AIR 986 INSTITUTE OF ARTIFICIAL INTELLIGENCE AND ROBOTICS. XJTU (3)调制特性 如果 DES(n)=X(k) 则有 DESWI(n=X(k+m) 数字信号处理简明教程Institute of Artificial Intelligence and Robotics, XJTU 1986 数字信号处理简明教程 (3)调制特性 如果 则有 ( ) ~ ( ) ~ DFS x n = X k ( ) ~ ( ) ~ DFS W x n X k m mn N = +