以MPEG - 2标准为基础，阐述了QAM调制器前端包处理器的原理。

Based on MPEG-2 standard, the theory of head-end package processor in QAM modulator is interpreted.

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第2章从整体上介绍了TS流包处理器的设计原理，论证了设计方案，明确了要解决的问题。

In chapter 2, the design theory of head-end TS package processor is introduced in whole. The scheme is discussed and the problems needed to resolve is confirmed.

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此外，BCM 56504是基于每秒可处理超过1亿包的72gbps包处理器，这一能力在集成多层交换机领域无可匹敌。

Additionally, the BCM56504 is based on a 72 Gbps packet processor that is capable of processing over 100 million packets per second, which is unrivaled for integrated multi-layer switches.

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