搜索资源列表
fft
- 基于matlab2010的仿真信号频谱,包络谱分析-Simulated signal spectrum matlab2010, the envelope spectrum
FFT
- FFT功率谱分析程序,对信号采用FFT变换方法进行功率谱密度及幅值谱密度分析-FFT power spectral analysis program, the signal using FFT transform method for power spectral density and amplitude spectral density analysis
FFT.
- 信号的谱分析就是计算信号的频谱(信号的傅氏变换),通过信号研究分析信号特性。信号频谱是连续的,不能用数字信号处理方法计算,按频域采用定理, 序列的DFT完整反映了频谱信息,所以可以通过DFT进行谱分析。 用 FFT 对连续信号和时域离散信号进行谱分析.-Spectral analysis of the signal is to calculate the signal spectrum (Fourier transform of the signal), through the signa
chengxu
- 对原时域信号x进行fft,得到频域信号y 频域滤波 对原信号频域滤波,得到滤波之后的频域信号y1(原频域信号y*滤波器c) 求包络谱(The original time domain signal x is FFT, and the frequency domain signal Y is obtained spectrum shaping In the frequency domain filtering of the original signal, the frequency d
teechart
- 在visual studio 2012的环境下,采用快速傅里叶变换(FFT)对随机信号进行经典功率谱估计,并用MFC编程实现。其中要下载并安装teechart控件实现波形绘制(In the visual studio 2012 environment, the fast Fourier transform (FFT) is used to estimate the classical power spectrum of random signals, and is programmed with
myfft&myifft
- 谱分析,自己编写的算法过程,蝶形算法的全过程,详细,便于初学者使用。(Spectral analysis, the algorithm itself written process, butterfly algorithm of the whole process, detailed, easy for beginners to use.)
CX11_2
- 离轴数字全息角谱(D-FFT)再现算法,加频谱滤波(Off-axis holographic angle spectrum reconstruction)
源程序代码
- fft详解Hilbert变换求包络谱 、最小二乘拟合(Hilbert transform envelope spectrum, least squares fitting,)
ft_sh_phase_screen
- 利用功率谱通过FFT构建相位屏,可增加低频补偿,程序非常标准,建议大家学习参考(gernerate phase screen in matlab by FFT)
voicejiangzao(fft)
- 基于先验信噪比和VAD的谱减法语音降噪处理(Noise reduction by spectral subtraction based on prior SNR and VAD)
Desktop
- MATLAB的傅里叶变换和包络谱程序,可以作为FFT变换的学习(Fourier transform and envelope spectrum program of MATLAB)
voice_spectrum
- 用于检测音频wav文件的语谱以及FFT,使用了audioread函数(The language spectrum and FFT for detecting audio WAV files)
fft_hilbert_Envelope
- 对信号进行fft变换,对变换后的信号进行滤波,,对滤波后的信号进行反变换,傅里叶反变换,对反变换后的信号进行希尔伯特变换,进而画包络谱。(fft filter hilbert translation)
快速傅里叶变换及实现——交换两幅图像的相位谱
- 快速傅氏变换(FFT),是离散傅氏变换的快速算法,它是根据离散傅氏变换的奇、偶、虚、实等特性,对离散傅立叶变换的算法进行改进获得的。它对傅氏变换的理论并没有新的发现,但是对于在计算机系统或者说数字系统中应用离散傅立叶变换,可以说是进了一大步。(Fast Fourier transform (FFT) is a fast algorithm for discrete Fourier transform. It is based on the characteristics of discrete
phase
- matlab 环境下绘制(程序中给了一个例子)信号的相位谱 基于FFT后的复数 绘制实部虚部和相位(phase program in matlab fft)
craet
- 利用Matlab产生FMICW信号,并用二维FFT处理得到距离多普勒谱(The FMICW signal is generated by Matlab, and the distance Doppler spectrum is obtained by two-dimensional FFT processing.)
$R8SOOS0
- 随机产生一次数据x=randn(1,1024*8) 对这个序列进行FFT然后求功率谱密度 。应用MATLAB画出来横坐标为频率(Frequency(hz)))纵坐标为功率谱密度(Power Spectrum Density) (dB))的图形(Randomly generate a data x=randn (11024*8) to carry out FFT for this sequence and then obtain power spectral density. Drawing th
fft
- 用matlab画出单音信号的频谱 和能量谱(Drawing spectrum energy spectrum of monosyllabic signal)
5826
- 一个师兄的毕设,最小二乘回归分析算法,基于kaiser窗的双谱线插值FFT谐波分析。( A complete set of brothers, Least-squares regression analysis algorithm, Dual-line interpolation FFT harmonic analysis kaiser windows.)
7876
- 这是一个好用的频偏估计算法的matlab仿真程序,基于kaiser窗的双谱线插值FFT谐波分析,计算目标和海洋回波的功率谱密度。( This is a useful frequency estimation algorithm matlab simulation program, Dual-line interpolation FFT harmonic analysis kaiser windows, Calculating a target and ocean echo power spect