它是一种多载波调制技术，同时也是一种复用技术。
It is a type of multi-carrier modulation and a technology of multiplex.
中文含义为正交频分复用，它是一种多载波调制技术。
Orthogonal frequency-division multiplexing (OFDM) is an attractive transmission technique for high-bit-rate communication systems.
根据OFDM技术的原理，多载波调制技术具有良好的抗多径效应能力。
Based on the principle of the OFDM technology, the multi-carriers modulation has strong abilities in counteracting the multi-path response.
一般多载波调制技术的主要特性是将一定宽频信道分解成为一组多个窄频信道。
The term multicarrier modulation includes a number of transmission schemes whose main characteristic is the decomposition of any wideband channel into a set of independent narrowband channels.
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。
Orthogonal frequency division multiplexing (OFDM) as the representative of the multi-carrier modulation technique proved to be one of the most promising.
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。
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.
多载波调制技术是一种并行数据处理方式，有效地对抗多径衰落，可以提高无线带限信道的数据传输速率。
Multicarrier modulation is a form of parallel data transmission, which is efficient to reduce the detrimental effects of multipath fading.
本文将软件无线电技术和OFDM多载波调制技术相结合，提出了基于软件无线电平台的OFDM多载波传输系统方案。
This paper mainly focuses on the combination of OFDM system with the Software Radio technology and presents OFDM transceiver scheme based on Software Radio platform.
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.
从这一点出发，多元正交幅度调制(MQAM)、多载波调制(MCM)及自适应调制技术成为下一代移动无线系统中最有竞争力的几种候选技术。
From this point, M-ary Quadrature Amplitude modulation (MQAM), MultiCarrier modulation (MCM) and adaptive modulation techniques are good candidates in next generation mobile radio system.
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。
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。
Professor Liang Dequn invented non-orthogonal multi-modulation technique (NMT), which is a multi-carrier modulation; it breaks through the orthogonal limitation.
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