基于电磁降噪电路的恒流高清图像信号处理系统  

Constant current high definition image signal processing system based on electromagnetic noise reduction circuit

作　　者：程晓东 姜竹楠 Cheng Xiaodong;Jiang Zhunan(Shenyang Institute of Engineering School of Electrie Power,Shenyang Liaoning,110000)

机构地区：[1]沈阳工程学院电力学院,辽宁沈阳110000

出　　处：《电子测试》2020年第7期29-30,11,共3页Electronic Test

基　　金：沈阳工程学院2018年科技基金立项学生科技创新项目“基于电磁降噪电路的恒流高清图像信号处理系统”。

摘　　要：本文设计了基于电磁降噪电路的恒流高清图像信号处理系统。系统中选用APW7120集成芯片作为中央处理芯片,以液晶显示器或智能终端显示屏作为显示单元,将信号滤波单元当作电子滤波器,据此,此系统可通过过滤图像信号内的干扰信号,优化图像信号质量;还可基于集成芯片直接简捷化系统结构,并控制系统自主生成的电磁噪声信号,以此保证系统在图像信号处理时不受电磁噪声影响,从而提高系统稳定性与可靠性;通过适度处理输入电流,可确保在正常运转时不会生成电磁干扰信号,以显著提升系统稳定性。This paper designs a constant current high definition image signal processing system based on electromagnetic noise reduction circuit.In the system,apw7120 integrated chip is used as the central processing chip,LCD or intelligent terminal display screen is used as the display unit,and signal filtering unit is used as electronic filter.According to this,the system can optimize the image signal quality by filtering the interference signal in the image signal;it can also directly simplify the system structure based on the integrated chip,and control the independently generated electricity of the system Magnetic noise signal,so as to ensure that the system is not affected by electromagnetic noise during image signal processing,so as to improve the stability and reliability of the system;through appropriate processing of input current,it can ensure that electromagnetic interference signal will not be generated during normal operation,so as to significantly improve the stability of the system.

关 键 词：电磁降噪电路 恒流 高清图像信号 

分 类 号：TN911.73[电子电信—通信与信息系统]