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频谱分析程序
- 频谱分析技术是研究周期性现象中最为常用的一种统计分析方法，其主要是通过对一复合的波系进行数据变换，将其分解成若干振幅和相位不同的简谐波，并找出其中振幅最大的波，即该复合波中的主要频率。频谱分析的方法较多，其中最常用的是快速傅立叶变换法(FFT)-spectrum analysis techniques to study the cyclical phenomenon most commonly used a statistical analysis method, its principal i
xhclfft
- 用FFT 进行信号的频谱分析 1、高斯序列 2、衰减正弦序列 3、三角波序列 4、反三角序列-signals using the FFT spectrum analysis of one, two Gaussian sequence, the sequence of 3 attenuation sine, triangle wave sequence 4, anti - triangular series
zhengxianboshujuwenjian
- 用C++ 生成的正弦波数据文件，N是fft的点数，f是正弦波信号频率，fs是采样频率，结果会生成in.dat文件 -C generated sine wave data files, fft N is the number of dots, f is the frequency sine wave signal. fs is the sampling frequency, the result will document generation in.dat
FFT
- 快速傅里叶变换，主要应用于频率变换和滤除同频或异频的波-Fast Fourier transform, that the are mainly used in the frequency to transform and filter out the same frequency or heteroclinic frequency wave
wavelet--fft
- 实现频谱分析。能显示信号与频谱图。主要是对正弦信号和三角波进行一维FFT变换，得到频谱图。-To achieve spectral analysis. Shows the signal with the frequency spectrum. Sinusoidal signal and triangular wave one-dimensional FFT algorithm to obtain the frequency spectrum.
Square-wave
- matlab 实现傅里叶变换 fs FT DFS DFT FFT 以及余弦函数的抽样 离散傅里叶变换 频谱 函数叠加后的傅里叶变换 频谱 -matlab to achieve the Fourier transform fs FT DFS DFT FFT and cosine functions sampling discrete Fourier transform the spectrum of the Fourier transform of the spectrum function su
oceanFFT
- 基于在GPU上实现FFT海浪模拟以及大气模拟-On the GPU, the FFT wave simulation as well as atmospheric modeling
vc-DFT-FFT
- vc程序，先输入给定的三角波。然后可进行dft，fft等变换-vc program, the first input to a given triangle wave. Then dft, fft transform
FFT
- FFT频谱分析，可以将正弦波，方波，锯齿波，三角波的频谱分析粗来，可以更改频率，更改采样的条件-FFT spectrum analysis, can be sine wave, square wave, sawtooth wave, triangle wave spectrum analysis of coarse, can change the frequency, the variation of the conditions of sampling
FFT
- 1．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-1. Produce sine wave, square wave, and the white noise signal with Matlab, and their time-domain waveform
FFT-demo
- 1．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- 1. Using Matlab to generate sine wave, square wave, and the white noise signal and displays each tim
FFT-Code
- 可以通过STM32的AD采集测出正弦波的频率，并在液晶屏上显示出来。（原子的mini板可直接用）-AD can gather through the STM32 measured sine wave frequency, and displayed on the LCD screen. (Atoms mini board can be directly used)
zoomfft-fft
- 产生3个频率相近的正弦波叠加组成周期信号，实现ZOOMFFT和FFT的比较。-Realize ZOOMFFT and FFT with three similar frequency sine wave superposition of periodic signal.
fft
- matlab程序，对多种信号的傅里叶(Fourier)变换，包括sin,sinc,AM,2fsk,2psk,方波，以及带汉明窗的FFT-Matlab program, for a variety of signals of Fourier Fourier transform, including sin, sinc, AM, 2 FSK, 2 PSK, square wave, and FFT with hamming window
FFT
- 三角波和反三角波序列的时域和幅频特性，绘出两序列及其幅频特性曲线，循环卷积，线性卷积(The time domain and amplitude frequency characteristics of the triangle and anti triangle wave sequences are plotted, and the two sequence and its amplitude frequency characteristic curves, cyclic convolutio
24FFT
- 24点傅立叶系数，直流、基波、谐波，正余弦系数表(24 point Fu Liye coefficient, DC, fundamental wave, harmonic, and cosine coefficient table)
FFT
- 快速傅里叶变换示例,修改波信号文件以及采样频率，就可得到波形与频谱图、相位图(Fast Fourier Transform example, modify the wave signal file and the sampling frequency, you can get the waveform and spectrogram, the phase map)
FFT
- 图像的二维傅里叶变换及变换域滤波，同态滤波(FFT and Wave filtering)
Radar-target-generation-and-detection-master
- MATLAB中的雷达目标生成和检测,调频连续波,FFT（用于范围检测的1D）,FFT (2D for distance and speed detection),2d恒定火焰警报率（2D-CFAR）(Radar target generation and detection in MATLAB, FM continuous wave, FFT (1D for range detection), FFT (2D for distance and speed detection), 2d const
dfftpack
- FFTPACK is a package of Fortran subprograms for the fast Fourier transform of periodic and other symmetric sequences. It includes complex, real, sine, cosine, and quarter-wave transforms.