摘要
就多设备级联对播出信号质量的影响进行了理论分析和论证 ,并指出在播出系统中引入键控混合放大器 ,使设备级联工作方式变为并联方式 。
The influence of facilities cascade on broadcast quality is analyzed theoretically. It's concluded that facilities cascade model can be switched into parallel model by using a keying amplifier in broadcast system to improve broadcast quality.
出处
《中国有线电视》
北大核心
2004年第2期36-38,共3页
China Digital Cable TV