自动化专业数字信号处理实验二_用 FFT 作谱分析matlab.rar

上传者: Flora_Cao | 上传时间: 2021-07-15 13:02:43 | 文件大小: 1.12MB | 文件类型: RAR
1.实验目的 (1)进一步加深 DFT 算法原理和基本性质的理解(因为 FFT 只是 DFT 的一种快速算法,所以 FFT 的运算结果必然满足 DFT 的基本性质)。 (2)熟悉 FFT 算法原理和 FFT 子程序的应用。 (3)学习用 FFT 对连续信号和时域离散信号进行谱分析的方法,了解可能出现的分析误差及其原因,以便在实际中正确应用 FFT。

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