【摘要】 设计了一种基于Nios Ⅱ的DTMB单频网适配器,该方案由FPGA实现的核心功能模块和基于Nios Ⅱ软核CPU实现的控制模块组成。核心功能模块不仅实现了MIP包计算和插入功能,同时实现了PCR校正,传输流速率适配以及DS3输出接口适配等功能。更多还原

【Abstract】 This paper introduces a design of DTMB single frequency network adaptor based on Nios Ⅱ, which consists of a core functionality module based on FPGA and a control module based on the Nios Ⅱ CPU. FPGA module implements not only MIP computation and inserting functionalities, but also PCR modulation, transport stream bit rate adjusting and DS3 output adjusting etc.更多还原