英汉例句

• However OFDM and MIMO OFDM systems are very sensitive to time and frequency synchronization errors, especially the frequency synchronization error.

  但OFDM系统和MIMOOFDM系统对时间和频率同步误差很敏感，特别是频率同步误差。

• Next, minimum mean square error (MMSE) filters are applied to the received signal to recover single user signal wave thus implementing user separation and frequency synchronization at the same time.

  然后，对接收到的信号应用最小均方误差滤波恢复单用户信号波形，从而同时实现了多用户信号分离及频率同步；

• The frequency synchronization and sampling clock synchronization technique in high definition TV (HDTV) are investigated.

  研究了高清晰度数字电视(HDTV)中的频率同步及采样钟同步技术。

• In this paper, a novel frequency synchronization estimation algorithm is provided to achieve carrier frequency capture and tracking.

  文中提出了一种低复杂度的同步估计，来实现载波频率捕获和跟蹤。

• A new time and frequency synchronization method based on frequency domain correlation for an Orthogonal frequency Division Multiplexing (OFDM) system is presented.

  该文根据频域相关的原理，提出了一种新的用于无线移动信道下的正交频分复用(OFDM)系统的时频同步算法。

• In the last, this thesis mainly researched and analyzed the OFDM frequency synchronization algorithm.

  最后，本文研究和分析了OF DM频率同步算法。

• Secondly, the timing synchronization algorithm for OFDM systems and frequency synchronization algorithm were researched.

  其次对OFDM系统的定时同步算法和载波频率同步算法进行研究。

• To reduce EMI, a frequency synchronization pin allows multiple ICs from the family to self-synchronize or to synchronize to an external clock.

  为了减少EMI，一个频率同步的引脚允许此系列的多重IC实现自同步或与外部时钟同步。

• A more precise estimation method of the Zero Doppler Time has been improved, and the frequency synchronization is achieved.

  文章改进了零多普勒时间的估计方法，提高了其估计精度，从而较好地实现了频率同步。

• A timing and frequency synchronization scheme based on FH sequence is proposed for the free space optical communication Orthogonal frequency Division Multiplexing (FSO-OFDM).

  提出了一种基于FH序列的自由空间光通信多载波调制(FSO - OFDM)时间频率同步方案。

• Phase errors is introduced in echo demodulation process because of the frequency synchronization error, and then, the final focus result will be deteriorated.

  在接收端解调过程中，该频率同步误差会引入一定的相位误差，进而影响下一步的成像处理。

• A phase error model, in which the time synchronization error, frequency synchronization error and motion error are considered, reveals the sources of phase errors.

  同步以及运动误差会引入相位误差，本文中提出了相位误差模型。

• Then researched the non date assistance based algorithm:MLE frequency synchronization algorithm.

  然后研究了基于非数据辅助的MLE频率同步算法。

• This dissertation investigates the topic of time and frequency synchronization for OFDM and MIMO-OFDM systems.

  準确的时间同步和精确的频率同步是OFDM系统和MIMOOFDM系统正常工作的前提。

• But it is sensitive to synchronization error, and especially the frequency synchronization error.

  但是OFDM对同步误差十分敏感，特别是对于频率同步误差。

• A new symbol timing and carrier frequency synchronization scheme applicable to orthogonal frequency division multiplexing (OFDM) system was presented.

  针对正交频分复用(OFDM)系统提出了一种新的符号定时和载波频率同步算法。

• As one of the most crucial technique of OFDM, synchronization technique includes carrier frequency synchronization and symbol synchronization.

  同步技术是OFDM最关键的技术之一，它包括载波频率同步和符号同步。