载波同步是正交频分复用系统的一项关键技术。
Carrier frequency synchronization is one of the key techniques of OFDM system.
提出了一种新的降低正交频分复用系统峰均功率比的方法。
A new method is proposed to reduce the peak-to-average power ratio of orthogonal frequency division multiplexing system.
将联合最大似然分组半盲估计算法应用于正交频分复用系统。
Joint ML block semi-blind channel estimation is applied to OFDM system.
提出了正交频分复用(OFDM)系统中一种新的帧同步算法。
A new frame synchronization scheme in orthogonal frequency-division multiplexing (OFDM) system was proposed.
正交频分复用(OFDM)是实现宽带电力线通信的关键技术。
Orthogonal Frequency Division Multiplexing (OFDM) is a critical technology for the realization of broadband power line communication.
在正交频分复用系统中，帧同步对系统性能起到十分重要的作用。
In the orthogonal frequency division multiplexing system, the frame synchronization plays an important role in the performance of system.
正交频分复用(OFDM)是实现高速数据传输的一种有效方法。
Orthogonal frequency division multiplex (OFDM) is an effective method to realize high data rate transmission.
提出了一种正交频分复用(OFDM)系统的频率和时间同步算法。
In this paper, a new frequency and symbol synchronization algorithm for OFDM systems is proposed.
正交频分复用(OFDM)是为宽带移动通信而提出的新型调制技术。
Orthogonal frequency division multiplexing (OFDM) is a new modulation method for broadband mobile communications.
符号、载波偏移严重影响着正交频分复用（OFDM）接收系统的性能。
Symbol timing and carrier frequency offset will significantly degrade the performance of OFDM(Orthogonal Frequency Division Multiplexing)receiver.
本文探讨了基于正交频分复用(OFDM)的电力线宽带数据传输方案。
In this paper, a scheme of Broadband Power Line Communication based on orthogonal frequency division multiplexing (OFDM) is discussed.
正交频分复用(OFDM)技术是未来宽带无线通信中最流行的技术之一。
Orthogonal frequency division multiplex (OFDM) is currently one of the most popular techniques for future broadband wireless communications.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing systems.
提出了一种新的无线信道下基于循环前缀的正交频分复用系统符号定时同步算法。
A symbol timing algorithm for orthogonal frequency division multiplexing (OFDM) systems with the cyclic prefix under wireless channels is proposed.
正交频分复用(OFDM)系统的一个主要缺点是峰均功率比(PAPR)过高。
One of the major drawbacks of the OFDM system is the high peak-to-average power ration (PAPR).
通信卫星的频分复用机制，对卫星通信系统的发送信号频谱成型提出了严格的要求。
As frequency divided multiplex access is widely adopted in communication satellite system, strict frequency spectrum limits on modulator is mandated.
针对正交频分复用(OFDM)系统提出了一种新的符号定时和载波频率同步算法。
A new symbol timing and carrier frequency synchronization scheme applicable to orthogonal frequency division multiplexing (OFDM) system was presented.
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.
正交频分复用(OFDM)因为其优良的性能在现代数字广播电视领域得到了广泛应用。
Orthogonal Frequency Division Multiplexing (OFDM) is widely applied in modern digital television broadcast field due to its favorable performance.
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。
The OFDM (Orthogonal Frequency Division Multiplexing) multi-carrier modulation is used to process messages instead of the traditional single carrier modulation.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用(OFDM)系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing (OFDM) systems.
本文提出两种新的用于循环前缀(CP)不足时正交频分复用(OFDM)系统的迭代均衡方法。
This paper presents two novel iterative equalization schemes for orthogonal frequency-division multiplexing (OFDM) systems when the cyclic prefix (CP) is not sufficient.
针对载波加权正交频分复用系统中权值选择的不确定性，提出了一种载频盲同步的性能分析方法。
Aiming at the uncertainty of weights selection in the weighting orthogonal frequency division multiplexing system, a performance analysis method for carrier blind synchronization is proposed.
目前，正交频分复用(OFDM)技术因能在无线时变信道中进行高速数据传输而受到广泛的关注。
At present, more comprehensive attention has been taken to OFDM technology in data transmitting systems with wireless time-varying channel.
本文研究了自适应正交多载波频分复用（AOFDM）中根据估计出的信道特性选择调制方式的问题。
The problem of how to choose the constellation size based on the estimated channel qualities in AOFDM systems is addressed in this paper.
为了减小正交频分复用系统受频率偏差的影响，在OFDM系统中设计了一种新的载波频偏估计算法。
To reduce the impact of carrier frequency offset in OFDM system, this thesis designs a new carrier frequency offset estimation scheme for OFDM system.
本文介绍采用相干接收方法的高密集度频分复用光纤通信的基本原理及实现这种接收方法的技术难点。
This paper introduces the fundamental principle of the high density FDM fiber optic communications with coherent reception and key points for its realization.
正交频分复用(OFDM)是一种新型调制技术，特别适合在多径传播的无线移动信道中高速传输数据。
OFDM (Orthogonal Frequency Division Multiplexing) is a new modulation technology, it is suitable to high-data-rate transmission in the wireless transfer channel with multi-path transmission.
正交频分复用(OFDM)是一种新型调制技术，特别适合在多径传播的无线移动信道中高速传输数据。
OFDM (Orthogonal Frequency Division Multiplexing) is a new modulation technology, it is suitable to high-data-rate transmission in the wireless transfer channel with multi-path transmission.
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