M-QAM_rayleigh

code for the route angle in wsn

说明：  Matlab教程，包括Matlab符号与数值运算、Matlab绘图、Matlab程序设计及其工程运用等内容(Matlab tutorials, including Matlab symbolic and numerical computation, Matlab graphics, Matlab programming and engineering application, etc.)

FFT 实例 x=0.5*sin(2*pi*15*t)+2*sin(2*pi*40*t)。采样频率fs=100Hz，分别绘制N=128、1024点幅频图(FFT in Matlab example)

butterworth filter for image enhancement

输入一个任意长的数字序列，使用幅度调制法调制，然后使用包络检波法解调(Enter an arbitrarily long sequence of numbers, use the modulation amplitude modulation method, and then use the envelope detection method demodulation)

通过蚂蚁的随机移动而提出的一种随机游走算法(A random walk algorithm based on the random movement of ants is proposed)

确定lyapunov指数的Matlab计算程序。(Lyapunov index to determine the Matlab program.)

For artifical object insertion.It does this in seamless manner.

线性调频信号雷达脉冲压缩仿真及程序，chirp信号的产生，压缩及效果(LFM singal simulation)

image registration code for different code.