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广播电视数字化带来了电视节目与数据业务在传输流程上的统一,卫星数字广播标准也随之面向更广阔的业务领域。DVB-S作为数字视频广播的主流技术,在世界各国得到了广泛应用,利用DVB-S信道传送的业务种类和数量越来越多。文章在现有分析处理手段的基础上,研究了基于PSI分析的业务数据分类方法中存在的一些问题;研究常用业务数据的特征码选取方法,实现了使用特征码进行业务数据分类。
The digitalization of radio and television brought the unification of the transmission process between the television program and the data service, and the satellite digital broadcasting standard also faced the broader business field. As the mainstream technology of digital video broadcasting, DVB-S has been widely used all over the world, and more and more services are transmitted by using DVB-S channels. Based on the existing analysis and processing methods, this paper studies some problems existing in the business data classification method based on PSI analysis, studies the pattern selection of common business data, and realizes the classification of business data by using the feature code.