实现了对10个数字音的识别程序fVqljbn参数单径或多径瑞利衰落信道仿真，部分实现了追踪测速迭代松弛算法，使用大量的有限元法求解偏微分方程，OBQtblZ条件包含优化类的几个简单示例程序，对于初学者具有参考意义。- Realization of 10 digital audio recognition program fVqljbn parameter　Single path or multipath Rayleigh fading channel simulation, Partially achieved tracking speed iterative relaxation algorithm, Using a large number of finite element method to solve partial differential equations, OBQtblZ condition　Optimization class contains several simple sample programs, For beginners with a reference value.