ofdm
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英
- 网络正交频分复用(Orthogonal Frequency Division Multiplexing)；正交频分复用技术；正交分频多工
例句
Numerical results show that this algorithm can recognize the OFDM signal in a wide SNR range with a high average classification probability.
计算机数值仿真结果验证了该算法在很宽的信噪比范围内对OFDM具有很高的平均识别率。
For you to do engage in OFDM system simulation and related postgraduate theses, and no comprehensive simulation program provide the program.
为各位搞仿真和做OFDM系统相关论文的研究生，而没有全面仿真程序的人提供本程序。
The thesis realized a prototype of a powerline OFDM communication system which can be practically used in a laboratory environment.
实现一个电力线正交频分复用通信系统是本文工作的重点之一。
Orthogonal Frequency Division Multiplexing (OFDM) has turned out to be a popular multiple access scheme in wireless networks.
在无线网路中，正交分频多工成为一项风行的多重进接方法。
In one example, a non-OFDM signal is received and is processed into an OFDM signal to produce a created OFDM signal.
在一个示例中，接收非OFDM信号并将其处理成OFDM信号以产生所创建的OFDM信号。
The computer simulation results show that this algorithm is suitable for OFDM systems with static or slew fading channel.
通过仿真结果进一步验证了此算法在静态和慢衰落信道中的实用性和有效性；
The invention discloses a method and a device for transmitting pilot in an orthogonal frequency division multiplexing (OFDM) system.
本发明公开了正交频分复用系统中的导频传输方法和装置。
Meanwhile, wavelet transform idea is applied to this paper and a new wavelet de-noising method in OFDM channel estimation is proposed.
另外，将小波变换思想运用到OFDM信道估计中，提出一种基于小波去噪的OFDM信道估计新方法。
Here is a part about the OFDM course and the simulation, does not know is useful, counter- just right thing and everybody sharing.
这里是一部分关于OFDM的教程和仿真，不知有没有用，反正好东西与大家共享。
Orthogonal frequency division multiplex (OFDM) is currently one of the most popular techniques for future broadband wireless communications.
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。
Being one of the core MIMO techniques, the space-time code technique takes a very important status in the MIMO-OFDM system.
作为MIMO核心技术之一的空时编码技术，在MIMO-OFDM系统中具有极为重要的地位。
The binary data bit of OFDM is modulated on the corresponding subcarrier by PSK or QAM.
OFDM系统中二进制数据比特以PSK或QAM等调制方式调制到相应的子载波上。
Frequency offset tracking is one of the key technologies that affect OFDM systems' performance.
频偏跟踪是影响到OFDM系统性能的关键技术之一。
As a hopeful technology to be used in the physical layer of Next G, MIMO-OFDM is becoming the research focus in communication.
MIMO—OFDM作为很有希望解决下一代通信系统物理层方案的技术，正在成为国内外通信领域研究的热点。
However, one of the drawbacks of OFDM is the sensitivity to synchronization error, especially to frequency offset.
然而，OFDM一个缺点就是对于同步错误非常敏感，特别是对于频率偏差。
Channel Estimation technique is one of the key techniques in OFDM communication systems.
信道估计是正交频分复用系统中的关键技术之一。
For a multiple-input-multiple-output (MIMO) OFDM system, the required complexity of the ZF and MMSE methods becomes more intractable.
在多输入多输出正交分频多工系统中，强制归零及最小均方差等化器所需的复杂度问题将变得更难以解决。
A channel estimation scheme for a multi-input multi-output orthogonal frequency-division multiplexing (MIMO-OFDM) system was presented.
给出了一种适于多输入多输出-正交频分复用（MIMO-OFDM）系统的信道估计方案。
With urged demand on the digital, wideband, personal and mobile communication, OFDM has become one of the hottest topics in this field.
随着人们对通信数字化、宽带化、个人化、移动化的要求，OFDM正在成为移动通信中的研究热点。
The scheme gives more accurate channel estimates without any change of the system architecture.
在不改变TDS-OFDM系统结构的情况下，本方案能获得更准确的信道估计。
Orthogonal frequency division multiplexing (OFDM) systems are very sensitive to the synchronization error.
正交步分复用系统对同步误差非常敏感。
While in the meantime, OFDM has its own shortcomings: its sensitivity to a frequency offset and the high peak-to-average ratio.
但是与此同时，OFDM技术自身存在着两个主要的缺点：对频率偏差敏感；
Orthogonal frequency division multiplexing (OFDM) modulation is an effective method for high data rate transmission.
OFDM是实现高速数据传输的一种有效手段。
The prerequisites of normal work of OFDM system are the precise time synchronization and the accurate frequency synchronization.
精确的时间同步和准确的频率同步是OFDM系统正常工作的前提条件。
Channel estimation technique is one of the key techniques in OFDM systems.
信道估计是OFDM系统中的关键技术之一。
Simulations show that this is one-symbol convergence estimator with low error.
仿真表明，估计器在一个OFDM符号内收敛，且误差较小。
As one of the key technologies of MIMO OFDM, synchronization comes to the research focus.
同步技术作为MIMOOFDM的关键技术之一，已经成为当前研究的热点。
Compared with traditional single-user OFDM systems, synchronization technology for OFDMA system are more difficult.
相对于传统单用户的OFDM系统，OFDMA系统的同步技术遇到更大的困难。
The maximum Doppler frequency shift is an important parameter which affects the performance of the OFDM system.
在OFDM系统中，影响其性能的一个重要参数就是最大多普勒频移。
Therefore, the combination of MIMO and OFDM is an attractive and competitive solution for future broadband wireless systems.
因此，OFDM和MIMO技术的结合已经成为未来宽带无线通信领域最有吸引力的候选方案。
Thus, we study the system modeling for subcarrier allocation in the OFDM-based wireless multimedia networks.
因此，在以正交分频多工为基础的无线多媒体网路中，我们研究子载波配置的系统塑模。
Therefore, the accurate estimation of the channel state information is indispensable for OFDM signal detection and ICI suppression.
信道参数的估计对OFDM信号的检测与ICI的抑制都是必不可少的。
The performance of an OFDM system in time-varying channel is analysed in this paper, and an improved receive algorithm proposed.
该文分析了在时变通道中OFDM系统的性能，并在此基础上提出了一种改进的接收算法。
Secondly, the timing synchronization algorithm for OFDM systems and frequency synchronization algorithm were researched.
其次对OFDM系统的定时同步算法和载波频率同步算法进行研究。
A subcarrier allocation algorithm is presented for multiuser MIMO-OFDM communication network based on maximum of the system sum capacity.
针对多用户MIMO-OFDM通信网络，提出了一种基于系统和容量最大化的子载波分配算法。
Multipath channel simulation of OFDM systems, including encoding, mapping, interleaving, modulation.
多径信道下的OFDM仿真系统，包括编码，映射，交织，调制。
Finally, we investigate the combination of space-time coding technique and orthogonal frequency division multiplexing (OFDM) technique.
最后详细讨论了空时编码技术与正交频分复用（OFDM）技术的结合。
Orthogonal Frequency Division Multiplexing (OFDM) is a preferred technique in wireless communication systems.
正交频分复用（OFDM）技术是新一代无线通信系统的首选技术。
This paper is to research the effects of the RF BPF group delay characteristics on the bit error rate (BER) of the OFDM receiver.
本论文主要研究OFDM系统中的射频BPF的群时延特性对OFDM接收机误码率的影响。
Synchronization algorithm for orthogonal frequency division multiplex (OFDM) systems is discussed.
对正交频分复用（OFDM）系统的同步算法进行了研究。
