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Description: 离散傅立叶变换简介
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Author: hcmfys |
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Description: 本章重点：
1.离散信号的概念
2.离散信号的运算
3.离散系统的概念
4.离散周期信号的傅立叶级数(DFS)
5.离散非周期信号的傅立叶变换(频谱密度函数DTFT)
6.简单的滤波器(简介)
-This chapter focuses: 1. The concept of discrete signal 2. Discrete signal computing 3. The concept of discrete-time systems 4. Discrete Fourier series of periodic signal (DFS) 5. Discrete non-periodic signal of the Fourier transform (spectral density function DTFT) 6. simple filter (Introduction)
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Author: chuck li |
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