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- fractional frequency offset 分数频率补偿
- fraction frequency offset 小数倍频率偏移
- Carrier frequency offset is one of the key problems in OFDM system. 摘要载波频率偏移是OFDM系统实现的关键问题之一。
- The results indicate that frequency offset can be obtained robustly. 海量实验数据证明,对应的数据是鲁棒的。
- Fractional part of Frequency Offset 小数倍频偏
- In this paper, a solution to fractional frequency dividing frequency synthesizer is introduced. 文中介绍了一种小数分频频率合成器的设计方案。
- The analyzer is successfully used in the dyna mic simulative tests of fractional frequency transmission system and the tripler test and study. 该测试系统已成功地用于分频输电系统的动态模拟试验及三倍频变压器的试验研究。
- The simulation for QPSK shows that the algorithm can estimate the carrier phase and frequency offset accurately and reduce the system BER effectively. 结果表明,用该算法可以精确估计载波相位和频差,有效地降低系统的误码率。
- The ways of estimating the frequency offset and Doppler spread width in WCDMA system are studied in this paper. 本文主要研究了WCDMA(宽带码分多址)系统中频偏和最大多普勒频偏的估计方法。
- The paper proposed a nonlinear excitation controller coordinated with the compensative capacitor of the Frequency Tripler for Fractional Frequency Tr ansmission System (FFTS). 该文针对分频输电系统非线性的特点,基于直接大范围线性化的方法,提出了分频输电系统中励磁和倍频变压器原边并联补偿电容协调非线性控制器的设计方法。
- It has previously been shown that PCC substantially reduces the sensitivity of OFDM to carrier frequency offset. PCC能够显著地降低OFDM对载波频偏的敏感性。
- A novel scheme of estimating the carrier frequency offset in CDMA system with the continuous pilot channel is proposed. 摘要本文针对存在载频频偏的CDMA系统,提出了一种新的估计该固有频偏的方法。
- A new frequency offset and channel estimation joint algorithm for OFDM system is proposed. 摘要针对正交频分复用系统提出一种新的频偏与信道联合估计的算法。
- Based on the fixed sampling interval technique, an improved phasor computing algorithm is proposed to correct the errors caused by DFT in the presence of frequency offset. 推导出一种在定间隔采样基础上能够有效消除非额定频率下离散傅里叶变换(DFT)算法产生的频率泄漏影响的相量校正算法。
- Then the phase trajectory is estimated based on MMSE criterion, and the frequency offset and initial phase can be achieved. 在此基础上,基于MMSE准则计算载波相位的轨迹,得到频差和初始相位。
- OFDMA inherits from OFDM the weakness of being sensitive to synchronization errors, especially to carrier frequency offset(CFO). OFDMA系统继承了OFDM对同步误差敏感的缺点,尤其是对载波频率偏移(CFO)。
- In this thesis, a joint symbol timing and carrier frequency offset estimator is proposed for orthogonal frequency division multiplexing (OFDM) systems. 中文摘要本论文里,我们提出了一个应用在正交分频多工系统中的符元时间与载波频率误差估测器。
- By mitigation with the aid of time-frequency interleaving, we develop effective frequency offset estimation under interference in this thesis. 这篇论文,主要是在利用时频交错的协助,发展出在干扰环境下有效的频率偏估测方法。
- If the frequency offset is large enough, the traditional PLL cannot be locked.Such situation would lead to the system corruption. 当频差较大时,接收端用于载波恢复的锁相环路无法锁定,导致系统不能正常工作。
- fractional frequency transmission system 分频输电系统