fisher

K-nearest neighbors 搜索 聚类时经常使用的一种方法 国外网站转载( The following utilities are provided: - Nearest neighbor - K-Nearest neighbors - Radius Search They al supports N-dimensions and work on double, it is possible to choose if return the distances. Here is a time comparison with a vectrized m-code: N=1000000 number of reference points Nq=100 number of query points dim=3 dimension of points k=3 number of neighbor tic [idc,dist]=BruteSearchMex(p ,qp , k ,k) MEX toc tic [idc,dist]=knnsearch(qp,p,k) VECTORIZED M-CODE toc p=rand(N,dim) qp=rand(Nq,dim) Output: Elapsed time is 0.962640 seconds. Elapsed time is 18.813100 seconds. )

read data function for project colour base image retrieval

gabor变换的论文，雷达信号处理方面的，很有用！！！(a paper about the gabor transformation of radar signal processing)

说明：  学习C调用Mathematica内核函数的一个例子,包括计算和图形接口.(Learning C calling Mathematica kernel functions with examples, including computing and graphics interfaces.)

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)

this file desribe the propagation of mode in few mode fiber

移动机器人的避障仿真实验，可运行，模拟机器人避开障碍并到达目标点的过程(Mobile robot obstacle avoidance simulation can be run to simulate the robot to avoid obstacles and reach the target point in the process)

很好的书，matlab simulink通信系统建模与仿真实例分析(邵珏斌)，很推荐(Very good book, matlab Simulink communication system modeling and simulation example analysis (Shao Zuobin), very recommended)

matlab7.0，适合初学者，不错的基础教程。。(Matlab tutorial foundation )

利用DFT实现两轮信号相位差计算，包含谐波信号污染，白噪声信号污染分析(Phase difference between two signals to achieve the use of DFT calculations, the signal containing harmonics pollution, contamination white noise signal analysis)