PLL

空间计量Elhorst的所有程序，已经加载了matlab的计量程序，可以通过修改读入文件的路径一次性成功。(All the procedures of spatial mathmetrics by Elhorst, which can be successfully operated once by modifying the path of reading files.)

说明：  形成低通滤波器及实际RC低通滤波电路的单位冲激响应与频谱图(Unit impulse response and frequency spectrum of low pass filter and practical RC low pass filter circuit)

房源管理系统 很好的一个参考资料 然后通过登录去管理好这些客源信息。(Housing management system, the code is the housing system of a B/S system, a good reference)

ABAQUS dload子程序，应用于动、静力学计算。(ABAQUS dload subroutine which is applied to dynamic and static calculation.)

说明：  PLC Open编程手册，适合codesys平台(THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND MAY BE SUBJECT TO FUTURE ADDITIONS, MODIFICATIONS, OR CORRECTIONS. PLC OPEN HEREBY DISCLAIMS ALL WARRANTIES OR CONDITIONS OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES, OR CONDITIONS OF TITLE, NON-INFRINGEMENT,)

采用可变模式分解对一维时间信号进行分解，其性能优于传统EMD，LMD等方法(signal processing method)

这是气象上计算流函数势函数的相关程序，希望有帮助(Flow function potential function)

多次改进的seis系列传统正演源程序seis88，仅供参考。(for ray tracing use.)

说明：  有限元程序，计算平面应力，平面应变，轴对称问题，FORTRAN语言编写的。(Finite element program.)

利用状态方程在时域求解颤振速度 希尔道森气动力(aeroelastic flutter theodoson)