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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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acidct
程序包,包含aci,dct,gabor,kernelset,LPsvmclass五个程序。希望对大家的研究有用(Package includes aci, dct, gabor, kernelset, LPsvmclass five procedures. Hope to be useful research)
- 2010-12-03 10:01:39下载
- 积分:1
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New-Folder
License Plate Recognition Image Processing in matlab
- 2011-04-30 15:19:00下载
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myNeural_PIDs4
说明: 采用S函数设计神经网络PID控制器,该算法控制器应用于Simulink控制中,对初学者或其他算法的常规比较有较好的效果。(The neural network PID controller is designed in S-function, and the algorithm controller is used in Simulink control, which has a better effect for beginners or other algorithm routine comparison.)
- 2019-12-20 17:41:12下载
- 积分:1
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chap4_9
Sugeno模糊模型的倒立摆控制单链路
(Sugeno fuzzy model of the single-link inverted pendulum control)
- 2010-10-26 09:39:41下载
- 积分:1
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chenhoujindigitalsingalprocessing
陈后金数字信号处理课件,很不错的,有助于学习(This is the ppt of digital signal processing of Chen Houjin. That is very useful for the students.)
- 2012-03-20 17:24:32下载
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users_guide
医学超声成像权威仿真软件Field Ⅱ使用说明书(Authoritative medical ultrasound imaging simulation software Field Ⅱ manual)
- 2013-10-05 21:58:37下载
- 积分:1
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Power_Law_Transform
Code for Power-Law Transform Algorithm, in Chapter two of image processing book(Gonzalez).
- 2009-12-15 20:34:20下载
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Monte-Carlo-algorithm
说明: 蒙特卡洛算法一些matlaB程序,可以直接使用(Monte Carlo algorithm)
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matlab
对流体数及设置颜色,添加切片,顶光效果的设置等等(Number of fluid and set the color, add the slices, top light effect settings, etc.)
- 2011-05-16 10:09:11下载
- 积分:1