HLlishuduhanshuqiujie

说明：  （2,1,7）归零卷积码的维特比译码算法的matlab实现((2,1,7) convolutional codeviterbi algorithm matlab implementation)

说明：  该代码利用复化辛普深公式求给定函数的数值积分，已知该函数的等分区间。(The code deep with Combined Formula Simpson numerical integration of a given function, the function of the decile range is known.)

通过matlab代码实现PCA算法程序设计步骤： 包括1、去均值 2、计算协方差矩阵及其特征值和 qZHBpQ 特征向量 3、计算协方差矩阵的特征值大于阈值的个数以及 ixDqskB值 4、降序排列特征值，编译通过达到很高的性能。(PCA algorithm program realization by matlab code design steps include: 1, 2 to the mean, covariance matrix and its eigenvalues and eigenvectors qZHBpQ 3, calculate the covariance matrix of eigenvalues greater than the number of threshold values, and only 4 ixDqskB, in descending order eigenvalues, compiled by achieving high performance.)

matlab仿真的，多变量输入输出动态矩阵控制算法，希望对大家有所帮助。(Matlab simulation, mimo dynamic matrix control algorithm, we hope to help.)

A coursework that i do in my digital Communication to calculate mean height

杨氏双缝干涉 两相干光源到接收屏上P点距离r1=(D2+(y-a/2)2)1/2, r2=(D2+(y+a/2)2)1/2, 满足相干条件的光波叠加后，对于观察屏上某一确定点，即r1、r2确定后，叠加后的光强为 式中λ为光波的波长， 、 ，令相位差φ=2π（r2-r1）/λ, 最后可得公式如下： ， 最后光强I=4I0cos2（Φ/2）。 观察相干光叠加后光强的分布. (Young' s double slit interference two coherent light source to the point P on the receiving screen distance r1 = (D2+ (YA/2) 2) 1/2, r2 = (D2+ (y+a/2) 2) 1/2, meet coherent conditions lightwave after superposition, for a determined point on the viewing screen, i.e. R1, R2 is determined, the superimposed light intensity where λ is the wavelength of light, make the phase difference φ = 2π (R2-R1)/λ, final can be obtained using the following formula: Finally, the light intensity I = 4I0cos2 (φ/2). Observed coherent superposition of light intensity distribution.)

This section of MATLAB source code covers 802.16e ITU-T pedestrian and vehicular Channel models.

差分空时编码MATLAB源仿真代码，有图有真相哦(Differential space-time coding MATLAB the source simulation code, pictures and the truth Oh)

弹道方程组的三个阶段仿真程序 通过将其分成三个阶段 分别得到数值解(Equations of the three-stage ballistic simulation program will be divided into three stages through to obtain numerical solutions were)

XGM SOA model for semiconductor optical amplifier