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featrue7
提取信号七个基于瞬时信息的特征:零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差,零中心非弱信号段瞬时相位非线性分量绝对值标准偏差,零中心非弱信号段瞬时相位非线性分量标准偏差,零中心归一化的非弱信号段瞬时频率绝对值的标准偏差,一个信号段的归一化瞬时频率功率谱密度的最大值,根据信号 QPSK 和16QAM在 XI 轴投影的不同表现,提出特征参数。(extract information based on the instan eous features : In the center is one of the instantaneous rate of the power spectral density of the maximum, is a center to the absolute value of the instantaneous rate of the standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component absolute standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component standard deviation, In the center is one of the non-weak signal of the absolute value of the instantaneous frequency standard deviation, a signal to one of the instantaneous frequency of the power spectral density of the maximum, According to 16QAM and QPSK signals XI axis projection in the different performance parameters raised.)
- 2021-01-24 13:28:43下载
- 积分:1
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3-level-NPC-voltage-source-PWM-inverters
A comprehensive study of neutral-point voltage balancing problem in three-level neutral-point-clamped voltage source PWM inverters.
- 2011-09-07 14:26:09下载
- 积分:1
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ui_read_options
wlan物理层仿真文件的说明,便于读者理解上手(Description wlan physical layer simulation files, easier to understand to get started)
- 2014-11-05 16:04:28下载
- 积分:1
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linteradoppler
MATLAB中,卷积码、QPSK通过单径瑞利衰落信道的仿真,分析不同的多普勒和不同的交织块长对性能的影响。(MATLAB, the convolutional code, QPSK through a single path Rayleigh fading channel simulation, analysis of different Doppler interleaving block length and different impact on performance.)
- 2020-10-26 16:19:59下载
- 积分:1
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多目标粒子群算法 _matlab
MOPSO算法有详细说明,能够良好运行,出pareto图(MOPSO algorithm is described in detail, able to run well, generate the Pareto Diagram)
- 2017-06-26 21:40:21下载
- 积分:1
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迭代比较
应用背景这是一个集合的例程比较不同的迭代计划,近似的线性方程组的解的解决方案;解决的方案所产生的泊松方程的有限元离散化标准的FD /零右边的单位面积上的系统。 ;常规 ;compare_it。M ;情节所需要的迭代的数量直到误差达到规定的公差与未知数的个数。使用 ;compare_it(TOL,Nmax),在TOL是指定的公差,nmax是一个方向未知的最大数量。 ;常规 ;compare_err。M ;图误差衰减与迭代次数。使用 ;compare_err(l,n) ;公差是在指定的公差,n是一个方向的未知数。关键技术使用 ;compare_err(l,n) ;公差是在指定的公差,n是一个方向的未知数。
- 2022-02-07 18:16:08下载
- 积分:1
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SVM多分类程序
能够实现SVM的多分类并达到预测类别目的
- 2022-12-10 01:00:04下载
- 积分:1
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filters
Matlab program for some filters like wiener, median and wavelet.
- 2010-06-20 18:53:58下载
- 积分:1
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lotsofwatermarkcode
本压缩包包括多种水印代码,其中有DCT1,DCT2,CDMA,LSB等。(The package includes a variety of watermarking compressed code, which DCT1, DCT2, CDMA, LSB and so on.)
- 2009-06-12 15:09:06下载
- 积分:1
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stft
这是一个关于信号视频分析的代码,用matlab编写,带有短时傅里叶变换,小波变换分析信号。(This is a video analysis on the signal code, written with matlab, with short time Fourier transform, wavelet transform signal.)
- 2011-06-08 23:20:06下载
- 积分:1