论文部分内容阅读
1、引言21世纪是信息产业蓬勃发展的时代,信息深入到各行各业。我国的广播电视发射设备已全面实现固态化、数字化、数字调幅(简称DAM),10KW数字循环调制中波广播发射机采用LCD液晶显示屏和微机控制、保护等先进技术方
1. Introduction The 21st century is an era when the information industry is booming. Information goes deep into all walks of life. China’s radio and television transmitting equipment has been fully implemented solid-state, digital, digital amplitude modulation (referred to as DAM), 10KW digital cycle modulation wave radio transmitter using LCD liquid crystal display and computer control, protection and other advanced technology side