Fft-based2

s函数学习的入门资料，很详细的介绍s函数的写作方法(s function study of introductory information, very detailed)

一个OFDM系统的MATLAB程序 有利于对OFDM通信系统的同步进行研究(An OFDM system, MATLAB procedures are conducive to the synchronization of the OFDM communication system to study)

人体三维运动特征提取和对其动作行为检索，有助于大家对其深刻的了解(The human body 3 d motion feature extraction and retrieval to its behavior Help you for its deep understanding)

粒子群代码,是一个简单的例子群算法，maltab。可以根据需要进行修改，亲测过可以运行(Particle swarm code)

通过给出的随机过程，该随机过程是由3个实正弦信号组成，归一化频率分别为0.1,0.25,0.27，其中相位是相互独立在【0,2*pi】上分布的随机相位；噪声是均值为0、方差为1的实高斯白噪声，信噪比为30db,30db,27db,观测样本数为N，通过bartlett法，Welch法，周期图法计算随机过程的概率谱(Given by stochastic process, the stochastic process is composed of three real sine signal, the normalized frequency were 0.1, 0.25, 0.27, including phase is independent in [0, 2* PI] on the distribution of random phase Noise variance is the mean to 0, 1 real gaussian white noise, signal to noise ratio of 30 db, 30 db, db, and the observation sample for N, by bartlett, Welch, periodogram spectrum method to calculate the probability of the random process)

Allan方差的源代码，可计算Allan方差(Allan variance)

MATLAB GUI 滚动轴承特征频率计算，输入轴承参数，就可得结果(MATLAB GUI caculate frequency ,input some parameters of rolling bearing,then you can get the answear )

说明：  正弦波，方波，三角波三种波形的FM、PM调制解调(Modulation and Demodulation of Three Waveforms: Sine Wave, Square Wave and Triangular Wave)

自适应信号处理中 LMS 算法 程序 结果 以及结果的分析比较(LMS algorithm in adaptive signal processing procedures for analysis and comparison of results and the results)

輸入點位於WGS84之大地經、緯度，可於命令窗顯示此點之卯酉圈曲率半徑N、子午圈曲率半徑M及平均曲率半徑R及此點之空間直角坐標X、Y及Z。(Input point is located in the WGS84 geodetic latitude and longitude can be displayed in the command window of the prime vertical radius of curvature point N, M meridian radius of curvature and the average radius of curvature R and the point of the space rectangular coordinates X, Y and Z.)