nuipun

This is matlab otsu coding

QPSK调制在瑞利衰落信道的误码率性能和多重分集比较，有界面(QPSK modulation in Rayleigh fading channel the BER performance and multi-diversity compared with the interface)

数据包络模型DEA在matlab中的实现，很好用(DEA data envelopment model implementation in matlab, with a good)

matlab没有提供画椭圆的函数，该函数在获得椭圆中心 长轴轴 短轴后进行画椭圆，其中使用复变函数(did not draw an ellipse matlab function, the function in the long axis of the axis minor axis of the ellipse center painted oval, which use the complex function)

An optimized 3d Astar Path planner was uploaded.

ES UN PROGRAMA DE MARIO BROS

说明：  用PSO算法求解最短路径的例程，需要设定邻接矩阵和粒子维度(The routine of solving the shortest path with PSO algorithm)

Algorith PCA in Matlab. The example is basic, with random data

模拟高耸结构的随机风载荷，风速时程，风载荷时程(Analog towering structures to random wind loads, wind speed time)

PN-Chirp codes based on Multi-Correlation Receiver in a bandlimited channel