张文军MATLAB仿真

 利用fft()进行快速傅立叶变换，得到频谱，画出正弦函数及其频谱  找出频谱中使得Y轴取最大值时的估计频率记为ft  加入白噪声，绘出信噪比和均方误差的关系曲线 ( using fft () for fast Fourier transformation, spectrum, to draw the sine function and its spectrum  find the spectrum makes the Y-axis maximum value when the estimated frequency is denoted by ft  adding white noise, SNR plot and mean square error curve)

说明：  这是一个用matlab仿真的联合对焦化盲源分离FAGD算法(This is a joint simulation with matlab blind source separation of coking FAGD algorithm)

求解函数的各阶范数,如2范数，无穷范数等常用范数(For each order norm, such as the 2 norm, infinite norm etc.)

学生成绩展示，排序学生的成绩，添加和删除用户，(Student performance display, sorting, adding and deleting users)

说明：  现代信号处理中的谱估计方法，ARMA结合改进的yule-walker方程方法(ARMA and yule-walker modern signal analysis)

Simulation Study on Four-quadrant Cascade Multilevel Inverter Based on AC Voltage Sensorless Simple Cell

读取信号进行时频分析，wigner时频图和fft频谱图(When reading the signal frequency analysis, time-frequency diagram and fft spectrum wigner)

说明：  实现无线传感器网络定位DV-Hop算法的matlab源码(Wireless sensor network localization DV-Hop algorithm matlab source)

matlab下编写的基于一维单尺度的haar函数(matlab prepared under the one-dimensional single-scale based on haar function)

matlab函数，专门计算列车车体横向sperling平稳性指标。调用方式：y=lridex(acc)，其中acc为测得的或仿真得到的车体横向加速度（不包括时间列）。(matlab function, specifically calculate the train body lateral sperling smooth indicators. The invocation: y = lridex (ACC), wherein acc obtained for the measured or simulation vehicle body lateral acceleration (not including the time column).)