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synchronization algorithm中文是什么意思

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  • Chapter three provides synchronization algorithms in dvb-t cofdm receiver, including symbol timing recovery, carrier frequency error estimation and sampling timing recovery . chapter four introduces some channel estimation algorithms based on interpolation in dvb-t receiver . five estimators are compared, in terms of mean-squared error both in rayleigh channel and ricean channel
    第三章首先讨论了由于载波频率偏差、符号定时偏差和采样定时偏差对ofdm系统所造成的影响和干扰,然后针对dvb-t系统的cofdm接收机方案,分别给出了符号定时同步、频率同步以及采样钟同步的实现算法,并对它们的性能进行了分析仿真。
  • Considering mmog ’ s huge scale and the fundamental limitations of network programming, such as high packet latency, limited bandwidth and packet loss, mmog network engine must provide strong network processing abilities, meanwhile a synchronization algorithm among all the hosts is necessary so as to maintain the consistency of the whole game state
    因此,mmog网络引擎必须具有极强的网络处理能力,在固有的网络延迟、不可避免的丢包以及有限的带宽资源的情况下,能够对整个游戏世界的状态在服务器和客户端之间进行同步,使玩家体验到更好的游戏效果,并实现玩家之间数据的安全传输。
  • In this paper, consulting the idea of software radio and using the three important theories of maximum mean power estimate ( mmpe ) for symbol synchronization algorithm, the kalman decision-feedback equalization ( dfe ) algorithm and the decision-feedback phase lock loop ( dfpll ) algorithm, a kind of low frequency digital demodulate scheme over high-frequency ( hf ) radio channels for 8psk signial is realized
    本文利用软件无线电的思想,提出了一种hf信道8psk信号低频采样数字化解调方案。讨论了实现该方案的三个核心算法:最大平均功率定时同步算法、判决反馈式锁相环和卡尔曼均衡器,分析它们的基本理论,并进行了性能测试。
  • Due to the multi-carrier transmission technology used in mc-cdma systems, almost all the previous synchronization algorithms in mc-cdma systems are derives from that in ofdm systems . they are suitable for ofdm systems, but they are not optimal for mc-cdma systems . the data symbols transmitted in mc-cdma systems have form of cdma signal, which is greatly different from normal binary signal
    传统的各种mc-cdma同步算法主要还是借鉴了ofdm的同步算法,本文提出采用用户扩频码作idft后在fft之前作同步,充分利用了ofdm信号中所包含的mc-cdma信号形式,它与纯粹的ofdm传输的二进制数据不同,它与pn序列具有更好的相关性。
  • Second, this dissertation implements separately a mpeg-2 video decoder and a dolby ac-3 digital audio decoder based on software mode, and gives a audio & video synchronization algorithm based on audio-clock-benchmark in mpeg-2 system decoder, whose feasibility and practicability have been proved by experimenting . it is an all-purpose algorithm, which can perform different decoder according to mpeg-1 or mpeg-2 system models, and can also be used for reference to the implementation of other multiplex stream decoders
    然后,论文实现了基于软件方式的mpeg-2标准视频及ac-3格式压缩音频的实时解码与回放,并依据mpeg-2系统解码模型实现了一种基于音频基准时钟的mpeg解码器的视音频同步算法,实验证明该算法可行、实用、通用性好,对符合mpeg-1或mpeg-2系统标准的视音频解码器均具适用性。
  • Through a lot of experiments and simulations, analyzing the uwb channel model, studying on many papers, a new synchronization algorithm based on barker code and a new channel estimation method based on music algorithm are given . the simulation results of synchronization algorithm in which uwb channel model is used are gotten, and the channel estimation algorithm is demonstrated by measurement data . anyway, both of them get good conclusions
    本文通过大量的仿真以及实测的数据分析了信道模型,在参考了大量文献的基础上给出了较为实际的同步方法和信道估计方法,并进行了大量的仿真验证,其中同步方法在结合信道模型的基础上给出了仿真结论,信道估计方法最后应用于实测数据当中,得出了较为理想的结果。
  • Through a lot of experiments and simulations, analyzing the uwb channel model, studying on many papers, a new synchronization algorithm based on barker code and a new channel estimation method based on music algorithm are given . the simulation results of synchronization algorithm in which uwb channel model is used are gotten, and the channel estimation algorithm is demonstrated by measurement data . anyway, both of them get good conclusions
    本文通过大量的仿真以及实测的数据分析了信道模型,在参考了大量文献的基础上给出了较为实际的同步方法和信道估计方法,并进行了大量的仿真验证,其中同步方法在结合信道模型的基础上给出了仿真结论,信道估计方法最后应用于实测数据当中,得出了较为理想的结果。
  • Then time domain synchronization including symbol, frequency and carrier synchronization algorithms is discussed according to the characteristics of frame structure in merged scheme . at the same time, pointed out its merit that high rate of spectrum utilized and rapid synchronization retrieved . and simulation and much improvement are done to realize the algorithms in project
    然后根据融合方案的帧结构的特点,分析和探讨了时域同步算法,包括符号同步、载波频率同步和采样同步算法原理,指出时域同步有频谱利用率高,同步恢复快等优点,并对其进行了工程可实现的改进和仿真。
  • The goal we must achieve, when designing distributed parallel file system, was analyzed also . the thesis present the logic structure of dpfs, the structure and the flush strategy of the module of directory cache and its role in the read-write operation, duplicate table's physical and logical structure, the management and synchronization algorithm of the duplicate table, and the model and the management algorithm of the module of intelligent duplicate management . also the effects that dpfs exerts to the system reliability and the read and write performance compared to ext2 were analyzed
    本文首先介绍了数据存储的发展概况与新的需求,分布式文件系统对其发展的重要影响以及设计分布式文件系统需要考虑的各种问题;然后分析了为满足分布式并行服务器的功能需求,dpfs应实现的目标;接着介绍了dpfs设计的总体逻辑结构,目录缓存管理模块的结构设计、刷新策略以及该模块在文件读写重定向中的作用,副本表的逻辑、物理结构、对其缓存的管理和同步算法的实现,以及副本智能管理的设计模型及其管理算法的设计与实现,还分析了dpfs对系统可靠性的影响以及在读写文件时与ext2文件系统性能的比较。
  • Also symbol synchronization and frequency synchronization algorithms should be proposed and realized in ofdm receiver design . this article achieves physical layer basic emulation of ieee 802.11a wlan system with matlab6.5, and makes basic researches on symbol synchronization and frequency synchronization schemes of ieee 802.11a wlan system . new algorithm is also presented and emulated in the article as well
    本文主要利用matlab6.5实现了ieee802.11awlan系统物理层基本仿真,对ieee802.11awlan系统中的符号同步估计和频率同步估计算法进行了研究,在此基础上提出了几种符号同步估计和频率同步估计新的算法思路,按照新的思路构造出了相应算法并实现了仿真。
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Last modified time:Tue, 19 Aug 2025 00:29:56 GMT

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