matlab-codes

说明：  无线通信原理系统应用中用到的MATLAB仿真，对与学习无线通信原理及MATLAB都很有帮助滴(pricinples of communication system simulation with wireless aplications with MATLAB)

车牌定位的一种实现，主要利用了梯度差分提取高频分量后水平、竖直投影提取边界，规划定位(An implementation of license plate location, the main advantage of the high frequency components extracted after differential gradient level, vertical projection to extract the boundary, planning and positioning)

测量激光散斑图的统计尺寸，给出散斑二阶统计量的值(speckle size)

画出下述情况下均匀线阵方向图 1）计算来波方向为0度方向图 2）画出来波方向为45度时的方向图 3）画出来波方向为0度，幅度取分贝数：20log***（单位为dB）时的方向图 4）画出来波方向为0度，随着阵元数的增加，当N=16，N=32时的方向图，并对方向图的变化情况进行说明(Draw the following conditions uniform linear array 1) calculation of wave direction is 0 degrees direction diagram 2) draw out the wave direction is 45 degrees direction map 3) draw out the wave direction is 0 degrees, and amplitude decibels: 20log*** (unit dB) when the direction of FIG. 4) draw out the wave direction is 0 degrees, with the increase of the number of array elements, when N=16, N=32 pattern, and the change of direction is described )

杜克大学Steve Cummer(左)和David Schurig(右)，利用COMSOL做的二维隐身

将整个空间进行划分，变成无数的小空间，其中小空间的长度可变。(The entire space is divided into numerous small space, wherein the variable length of the small space.)

系统包括简单的基本功能，..........................(dfjk)

简单的将线性调频信号的时域图和频域图对比描述，帮助读者更加直观的看出线性调频信号的特征(Simple time domain and frequency domain plots in Figure chirp signal contrast description to help readers see more intuitive chirp signal characteristics)

Implementation of Integration method Ostrogradski. Function matlab.

用图形对混沌状态进行判别，比较直观的反应了混沌状态到大尺度周期状态的跃迁过程(Chaotic state to discriminate graphical, intuitive reaction to the chaotic state to the large-scale periodic state transition process)