near-field-operation

已知载波频率的扩频通讯MATLAB程序，通过扩展频率实现低信噪比的传输 (known carrier frequency of spread spectrum communication MATLAB program, through the expansion of low-frequency signal-to-noise ratio transmission)

In computer science and information theory, Huffman coding is an entropy encoding algorithm used for lossless data compression

一维线阵的方向图，可以很方便在程序中更改参数(One-dimensional linear array pattern,you can easily change the parameters in the program)

matlab/simulink建的混合动力汽车电机控制数学模型，可以控制电机的启停运转，发电等。(Matlab/Simulink built hybrid electric vehicle motor control mathematical model, can control the motor start and stop operation of power generation.)

应用于衍射光学模拟，可以在物理光学教学中使学生能够获得感性认识，是非常重要的(Applied to diffraction optical simulation, can be in physical optics teaching so that the students can get perceptual knowledge, is very important )

说明：  用matlab实现用遗传算法解决VRPTW问题的算例源代码(Using matlab to realize the source code of an example of solving VRPTW problem with genetic algorithm)

平衡方程Matlab代码,通过对力的分析，建立起来的力的数学解析表达式(Equilibrium equation of Matlab code, and through the analysis of the force, set up mathematical analytical expression of the force)

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. )

Rayleigh maximum likelihood filter for despeckling

Communication system with networks