常見例句雙語例句An efficient local fractal box dimension is proposed to extract local fractal feature of image.文中提出了一種有效的局部盒維數(shù)的計算方法，并用它來提取圖像的局部分形特征。The frequency-magnitude response of the fractal filter and the change of fractal box dimension of white noise and color noise are analyzed.分析了一階分形模糊控制濾波器的頻率-幅度特性，白噪聲和有色噪聲分形盒維數(shù)的變化；Based on fractal box dimension feature of signals, this paper presents a spectrum sensing method employing the difference of fractal box dimension be tween noise and licensed signals.在信號分形盒維數(shù)特征的基礎上，提出利用噪聲與授權信號分形盒維數(shù)的差異對授權 用戶是否存在進行檢測。 返回 fractal box dimension