1) Discrete Quaternion Fourier Transforms (DQFT)
离散四元数傅里叶变换
2) discrete quaternion fourier-transforms(DQFT)
离散四元数傅里叶变换(DQFT)
3) discrete fractional Fourier transform
离散分数傅里叶变换
1.
Digital Watermark Algorithm Based on M-cycle Discrete Fractional Fourier Transform;
基于M周期离散分数傅里叶变换的数字水印算法
2.
The discrete fractional Fourier transform is a generalization of discrete Fourier transform,This paper extends the discrete fractional Fourier transform to multiple-parameter discrete fractional Fourier trans- form which have N order parameter,and applies it into digital image encryption and decryption.
离散分数傅里叶变换是离散傅里叶变换的推广,文中将离散分数傅里叶变换推广到了带有N个参数的多参数分数傅里叶变换,并将它应用于数字图像加密解密过程中。
4) discrete fractional Fourier transform
离散分数阶傅里叶变换
1.
The modification of MA-CDFRFT algorithm used in computing discrete fractional Fourier transform;
用于计算离散分数阶傅里叶变换的MA-CDFRFT算法改进
2.
Implementation of fast algorithm of discrete fractional Fourier transform on DSP;
离散分数阶傅里叶变换快速算法的DSP详细实现
5) discrete Fourier transform
离散傅里叶变换
1.
Research on definition of discrete Fourier transform;
离散傅里叶变换的定义研究
2.
Characterizing discrete Fourier transform errors in signal processing by inner product;
工程信号处理中离散傅里叶变换的误差
3.
Using the spectrum decomposition technique by discrete Fourier transform in short window a-chieves the object using imaging feature of tuning amplitude in frequency domain to study the regularity of lateral variation in reservoir and fully dig up seismic resolution capability in dominant-high frequencies of seismic data.
采用短时窗离散傅里叶变换的频谱分解技术,实现了在频率域内通过调谐振幅的成像特征来研究储层横向变化规律的目标,最大限度地挖掘了地震资料主频至高频端的地震分辨能力。
6) discrete Fourier transforms
离散傅里叶变换
1.
Based on 2-D discrete Fourier transforms(DFT) of infrared images from water jet and the analyses of its 2-D spatial spectrum,investigations were made on the spatial scales of passive scalars turbulent flow in high pressure water jet fields,which are represented by infrared images.
基于二维离散傅里叶变换及空间频谱分析,对水射流湍流脉动的空间尺度进行了研究,得到了由红外辐射温度表征的被动标量湍流场在对流区、耗散区、惯性子区的特征空间尺度及其时间演化规律。
补充资料：离散
分散不能团聚（多指亲属）：家人～。
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