chap3

两个设备形成对射，当有人通过时，一台设备发出指令，控制别的设备。(Two devices formed on the radio, when someone passed a device to issue commands to control other devices.)

This code can crosscorrelate seismic data togther.

关于食堂就餐顾客的排队问题的仿真程序，maltab编写(A simulation program on the queuing problem of dining room customers)

matlab经典实例边缘算法设计classic example of the edge algorithm matlab(matlab classic example of the edge algorithm design classic example of the edge algorithm matlab)

实现神经网络PID 液位控制程序，对程序进行编程，仿真，此神经网络是BP神经网络PID控制液位的程序。(Neural network PID level control procedures, implementation programming, the software simulation, the neural network of BP neural network PID control level.)

到达过程是的泊松过程，匹配追踪和正交匹配追踪，计算多重分形非趋势波动分析matlab程序。( Arrival process is a Poisson process, Matching Pursuit and orthogonal matching pursuit, Calculation multifractal detrended fluctuation analysis matlab program.)

Discrete cosine transform

QPSK程序代码 非常有用的东西 尽管不是本人原创，但比较都经典。文件为*.m格式(QPSK code very useful, although not my original thing, but the classic comparison. Document format*. m)

共轭梯度法，优化算法的一种，具有二次收敛性，若目标函数为二次正定函数，经有限步可达到极小点(Conjugate gradient method, an algorithm with quadratic convergence, if the objective function is quadratic positive definite function can be achieved by the finite step minima)

说明：  生成单位正方形上均匀分布的1行10000列随机数，并画散点图。(A random number of 1 rows and 10000 columns of a uniform distribution on a square square is generated and a scatter plot is drawn.)