FFTandIFFT

滤波器与匹配电路的设计，基于简化实频技术的matlab实现(the SRFT achieves an optimal lter design byusing computer-aided optimization. This code will describe SRFT and a MATLABR implementation of the SRFT currently under development)

ABAQUS中各种不同本构的内聚力单元fortran用户子程序(ABAQUS in a variety of constitutive cohesive unit fortran user subroutines)

运用龙格库塔法-ode45求解一个多自由度的振动方程，得到振动的时域响应曲线(Using Runge Kutta method, -ode45 solved a multi degree of freedom vibration equation, and obtained the time domain response curve of vibration.)

说明：  同时求取不同信号的多个时域特征参数，可以随意更换待分析信号(Multiple time domain characteristic parameters of different signals are obtained at the same time.)

采用dsp产生lorenz信号，以用于混沌保密通信，程序在ccs下调试并通过(using dsp have lorenz signal to be used in chaotic secure communications, Under procedures in ccs through debugging and)

针对三维问题，建立四面体单元的有限元方法(Finite element method for establishing tetrahedron element)

地统计学中的克里格插值法，Matlab编写，内有详细的说明。(failed to translate)

三次样条插值c++头文件，一些头文件，非常好(Cubic spline interpolation c++ header files, some header files)

精密星历内插 matlab代码,包含误差分析(Precise ephemeris interpolation matlab code, including error analysis)

说明：  详细描述了通过卡尔曼滤波算法对GSP和imu数据进行融合(merge the gps and imu with the kalman)