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。
The invention also provides a multi-carrier fast peak clipping method.
本发明还提供了一种多载波快速削峰方法。
Terabit/s multi-carrier / single-carrier optical transmission systems.
单载波及多载波太比特光传输系统；
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。
An optimal multi-carrier bit loading algorithm was proposed based on the margin-maximum criterion.
提出了一种基于裕量最大的多载波最优比特分配算法。
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。
Through the study of efficient allocation strategy, the performance of multi-carrier system can be improved.
通过研究有效的无线资源分配策略，可以提高多载波系统的传输性能。
Therefore adaptive allocation algorithms have been widespread concerned and become one of the focuses in multi-carrier system research.
因此自适应分配算法得到广泛关注，是当前多载波系统研究的热点问题之一。
The cross-term interference caused by multi-modulator and multi-carrier makes it difficult the use of the cyclic autocorrelation demodulation.
多调制源、多载波信号的循环自相关解调分析存在交叉项的干扰，这使循环自相关解调方法的实际应用产生了困难。
Moreover, FDE has been adopted as a key technique for both DS-CDMA and multi-carrier (MC -) CDMA to overcome the channel frequency-selectivity.
频域均衡作为关键技术不仅运用于DS- CDMA系统，而且也运用于多载波cdma (MC - CDMA)系统中来克服信道的频率选择性。
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。
Theoretical analysis and experimental results show that, FBMC as one of multi-carrier technology is also influenced by the synchronization bias like the OFDM.
理论分析的结果和实验表明，FBMC作为一种多载波技术和OFDM一样，也是受同步偏差的影响较大。
This thesis mainly discusses the multi-carrier phase code (MCPC) pulses signal, and the design of pulses trains with low peak-mean envelop power ratio (PMEPR).
本文主要研究了多载波相位编码(MCPC)脉冲信号，以及具有低峰值-平均包络功率比(PMEPR)的多载波脉冲串的设计。
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。
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。
Based on the characteristics of BOC (1, 1) signal, a multi-carrier model is built up and some unambiguous acquisition methods for BOC signal are briefly introduced and summarized.
基于BOC(1,1)信号特性，建立了多载波模型，对几种BOC捕获的非模糊算法作了简要介绍和总结。
The results show that the radio frequency drive voltage, the variation of states of polarization are main factors to affect the generation of the frequency-locked multi-carrier source.
结果表明，射频信号的驱动电压，系统中偏振态的变化是影响频率锁定多载波光源产生的主要因素。
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。
Focusing on the resource allocation problem in multi-user orthogonal frequency division multiple access (OFDMA) systems, a multi-carrier proportional fair scheduling algorithm, G-PFS, is proposed.
采用遗传算法搜索子载波最优分配方案，对多用户正交频分复用多址接入(OFDMA)系统资源分配问题进行了研究，提出了一种多载波比例公平调度算法G - PFS。
Multi-carrier and direct-spread-spectrum are employed by CDMA2000 to support wideband data service.
CDMA2000采用多载波和直接序列扩频两种方式来达到提供宽带数据业务的目的。
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。
Multi-carrier transmission technology-Orthogonal Frequency Division Multiplexing (OFDM), as the core technology of beyond 3g, has the characteristic of high data rate.
而多载波传输技术-正交频分复用(OFDM)，作为后三代移动通信的核心技术，则具有高数据速率传输的特点。
The ratio of peak and average power in multi carrier system is much larger than that in single carrier system, and may grow unboundedly as the number of subcarriers grows to infinity.
多载波信号的峰值平均功率比远远大于单载波系统，而且峰平比随着子载波个数无限增长。
Carrier borne crane, a multi joint foldable one, is being developed in the country.
舰载特种起重机是我国正在研制开发的多关节、可折叠式船用起重机。
The invention relates to a taxi roof numeral multi-purpose intelligence integration electron display screen system, belongs to the advertisement issue carrier domain.
一种出租车车顶数字多功能智能一体化电子显示屏系统，属广告发布载体领域。
Autonomous underwater vehicle (AUV) is a multi-body system composed of a load and a carrier.
自主式水下航行器是由载荷和运载体组成的一个多体系统。
Frequency width is compressed by decreasing signature-code speed and using bit-signal modulates by different carrier so as to decrease multi-user interference.
利用降低码片速率有效降低每路信号占有的带宽，将每路信息的比特分配在不同的调制载波上，减少了各路信号间的多址干扰。
Firstly the structure of stamping progressive die was analyzed, and then the design of main contents such as the multi-position progressive die of layout design and strip carrier were stated.
对冲片连续模的结构进行分析，阐述了多工位连续模的排样设计、条料载体设计等主要内容。
A design scheme of multi-rate energy meter based on the broadband carrier of power lines and its automatic relay routing algorithm are proposed.
提出了基于电力线宽带载波的复费率电能表设计方案及自动中继路由算法。
Based on this, the thesis also researches PWM control methods of multi-level inverter and introduces the carrier PWM method of three-level inverter in detail.
在此基础上，研究了多电平逆变器的各种PWM控制方法，并对三电平逆变器的载波pwm方法进行了详细介绍。
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