文件名称:FFT
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是信号与系统课程的课程设计,旨在熟悉FFT 的计算过程,结合DFT 物理意义和实验结果加深
对傅立叶变换的理解。文章首先用MATLAB 对一个简单信号进行FFT 仿真,得出频谱图;其次完成了FFT 的C 语言实现,结合MATLAB 作图及数据处理功能得出了C 实现下的FFT 结果;最后,讨论分析实验结果。-Curriculum design, signals and systems courses designed to familiar FFT calculation process, the combined DFT physical significance and experimental results to deepen the understanding of the Fourier transform. The article first a simple signal using MATLAB FFT simulation obtained spectrogram followed by the completion of the FFT of the C language, combined with MATLAB plotting and data processing functions come under the C implementation of the FFT results Finally, the discussion and analysis of the experimental results .
对傅立叶变换的理解。文章首先用MATLAB 对一个简单信号进行FFT 仿真,得出频谱图;其次完成了FFT 的C 语言实现,结合MATLAB 作图及数据处理功能得出了C 实现下的FFT 结果;最后,讨论分析实验结果。-Curriculum design, signals and systems courses designed to familiar FFT calculation process, the combined DFT physical significance and experimental results to deepen the understanding of the Fourier transform. The article first a simple signal using MATLAB FFT simulation obtained spectrogram followed by the completion of the FFT of the C language, combined with MATLAB plotting and data processing functions come under the C implementation of the FFT results Finally, the discussion and analysis of the experimental results .
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快速傅立叶变换(FFT)的计算机实现.pdf
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