Discrete Fourier Transform using MATLAB?
显示 更早的评论
回答（1 个）
Hello,
You can refer to the below code.
% Define the input sequence x[n]
x = [1 2 3 4];
% Compute the DFT coefficients X[k]
X = zeros(1, 4);
for k = 1:4
for n = 1:4
X(k) = X(k) + x(n) * exp(-2*pi*1i*(n-1)*(k-1)/4);
end
end
disp(X);
类别
在 帮助中心 和 File Exchange 中查找有关 Discrete Fourier and Cosine Transforms 的更多信息
2016-3-4
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
Translated by 
