• Finally, based on the recovered single user training signal, each user 'timing offset can be estimated.

    最后,基于恢复的单用户训练信号对每个用户的时间偏移进行估计。

    youdao

  • The influences of timing offset and carrier phase offset on the performances of MPAM and MQAM are analyzed.

    文中分析了同步偏差即定时偏差和载波恢复相差对MPAM和MQAM接收性能的影响。

    youdao

  • A new method to estimate the FFT block timing offset in the MCCDMA system is proposed. Consecutive training sequences are used to acquire the initial time synchronization.

    提出了一种估计MC CDMA系统FFT起始时间偏差的新方法,采用连续训练序列来获得最初时间同步。

    youdao

  • Various existing synchronization algorithm to estimate symbol timing offset and carrier frequency offset can be classified into blind and pilot-aided methods and algorithm based on cyclic prefix.

    目前,估计载波频率偏差和符号定时偏差的算法主要有数据辅助的方法和非数据辅助的方法以及基于循环前缀的算法。

    youdao

  • Timing offset causes inter-symbol interference, and frequency offset would destroy the orthogonality between subcarriers, causing ICI, which lead to a sharp decline in overall system performance.

    定时偏差会导致码间干扰,频率偏差会破坏子载波间的正交性,引起子载波间干扰,从而使系统整体性能急剧下降。

    youdao

  • The most critical causes yielding the ISI as well as ICI are symbol timing and carrier frequency offset which are occurred in the OFDM receiver.

    而产生ISI和ICI的主要原因是在OFDM系统接收端产生的符号定时偏差和载波频率偏差。

    youdao

  • 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。

    youdao

  • The synchronization techniques for burst packet transmission mode OFDM systems is studied, including timing, frequency offset estimation and channel estimation.

    本文主要研究适用于突发OFDM传输系统的同步技术,包括定时、频偏估计和信道估计。

    youdao

  • A joint blind estimation method based on spectrum overlap for uplink interleaved orthogonal frequency division multiple access carrier frequency offset and timing synchronization is proposed.

    提出了一种基于功率谱叠加的交织正交频分多址系统上行链路载波频偏和定时同步联合估计算法。

    youdao

  • However, OFDM is sensitive to timing and frequency offset, so how to overcome this limitation is one of the main directions of the research on OFDM.

    但OFDM技术对定时和频率偏移敏感,如何克服这个缺点是OFDM技术研究的主要方向之一。

    youdao

  • The estimation of the coarse frequency offset and timing is one of the key technology in the uplink multiuser OFDM system.

    上行链路中的粗频偏及定时估计是多用户OFDM系统的关键技术之一。

    youdao

  • Estimating and compensating carrier frequency offset are to achieve carrier frequency synchronization. Estimating symbol rate and correcting timing error are used to synchronize symbol.

    估计并补偿频偏是为了实现载波同步,估计符号率和校正定时误差是为了实现码元同步。

    youdao

  • This paper investigated the timing and frequency offset estimation algorithm of OFDM burst transmission systems.

    本文研究OFDM分组传输系统的符号同步与频偏估计算法。

    youdao

  • Then influences of frequency offset and observation interval on symbol timing recovery system under this circumstance were studied.

    针对这一特点,研究了加入卡尔曼滤波后频偏及观测时间长度对定时系统性能的影响。

    youdao

  • OFDM system performance is more sensitive to frequency offset and timing error than single-carrier systems.

    OFDM系统中频偏和定时误差的存在,对系统性能有很大的影响。

    youdao

  • We describe the synchronization technique in several keys including symbol timing, carrier frequency offset estimation and sampling clock offset estimation.

    符号定时同步技术,载波频率同步技术和采样钟同步技术等几个方面。

    youdao

  • Symbol timing and carrier frequency offset will significantly degrade the performance of OFDM(Orthogonal Frequency Division Multiplexing)receiver.

    符号、载波偏移严重影响着正交频分复用(OFDM)接收系统的性能。

    youdao

  • The orthogonal multicarrier modulation, which is the main character of OFDM, determines that it is very sensitive to both timing synchronization error and carrier frequency offset.

    OFDM系统自身的正交多载波调制特点,决定了其对定时误差和载波频率偏差十分敏感。

    youdao

  • Finally, Barro assumes that higher spending in 2009-2010 will have to be offset by higher taxes later, claiming that "the timing of future taxes does not matter."

    最后,巴罗假设2009-10年的高支出会导致随后的税收增加,宣称:“未来的征税时机没什么大不了。”

    youdao

  • Finally, Barro assumes that higher spending in 2009-2010 will have to be offset by higher taxes later, claiming that "the timing of future taxes does not matter."

    最后,巴罗假设2009-10年的高支出会导致随后的税收增加,宣称:“未来的征税时机没什么大不了。”

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定