兼容PAL系统的数字AM-VSB调制器

ISSPA '99. Proceedings of the Fifth International Symposium on Signal Processing and its Applications (IEEE Cat. No.99EX359) Pub Date : 1999-08-22 DOI:10.1109/ISSPA.1999.815786

G. Redaelli, E. Gasparetto, G. Burzi

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引用次数: 0

摘要

本文设计了一种对复合PAL信号的上边带进行部分抑制的数字残余调制器。在此设备的数字实现过程中所做的选择允许将电视信号的数模转换转换为中频，同时确保与模拟传输系统和目前使用的电视接收器完全兼容。特别强调了对AM-VSB调制器提出的两种原始方案的描述，以及考虑到数字滤波器最重要参数影响的系统性能优化。

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Digital AM-VSB modulator for compatible PAL systems

This paper presents the design of a digital vestigial modulator with the partial suppression of the upper sideband of the composite PAL signal. The choices made during the digital implementation of this device allow to shift the digital-to-analog conversion of the TV signal to intermediate frequency while ensuring the full compatibility with analog transmission systems and the TV receivers currently in use. Particular emphasis is devoted both to the description of the two original schemes proposed for the AM-VSB modulator and to the optimization of the system performance, taking the influence of the most significant parameters of digital filters into account.

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ISSPA '99. Proceedings of the Fifth International Symposium on Signal Processing and its Applications (IEEE Cat. No.99EX359)

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