obstacles

说明：  通用Matlab求出：两个圆的交点坐标(不用solve语句)(Using MatLab program to get the intersection of two circle.)

说明：  通过拉普拉斯滤波器，高斯微分滤波器以及高斯差分滤波器提取图像边缘的简单matlab代码(Filter by Laplace, Gaussian derivative filters and difference filter from the edge of Gaussian simple matlab code)

Matlab中所有的函数，用户可以方便地使用(Matlab, all functions, users can easily use)

模式识别的贝叶斯算法和Fisher算法 加以比较 有图有真相(Bayesian algorithm and pattern recognition algorithms to compare Fisher map with the truth)

matlab常用算法的实现，还包括PPT讲解，很详细(matlab algorithm used, but also on the PPT, a very detailed)

说明：  matlab程序 遗传算法选择程序 敬请各位高手指教(Matlab procedures genetic algorithm selection process please enlighten you master)

符号定时，求得单个OFDM符号的开始和结束的精确时刻通过计算接收信号和已互参考的相关系数实现。(Symbol timing to obtain a single OFDM symbol of the beginning and end of the precise moment by calculating the received signal and each reference to realize the correlation coefficient.)

二维无限长介质圆柱、椭圆柱、方柱、三角柱 TM极化下的电磁流分布和双站RCS计算(矩量法) 参考文献：哈林登《计算电磁场的矩量法》第三章 点选配(Two-dimensional infinite dielectric cylinder, elliptical cylinder, square columns, triangular prism TM polarization of the electromagnetic flow distribution and bistatic RCS calculations (method of moments) References: Halin Deng, " Method of Moments electromagnetic field calculation," Chapter Select with)

里面有对img格式文件的读取方式，还有对图像进行低通和高通滤波的方法。(There is on img file format, and read the image low-pass and high-pass filter method.)

说明：  NCO模块的设计函数，用于产生正弦、余弦信号(It s a design functions about NCO module ，which is used for generating sine, cosine signal)