So the symbol timing synchronization may not be exact but must be correct.
因此符号定时不一定要很精确，但一定要特别准确。
This paper chiefly studies joint symbol timing and carrier frequency synchronization.
本文主要研究载波和符号定时的联合同步。
A rapid symbol timing scheme is proposed in this paper based on noncoherent demodulation.
对于非相干解调本文提出了一种快速位同步算法。
Symbol timing recovery (Bit Synchronization) is the key technology in the digital communication.
码元定时恢复(位同步)技术是数字通信中的关键技术。
The proposed timing synchronization algorithms consist of frame synchronization and symbol timing.
本文的定时同步算法分为帧同步和符号定时两部分。
Anovel approach to implement symbol timing recovery is presented which USES a hybrid digital phase locked loop (HDPLL).
本文介绍了一种利用混合数字锁相环(HDPLL)实现码元定时恢复的新方法。
In this paper, a novel symbol timing estimation algorithm is presented which realizes symbol synchronization by using a symbol.
本文提出了一种低复杂度的符号定时估计，利用一个训练帧来实现同步。
This paper presents the implement of the all-digital symbol timing recovery using the DTTL Algorithm over 8psk demodulation system.
本文阐述了DTTL全数字符号定时恢复算法在8psk解调系统中的实现。
Traditionally, the MLE algorithm is an effective method of symbol timing estimation, but it has very high computational complexity.
传统的MLE算法虽对符号定时估计很有效，但计算复杂度较高。
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。
Traditionally, the MLE algorithm is an effective method of symbol timing estimation, but it has very low performance when there is ISI.
传统的MLE算法虽对符号定时估计很有效，但在ISI干扰情况下性能不高。
A new blind symbol timing-tracking algorithm is proposed, using the special OFDM frame structure with cyclic prefix and cyclic postfix.
利用具有循环前缀和循环后缀的OFDM帧结构，该文提出了一种新的符号定时跟踪盲估计算法。
There are two main aspects about OFDM synchronization technologies: symbol timing synchronization and carrier frequency synchronization.
OFDM系统有两个方面的同步要求，符号定时同步和载波频率同步。
This algorithm utilizes inherent correlation property of two segments of information sequence to carry out accurate symbol timing estimation.
该算法利用经过特殊处理的前后两段信息序列的内在相关性进行准确的符号定时估计。
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。
There are three kinds of synchronal modes in OFDM system: symbol timing synchronization, carrier synchronization, sampling-bell synchronization.
OFDM系统基本上有三类同步方式：符号定时同步、载波同步、采样钟同步。
A symbol timing algorithm for orthogonal frequency division multiplexing (OFDM) systems with the cyclic prefix under wireless channels is proposed.
提出了一种新的无线信道下基于循环前缀的正交频分复用系统符号定时同步算法。
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。
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。
Simulation results show that the new detector has a lower packet detect error rate and a higher symbol timing precision compared with the existing schemes.
仿真结果表明，与已有的分组检测算法相比，新方法具有更低的分组检测错误概率，同时也改善了符号精定时的精度。
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。
On the base of conventional cross correlation, the detector can complete packet detection and fine symbol timing at the same time by accumulating multi-path energy.
在改进传统互相关算法的基础上，通过累积多径能量，使得该分组检测器可以同时实现分组检测和符号精定时。
On the basis of conventional cross correlation, the detector can complete packet detection and fine symbol timing at the same time by accumulating multi-path energy.
在改进传统互相关算法的基础上，通过累积多径能量，该分组检测器可以同时实现分组检测和符号精定时。
The timing curve of this algorithm will present a spike pulse only at the right time, the resolution is greatly enhanced, so the symbol timing will be more accurate.
该算法的定时尺度曲线仅在正确定时点处出现一个尖峰，大大提高了分辨率，从而可以更加准确的进行符号同步。
A data aided symbol timing estimation algorithm was proposed for burst-mode space-time trellis coded multi-level continuous phase modulation (STTC-MCPM) systems in Rayleigh fading channels.
针对瑞利衰落信道中突发模式的空时网格编码的多电平连续相位调制(STTC - MCPM)系统，提出了一种基于数据辅助的符号定时估计算法。
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。
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。
Timing acquisition is realized in symbol and frame rate and GLRT is derived under dense multipath channel, which is unrelated to the amplitude of the channel.
利用符号或帧速率来进行同步捕获，导出了与信道振幅无关的密集多径下同步捕获的广义似然比率测试(GLRT)，来估计出现在符号位的有效信号增益。
Timing acquisition is realized in symbol and frame rate and GLRT is derived under dense multipath channel, which is unrelated to the amplitude of the channel.
利用符号或帧速率来进行同步捕获，导出了与信道振幅无关的密集多径下同步捕获的广义似然比率测试(GLRT)，来估计出现在符号位的有效信号增益。
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