搜索资源列表
spectrumstimation
- there is a simple demo for non parameteric spectral estimation methods
AddWindowDFT
- 加窗离散傅立叶变换，用DFT对离散信号进行谱分析，通过选用不同的加窗函数来抑制信号截断造成的频谱泄漏-windowed discrete Fourier transform, DFT right discrete signal spectral analysis, the increase in the alternative window function to curb the disconnect signal leakage spectrum
GSM_CR
- 自己编写的GMSK信号的循环谱密度程序，开发平台MATLAB，对于循环谱检测有一定的参考价值！-I have written the cycle of GMSK signal spectral density procedures, development platform MATLAB, for the cyclic spectrum detection of some reference value!
hyper spectral data open
- GIS LAN格式图像文件的打开程序
FFT-matlab FT在matlab中的实践分析
- FFT在matlab中的实践分析，例子为求一个正弦波的频谱图、均方根谱、功率谱、对数谱和进行IFFT的变换-FFT analysis of the practice in matlab, examples for the sake of a sine wave of frequency spectrum, the rms spectrum, power spectrum, and the IFFT on the number of spectral transformation
周期图法谱估计需要对信号序列“截断”或加窗处理
- 周期图法谱估计需要对信号序列“截断”或加窗处理，其结果是使估计功率谱密度为信号序列真实谱和窗谱的卷积，导致误差的产生。本程序分别设计了周期图法,最大熵功率谱估计和Welch法以及它们的对比,最大熵功率谱估计目的是最大限度地保留截断后丢失的“窗口”以外信号的信息，使估计谱的熵最大。-Periodogram spectrum estimation signal sequence needs to " cut off" or add the window handle, the
gmsk.rar
- 最小高斯移频键控调制性能仿真，含频谱分析，matlab的simulink实现,Gaussian minimum shift keying modulation frequency performance simulation, including spectral analysis, matlab achieve the simulink
SSBOLL79.zip
- speech enhancement using spectral subtraction ,speech enhancement using spectral subtraction
hilbert-huang.rar
- 实现EMD分解，并对原始信号进行hilbert谱分析，通俗易懂，操作方便,The realization of EMD decomposition, and the original signal hilbert spectral analysis, user-friendly, easy to operate
apes.rar
- APES谱估计方法的matlab源代码，已经通过验证,APES spectral estimation methods matlab source code has been validated
welch.rar
- 进行谱分析，常用的几种谱分析方法，包括welsh,Spectral analysis, spectral analysis of several commonly used methods, including welsh
jitterbug-1.23
- JITTERBUG 是一个用来仿真线性控制系统的Matlab工具箱。通过JITTERBUG，我们能得到延时、数据丢失对系统的性能影响。同时，这个工具箱还能计算控制系统中信号的谱密度。-JITTERBUG [Lincoln and Cervin, 2002] is a MATLAB-based toolbox that allows the computation of a quadratic performance criterion for a linear control syste
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
svyqc.rar
- 现代谱估计的matlab的程序。用的是奇异值分解的总体最小二乘法。,Modern Spectral Estimation matlab procedures. Using a singular value decomposition of the total least squares method.
无线信道信号的混叠
- (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。 ,(1) in certain wireless channel, the Doppler f
应用music算法和esprit算法在进行谱估计
- 应用music算法和esprit算法在进行谱估计中的matlab源程序 ,Music and esprit algorithm application in spectral estimation algorithm in the matlab source code
fft
- matlab下均匀分布自相关函数、正态分布自相关函数、随机信号自相关函数、随机相位信号自相关函数及其分别的功率谱密度图形。-matlab autocorrelation function under the uniform distribution, normal distribution, the autocorrelation function, autocorrelation function of random signals, the autocorrelation function
wavelet_matlab_code.rar
- 2代小波示意程序 2维小波变换经典程序 Daubechies小波基的构造 采用多孔trous算法(undecimated wavelet transform)实现小波变换 平移变换平移法(cycle_spinning)消除gibbs效应 提升法97经典程序 消失矩作用的程序 小波插值与小波构造 小波滤波器构造和消噪程序 小波谱分析mallat算法经典程序,2 Generation Wavelet indicated procedures classic 2-D wavelet
F1
- AR谱估计算法的matlab仿真，包括Yule-Walker方法、协方差方法、修正协方差方法和burg递推法等-AR spectral estimation algorithm matlab simulation, including the Yule-Walker method, covariance method, modified covariance method and the recursive law burg
optic
- 本程序为偏最小二乘法和主成分分析的matlab程序用于建立光谱信息和所测样品浓度的关系，建立预测模型-This program is partial least squares and principal component analysis matlab program for the establishment of spectral information and the relationship between the concentration of the samples, the