搜索资源列表
vc++pujian
- vc++的谱减程序，与martin的谱减算法相对应，包括fft，iff，hamming窗，噪声估计及谱减主体等成员函数
matlab程序
- MATLAB对所的的一组数据利用经典谱（及FFT）进行频谱分析-MATLAB by the right of a group of data using the classical spectrum (and FFT) spectrum analyzer
gaojiepu.rar
- 通过对二价谱的编程分析，对信号处理里面采样率和采样长度对fft的影响做了一针见血地分析,By bivalent programming spectrum analysis, signal processing inside the sample rate and sample length on the impact of fft analysis done sharply
squarefft2.rar
- 利用FFT分析方波信号的频谱，讨论采样点数、采样频率对谱分辨率的影响。对数据叠加白噪声后再次分析实验结果。,Square-wave signal using FFT spectrum analysis to discuss the sampling points, the sampling frequency of the impact of spectral resolution. White noise superimposed on the data after analysis of e
fft2ftftE
- 修改的倒谱处理语音的函数，将fft转为倒谱，采用了遮掩原理-Modify the function of speech cepstrum processing
wv2fftE
- 修改的倒谱处理语音的函数，将wav转为fft，采用了遮掩原理-Modified speech cepstrum processing function, fft into cepstrum by the cover principle
FFT_and_HARR_spectrum
- 利用MATLAB分别用FFT和HARR小波进行了信号功率谱的估计，程序简单实用。-FFT, respectively, with the use of MATLAB and a signal HARR wavelet power spectrum estimation, the procedure is simple and practical.
a
- 对语音信号进行处理，做fft，语谱图，短时fft，并进行对比-The speech signal processing, do fft, spectrogram, short fft, and compare
invspecgram
- 逆短时傅里叶变换，由短时傅里叶谱恢复原信号-INVSPECGRAM Performs the Inverse Short Time FFT (Inverse SPECGRAM).
matlab
- 产生右图所示亮块图像 f1(x,y)（128×128大小，暗处=0，亮处=255），对其进行FFT，同屏显示原图f1和FFT(f1)的幅度谱图，若令f2(x,y)=（-1）x+y f1(x,y)，重复以上过程。以及旋转45度后进行变换-Generating shown bright block image F1 (x, y) (128128 size dark = 0, light at = 255), the FFT, the same screen display Original f1 a
C8051FFT
- 主要实现c8051下fft算法，包括幅值谱，频率谱等以及不同窗函数的实现。-C8051 major achievement under the fft algorithm, including the amplitude spectrum, frequency spectrum, etc., as well as the realization of different window functions.
emd_example
- 关于emd方法的应用，绘制功率谱、FFT频谱、Hibert谱、边际谱等-On emd method, draw the power spectrum, FFT Spectrum in Hilbert spectrum and marginal spectrum
th
- 利用FFT与IFFT制造满足平滑设计谱之人造地震波-Using FFT and IFFT to create a smooth design spectrum to meet the man-made seismic waves
fbh
- 使用FFT分析方波信号的频谱，讨论采样点数、采样频率对谱分辨率的影响。对数据叠加白噪声后再次分析实验结果。-Square-wave signal using the FFT spectrum analysis to discuss the sampling points, the sampling frequency of the impact of spectral resolution. White noise superimposed on the data after analysis
sjb
- 使用FFT分析三角波信号的频谱，讨论采样点数、采样频率对谱分辨率的影响。对数据叠加白噪声后再次分析实验结果。-FFT analysis of the use of the triangular wave signal spectrum to discuss the sampling points, the sampling frequency of the impact of spectral resolution. White noise superimposed on the data af
shuzibaogao
- 数字信号处理的四个实验，包含完整的源程序，结果截屏及实验报告：实验一 信号、系统及系统响应 实验二 用FFT作谱分析实验三 用双线性变换法设计IIR数字滤波器 实验四 用窗函数法设计FIR数字滤波器-err
fftpufenxi
- 数字信号处理的课程设计，关于用FFT作谱分析，用MATLAB做的-Digital signal processing of curriculum design, on the use of FFT for spectral analysis, using MATLAB to do
chap08
- ex6_1 ～ ex6_3二项分布的随机数据的产生 ex6_4 ～ ex6_6通用函数计算概率密度函数值 ex6_7 ～ ex6_20常见分布的密度函数 ex6_21 ～ ex6_33随机变量的数字特征 ex6_34 采用periodogram函数来计算功率谱 ex6_35 利用FFT直接法计算上面噪声信号的功率谱 ex6_36 利用间接法重新计算上例中噪声信号的功率谱 ex6_37 采用tfe函数来进行系统的辨识，并与理想结果进行比较 ex6_38 在置信度为0
FFTandPSDanalysis
- 一个在matlab环境下实现FFT的实践和功率谱分析的程序-this is a program about fft and psd analysis
matlab
- matlab 用DFT实现长序列卷积并用FFT进行信号谱分析-matlab convolution with the DFT and used to achieve a long sequence of FFT for signal spectral analysis