| VHF频段数字音频广播系统人为噪声容差研究 |
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| 引用本文： | 戴宁江,李薰春,刘晓蓉.VHF频段数字音频广播系统人为噪声容差研究[J].广播与电视技术,2014,41(11):88-90. |
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| 作者姓名： | 戴宁江 李薰春 刘晓蓉 |
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| 作者单位： | 1. 江西广播电视台,江西,330046
2. 国家新闻出版广电总局广播科学研究院,北京,100866 |
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| 基金项目： | 科技部科研院所技术开发研究专项“调频频段地面数字广播覆盖网规划软件研究开发”支持 |
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| 摘 要： | 本文对人为噪声容差的计算方法进行了研究,给出了VHF频段数字音频广播系统覆盖最小中值场强的计算步骤,为中国数字音频广播系统覆盖规划和相关标准的制定提供了技术依据和参考。
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| 关 键 词： | 数字音频广播系统 人为噪声容差 天线噪声系数 |
Research on Man-made Noise Allowance for Digital Sound Broadcasting Systems in VHF Bands |
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| DAI Ningjiang,LI Xunchun,LIU Xiaorong.Research on Man-made Noise Allowance for Digital Sound Broadcasting Systems in VHF Bands[J].Radio & TV Broadcast Engineering,2014,41(11):88-90. |
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| Authors: | DAI Ningjiang LI Xunchun LIU Xiaorong |
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| Institution: | DAI Ningjiang, LI Xunchun, LIU Xiaorong( 1.Jiangxi Broadcasting ＆Television Station, Jiangxi 330046, China ;2. Academy of Broadcasting Science, SARPPFF, Beijing 100866, China ) |
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| Abstract: | In the paper,a method of calculation of man-made noise allowance for coverage is studied.With diffrent reception modes,calculation of minimum median field-strength level for DAB systems in VHF bands is also proposed.This paper provides a technical basis and reference for coverage planning and related standards of China＇s DAB system. |
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| Keywords: | DAB system Allowance for man-made noise Antenna noise factor |
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