...步; 载波频偏 [gap=929]Key words: MIMO; OFDM; distributed antennas; frequency synchronization; carrier frequency offsets ...
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本文提出的优化算法与架构能够在很短的时间内完成5ms帧定时同步、载波频偏(Carrier Frequency Offset,CFO)检测和物理层小区组内标识的识别,并且具有较好的抗频偏与抗加性高斯白噪声(AWGN)的能力。
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Effects caused by carrier frequency offset over successive OFDM symbols are investigated in this subject.
在本专题中，我们研究了载波频偏对连续OFDM符号的影响。
参考来源 - OFDMBut because of the sensitivity to the carrier frequency-offset, very small frequency offset will destroy the performance of the OFDM system,badly.
但是，OFDM对载波频偏非常敏感，很小的载波频偏都会严重影响OFDM系统性能。
参考来源 - OFDM水声通信中的频率同步与信道估计The uncertainty of pseudo-code phase and carrier frequency shift are extremely important for GPS signal acquisition in the weak signal environment.
伪码相位及载波频偏不确定度是制约微弱信号环境下信号捕获性能的重要因素。
参考来源 - 辅助型GPS定位系统关键技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
新算法可实现的最大载波频偏获取范围是整个信号带宽的一半。
The maximum acquisition range can be up to one half of overall signal bandwidth.
研究表明，新算法的性能基本不受载波频偏的影响，且具有很强的抗噪特性。
The study shows that the new algorithm is not affected by carrier frequency offset basically, and has strong characteristic of resisting noise.
本文还研究了参数统计方法在估计通信信号的载波频偏和码元速率中的应用。
This dissertation also does research on the application in estimation of communication signals' carrier offset and symbol rate with the parametric statistical method.
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