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chengxu3
- 用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图 2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选 3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图
FFT
- C#实现的快速傅里叶变换，递归算法，可用于信号处理。-failed to translate
pinpufenxi
- 在matlab下实现信号频谱分析：利用快速付里叶变换FFT得到下列信号的频谱，并绘制信号及频图形：1.长2s的方波信号，频率f=10Hz -In matlab signal spectrum analysis: the fast in leaf transform FFT get pay of spectrum, the signal and drew the signal and frequency graphics: 1. The long 2s, frequency f = squar
new-FFT
- 当前信号处理中，对频谱的研究不断深入，本书中讲述如何使用快速傅里叶变化进行频谱变换，和图像相关性分析，信号处理- How to use FFT2 The note explains in detail how to apply the Matlab 2-dimensional FFT for filtering of two-dimensional signals, e.g. images. It is shown how to connect the output from fft2 to t
fft-filter
- 该程序为傅立叶变换，用来将时域信号进行频域信号分析，保护功率谱、能量谱等。-The program for the Fourier transform, time-domain signal to the frequency domain signal analysis, to protect the power spectrum, the energy spectrum.
fft
- 进行傅里叶变换的java代码，其中有三个java文件，Signal中Signal类存放了信号，FFT1D进行一维傅里叶变换，ToolboxFourier进行了三维傅里叶变换。图像处理的可以看下。-Fourier transform of the java code, which has three java files, Signal Signal class stored in the signal, FFT1D for one-dimensional Fourier transform, T
FrequencySpectrumTest
- 分析宽带信号频谱，应用fft变换，使用matlab进行分析-analyze the frequency spectrum of signals in matlab
suijixinhao
- 随机信号的几种分析代码，如求均值，FFT变换，加白噪声， 平滑滤波-Several random signal analysis code, such as averaging, FFT transform, plus white noise, ' smoothing filter
win
- 是关于语音信号的快速傅里叶变换以及加噪声后傅里叶变换的显示以及图像中的比较-Is a speech signal FFT and plus noise FFT display and image comparison
Written-in-c-language-FFT-code
- 基于c语言编写的数字信号处理快速傅里叶变换FFT代码-Written in c language based on the digital signal processing fast Fourier transform (FFT code
windowfilter
- 采集一段语音信号，分别用矩形窗、汉纳窗、汉明窗、布莱克曼窗对采集的原始语音信号进行窗宽为N 的加窗FFT变换，得到利用不同窗函数对语音信号进行加窗FFT变换后的信号频谱图。观察不同窗函数的加窗效果，分析窗函数的适用情况。-Collecting a voice signal, respectively, with a rectangular window, Hanna window, Hamming window, Blackman window on the original speech s
matlab-addition-to-dry
- 通过fft变换，对图片进行信号进行除燥，进行反ifft变换图像重构-By fft transform, the picture signal in addition to dry, inverse transform image reconstruction ifft
myfft
- 自己编写的一个高效的快速傅里叶变换(FFT)程序，可以对一个一维信号进行变换，同时可以进行修改，摆脱了对于MATLAB中fft命令的依赖。-I have written a highly efficient fast Fourier transform (FFT) program, you can transform a one-dimensional signal, and can be modified to get rid of dependence for the MATLAB fft
matlab命令流
- 信号处理傅里叶变换，三分之一倍频程，荷载时程曲线绘制(Signal processing Fourier transform, one third octave, load time history curve drawing)