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本文介绍了中国移动多媒体广播发射机CMMB的基本原理与技术,并结合1KW发射机对CMMB的系统构成进行了详述,同时对带肩比、频谱模板两个重要参数指标的改善做了简要的分析。
This paper introduces the basic principle and technology of China Mobile Multimedia Broadcasting Transmitter CMMB. The system constitution of CMMB is described in detail with 1KW transmitter. At the same time, the improvement of two important parameters, analysis.