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说明：  经验模态分析（EMD）的MATLAB计算算法，经验模态分析是机械振动分析领域的重要方法(Empirical mode decomposition (EMD) of the MATLAB computing method, empirical mode analysis is an important field of mechanical vibration analysis method)

matlab宝典，帮助您更好更深入的学习好matlab编程(matlab Collection to help you better and more in-depth study and matlab programming)

这是冈萨雷斯数字图像处理matlab版教材的源代码，对学习图像处理的朋友很有帮助(This is Gonzalez of digital image processing matlab source code version of the textbook and friends to learn useful image processing)

ra_snr_gui.m 作用：统计不同信噪比下，五种信号的峰值旁瓣比RA和低高频均值比RM，绘制结果，参考图3.11和3.12 DFCW_RA_SNR.m 作用：产生正交离散频率编码信号，并计算峰值旁瓣比RA和低高频均值比RM LFM_RA_SNR.m 作用：产生线性调频信号，并计算峰值旁瓣比RA和低高频均值比RM OFDMLFM_RA_SNR.m 作用：产生正交频分线性调频信号，并计算峰值旁瓣比RA和低高频均值比RM PC_RA_SNR.m 作用：产生正交相位编码信号，并计算峰值旁瓣比RA和低高频均值比RM SIN_RA_SNR.m 作用：产生单载频信号，并计算峰值旁瓣比RA和低高频均值比RM 输入参数： vSNR：信噪比向量 输出结果： RA:峰值旁瓣比向量RA，对应信噪比向量 RM:低高频均值比向量RM，对应信噪比向量 calculateRA.m: 作用：计算不同信噪比下峰值旁瓣比RA和低高频均值比RM，参考论文3.4.5节 输入参数: sig：输入信号，可以是多行MIMO信号，运算中将合并为1行信号 vSNR：信噪比向量 输出结果： RA:峰值旁瓣比向量RA，对应信噪比向量 RM:低高频均值比向量RM，对应信噪比向量 sig_dfcw.m 作用：产生正交离散频率编码信号 sig_ofdm.m 作用：产生正交频分线性调频信号 sig_pc.m 作用：产生正交相位编码信号 (ra_snr_gui.m action: Statistics different SNR peak sidelobes than five signal RA and low high frequency average ratio RM, rendering the results, referring to Figure 3.11 and 3.12 DFCW_RA_SNR.m effect: generating orthogonal discrete frequency encoded signal, and calculate the peak sidelobe ratio RA and low and high frequency average ratio RM LFM_RA_SNR.m effect: generating chirp signal and calculates the peak sidelobe ratio RA and low high frequency average ratio RM OFDMLFM_RA_SNR.m effect: generating an orthogonal frequency division chirp signal and calculates peak sidelobe ratio RA and low and high frequency average ratio RM PC_RA_SNR.m effect: generating quadrature phase encoded signals and calculate peak sidelobe ratio RA and the average low and high frequency effects than RM SIN_RA_SNR.m: to produce a single carrier frequency signal, and calculate peak sidelobe ratio RA and RM lower than the average high-frequency input parameters: vSNR: SNR vector output: RA: peak sidelobe ratio v)

一本介绍电磁场数值分析的书，分别介绍了有限差分，有限元，矩量法和最优化方法(1 Introduction Numerical Analysis of Electromagnetic Field book, introduced the finite difference, finite element, method of moments and optimization methods)

PAST算法的实现,用matlab语言，简单粗略版本(implementation of PAST)

异步电机的abo仿真程序，可以直接运行结果，不错的！(Induction motor simulation program of the abo can be run directly a result, good!)

说明：  提取调制信号2ASK的瞬时幅度、瞬时相位、瞬时频率(2ASK modulation signal extracted instantaneous amplitude, instantaneous phase, instantaneous frequency)

this simulation is a way for watermarking and steganography with j-uniward

本代码为特征提取代码，是从高维数据到低维数据(The source code for the feature selection to reduce the high-dimensional data low-dimensional data)