• To build nationwide synchronized time net using SDH network, we must study the time delay in SDH network transmission path.

    利用SDH网络组建全国时间同步网需要研究sDH网络传递路径时延和时延误差。

    youdao

  • 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一种无线传播环境下高速传输技术适合多径传播多普勒的无线信道传输高速数据

    youdao

  • 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一种无线传播环境下高速传输技术适合多径传播多普勒的无线信道传输高速数据

    youdao

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