中文说明：用平面波展开法计算二维声子晶体带隙,双向PCS控制仿真，完整的图像处理课设，包含所有源代码，汽车图像，包含特征值与特征向量的提取、训练样本以及最后的识别，利用自然梯度算法，实现六自由度运动学逆解算法。
English Description：
Using the plane wave expansion method for calculation of band gap of two-dimensional phononic crystals, two-way PCS control simulation, a complete image processing course, containing all of the source code, image, contains the eigenvalues and eigenvectors of extraction, and, finally, the recognition of training samples, based on natural gradient algorithm, algorithm of inverse kinematics of six degrees of freedom.