The standard method for spectrum analysis in digital signal processing is the discrete Fourier transform(DFT), typically implemented using a fast Fourier transform(FFT) algorithm.
数字信号处理中标准的频谱分析方法是离散傅立叶变换（DFT），典型的实现方法是快速傅立叶变换（FFT）。
The algorithm of discrete system coupling matrix is analyzed comprehensively, and some useful results are obtained by the use of spectrum interpolation method.
较全面分析了藕联离散系统矩阵的计算方法，并利用频谱插值计算法，得出了几个较有意义的应用结果。
A robust correcting method for discrete spectrum in CW radar velocity measuring is proposed in this paper, t is named the method of triangle.
该文提出了一种适用于连续波雷达测速的、稳健的离散频谱校正方法，即三角形法。
Spectrum interpolation method is obtained by use of approximation interpolation, from algorithm comparison of discrete system matrix, and some useful results are obtained.
从离散系统状态转移矩阵的算法比较方面。借助逼近插值给出频谱插值法，结果较为实用。
We introduce a new spectrum transform into the image fusion field and propose a novel fusion method based on discrete fractional random transform (DFRNT).
本文中，我们引入一种新的谱变换换到图像融合中并基于此变换提出了一种新的图像融合算法。
We introduce a new spectrum transform into the image fusion field and propose a novel fusion method based on discrete fractional random transform (DFRNT).
本文中，我们引入一种新的谱变换换到图像融合中并基于此变换提出了一种新的图像融合算法。
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