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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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particle
…………………………粒子滤波程序…………………………(.............................. Particle filter procedure ..............................)
- 2013-03-15 16:29:03下载
- 积分：1
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statcom_Apf
STATCOM与有源滤波器的仿真，电流为滞环控制，含无功、谐波电流检测
(STATCOM simulation with active filter, current hysteresis control, including reactive power, harmonic current detection)
- 2016-05-25 00:24:38下载
- 积分：1
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Localization
MATLAB仿真LEACH算法，对研究WSN能量路由有很大帮助(MATLAB simulation of LEACH algorithm, the study of great help WSN energy routing)
- 2013-12-28 14:09:59下载
- 积分：1
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CFAR-detection-algorithm
A novel constant false alarm rate(CFAR)detection algorithm is proposed in this paper．The
Biparameter CFAR detection is applicable tO Gaussian noise in non—coherent integration for radar dim target
detection algorithm．The paper analyzed the probability of false alarm in theory．Monte—Carlo simulations
demonstrate that the Biparameter CFAR processor has achieved about 5 dB SNR gains in detection performances
comparable to the conventional cell—averaging CFAR processor．
- 2012-01-10 19:42:50下载
- 积分：1
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tiandiline
本程序用于森林视频监控中天地分界线的确定，确定后对于天地线上方部分都认为是天空不进行处理，可提高视频处理效率和系统的性能。(The procedure for forest video surveillance to determine the boundary between heaven and earth. The part above the line side is considered as sky, do nothing to which. It can improve the video processing efficiency and system performance.)
- 2010-11-29 09:55:15下载
- 积分：1
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Jakes_fast
说明： 实现Jakes模型的快衰落仿真，希望对大家的学习有很好的帮助，看过之后给些意见(Jakes model to achieve fast fading simulation, we hope to learn a very good help, give some advice after reading
)
- 2011-03-24 21:43:52下载
- 积分：1
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RandPSOprogram
随机权重法改进粒子群优化算法， 更换目标函数后使用(Random weight method to improve particle swarm optimization algorithm, the objective function after the use of replacement)
- 2011-05-10 20:05:57下载
- 积分：1
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Subsea-Assignment
subsea CONTROLLER DESIGN
- 2013-11-08 23:55:04下载
- 积分：1
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gear
基于MATLAB编写的蜗轮蜗杆啮合仿真程序源代码，运行效果很好(Prepared based on the MATLAB simulation program meshing worm source code, running well)
- 2009-04-03 17:18:57下载
- 积分：1
