1·So frequency offset must be removed prior to demodulation.
因此，解调前必须去除频率偏差。
2·Carrier frequency offset is one of the key problems in OFDM system.
载波频率偏移是OFDM系统实现的关键问题之一。
3·One of the principal disadvantage of OFDM is sensitivity to frequency offset.
OFDM的主要缺点是对载波频率偏差很敏感。
4·Also the frequency offset was estimated based on maximum likelihood (ML) principle.
然后利用最大似然原则得到频偏估计。
5·Firstly the carrier phase with frequency offset is obtained with a parallel method.
该算法利用并行方法估计有频差时的载波相位。
6·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。
7·The time synchronization and carrier frequency offset estimation can be achieved simultaneously.
该算法能够同时实现时间同步与频偏估计。
8·Time-selective Rayleigh fading of channels is caused by Doppler shift and carrier frequency offset.
接收端的高速运动或者载频的偏移，会引起信道的时间选择性衰落。
9·This paper proposes a carrier frequency offset estimation algorithm for interleaved multi-user OFDM.
提出一种针对多用户交织OFDM载频偏移估计的算法。
10·An algorithm suitable for carrier phase and frequency offset estimation in software radio is proposed.
提出一种适合软件无线电的载波相位和频差估计算法。