然后阐述了OFDM技术原理，重点讨论了基带信号处理和变频两部分，对具体细节做了详细的说明。
Then the principle of OFDM technology is explained and the baseband signal process and the frequency conversion are discussed primarily with some detail problems explained.
本文的工作集中在TD-SCDMA空中接口物理层基带信号处理的核心技术：信道的编码和复用。
Work of this paper focus on the core technology , namely Channel Coding and Multiplexing of baseband signal process of radio interface physical layer in TD-SCDMA.
本文的工作集中在TD-SCDMA空中接口物理层基带信号处理的核心技术：信道的编码和复用。
Work of this paper focus on the core technology , namely Channel Coding and Multiplexing of baseband signal process of radio interface physical layer in TD-SCDMA.
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