The Digital Television Terrestrial Broadcasting(DTTB) is the most complex, the widest range among them.
其中，数字电视地面广播（DTTB）最为复杂、覆盖范围最广。
Digital Television Terrestrial Broadcasting (DTTB) is recently one of hot points researched by universities and enterprises around the world.
数字电视地面广播(DTTB)是近年来国际上大学和企业研究的热点之一。
Extensive simulations have verified that, even with high packet error rate, the proposed scheme may achieve efficient and robust video broadcasting over DTTB systems.
仿真结果表明，本文提出的算法即使在很高的数据差错率情况下，仍然可以实现地面数字电视广播系统中可靠而高效的视频传输。
The characteristics of the digital television terrestrial broadcasting (DTTB) channels with long impulse responses are analyzed, and the frequency domain multipath channel model is given.
本文分析了数字电视地面广播通信信道具有长脉冲响应的多径衰落的特点，从频域上表达了其多径衰落信道模型；
The frame structure in Chinese DTTB standard is introduced, and a channel estimation algorithm with a better performance is given according to the cycle characteristics of the signal frame head.
分析了中国数字电视地面广播标准中的系统帧结构，并根据信号帧头的循环特性，提出了一种性能较好的信道估计算法；
The frame structure in Chinese DTTB standard is introduced, and a channel estimation algorithm with a better performance is given according to the cycle characteristics of the signal frame head.
分析了中国数字电视地面广播标准中的系统帧结构，并根据信号帧头的循环特性，提出了一种性能较好的信道估计算法；
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