Fractional wavelet transform
This encryption method combines the virtues of both the fractional wavelet transform and the phase-shifting interferometry in image encryption.
该加密方法结合了分数小波变换和相移干涉术在加密图像方面的优点。
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基于随机分形理论，采用分数布朗运动模型，应用R/S分析技术和基于小波变换的谱参数估计方法计算地震道信号的赫斯特指数。
The thesis based on random fractal theory, utilizing fractional Brownian motion model, using R/S analysis technique and wavelet transform method to estimate Hurst exponent which dep.
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