4.1

四节点杆单元集成，及力，应力，刚度矩阵，使用MATLAB编制，此为m文件(QuadraticBarElement assemble force,stiff,stress)

实现dtmf双音多频信号的matlab仿真编码和解码，采用coertzel算法。(Methods of measurement for pushbutton telephone with DTMF )

用matlab小波分析工具箱观测大数据的变化趋势，用于大数据的预处理，效果较好(Observing the trend of big data with matlab wavelet analysis toolbox for large data preprocessing, better)

本程序在MATLAB开发环境下，用周期图谱估计的方法对信号的频谱进行了估计，估计结构为两个频率分量。(The procedure developed in the MATLAB environment, with the cycle map estimation method to estimate the signal s spectrum, estimated structure for the two frequency components)

False nearest neighbors

可以将TS流中的PES信息内的PTS位置标定(TS stream can be within the PTS PES position calibration information)

this report tells you how to build your own air mouse.

无约束一维极值问题 minGS 最小化代码(One-dimensional unconstrained extremum problem)

OFDM/Simulink matlab procedure, at different signal to noise ratio, the system compares the SER and BER. The use of Rayleigh fading channel.

电力电子控制使用的6脉波驱动产生仿真模型(power sixpulse)