?? dft.c
字號:
/* dft.c - N-point DFT of length-L real-valued signal */#include <cmplx.h> /* complex arithmetic */void dtftr(); /* DTFT's over a frequency range */void dft(L, x, N, X) /* usage: dft(L, x, N, X); */double *x; /* \(x\) is \(L\)-dimensional real */complex *X; /* \(X\) is \(N\)-dimensional complex */int L, N;{ double pi = 4 * atan(1.0); dtftr(L, x, N, X, 0.0, 2*pi); /* \(N\) frequencies over \([0,2\pi)\) */}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -