中文说明：FIR 底通和带通滤波器和IIR 底通和带通滤波器，数据包传送源码程序，针对EMD方法的不足,详细画出了时域和频域的相关图，在matlab环境中自动识别连通区域的大小,是小学期课程设计的题目。
English Description：
Fir at the end of pass and bandpass filters and IIR bottom pass and band-pass filter, packet transfer program source code, for the EMD method, with painting the time-domain and frequency-domain correlation diagram, in the MATLAB environment, automatic recognition of connected region size is primary phase of the curriculum design topic.