Description: 可用于3维或者4维的fourier变换程序-can be used for three-dimensional or four-dimensional fourier transform procedures Platform: |
Size: 1024 |
Author:游江 |
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Description: matlab代码,数字图像矩阵数据的显示及其傅立叶变换,二维离散余弦变换的图像压缩,采用灰度变换的方法增强图像的对比度,直方图均匀化,模拟图像受高斯白噪声和椒盐噪声的影响,采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波-matlab code, digital image data display matrix and its Fourier transform, two-dimensional discrete cosine transform image compression, using gray-scale transformation method to enhance image contrast, histogram homogenization, analog image by Gaussian white noise and salt and pepper the impact of noise, using two-dimensional median filter function by medfilt2 of salt and pepper noise image filtering Platform: |
Size: 2048 |
Author:wang |
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Description: 多维傅里叶变换,二维DFT快速算法,共分五部--三:二维实序2D-DFT列行列算法-Multi-dimensional Fourier transform, fast algorithm for two-dimensional DFT is divided into 5- 3: two-dimensional real column ordinal ranks of 2D-DFT algorithm for Platform: |
Size: 3072 |
Author:jet ju |
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Description: 针对轴承故障,利用信号采集系统采集三种故障信号,应用FFT,画出3维频谱-For the bearing failure, the use of signal acquisition system collected three kinds of fault signals, applied FFT, draw three-dimensional spectrum Platform: |
Size: 1024 |
Author:陶 |
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Description: For beginners with a reference value, Computing time and two-dimensional histogram, ofdm system simulation including 16qam modulation fft windowing modules plus cp. Platform: |
Size: 7168 |
Author:nmkix
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Description: 基于FFT的谐波检测,采用快速傅里叶算法后得到原始波形中各次分量的频率和幅值特性,从中可以直接观测出各次谐波分量的频率和幅值信息.
程序1采用快速傅里叶算法后得到原始波形中各次分量的频率和幅值特性图
程序2输入信号经过FFT变换得到的频谱特性图
程序3对输入信号进行采样,应用一维小波变换函数进行三层小波分析(Based on FFT harmonic detection, the frequency and amplitude characteristics of each harmonic component in the original waveform are obtained by using fast Fourier algorithm, from which the frequency and amplitude information of each harmonic component can be directly observed
In program 1, the frequency and amplitude characteristics of each component in the original waveform are obtained by using the fast Fourier algorithm
The spectrum characteristic diagram of program 2 input signal through FFT transformation
Program 3 samples the input signal and applies one-dimensional wavelet transform function to three-level wavelet analysis) Platform: |
Size: 1024 |
Author:小木屋小木屋 |
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