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DFT
信号与系统试验报告
离散傅立叶变换(DFT)和频谱分析
一、实验内容
1、实验题目
(1)编写DFT、IDFT程序,并验证其正确性(提示:可利用冲激函数进行验证)。
(2)计算信号f(t)=e-at2sin(2∏ft)的离散傅立叶变换(DFT),求其振幅谱,相位谱、振幅最大值对应的频谱(检测主频)以及对发f(t)进行DFT变换的结果实现IDFT变换,并画出图形。
参数选择如下:频率f =30HZ,a=f 2㏑(M),M=2.5
2、通过实验理解信号振幅谱、相位谱的物理意义,掌握DFT、IDFT算法的实现方法。()
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- 积分:1
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uwb_ch
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Block-Diagram
reciver block diagram on matlab
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codes_matlab
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1D-FDTD
一维FDTD,MATLAB代码,可以绘制场量动图(One-dimensional FDTD, MATLAB code, you can draw the amount of field action figure)
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l_corner
说明: l曲线的岭参数估计确定相关参数。。。。。。。。。。。。。。(The ridge parameter estimation of the L curve determines the relevant parameters.)
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qiujieguoch222
matlab求解reynolds方程程序(matlab program for solving Reynolds equation)
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