主要是关于信号采样与恢复过程中的混叠及其滤波的一篇仿真报告，报告中详细论述了信号采样和恢复的全过程，以及数字信号处理中的要点，附有仿真程序，以供参考和学习-Mainly related to signal sampling and recovery process-aliasing filter and a simulation of the report in detail the signal sampling and recovery of the entire process, as well as digital signal processing elements, with a simulation program for reference and learning