High speed down-hole transmission technology of video data with a single cable is introduced in this article.

文章介绍了单芯电缆高速传输井下视频数据技术的电路实现。

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This paper is focused on the new concept of cluster OFDM for high-speed data transmission in the Satellite-Earth communication, researches on the key technology of synchronization and cluster.

本文研究了星-地高速数据传输的新型群聚OFDM概念，研究新型系统中的同步、群聚关键技术。

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OFDM is a high transmission technology in the wireless propagation environment. It is fitted to transmit high-speed data in the wireless channel which has multi-path delay and Doppler frequency shift.

OFDM是一种无线传播环境下的高速传输技术，适合在多径传播和多普勒频移的无线信道中传输高速数据。

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Once commercialized, 5G mobile communications technology will be capable of ultra-high-speed data transmission up to several hundred times faster than even the 4G LTE-Advanced technology due for launch later this year.

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