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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。()
- 2008-05-07 10:38:59下载
- 积分：1
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solution
Steven M. Kay统计信号处理基础一书的解答(The solution of Fundamentals_Of_Statistical_Signal_Processing)
- 2010-09-03 16:27:27下载
- 积分：1
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ZEVEN
Matlab教程第7章，编程与数据分析、整理(Matlab Guide Chapter 7, programming and data analysis, sorting)
- 2013-07-20 10:08:35下载
- 积分：1
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MATLABp2BCSharpp2Bbook
讲matlab和c#混合编程的电子书，英文版，里面例子较多(Mixed matlab and c# programming e-books, English speaking, which examples are more)
- 2012-08-01 16:21:46下载
- 积分：1
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LMS
基于LMS算法的均衡技术在matlab上的仿真应用(Equalization technique based on the LMS algorithm in matlab simulation applications)
- 2013-08-28 21:57:31下载
- 积分：1
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WindowDcDemo
在视图中使用CWindowDC在整个窗口进行绘图，C++精选学习源码，很好的参考资料。(For drawing in the window using CWindowDC in the view, select learning C++ source code, a good reference.)
- 2013-11-27 07:37:26下载
- 积分：1
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EngineEx
C/C++中调用MATLAB引擎的数值仿真的实现，运行环境：VC＋＋6、matlab6
注意事项：微分方程文件“fun.m”放在matlab的work目录下。(C/C++ Call the MATLAB engine numerical simulation of the realization of operating environment: VC 6, matlab6 Notes: Differential Equations document )
- 2007-09-14 14:10:01下载
- 积分：1
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3zuoye
某市有一码头，每次仅容一辆船停泊装卸货，由于经常有船等候进港，部分人提出要扩建码头。经过调查历史资料发现，码头平均每月停船24艘，每艘船的停泊时间为24±20小时，相邻两艘船的到达时间间隔为30±15小时，如果一艘船因有船在港而等候1小时，其消耗成本为1000元。经预算，扩建码头大约需要1350万元，故市长决策如下：如果未来五年内停泊船只因等候的成本消耗总和超过扩建码头花费则扩建码头，否则，不予扩建。因此，希望你能够帮助市长做出决策。此问题已知到达的大概时间和大概停泊时间，对于此问题用概率统计的方法来做比较复杂，可用程序随机产生到达时间和停泊时间来模拟未来五年内船的停泊，多次模拟预测停泊情况，以做出决策(。-Problem in a city with a terminal expansion dock, each only allow a boat moored loading and unloading, as often there are waiting boat into port, some people proposed to expand pier. Terminal stopping 24 per month, per vessel berthing time of 24 ± 20 hours, the arrival of two adjacent vessels interval 30 ± 15 hours, if a ship due to boat in the harbor while waiting for one hour, and its consumption cost of 1,000 yuan. The budget of about 13.5 million yuan expansion dock, so the mayor decision as follows: If a ship is moored next five years, the cost of waiting more than the sum of consumption spending is expanding marina pier extension, otherwise, not expanded.)
- 2015-04-17 18:59:46下载
- 积分：1
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clustering
将Weka数据挖掘工具所产生的K-MEANS和DBSCAN结果转化成MATLAB可输出三维图像的格式(Weka data mining tools will be generated by K-MEANS and DBSCAN results can be exported into MATLAB three-dimensional image format)
- 2008-06-05 10:09:27下载
- 积分：1
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Matlab-and-C-mixed-programming
Matlab转换为dll库再与C混合编程(Matlab and C mixed programming)
- 2014-09-11 21:54:54下载
- 积分：1
