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说明：  PCA-SIFT算法的实现，PCA-SIFT是对SIFT算法的改进，用PCA替代SIFT算法中的第四步，提高了效率，且准确率更高(PCA-SIFT algorithm implementation, PCA-SIFT SIFT algorithm is an improved SIFT algorithm with PCA instead of the fourth step, improve efficiency, and higher accuracy)

function to easily save cell matrix with mixed data. Example file is included

卷积码（2，1，3）编译码matlab程序，简单易懂(Convolutional code (2,1,3) codec matlab)

Belief propagation algorithm over the BSC channel

最大化电动汽车充电收益，利用线性模型进行最优求解。(EV charging revenue maximization, the optimal use of a linear model to solve.)

风力发电并网对电能质量的影响，学习风力发电软件的资料(Of grid-connected wind power quality, the influence of the study of wind power generation software information)

ca码的产生，就是GPS中ca码的生成，利用的方针软件(ca generate code, that is, GPS code generated in the ca)

采用最速下降法的AGC仿真，比较了用误差平均和仅用当次误差的控制效果。(The steepest descent method using the AGC simulation, compared with the average error, and only when the second error control effect.)

说明：  地形数据显示matlab文件包 这是外国人编写的一个工具程序包(Terrain data matlab package This is a tool for foreigners to prepare package)

这是一个fir滤波器的仿真模型，可以提供为进一步的仿真提供基础(This is a fir filter simulation model, it can provide to further provide the basis for the simulation)