用卷积积分法作出例3.8-2的响应曲线的MATLAB程序(The response curve of an example 3.8-2 by the convolution integral method)

采用卷积积分法计算单自由度体系的时间位移曲线，MATLAB程序(Convolution integral method is used to calculate the time displacement curve of the single degree of freedom system. The MATLAB program is used.)

实现衍射仿真的三种方法，卷积法 积分法 和角谱法(Three Methods for Realizing Diffraction Simulation)