chapter_8

利用MATLAB实现简单字符识别的一个例子(The use of MATLAB in the example of a simple character recognition)

It is three phase power pwm llevel.

给出了三种动态子结构方法的程序，对比了自由界面模态综合法，固定界面模态综合法，双协调自由界面模态综合法三种方法。(Shows three dynamic substructure method of procedure, compared to the free interface modal synthesis method, fixed-interface modal synthesis method, two-coordinate free interface modal synthesis method of three methods.)

euler算法与改进euler算法matlab源程序(euler algorithm and improved euler algorithm matlab source code)

常用机械优化方法。包括显式最速下降法，进退法，坐标轮换法，三次插值法。(Common mechanical optimization method.It includes explicit steepest descent method, advance and retreat method, coordinate rotation method and three interpolation method.)

power_transfo3ph,功率电子领域matlab仿真文件，已经验证过，程序运行正常( power_transfo3ph,Power electronics field matlab simulation file, has already been verified, the normal operating procedures)

非常好的关于,BP网络层数设计工作，有很好的应用价值。(Very good BP Neural network,Very good application)

以时滞切换系统为对象，给出了使系统稳定的输出状态反馈器设计条件(Dynamic output feedback control for a class of switched delay)

说明：  研究生时的现代信号处理作业，matlab编程，包括卡尔曼和维纳滤波(Graduate School at the time of operation of modern signal processing, matlab programming, including the Kalman and Wiener filtering)

摘 要 采用有限元和球函数相结合的方法,建立水下复杂壳体)))两端带半球壳的加肋弹性圆柱壳的振动!耦 合振动和声辐射方程,运用方程分析法,导出水下复杂壳体的振动!耦合振动和声辐射的相似关系,根据建立的相似关系 实现对壳体的振动响应和声辐射的预报"采用大型有限元软件对具有相似关系的模型和原型的振动响应和声 场进行分析,算例表明,方法切实可行并且为预报水下大型复杂结构体的振动响应和耦合声场提供了一种简洁!实用的 研究方法"(The finite element and ball method of combining functions, the establishment of underwater complex shell))) ends with a hemispherical shell stiffened elastic cylindrical shell vibration! Coupling )