搜索资源列表
qpsk.rar
- 加性高斯白噪声信道条件下的QPSK信号的调制与解调,观察了调制信号的功率谱图,输入输出信号图,已经时间误码率图与理论误码率的比较,Additive white Gaussian noise channel under the conditions of the QPSK signal modulation and demodulation, observed power spectra of modulated signals, input and output signal maps, pla
stft.rar
- 短时能量,端点检测,功率谱图与短时f变换,时域与f变换的matlab实现,Short-term energy, endpoint detection, and short-term power spectra of f transform, time-domain transform matlab with the realization of f
raPsd2d.rar
- The radially averaged power spectrum (RAPS) is the direction-independent mean spectrum, i.e. the average of all possible directional power spectra. This function computes and plots the RAPS of an input image. The function was written to produce the R
BispectrumWavelets
- 用双谱和小波变换去除信号中加性高斯噪声的相关程序 1.实现单个变量的双谱分析程序 2.用傅立叶反变换求自相关函数的程序 3.用fft求取喜好频谱、功率谱、均方根谱、对数谱的程序 4.读取.wav语音信号后用小波去加信白噪声的程序 5.用各种小波和阀值对同一信号去加性噪声效果比较的程序 -Double-spectral and wavelet transform to remove the signal plus Gaussian noise procedures 1. T
SpectAnalisis
- 通过最小二乘法及SVD-TLS法对同一谱进行了功率谱分析,并比较了不同阶数下,最小二乘法的效果-By least-squares method and SVD-TLS method to the same spectra of the power spectrum analysis, and compare the number of different bands under the effect of least-squares method
HHT_power-system_power-quality_disturbances-detect
- 优秀论文及配套源码。Hilbert-Huang变换(HHT)是一种新的非平稳信号处理技术,该方法由经验模态 分解(EMD)与Hilbert谱分析两部分组成。任意的非平稳信号首先经过EMD方法处理后被分解为一系列具有不同特征尺度的数据序列,每一个序列称为一个固有模态函数(IMF),然后对每个IMF分量进行Hilbert谱分析得到相应分量的Hilbert谱,汇总所有Hilbert谱就得到了原信号的谱图。该方法从本质上讲是对非平稳信号进行平稳化处理,将信号中真实存在的不同尺度波动或趋势逐级分解出来,最
ipower
- Keyboard-controlled interactive power spectrum demonstrator, useful for teaching and learning about the power spectra of different types of signals and the effect of signal duration and sampling rate. Single keystrokes allow you to select the type of
distispf
- 声音处理的MATLAB程序:DISTISPF -calculates the Itakura-Saito spectral distance between power spectra
STAP_opt
- 该程序利用空时二维自适应处理的原理,采用最优处理器的方法,对杂波矩阵进行处理,并能够绘制出二维杂波功率谱图,功率谱亮度图,特征谱图,二维频响图,以及最优化比较图-the code can draw 5 pictures of the Clutter matrix,including :Clutter power spectrum, power spectral brightness diagram, characteristic spectra, two-dimensional frequenc
DFT
- 通过VOSS变换以及FFT计算出功率谱图的程序,方便实用,内含数据供验证-By VOSS transform and FFT power spectra calculated procedure, convenient and practical
Rc16_8
- 该程序利用空时二维自适应处理的原理,采用最优处理器的方法,对杂波矩阵进行处理,并能够绘制出二维杂波功率谱图,功率谱亮度图,特征谱图,二维频响图,以及最优化比较图-The program is the use of space-time two-dimensional adaptive processing principle, the optimal processor, clutter matrix processing, and be able to draw a two-dimension
task2
- 大气统计方法作业 对给定数据进行功率谱分析 并画出功率谱图-For a given power spectrum analysis of the data and draw the power spectra
fftSpectrumanalysis
- 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 generated sine wave, square wave, and the white noise signal, and displays the respe
hosa
- 最新、最全“高阶谱分析工具箱”,包括全部教程和DEMO.-There is much more information in a stochastic non-Gaussian or deterministic signal than is conveyed by its autocorrelation and power spectrum. Higher-order spectra which are defined in terms of the higher-order moment
seismic_qc
- 显示地震记录的功率谱的MATLAB源代码,地球物理专业学生的信号功率谱显示工具。- Basic seismic data QC Use plotseismic.m to plot data, i.e. have plotseismic.m scr ipt in the same directory Display power spectra
gonglvpu
- 用MATLAB软件仿真实现Liu混沌系统的功率谱图,代码完整。-MATLAB software simulation Liu power spectra of chaotic systems, code integrity.
Untitled3
- 周期图法、welch法和自相关函数法的功率谱图的比较。-Comparison of Power Spectra of Periodic Graph Method, WELCH Method and Autocorrelation Function Method.
EEG1_1c31
- 使用matlab和excel绘制原始数据图,可以一起绘制16通道,也可选择通道创建子图 使用快速傅里叶变化绘制功率谱,并绘制选择的谱估计算法 使用FIR滤波器(非递归型滤波器)获得EEG信号delta, theta, alpha, and beta波段的波形 绘制每一波段的频谱 通过绘制数个通道数据频谱图来评估信号的稳定性 -Use matlab and excel to draw the original data map, you can draw together wi
语音信号处理
- 采用MATLAB 2015b综合运用各种函数调用等来实现语音信号时域的短时能量,短时过零以及短时自相关函数分析和频域的傅里叶变换,功率谱估计,短时傅里叶变换,小波分析,语音信号的短时综合,语谱图各种分析,充分了解熟悉语音信号的相关分析方法。(This experiment uses the MATLAB 2015 b, the integrated use of various kinds of function call to realize speech signal in time dom
PSD
- Matlab codes for calculating the power spectra density function of a image.