rfid_matlab

运用Dijkstra算法的航迹规划，可以避障，对学习很有用(Track planning using Dijkstra algorithm can avoid obstacles and is very useful for learning.)

地层反射界面反射系数求取 ， 已知速度密度信息求取反射系数(Reflection layer interface reflection coefficient strike, strike a known speed-density information reflection coefficient)

数字通信中经常用到的几种调制方式仿真，包括ASK调制，OOK调制，FSK调制，BPSK调制等，将该代码理解透彻能够对数字系统中的调制解调方式有着更深入的认识，绝对的好东西，有时间会效代码中的各条语句添加上注释(Frequently used in digital communication several modulation simulation, including the ASK modulation, OOK modulation, FSK modulation, BPSK modulation, a thorough understanding of the code for digital modulation and demodulation system has a more in-depth understanding of the absolute good things, time will be valid code on each statement to add comment)

说明：  实现米散射算法，其中文件mie.m为主算法。(The Mie scattering algorithm is implemented, in which the file mie. m is the main algorithm.)

在一幅图像上画圆，可以输入二值或灰度图像(Drawcircle in an image, you can enter binary or gray image)

Matlab平台下仿真实现2*2, 4*4， 6*6天线Alamouti空时编码的MIMO系统，画出不同信噪比下的性能曲线对比。(2* 2, 4* 4, 6* 6 antenna Alamouti space-time coding MIMO system Matlab simulation platform, draw the comparison of different signal-to-noise ratio performance curve.)

用matlab写的m序列的模糊函数，运行后生成二维和三维仿真图(using Matlab m-sequences written by the fuzzy function after the operation generated 2D and 3D simulation map)

说明：  对信号进行傅里叶频谱求解，同时进行包络谱的结算(The signal is solved by Fourier spectrum, and the envelope spectrum is settled at the same time)

一整套OFDM系统的实现程序，基于梳状导频图案的OFDM系统估计，采用LS信道估计方法，和线性插值法，信道采用瑞丽多径信道。(A whole set of OFDM system, the implementation of the program of OFDM system based on comb pilot pattern, estimates using the LS channel estimation method, and the linear interpolation method, use ruili channel multipath channel. )

经典的高斯混合模型背景建模+肤色检测的Matlab实现(Classic Gaussian mixture model background modeling+ skin detection Matlab achieve)