ydm

S变换的matlab源码，并应用几个信号作为例子来说明怎么使用s变换以及s变换可以用来做些什么事情。s变换是时频分析领域中一个较新的内容，现在在信号处理，地震勘探，语音识别等领域都开始了对它的应用研究，是目前的一个热点。(S transform matlab source, and apply some signal as an example to illustrate how to use s and s transform transform can be used to do things. s transform time-frequency analysis are a relatively new area of content, now in the signal processing, seismic exploration, speech recognition and other areas of the beginning of its applied research, is a hotspot.)

在均匀介质中，时间二阶空间四阶的有限差分声波方程正演程序。(In homogeneous medium, the second order time space fourth-order finite difference acoustic wave equation forward modeling program.)

slam simulation for robot cartoggraphy and mapping with out external sensors

对接收信号进行转化和功率谱分析。得到信号的统计特性，主要是噪声放面。(The received signal is transformed and the power spectrum analysis. Get the statistics of the signal, is mainly the noise area.)

计算多重分形非趋势波动分析，线性调频脉冲压缩的Matlab程序,小波包分析提取振动信号中的特征频率。( Calculate the multifractal trend fluctuation analysis, LFM pulse compression of the Matlab program, Wavelet packet analysis to extract vibration signal characteristic frequency.)

说明：  NMF矩阵分解算法可用于高维数据分解和降维处理分析。(NMF matrix decomposition algorithm can be used for high-dimensional data decomposition and dimension reduction analysis.)

带有紧急柴油发电机备用电源的异步电动机的供电系统模型仿真( Emergency Diesel-Generator and Asynchronous Motor)

恶性码（灾难码）的仿真，计算不同信噪比下的PER和SER(MATLAB code used to calculate P[k] for each SNR. The output is then used to calculate the PER as 1− P[k = 0] and the BER)

3维重建(MATLAB) 【浙大计算机视觉大作业】(reconstruct the 3D coordinates [the homework of the class：computer vision ZJU ])

QAM constellation with noise and channel(QAM constellation)