并网逆变器采用LCL滤波器，能够进行滤波并网的功能，具有良好的效果-Grid inverter with LCL filter, capable of filtering and network capabilities, with good results

利用MATLAB执行LPC分析和合成语音文件和显示原始语音信号通过滤波,提取LPC的错误(激发)信号,然后使用逆LPC的滤波误差信号,可以完全恢复原始语音信号。-This MATLAB exercise performs LPC analysis and synthesis on a speech file and shows that by filtering the original speech signal, extracting the LPC error (excitation) s