New-folder-(2)

利用有限元分析，模拟汽缸中声波的传播，这是一个多物理场问题(Finite element analysis, wave propagation simulation in the cylinder, which is a multi-physics problems)

通过边界集中识别图像形状特性，并返回数值(Images by identifying the boundary shape characteristics of centralized and return values)

全面系统地总结了matlab中用于图像图形处理的命令(comprehensively and systematically summed up the images used Matlab graphics processing orders)

定义一个结构体变量（包括年、月、日），计算该日在本年中为第几天？（注意考虑闰年问题），要求写一个函数days，实现上面的计算。由主函数将年月日传递给days函数，计算后将日子传递回主函数输出(Define a structure variable (including the year, month, day), calculated on that day in the middle of this year for the first few days? (Note that the leap to consider the issue), asked to write a function of days, to achieve the above calculations. By the main function will be passed to the days date function to calculate the days will pass back to the main function of the output)

卡尔曼滤波的状态转移方程的matlab源代码(Kalman filter state transition equation matlab source code)

虫口模型：某模型的分岔图，详细的计算过程，里面还附有结果图( Insect population model: a model bifurcation diagram insect population model: a model of the bifurcation diagram)

fit in processing with function

地震波场是指有地震波传播的空间。本程序用于计算二阶精度规则网格，二维波场模拟。(Seismic wave field refers to the space where seismic wave propagates. This program is used to calculate second-order precision regular grids and two-dimensional wave field simulation.)

有关matalab方面的仿真文献，希望大家有好的东西都能够共享！(Matalab aspects related to the simulation literature, I hope everyone has good things to share!)

说明：  《数字信号处理教程——MATLAB释义与实现》的例程。对学习matlab数字信号处理有帮助。(Digital Signal Processing Tutorial- MATLAB interpretation and implementation)