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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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parzen
parzen窗算法,适合于初学者。包括paren的matlab源代码,以及测试文件。(Parzen window algorithm)
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Thousand
different appraoch to find the fitness
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henonx
Simulates the Henon map
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cvx
说明: 凸规划建模系统,包含用户手册,有助于学习压缩感知。(Convex programming modeling systems, including user manuals, helpfull for learning compressed sensing .)
- 2011-02-27 23:00:51下载
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simulink-spectrum-analysis-
simulink中分析频谱的有效工具,可以分析连续,离散信号的频谱(simulink an effective tool in the analysis of the spectrum, can analyze the continuous, discrete signal spectrum)
- 2011-05-06 20:38:15下载
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line-nn
线性网络的基本程序,有利于操作。全部正常运行。(The basic program linear network is conducive to operate. All operating normally.)
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Chapter4
用Matlab语言实现带通信号与系统的低通仿真(With the Matlab language and system bandpass low-pass simulation)
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fps
无线传感器网络协议仿真对比,死亡节点数随时间的变化对比,传输到基站的数据对比,网络能量消耗对比以及生命周期和稳定周期对比等(Wireless sensor network protocol simulation contrast, death nodes comparing the change with time, comparison of the data transmitted to the base station, network energy consumption and life cycle and the comparison and contrast stable period)
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Quater_Registration
四元数分解的点云配准,输入点云的源坐标和目标坐标,计算期望的旋转矩阵和平移向量。(Quaternion decomposition point cloud registration, input the source and target point cloud coordinates to calculate the expected rotation matrix and translation vector.)
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