DIT-FFT 源代码

DIT-FFT(按时间抽取的快速傅里叶变换)是数字信号处理领域中一种高效的算法,广泛应用于频谱分析、图像处理及通信系统设计。通过优化计算流程,DIT-FFT显著减少了传统傅里叶变换所需的运算量,使得大规模数据处理成为可能。掌握DIT-FFT不仅能够帮助工程师提升项目效率,还能加深…

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源码文件

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Forward FFT w.r.t. the first variable % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% fun…

源码文件

n=0:7; m=0:7; for i=1:4 x(i)=5-i; end for i=5:8 x(i)=i-4; end close all; subplot(2,1,1); stem(n…

源码文件

n=0:7; m=0:15; for i=1:4 x(i)=i; end for i=5:8 x(i)=9-i; end close all; subplot(2,1,1); stem(n,x);title('…

源码文件

n=0:16; m=0:15; x=sin((pi/8)*n); close all subplot(2,1,1);stem(n,x); title('X5(t)的序列图形'); subplot(2,1,2); ste…

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/************* Code Composer V1 Project Data ******************** The following section contains data generated by Code Compose…

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/************* Code Composer V1 Project Data ******************** The following section contains data generated by Code Compose…

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General Purpose FFT (Fast Fourier/Cosine/Sine Transform) Package Description: A package to calculate Discrete Fourier/Cosine/…

源码文件

/************* Code Composer V1 Project Data ******************** The following section contains data generated by Code Compose…

源码文件

/* ifft.c - inverse FFT */ #include void fft(); void ifft(N, X) complex *X; int N; { int k; for (k=0; k

源码文件

/* ifft.c - inverse FFT */ #include void fft(); void ifft(N, X) complex *X; int N; { int k; for (k=0; k