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- frequency offset compensation 频偏补偿
- Some DMMs provide a built-in offset compensation capability. 有些数字多用表(DMM)提供了内置偏移补偿功能。
- 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。
- When switching low voltages while making low resistance measurements, the thermoelectric offset voltages may be canceled by using offset compensation. 当切换低压信号并进行低电阻测量时,可通过偏移补偿的方法消除热电效应偏移电压。
- Offset compensation and remote sensing are techniques often used to eliminate errors due to the switch contact resistance. 偏移补偿和遥感是为了消除开关接触电阻引起的误差而通常采用的技术。
- In applications where timing is critical, offset compensation may not be practical, because it takes twice as long to make a measurement. 对于定时非常关键的应用,由于偏移补偿需要进行两次测量,所以偏移补偿可能不适用。
- 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。
- If possible, do not use offset compensation (pulsed current) because inductive reaction to the current pulse may cause unstable measurements or make autoranging difficult. 如果可能的话,不要使用偏置补偿(脉冲电流)。因为对脉冲电流的感抗可能会使测量不稳定,或者使自动量程功能难于工作。
- 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。
- 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。
- Offset compensation will eliminate the switch contact potential, as well as any thermoelectric voltage offsets in the entire measurement circuit. 偏移电流补偿可消除开关接触电势,以及整个测量电路中的任何热电电压偏移。
- 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。