| 有线数字电视噪声干扰初探 |
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| 引用本文： | 吴乔华,于金良.有线数字电视噪声干扰初探[J].中国有线电视,2010(4):461-464. |
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| 作者姓名： | 吴乔华 于金良 |
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| 作者单位： | 吴江有线广播电视网络有限公司,江苏,吴江,215200 |
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| 摘 要： | 吴江有线数字电视平台于2007年6月建成，并投入试运行，同年8月吴江数字电视整体转换开始，系统正式投入商业运行。结合吴江数字电视的技术维护情况，对引起有线数字电视故障的各种噪声干扰的形成原因进行试探性分析，并提出一些值得借鉴的解决和预防措施。
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| 关 键 词： | 数字电视 噪声 相位噪声 组合互调噪声 电路噪声 |
Brief Analysis of Interference in Cable DTV Transmission |
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| WU Qiao-hua,YU Jin-liang.Brief Analysis of Interference in Cable DTV Transmission[J].China Cable Television,2010(4):461-464. |
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| Authors: | WU Qiao-hua YU Jin-liang |
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| Affiliation: | WU Qiao-hua,YU Jin-liang(Wujiang Cable Broadcast Television Network CO.,Ltd,Jiangsu Wujiang 215200,China) |
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| Abstract: | Wujiang cable digital TV platform has been completed in June 2007 and put into trial operation.In August,the same year,the overall conversion into digital television in Wujiang began.The system was put into commercial operation.Combining with the technical maintenance of digital television in Wujiang,this paper analyzed the interference in transmission of cable digital TV,which was caused by various kinds of noise.Then it made some worth learning solutions and preventive measures. |
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| Keywords: | digital TV noise phase noise intermodulation noise circuit noise |
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