该算法实现的自动增益控制，使随输入信号电平变化而引起的输出信号电平变化少。 在工程中很常用-The algorithm of the automatic gain control, so that with the input signal level changes caused by the output signal level changes less. Very common in engineering

几种非常常用的单片机滤波的算法的实现。里面有详细程序说明！-Several single-chip filtering is very commonly used in the realization of the algorithm. Detailed descr iption of the procedures inside!