It is a type of multi-carrier modulation and a technology of multiplex.
它是一种多载波调制技术，同时也是一种复用技术。
Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
为克服低压电力线信道的频率选择性和时变性，系统采用正交多载波方式传输信息。
Orthogonal frequency division multiplexing (OFDM) as the representative of the multi-carrier modulation technique proved to be one of the most promising.
以正交频分复用(OFDM)为代表的多载波调制技术被证明是最有前途的方案之一。
The OFDM (Orthogonal Frequency Division Multiplexing) multi-carrier modulation is used to process messages instead of the traditional single carrier modulation.
提出利用正交频分复用(OFDM)多载波调制方式代替单载波调制方式对信息进行处理。
Professor Liang Dequn invented non-orthogonal multi-modulation technique (NMT), which is a multi-carrier modulation; it breaks through the orthogonal limitation.
梁德群教授提出了非正交多重调制技术（NMT），是一种多载波调制方式，它突破了正交性限制。
And two kinds of training algorithm of equalizer in time domain which are used widely in multi-carrier modulation technique were compared in the underwater acoustic environment.
并对两种多载波调制技术中应用较为广泛的时域均衡器训练算法在水声环境下进行了比较。
At the same time, based on conventional modulation strategies-multi-carrier SPWM applied on multilevel inverter, hybrid modulation strategies are introduced corresponding to hybrid structure.
同时，基于传统的应用于多电平逆变器的多载波spwm调制策略，提出了对应于组合拓扑结构的组合调制策略。
Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier broadband modulation technique.
正交频分复用(OFDM)是一种多载波宽带数字调制技术。
Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier broadband modulation technique.
正交频分复用(OFDM)是一种多载波宽带数字调制技术。
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