pp波和ps波反射系数 pp-ps-wave

2005版EMD(经验模态分解)完整程序(2005 version of EMD (Empirical Mode Decomposition) integrity procedures)

高阶谱或高阶统计量的方法估计谐波信号的参数,获取有色高斯噪声的谐波获取 (Higher-order spectrum, or higher-order statistics to estimate the parameters of harmonic signals, access to colored Gaussian noise to obtain the harmonic)

TVAC-PSO.m code using Matlab

参考《matlab在通信仿真中的应用》编写的matlabfsk程序

文章简要分析了中点钳位式(NPC)三电平逆变器的基本原理,提出了一种平衡中点电位的新方法,实现了全数字化控制系统,最后通过仿真验证了该方案的正确性.(This paper briefly analyzes the basic principles of the midpoint of the three-level clamped (NPC) inverter, proposed a new method for balancing the midpoint potential, to achieve a fully digital control system, and finally through the correct simulation of the program sex.)

基于matlab的平行束滤波反投影重建算法(Based on parallel beam filtered backprojection reconstruction algorithm matlab)

经典lDPC编码程序 Robert的论文里的部分仿真程序 (Robert LDPC coding procedures classic papers in the part of simulation program)

说明：  二阶巴特沃斯(Butterworth)低通滤波器(Low pass filter)

在小波域中，以图像作为水印信息，嵌入以声音为载体信号的源程序。(n wavelet domain to image as a watermark, embedded with sound as the carrier signal source program. )

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)