GPSsignal

对于Solder Mask Layers 和Paste Mask layers这个两个概念，有很多初学者不太理解这两个层的概念，本文做了一个通俗易懂的解释(an article about Solder Mask Layers and Paste Mask layers)

update node position

tabu search algorithm for tsp problem

malab语言实现bspline曲线拟合，采用改改进的pso算法实现 ，经测试可直接使用。 (malab the language bspline curve fit, change improved pso algorithm has been tested and can be used directly.)

music线性算法，用于dsp实验中数据的产生。(music linear algorithm for generating dsp experiment data.)

说明：  这里实现的卷积码译码器可实现（n,1,K）的卷积译码，即一个输入码元，n个输出码元，编码器的约束长度为K，采用函数的默认值将实现（2,1,7）的卷积译码。译码方法为维特比硬判决译码，且译码开始状态假定为全零状态。(Here to realize convolutional code decoder can realize (n, 1, K) convolutional decoding, namely an input element, n output element, encoder constraint length is K, takes the default value of function, achieve the convolutional decoding,1,7 (2). Decoding method for decoding victor than hard decisions, and decoding the start state assumed to zero state.)

svpwm的SIMULINK仿真模型，好用！(simulink model of svpwm)

program simulink of park s transform ,transforming 2 to 3 axes

主要用于对MATLAB的仿真上，进行FFT函数快速分析，已得到频谱波形和谐波波形的显示，进一步分析原理。(Mainly used MATLAB simulation, rapid analysis of the FFT function, has been harmonious spectrum waveform waveform display, further analysis of the principle.)

matlab的相空间重构代码，实测能用，是入门的非线性动力系统的好工具。(Good phase space reconstruction code!)