neidian

FIPSO算法，全信息粒子群算法，用于求解一些函数的最优值问题(fully informed particle swarm, a kind of particle swarm)

2DLDA PK LDA for feature extraction

说明：  matlab常用函数参考，比较有用，尤其是对于使用matlab还不太熟练的编程人员。(matlab common function reference, more useful, especially for the use of matlab not very skilled programmer.)

经典的香农采样定理认为,为了不失真地恢复模拟信号,采样频率应该不小于奈奎斯特频率(即模拟信号 频谱中的最高频率)的两倍.但是其中除了利用到信号是有限带宽的假设外,没利用任何的其它先验信息.采集到 的数据存在很大程度的冗余.Donoho等人提出的压缩感知方法(Compressed Sensing或Compressive Sampling, CS)充分运用了大部分信号在预知的一组基上可以稀疏表示这一先验信息,利用随机投影实现了在远低于奈奎斯 特频率的采样频率下对压缩数据的直接采集.该方法不仅为降低采样频率提供了一种新思路,也为其它科学领域 的研究提供了新的契机.该文综述性地阐述了压缩感知方法的基本原理,给出了其中的一些约束问题和估计方法, 并介绍压缩感知理论的相关问题———矩阵填充,最后讨论了其未来可能的应用前景. (According to the conventional Shannon s sampling theorem,in order to represent the analog signal,the sampling rate should not be less than twice the Nyquist sampling rate.Howev- er,this theorem only makes use of the bandwidth information.As a result,the collected data contain many redundant information.The recently proposed sampling method,compressed sens- ing or compressive sampling(CS),can collect compressed data at the sampling rate much lower than that needed in Shannon s sampling theorem by exploring the compressibility of the signal. This paper presents a review on the basic theory of CS.Some of the restrictions and recovery methods in CS are also discussed.Finally,some potential applications based on CS are presented. )

步进电机的MATLAB仿真程序，采用了卡尔曼滤波，对定子电流进行估计，并估算出转子的位置和速度(Continuous time extended Kalman filter simulation for two-phase step motor，Estimate the stator currents, and the rotor position and velocity, on the basis of noisy measurements of the stator currents. )

有关于CDMA的多用户盲检测的matlab源程序，非常好用。希望对大家有用(about the CDMA matlab blind source separation is very cool got it!)

The book includes an inplicitly method to discretitize the PDEs, also provides solutions to the algebraic equations using matlab code.

包含五个蓝牙调频通信系统子程序，含序列生成、调制、解调等。(consists of five subroutines, including sequence generation, modulation, demodulation and so on.)

说明：  dwt是一种变换域上的频率，它是非常优秀的一种算法，它也非常的高效(dwt is a frequency domain transformation, it is a very good algorithm, it is also very efficient)

水的沸腾程序，能和FLUENT一起做水的相变(Water boiling process, energy and FLUENT to do with the phase change of water)