...进行分析,可以更准确地把握原数据的特征信息,非常适用于非线性、非稳态过程.分数阶傅里叶变换(Fractional Fourier Transform,FRFT)作为傅里叶变换的一种广义形式,具有傅里叶变换所不具备的某些特点,能够对时变信号和非平稳信号进行有效的...
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利用分数阶傅里叶变换(Fractional Fourier Transformation, FRFT)对地震动信号进行时频分析,求得最佳变换阶次,使用该阶次的分数阶傅里叶变换提取信号的时频特性。
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短时分数阶傅里叶变换 STFRFT
离散分数阶傅里叶变换 discrete fractional Fourier transform ; DFRFT
利用分数阶傅里叶变换 Fractional Fourier Transform ; Fractional Fourier Transformation ; FRFT
光分数阶傅里叶变换 optical fractional fourier transformation
基于分数阶傅里叶变换 fractional Fourier transform
和分数阶傅里叶变换 fractional Fourier transform
用分数阶傅里叶变换 Fractional Fourier Transform
采用分数阶傅里叶变换 Fractional Fourier Transform
其中分数阶傅里叶变换 FRFT ; fractional Fourier transform
New approach of transform domain adaptive filtering algorithm is exploited by applying with the fractional Fourier transform. The fractional Fourier transform adaptive filtering algorithm and its application is present in this paper.
分数阶傅里叶变换的出现为变换域的自适应滤波算法提供了新的方法。
参考来源 - 分数阶傅里叶变换自适应滤波算法及应用Presents an image encryption technology based on chaotic sequences and fractional Fourier transform.
采用混沌序列的特性和分数阶傅里叶变换,实现图像双重加密。
参考来源 - 基于混沌序列和分数傅里叶变换的图像加密技术·2,447,543篇论文数据,部分数据来源于NoteExpress
介绍了分数阶傅里叶变换的原理及其对线性调频信号的处理优势。
Principle of fractional Fourier transform (FRFT) and alternation to that linear modulate frequency (LMF) treatment advantage were introduced.
摘要:提出一种基于混沌映射和分数阶傅里叶变换的数字水印算法。
Absrtact: a digital watermarking algorithm is proposed based on chaotic map and fractional Fourier transform.
主要讨论了一种将加紧支撑窗与分数阶傅里叶变换相结合的信号处理方法。
A new method that USES the tight support window signal together with the fractional Fourier transform (FRFT) is discussed.
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