，并提取其狀態特征。

The optimization of the codes are usually quoted for the autocorrelation sidelobes , namely , the outputs are the autocorrelation sidelobes of codes which are not moudulated by the signals 通常的偽碼優選考慮編碼的周期自相關旁瓣，即無符號調制時編碼匹配濾波器的輸出旁瓣。

The performance of suppressing noise and practicality of the approach based on hoc is better than that of approach based on autocorrelation 這種方法與通常在電話網信號中所采用的基于相關的檢測方法相比，具有很好的抗噪聲性能，且能滿足實時處理的要求，有一定的實用價值。

A new algorithm improving watermarking robustness based on a self - reference concept and exploits special autocorrelation features ( acf ) of a spatial template is proposed in this paper 摘要提出一種改進的基于自參考概念和空間模板的自相關函數特性的數字水印算法。

Then by using the inverse autocorrelation function we get another means of moments parameter estimates on the ma part of arma ( p , q ) , cleveland - parzen estimates 從而通過逆自相關函數得到了arma ( p ， q )過程ma部分的參數的另一種矩估計方法， cleveland - parzen估計。