SeismicLab

matlab例题源代码，包含很多典型的例题，很值得借鉴学习。(Example matlab source code contains many typical Example, it is worth learning to learn.)

AM、DSB 调制及解调 用matlab产生一个频率为1Hz，功率为1的余弦信源m(t)，设载波频率ωc =10 Hz， m0 = 2 ,试画出： 􀁺 AM 及DSB 调制信号的时域波形； 􀁺 采用相干解调后的 AM 及DSB 信号波形； 􀁺 AM 及DSB 已调信号的功率谱； 􀁺 调整载波频率及 m0，观察分的AM 的过调与DSB 反相点现象。 􀁺 在接收端带通后加上窄带高斯噪声，单边功率谱密度0 n = 0.1，重新解调。 (AM, DSB modulation and demodulation Matlab produce a frequency for 1 Hz, power of 1 cosine source m (t), set the carrier frequency ω c = 10 Hz, M0 = 2, try drawing out: )

program to communicate with 4d systems monitors

根据齿轮基本参数，计算啮合刚度，得到具体的刚度值。(According to the basic parameters of the gear, the meshing stiffness can be calculated.)

系统辨识与自适应控制---遗忘因子递推最小二乘参数估计(forgetting factor recursive least squares parameter estimation)

BASIC SOURCE SEPARATION CODE

说明：  信号x（n）=sin(2*pi*0.05*n)+2*cos(2*pi*0.12*n)+w（n），求N=365的相关函数和功率谱(Signal x (n) = sin (2 * pi * 0.05 * n) + 2 * cos (2 * pi * 0.12 * n) + W (n), the correlation function and power spectrum of n = 365 are obtained)

使用小波包变换分析信号的MATLAB程序(The use of wavelet packet transform analysis of signals in MATLAB program)

实现DBF运算的具体的仿真程序，可帮助新人参考 (the simulated program to implement DBF )

本仿真采用dq原理检测谐波,采用PI闭环控制策略(This simulation uses DQ principle to detect harmonic, and adopts PI closed-loop control strategy)