OFDM synchronization algorithm based on chaotic sequence is researched.
本文着重研究基于混沌序列的OFDM同步算法。
This dissertation focused on code-aided carrier synchronization algorithm.
本文的研究重点在于码辅助载波同步算法。
The algorithm can therefore be considered as an efficient carrier synchronization algorithm.
可以认为该算法是一种高效的载波同步算法。
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。
The timing synchronization algorithm of training symbols for the OFDM systems is an old timing algorithm.
OFDM系统的训练符号定时同步算法是一种传统的定时算法。
Then the time synchronization algorithm based on energy-efficient and hierarchical dynamic clustering is presented.
基于此,本文提出了一种能量有效的多层动态分簇时间同步算法。
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。
In addition, a synchronization algorithm and a message merge operation are adopted, which prevent message loss and duplication.
此外协议采用同步算法和消息合并操作防止了消息丢失和重复。
Compares with the fixed cyclical time synchronization algorithm, this algorithm can reduce the expenses of synchronous protocol.
与固定周期的时间同步算法相比,该算法能够减少同步协议的开销。
Study shows the simplified implementation scheme is applicable in hardware implementation of MIMO-OFDM system timing synchronization algorithm.
研究表明,简化实现方案可以用于MIMO - OFDM系统定时同步算法的硬件实现。
The synchronization algorithm based on the cyclic prefix is simple to achieve, and has a high-precision, but it is still a semi-blind synchronization.
基于循环前缀的同步算法实现简单,精度较高,但其仍然是一种半盲同步。
This paper presents a fine carrier synchronization algorithm based on the similarities of the guard interval for Time-domain synchronous OFDM (TDS-OFDM) systems.
该文提出了一种适用于时域正交频分复用数字传输(TDS - OFDM)系统的基于保护间隔相似特性的高精度载波细同步算法。
The experimental results show that the synchronization algorithm has good performance and energy efficiency when the interested nodes number and events frequency are low.
实验结果表明,在兴趣节点数量较少和事件发生频率较低的情况下该算法具有良好的同步效果和节能性。
To work coordinately in a distributed network system, a synchronization algorithm must be introduced to assure mutual exclusive access and operation on the critical resource.
在分布式网络系统中,为了实现系统协调一致的工作,必须要有相应的同步互斥算法来保证临界资源的互斥访问和操作。
For the frame synchronization algorithm, the design standard of synchronization sequence is given, and a synchronization sequence required by actual systems is also designed.
针对帧同步算法,给出了帧同步码的设计标准,设计了一种满足实际系统要求的帧同步序列。
The problem above can be resolved by the blind synchronization algorithm. The theoretic analysis and experimental results show that the approach can work well on the lower S…
理论分析及计算机仿真结果表明,该算法在低信噪比条件下可实现DS/SS信号的盲同步及PN码序列的精确估计。
A kind of offline clock synchronization algorithm is promoted based on the character of clock behavior and the cause and pattern of inaccuracy, with performance analysis provided.
通过研究普通时钟行为特点,分析时钟误差产生的原因和规律,提出了一种离线时钟同步算法,并对其性能进行了分析。
In addition, OFDM systems are very sensitive to the effect of timing error, to obtain a better channel estimation performance, the choice of synchronization algorithm is important.
此外,由于OFDM系统易受同步误差的影响,为了获得较好的信道估计性能,同步算法的选择对进行正确的信道估计也尤为重要。
The problem above can be resolved by the blind synchronization algorithm. The theoretic analysis and experimental results show that the approach can work well on the lower S/N ratio input signals.
理论分析及计算机仿真结果表明,该算法在低信噪比条件下可实现DS/SS信号的盲同步及PN码序列的精确估计。
Secondly, a novel downlink acquisition and synchronization algorithm for IEEE 802.20 OFDMA system is proposed. The algorithm is composed of downlink frame detection and sector PN code identification.
其次,本文提出一种针对IEEE 802.20 OFDMA工作模式的下行捕获和同步算法,该算法分为下行帧头检测和扇区标识值识别两个步骤。
It is shown theoretically and experimentally that the time series synchronization algorithm introduced is able to acquire satisfactory accuracy for the application of wireless damage detection system.
经过理论分析及多次实验证明,采用该方法的同步精确度符合无线结构健康监测系统对时间同步精度要求。
Synchronization algorithm can be divided into two main categories: the existing open-loop algorithm and the traditional closed-loop algorithm.
同步算法主要可以分为两大类:现行的开环算法和传统的闭环算法。
Synchronization algorithm can be divided into two main categories: the existing open-loop algorithm and the traditional closed-loop algorithm.
同步算法主要可以分为两大类:现行的开环算法和传统的闭环算法。
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