搜索资源列表
sEmgAnalysis
- 对数据进行频谱分析的程序。对数据进行FFT运算,并画出频谱图。-Spectrum analysis of the the surface electromyography collected data. Demonstrates painting curve graph and FFT.
TC3.0fft
- 用TC实现fft快速变换,画出频谱图,加入了汉字库-To with TC the fft quickly transform, draw spectrogram, joined 汉字库
18234
- 基于51单片机的LED频谱显示 FFT变换-Based on 51 single-chip LED spectrum display FFT transform
vga_LCD_2
- 基于FFT的频谱分析及VGA显示的主程序,很有用-FFT-based spectrum analysis and VGA display of the main program, very useful
pinp
- 设计信号用快速傅里叶变换求信号频谱功率谱-Fft spectrum signal design requirements
hanning
- 汉宁窗频谱分析程序 快速傅立叶变化的优化算法 解决频谱泄露问题-Hanning FFT spectrum analysis program optimization algorithms to solve the changing spectrum leakage problem
lab1
- 用fft对数字信号进行频谱分析,包括对信号的采样,频谱分析,相位分析-The frequency spectrum analysis based on fft
MATLAT
- 分析信号的频谱,确定采样频率、采样的数据长度,根据FFT的计算结果分析信号的幅值和相位。调整参数进行仿真,根据仿真结果讨论采样频率、数据长度对频域分析结果的影响。-Spectral analysis of the signal to determine the sampling frequency, sampling data length, amplitude and phase of the signal analysis based on the calculation result of
sin_fft
- 自己编写的一个正弦函数频谱的估计,利用FFT函数实现,有详细注释,方便理解,附带仿真图一张-A sine function spectrum estimate their preparation, the use of FFT function implementation, detailed notes, easy to understand, with a simulation map
czt
- 通过matlab实现czt频谱细化算法,绘制图形与fft方法进行比较-By thinning algorithm matlab realize czt spectrum, graphing methods were compared with fft
imf_fft
- 信号emd分解后,对imf分量进行FFT变换,求频谱图-After the signal EMD is decomposed, the IMF component is transformed to FFT, and the spectrum is obtained.
check_FFT
- 用FFT求信号的频谱分布的例子,包括频率标定-example of using fft to do the spectrum analysis
fftspectrum
- 基于FFT的频谱分析程序,包含感应电机定子电流数据,可直接运行-FFT based spectrum analysis program, including the induction motor stator current data, can be directly run
66256063
- FFT子程序编写及应用和FFT对连续信号进行频谱分析,很好-FFT subroutine writing and application and FFT spectrum analysis was carried out on the continuous signal, is very good
fftfilter.m
- 显示fft图像,仅显示其中300个点,进而使得整个频谱显示得非常清晰-show fft image, only show 300 points, so the fft image show clearly
DTFT
- 应用FFT对典型信号进行频谱分析,应用FFT实现序列的线性卷积和相关(FFT is used to analyze the spectrum of typical signals, and the linear convolution and correlation of sequences are realized by FFT)
信号与系统应用
- 信号与系统的应用,对同一个连续周期信号,选定不同采样间隔 s T 和信号截取长度 1 T ,获得离散 信号,使用DFT或FFT 进行频谱分析,画出频谱图,与理论计算的结果进行比 较,观察: (1)不同采样率 s T 对频率范围和混叠误差的影响; (2)不同采样长度 1 T (单周期采样和多周期采样)对频率分辨率的影响; (3)是否完整周期采样对泄漏误差的影响,多周期采样是否可以减小非完整周 期采样产生的泄漏误差。 以下信号中叠加了一个角频率为50 ? 的高频干扰信号,信号如下: 3 (
ch
- 利用MATLAB计算傅里叶变换并作出频谱图像的代码和图像,涉及FFT算法,看代码可以理解一下~为北京理工大学信号与系统实验实验三的答案(Fourier transform using MATLAB calculation and make spectral image code and images, involving the FFT algorithm, look at the code can understand ~ Beijing Institute of Technology sig
CS_FFTAcquisition
- 如何基于C#控制Keysight PXI M9393A矢量信号源进行FFT的频谱获取(How to remote control M9393A to acq FFT spectrum base on C#)
sweepsin01120
- 扫频实验的频响函数,以及位移、速度、加速度的图、FFT进行频谱分析(Frequency response function of sweep experiment)