1) CO-OFDM
相干正交频分复用
1.
The principle and the development about CO-OFDM in RoF system are introduced simply.
介绍了光纤射频传输(Radio over Fiber,RoF)系统中相干正交频分复用(CO-OFDM)的原理和发展现状,并对主流的基于直接调制结构和上下变频结构的CO-OFDM方案进行了论述,分析比较了不同方案的优缺点。
2) All phase Orthogonal Frequency Division Multiplexing(OFDM)
全相位正交频分复用
3) OFDM
正交频分复用(OFDM)
1.
Single carrier with frequency domain equalization (SC-FDE) and orthogonal frequency division multiplexing (OFDM) are both block-wise transmission schemes based on cyclic prefix (CP).
单载波频域均衡(SC-FDE)和正交频分复用(OFDM)都是基于循环前缀(CP)的分块传输技术,具有相同的抗多径传输的能力、基本相同的系统复杂度和频谱效率,是两种主要的未来宽带无线通信物理层关键技术。
2.
The combination of MIMO and OFDM techniques is regarded as one of the best transmission methods in the future wireless broadband communication.
多天线发送多天线接收(MIMO)和正交频分复用(OFDM)两种技术的结合被认为是未来无线宽带通信最有效的传输技术之一,既可以很好的解决未来宽带无线通信系统中信道的多径衰落和带宽效率这两个最严峻的挑战,又能够提高系统容量和传输可靠性。
3.
To compensate for the performance degradation induced by phase noise,a low-complexity phase noise cancellation algorithm for OFDM systems is developed in this paper.
正交频分复用(OFDM)易受相位噪声的干扰。
4) OFDM
正交频分复用
1.
Orthogonal Frequency Division Multiplexing (OFDM ) Technology and Its Application in HF Communication;
短波通信中的正交频分复用技术分析及应用
2.
Ultra-wideband communication system based on OFDM technology;
基于正交频分复用技术的超宽带通信系统
3.
Performance analysis of OFDM system on different channels;
正交频分复用系统在不同信道下的性能分析
5) orthogonal frequency division multiplexing (OFDM)
正交频分复用(OFDM)
1.
A newmethod is proposed to reduce the peak-to-average power ratio(PAPR)of orthogonal frequency division multiplexing (OFDM)system.
提出了一种新的降低正交频分复用(OFDM)系统峰均功率比(PAPR)的方法。
2.
This paper proposes a scheme to reduce the effect of intercarrier interference in orthogonal frequency division multiplexing (OFDM) systems by adjustment of subcarrier signs based on the theory of combinatorial optimization.
基于组合优化理论,提出了一种通过调整子载波调制符号的正负来抑制正交频分复用(OFDM)系统载波间干扰(ICI)的方法。
6) orthogonal frequency division multiplexing(OFDM)
正交频分复用(OFDM)
1.
A scheme of optical millimeter(mm) wave based on orthogonal frequency division multiplexing(OFDM) generation have been proposed with theoretics and simulation in this paper.
该文提出了一个基于正交频分复用(OFDM)技术的毫米波产生方案。
补充资料：相干散射和非相干散射
再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下，源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中，存在一系列因素使散射过程成为非相干散射。主要的因素是：原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射，源函数是相当复杂的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条