建议的组合频率分配方法

5th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service. TELSIKS 2001. Proceedings of Papers (Cat. No.01EX517) Pub Date : 2001-09-19 DOI:10.1109/TELSKS.2001.955835

K. Koitchev, S. Sadinov, Stefan Nemtsov

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引用次数: 0

摘要

本文讨论了有线电视中复合频率的获取及其对电视信号质量的影响。分析了它们的出现，并给出了随着电视频道数的增加，计算复合频率数的通用方法。研究了10个和20个电视节目的复合三拍(CTB)频谱图，以及特定频道的频谱图。给出了共/总信号输出张力因产生复合频率而减小的公式。

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Suggested method for composite frequencies allocation

This paper deals with the obtaining of composite frequencies and their influence on the quality of the television (TV) signal in CATV. Their appearance is analysed and we offer generalised method for calculating the number of composite frequencies, with increasing number of TV channels. Spectrograms of composite triple beat (CTB) for 10 and 20 TV programmes are examined, and of the particular channel as well. A formula for the reduction of output tension of the common/total signal due to generated composite frequencies is given.

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来源期刊

5th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service. TELSIKS 2001. Proceedings of Papers (Cat. No.01EX517)

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