case10year

求解声学问题的边界元源程序，可以为使用边界元法求解位势问题和弹性力学问题提供启发(problem solving acoustic BEM source, for the use of the boundary element method and the potential problems of elasticity to provide inspiration)

sphinx4的src部分，包含演示程序(the src part sphinx4 to contains the demonstration programs)

计算灰色关联度，包含灰色绝对关联度、相对关联度和归一关联度(Calculate the gray relational grade, contains gray absolute degree relative correlation degree and normalized correlation degree)

数值模拟方腔内Rayleigh-Benard对流。采用交错网格投影法，能量方程采用松耦合方法。(Numerical Simulation of square cavity Rayleigh-Benard convection. Using staggered grid projection method, the energy equation using loosely coupled approach.)

J2000坐标系与WGS84坐标系之间的转换矩阵计算。(The matrix between J2000 and WGS84 coordinat system)

一种快速富式变换源程序,对于数字信号处理非常有用。(a usefull FFT code is very convenient to signal process )

说明：  模拟退火算法，地球物理反演，非线性反演算法(Simulated annealing algorithm)

基于OpenMP的大型矩阵相乘的算法源码(Based on OpenMP for large matrix multiplication algorithm source code)

高频地波雷达回波信号二维傅里叶变换仿真处理，通过该变换可以得到海上目标的速度和距离信息。(HF ground wave radar echo simulation of two-dimensional Fourier transform processing, the adoption of the sea can transform the speed and distance from goal information.)

详细介绍了PMF-FFT的原理和实现方法，对于初学者有一定的帮助(Details of the theory and implementation of PMF-FFT, there is some help for beginners)