介绍的有源电力滤波器液晶显示系统其核心为32位高性能ARM控制器STM32F103。STM32F103具有性能高，成本低，功耗低的优点，具有丰富的外设接口，设计方便。(The active power filter, the core of the LCD system, is a 32 bit high performance ARM controller STM32F103. STM32F103 has the advantages