📜  周期图 - Python 代码示例

📅  最后修改于: 2022-03-11 14:45:52.092000             🧑  作者: Mango

代码示例2
n = 0:319;
x = cos(pi/4*n)+randn(size(n));
[pxx,w] = periodogram(x);
plot(w,10*log10(pxx))