earthquake

给定一个日期，求出该日为星期几（已知2002-3-28为星期四）。(Given a date, find the day of the week (known 2002-3-28 of Thursday).)

It is book for communication engineering. It will help the students.

该文介绍基于Matlab/Simulink进行雷达系统仿真的基本规范 ,开发了有关的雷达系统仿真模型库 ,并在该平台上对某脉冲多普勒雷达系统进行了仿真 ,给出了仿真结果和分析。(This paper introduces the basic specifications of the radar system simulation based on Matlab/Simulink, developed a radar system simulation model library, on the platform of a pulse Doppler radar system simulation, the simulation results and analysis are given.)

对噪声图像进行均值，方差，峰度和偏度的计算并输出其数值(Noise images mean, variance, skewness and kurtosis computing and outputting the value)

利用小波变换对处理地震资料的matlab代码，可以对井资料和地震资料处理，适合勘探地震的初学者和信号分析的初学者(Seismic data processing matlab code, can be well data and seismic data processing, seismic exploration for beginners, is based on the original 2.1 adds new code)

讲述UKF无迹滤波的原理得子程序，值得一看(About the principles of UKF was no trace filter subroutine, worth a visit)

说明：  一些比较不错的小波变换里例程，有需要的下吧。(some good wavelet transform Lane routines that are needed are you.)

利用PSO优化SVM中的c和g c1:初始为1.5,pso参数局部搜索能力 c2:初始为1.7,pso参数全局搜索能力 maxgen:初始为200,最大进化数量 sizepop:初始为20,种群最大数量(Support Vector Machine Optimized by Particle Swarm Optimization )

T-copula的蒙特卡罗模拟过程可以测算数据间的相依关系(T- copulas connect process of monte carlo simulation to measure the dependency relationship between the data )

五点三次法实现振动信号趋势项的消除， 1、 计算出数据的均值、均方值、方差 ； 2、 用matlab编制五点三次法消趋势项程序。 3、 在同一坐标下绘出消趋势项前后时域信号，并分析比较。 绘出消趋势项前后信号的自相关函数。( Five points three times a method to achieve the elimination of the trend of the vibration signal, 1, to calculate the mean of the data, the mean square value, variance 2, the preparation of the five points three times France extinction trend procedure using matlab. 3, plotted in the same coordinate consumer trends before and after the time-domain signal, analyzed and compared. Draw to eliminate the trend before and after the signal autocorrelation function. )