cyclic prefix

基本解释

A symbol timing algorithm for orthogonal frequency division multiplexing(OFDM) systems with the cyclic prefix under wireless channels is proposed.
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。
If the length of its cyclic prefix is larger than the delay spread of transmission channel, we can get a simple frequency equalizer to demodulate OFDM signal.
对于传统的OFDM系统来说，如果循环前缀的长度大于信道的时延扩散值，则可以通过简单的频域均衡来解调OFDM信号。
Tail cancellation and cyclic reconstruction are applied in SFBC-OFDM system to eliminate the bandwidth loss of space-frequency coding due to the cyclic prefix.
将尾抵消和循环重建应用于空频编码的正交频分复用（SFBC-OFDM）系统中，为了消除循环前缀对空频编码带宽损失的影响，使用了迭代算法来校正接收到的信号。

循环前缀
In this paper,an algorithm is proposed for blind detection and parameter estimation of OFDM signals based on Cyclic Prefix.
提出了一种基于循环前缀的OFDM盲检测及参数估计算法。
机械工程
循环前缀
In this paper, the effect of frequency offset on the performance of OFDM system is analyzed. A method is given for compensating the phase shift induced by the frequency shift using cyclic prefix.
本文分析了频率偏移对OFDM 系统性能的影响,提出了利用循环前缀补偿频率偏移引起的相位偏移方法来克服频偏的影响。