源码文件
-z -q -c -m"./Debug/fft.map" -o"./Debug/fft.out" -w -x -i"C:/ti2000/c2000/bios/lib" -i"C:/ti2000/c2000/rtdx/lib" -i"C:/ti2000/c200…
FFT-DIT 源代码
FFT-DIT（快速傅里叶变换-基2时间抽取法）是数字信号处理中的核心算法之一，以其高效的计算性能在音频分析、图像处理及通信系统中广泛应用。通过递归地将大点数DFT分解为小点数DFT来实现，极大地减少了运算量。掌握FFT-DIT不仅能够帮助工程师优化算法效率，还能促进对频谱分析等…
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源码文件
-z -q -c -m"./Debug/fft.map" -o"./Debug/fft.out" -w -x -i"C:/ti2000/c2000/bios/lib" -i"C:/ti2000/c2000/rtdx/lib" -i"C:/ti2000/c200…
源码文件
figure(1); subplot(2,2,1); N=64;n=0:N-1;t=0.01*n;q=n*2*pi/N; x=2*sin(4*pi*t)+5*cos(8*pi*t); plot(t,x) title('原始信号') subplot(…
源码文件
%%矩阵行FFT运算 function fs=fty(s); fs=fftshift(fft(fftshift(s.'))).';
源码文件
%%矩阵列FFT运算 function fs=ftx(s); fs=fftshift(fft(fftshift(s)));
源码文件
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Forward FFT w.r.t. the second variable % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% …
源码文件
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Forward FFT w.r.t. the first variable % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% fun…
源码文件
//利用汇编语言和TMS320F2812芯片实现FFT的算法，该算法对128点和256点很有效，使用过程中要考虑信号值不能太小. #include "DSP28_Device.h" /*DSP28xx Headerfile Incl…
源码文件
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Forward FFT w.r.t. the second variable % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% …
源码文件
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Forward FFT w.r.t. the first variable % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% fun…