-
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。()
- 2008-05-07 10:38:59下载
- 积分:1
-
c
说明: 针对员工数目较多的公司,用于员工信息查询和工资计算(A relatively large number of companies for the employees, for employee information inquiries and payment of wages)
- 2009-12-02 19:38:06下载
- 积分:1
-
matlab_smooth
matlab中smooth函数平滑处理数据实例(matlab function in smooth smoothed data instances)
- 2015-03-14 10:24:58下载
- 积分:1
-
programming-Windows--fifth
windows 程序设计 第五版 文字版,程序员经典丛书(Text version of the fifth edition of windows programming, programmers Classic Series)
- 2014-02-03 12:16:23下载
- 积分:1
-
ApiWithOutDeclare
Calling Windows APIs without declaration, full Visual Basic source code example.
- 2009-04-01 00:53:17下载
- 积分:1
-
gsmc
基于一个二阶线性系统实例,介绍了全程滑模变结构控制,实现了系统的鲁棒性特点。(Global sliding mode variable structure control, based on a second order linear system instance, the robustness of the system characteristics.)
- 2013-03-05 09:37:16下载
- 积分:1
-
medfilt_avefile_bijiao
Matlab实现中值滤波与均值滤波的对椒盐噪声滤波的比较!(Matlab to achieve median filter and mean filter for noise filtering salt and pepper comparison!)
- 2009-06-06 20:30:19下载
- 积分:1
-
MixFigure
说明: 一个基于VC和matlab结合的经济模型的分析软件,主要特点是利用matlab的计算与绘图能力与VC结合。提出了一种性能良好的数据分析软件设计的方法(based on a combination of VC and Matlab model of the economic analysis software the main characteristic is the use of Matlab calculation and graphics capabilities combined with the VC. Presents a good data analysis software design method)
- 2006-04-23 23:04:43下载
- 积分:1
-
raft
MATLAB的通用飞行器仿真MATLAB simulation of the general aircraft(MATLAB simulation of the general aircraft)
- 2011-04-25 19:14:06下载
- 积分:1
-
ISAR
生成rcs数据,通过此段代码进行isar成像(isar imaging)
- 2020-11-17 12:59:41下载
- 积分:1