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- Kurtosis is an eigenvalue of normal distribution of the image. 峰度是一個(gè)能表征圖像是否呈正態(tài)分布的特征值。
- As to skewness, it is not as important as kurtosis in affecting subadditivity. 模擬結果顯示，只有在非常高的峰態(tài)下風(fēng)險值是違反次加性，而目前常見(jiàn)的財務(wù)資料的分配并不具有如此高的峰態(tài)。
- Kurtosis is a classical measure of non-Gaussianity of random variable. 峭度是隨機變量非高斯性的一個(gè)經(jīng)典度量。
- Reconstruction project design of adjusted the boiler of Kurtosis in Jinzhou Hot and Heat Co. 錦州熱電總公司調峰鍋爐房汽機配套改造工程設計。
- When we measure the kurtosis of a distribution, we are measuring its peakedness. 度量一條頻率分布曲線(xiàn)的尖削度就是度量其頂部的峰態(tài)。
- When the modified kurtosis is maximized, the estimate of the range shift is obtained. 分析表明該算法具有良好的抗閃爍性能和抗噪性能。
- However, under the kurtosis range of current empirical financial studies, the violation does not exist. 因此，適合用來(lái)檢查在不同的峰態(tài)與偏態(tài)下風(fēng)險值的次加性是否違反。
- In addition, maturity and volatility will alter the pattern skewness and kurtosis influence convertible bond value. 除此之外，存續期間和標的資產(chǎn)價(jià)格波動(dòng)度也會(huì )改變偏度和峰度影響轉換公司債價(jià)格的形式。
- The normalized kurtosis extracted from the decomposed results was composed of the feature vectors. 利用主要頻率區間的特征向量進(jìn)行單一傳感器的目標識別。
- Because of the characteristic of paleosol's distribution of double-apices, the differences between high-order skewness and kurtosis are obvious. 偏態(tài)注重粒度分布的尾部，峰態(tài)關(guān)注峰的寬窄，且由于古土壤呈明顯的雙峰分布，因而高階偏態(tài)和峰態(tài)差異顯著(zhù)。
- As regards Sk (bias angle) and Kg (kurtosis) values, the fluvio-lacustrine facies or palaeosols increases considerably compared with the aeolian sands. 就Sk和Kg變化而言，河湖相或古土壤值較之風(fēng)成砂明顯增高，前者呈正偏，后者常常表現近對稱(chēng)分布，僅少數呈負偏。
- This paper proposes an algorithm for Fetal Electrocardiogram (FECG) extraction, which is based on joint maximization of kurtosis and autocorrelation. 針對胎兒心電圖提取問(wèn)題,提出了一種基于峭度和自相關(guān)函數聯(lián)合最大化的算法。
- Our study suggests a relation between the excess kurtosis, the market order flow and the tendency of market participants to imitate each other. 該模型能較好地刻畫(huà)投資主體之間的微觀(guān)聯(lián)系機制，并很好地解釋股票收益的厚尾特性。
- Then, the amount of the range shift between two echoes is searched by using the modified kurtosis as the alignment measure. 當兩回波和包絡(luò )的修正峰度達到最大時(shí)，以此時(shí)的距離偏移量進(jìn)行補償，就可將回波對齊。
- This thesis proposes a skewness and kurtosis correction (SKC) method to set up Xbar and R control charts for process monitoring. 傳統投資組合理論大多假定股票報酬率服從常態(tài)分配，然而，近年來(lái)有研究指出個(gè)別股票的報酬率分配呈現正偏型態(tài)。
- Results show that the range alignment algorithm based on maximum modified kurtosis can estimate range shifts and fulfills range alignment. 結果表明，基于最大修正峰度的距離對準算法可以準確地估計出回波的距離偏移量，實(shí)現距離對準。
- Based on Kurtosis Maximization Algorithm (KMA), a new cost function is defined by introducing the cross-correlation of two signals. 該方法在最大峰度算法(KMA)的基礎上,引入信號的互相關(guān)約束定義了一種新的代價(jià)函數。
- The kurtosis based ICA approach is analyzed particularly and the geometrical explanation of this approach is presented in the paper. 對基于峰態(tài)絕對值最大化的ICA原理進(jìn)行了詳細分析,給出了該原理幾何解釋和適用范圍。
- The skewness and kurtosis have close relation with aging process, which skewness decrease and kurtosis increase with the aging time. 局部放電統計參數偏斜度和峭度與老化程度有密切的關(guān)系，老化程度越嚴重，偏斜度越小，峭度越大。
- As a new statistical moment, the rectified skewness is as effective as kurtosis, and it is lesser susceptibility to spurious vibration than kurtosis. 修正歪度具有和峭度相似的性質(zhì)，也可以作為幅域診斷參數，并且具有敏感性小的優(yōu)點(diǎn)。
