搜索资源列表
spetralcorrelation
- 谱相关时域平滑算法及其快速算法FAM、SSCA
基于Matlab仿真的联合变换相关器实验
- 利用Matlab软件平台对JTC进行了图像识别仿真实验,得到了二维及三维相关输出图像,显示出尖锐的相关峰。仿真实验表明:联合变换进行图像识别中存在强烈的零级干扰,干扰信号是有用信号的7.14倍,输出结果不理想;采用功率谱相减法可以消除零级强干扰,进而提高了图像的识别能力。
语音信号的短时谱、自相关函数
- 语音信号的短时谱、自相关函数,过零率等函数的MATLAB程序,非常好用,简单易懂。,voice autocorrelation function。
csd_of_communication_signals.r
- 对数字调制信号计算循环谱相关,并画出三维图以及二位截面图,Digital modulation signal to the cycle spectral correlation calculation, and draw three-dimensional map, as well as two sections
cyclic_cross_periodogram
- 循环平稳信号谱相关函数,并做做出三维立体图形-Cyclostationary signal spectral correlation function, and do make a three-dimensional graphics
cyclostationary_toolbox
- 循环平稳工具箱,其中包括谱相关函数,循环谱等多个非常有用的matlab程序-cyclostationary_toolbox
SCF_test
- 二维谱相关函数计算,未形成3d视图,但做了具体到每个循环频率的剖面图-Computing Spectral Correlation Function
test3
- 1)产生高斯白噪声; 2)产生高斯色噪声; 3)产生高斯谱相关对数正态分布随机序列; 4)对产生的上述随机序列进行功率谱估计; 5)对产生的上述随机序列进行概率密度函数估计。(Generating a Gaussian spectral correlation logarithmic normal distribution random sequence;)
规范反应谱
- 规范反应谱的计算并绘制对比相关图形,简单易用,欢迎检验。(guifanfanyingpujisuanhetuxinghuizhi)
FSK,BPSK,QPSK信号,循环均值,循环自相关
- 包含各种循环谱代码,时域自相关和频域自相关循环谱子程序,直接调用就行了!(matlab program about BPSK and FSK spectral correlation.)
直扩信号检测识别
- 利用循环谱相关法从高白噪声中检测识别出BPSK调制的直扩信号。(Detection and identification of BPSK modulated DSSS signals from high white noise using cyclic spectral correlation method.)
第二章-平稳随机过程的谱分析
- 介绍了平稳随机过程及功率谱相关理论 ● 傅里叶变换能否应用于随机信号? ● 相关函数与功率谱的关系 ● 功率谱的应用 ● 采样定理 ● 白噪声的定义(The stationary random process and the theory of power spectrum correlation are introduced.)
2fsk_调制频偏估计
- 2fsk调制仿真产生IQ数据,然后利用循环谱相关算法估计2fsk的Dev,代码完整可用(2FSK modulation simulation produces IQ data, and then uses cyclic spectral correlation algorithm to estimate the Dev of 2FSK. The code is complete and available)
随机信号谱分析
- 随机信号谱分析,给出了随机信号的自相关函数,互相关函数,频响函数,相干函数(Random signal spectrum analysis)
谱修正与CPM
- 通过伪随机序列进行频率调制,并对相位连续性进行优化。调制信号的自相关函数可以通过谱修正进行旁瓣抑制(Frequency modulation is performed by pseudo-random sequence and phase continuity is optimized. The autocorrelation function of modulation signals can be sidelobe suppressed by spectral correction)
循环谱
- 齿轮数据的分析 EMD滤波 循环自相关 循环谱密度函数 切片图(Analysis of gear data EMD filtering Cyclic autocorrelation Cyclic spectral density function Slicing)
几种常用功率谱估计法
- 几种常用的功率谱估计方法:相关函数法(BT 法),周期图法( periodogram),Bartlett 法,Welch 法,AR 功率谱曲线( p=50)(Several commonly used power spectrum estimation methods: correlation function method (BT method), periodogram method, Bartlett method, Welch method, AR power spectrum curv
相关分析和谱分析的工程应用
- 相关分析和谱分析基础,对理解有重要帮助。可以帮助Matlab编程。(The basis of correlation analysis and spectral analysis is of great help to understanding. Can help Matlab programming.)
Winger-Ville分布和短时三维功率谱阵
- Winger-Ville分布和短时三维功率谱阵,相关matlab算法及代码(Winger Ville distribution and short-time three-dimensional power spectrum array)
Cyclic Spectral Correlation
- 用于求循环普相关函数,可用于轴承,齿轮等旋转机械故障诊断(Cyclic spectral correlation)