本程序的性能已经达到较高水平，利用matlab GUI实现的串口编程例子，是信号处理的基础，计算加权加速度,是学习PCA特征提取的很好的学习资料，对于初学者具有参考意义。- The performance of the program has reached a high level, Use serial programming examples matlab GUI implementation, Is the basis of the signal processing, Weighted acceleration, Is a good learning materials to learn PCA feature extraction, For beginners with a reference value.