数字发射机的指标调整与无线覆盖的发展探究  

Research on the index adjustment of digital transmitter and the development of wireless coverage

作　　者：朱运宏 Zhu Yunhong(Radio and Television Station of Huoqiu County,Lu’an 237400,China)

机构地区：[1]霍邱县广播电视台,安徽六安237400

出　　处：《无线互联科技》2022年第18期20-22,共3页Wireless Internet Technology

摘　　要：为了实现数字发射机无线覆盖范围的拓展,文章针对数字化手机指标调整展开讨论。首先,介绍了数字发射机与无线覆盖,了解当前阶段数字发射机的运行原理以及对其进行指标调整的必要性。其次,总结了数字发射机指标调整的基本内容,介绍了无线覆盖系统在数字发射机中的实际运用,分别从发射功率、频谱特性、调制误差率3个方面总结数字发射机指标调整的建议。最后,总结了数字发射机无线覆盖的发展趋势,明确了未来广播电视行业的发展方向,以期能够提高整体技术水平。In order to expand the wireless coverage of digital transmitters,this paper discusses the adjustment of digital mobile phone indicators.First of all,the digital transmitter and wireless coverage are introduced to understand the operation principle of the digital transmitter at the current stage and the necessity of its index adjustment.Secondly,it summarizes the basic content of digital transmitter index adjustment,introduces the practical application of wireless coverage system in digital transmitter,and summarizes the suggestions for digital transmitter index adjustment from three aspects of transmission power,spectrum characteristics,and modulation error rate.Finally,the development trend of wireless coverage of digital transmitters is summarized,and the development direction of the future radio and television industry is clarified,in order to improve the overall technical level.

关 键 词：数字发射机 指标调整 无线覆盖 调频广播 

分 类 号：TN948.53[电子电信—信号与信息处理]