中文说明：对于初学者具有参考意义，是路径规划的实用方法，旋转机械二维全息谱计算，用MATLAB编写的遗传算法路径规划，虚拟力的无线传感网络覆盖，用平面波展开法计算二维声子晶体带隙。
English Description：
Has the reference significance for beginners, is a practical method of path planning, rotating machinery two-dimensional holographic spectrum calculation, using Matlab genetic algorithm for path planning, virtual force of wireless sensor network coverage, using the plane wave expansion method calculation of two-dimensional phononic crystals bandgap.