摘要
从模拟调幅广播发展为数字调幅广播的必然性入手，分析了数字调幅广播的系统结构；通过比较三种初具雏形的数字调幅广播系统的实现方案及其优缺点，提出了适合我国国情的数字ＡＭ实现途径。
This paper discusses the necessity of analog AM broadcast to be replaced bydigital AM broadcast, and analyzes the system and structure of digital AM broadcast. Then ascheme suitable to China to develop digital AM broadcast is brought out through comparison ofimplementation, advantages and disadvantages of three prototype digital AM broadcast systems being tested.
出处
《电声技术》
北大核心
1999年第5期31-32,共2页
Audio Engineering
关键词
数字调幅广播
单载波模式
多载波模式
Digital AM broadcast Single-carrier mode Multi-carrier mode
