program

本文讲述锁相环的工作原理，锁相环路实际上是一个相差自动调节系统。(This article describes the working principle of PLL, PLL is actually a difference between the automatic adjustment system.)

经典谱分析，周期图法以及修正的周期图法分析以及方法比较(Classical spectral analysis, periodogram and the modified periodogram analysis and comparison of)

Digital filter banks

Numerical solutions for ODEs

实现QPSK系统性能仿真，仿真与理论相符，供大家参考！(QPSK System Simulation, Pe evaluation)

计算自由空间FDTD程序，包括信号初始化和矩阵初始化和场计算(free space FDTD calculation procedures, including the initialization signal and matrix initialization and field calculation)

这是一个基于matlab另一种方法编写的梁的有限元程序，可以用于初学有限元程序的人参考。(this is a matlab program used for cantilever calculation, it can be used for a fresh hand to reference.)

21世纪高等院校创新教材，对数值计算的多种方法进行说明，并有实验说明，是现在研究生教育使用教材。(Innovation teaching material in colleges and universities in the 21st century, a variety of methods of numerical calculation, and experiments shows that graduate education is now using the teaching materials. )

本程序提供了在空间相关信道下，差分空时码的源代码(This procedure provides a channel in the space-related, differential space-time source code)

We start by creating a magic square and assigning it to the variable A.