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- The decorrelation caused by the time and frequency synchronization errors is presented for the first time. 基于该误差模型,分析了时间和频率同步误差对干涉相位的影响,首次推导了同步误差导致的信号去相关。
- OFDMA inherits from OFDM the weakness of being sensitive to synchronization errors, especially to carrier frequency offset(CFO). OFDMA系统继承了OFDM对同步误差敏感的缺点，尤其是对载波频率偏移(CFO)。
- Because the synchronization error is independent of information signal, the power and frequency of information signal can be equivalent to that of chaotic signal. 由于同步误差与信息信号无关，从而在增大信息信号功率的同时允许其频率与混沌信号的频率相当。
- The diagram becomes locked and the Error List window indicates that a synchronization error occurred because checkout was cancelled. 关系图被锁定,“错误列表”窗口指出由于签出操作被取消而出现同步错误。
- This hotfix introduces a new registry key that prevents subsets of these files from generating this specific synchronization error. 此修补程序引入了一个新注册表项,可以防止这些文件的子集生成此特定的同步错误。
- Then, we modulate the formal parameter-modulated system.In the receiver, the information is demodulated by analyzing synchronization error . 然后,改进了一般参数调制系统,利用同步误差解调出信号,提高了系统的抗干扰能力;
- However, OFDM is sensitive to synchronization error and channel estimation error and it has the weakness of the high Peak-to-Average Power Ratio (PAPR) of the transmitted signal. 但是,OFDM不仅对于同步误差和信道估计误差非常敏感,而且还伴随发射信号高峰平比(PAPR)的缺点。
- ZHANG Youbing,CAO Yijia,CHENG Shijie.Influence of synchronization errors on OFDM based communication system for Iow voltage power lines[J].Automation of Electric Power Systems,2004,28(18):36-40. [2]张有兵;曹一家;程时杰.;低压电力线正交频分复用系统同步问题的量化研究[J]
- Simulation result reveals that in a 8-hop network consist of 81 Mica2 sensor nodes,the synchronization error of every sensor node varies from 67.70% to 91.58% of that in BTS,except for some resister nodes whose synchronization errors keep unchanged. 模拟的结果表明:在由81个Mica2节点组成的8跳网络内;除抗拒节点的同步误差保持不变外;其余节点的同步误差减小至改进前的67.;70%25~91
- This will result in the Inter Carrier Interference (ICI), and the synchronization error of the OFDM symbols will bring the Inter Symbol Interference (ISI). The channel state estimation will also be affected seriously. OFDM载波频率偏差会带来OFDM的子信道间干扰(ICI),而OFDM数据符号同步的误差将会引入数据符号间干扰(ISI),同时还会对信道估计带来严重的影响。
- Clock synchronization error of IEEE 1588 standard is theoretically analyzed.At last, concrete systemwide application strategies of IEEE 1588 standard in area power network are researched. 文章从理论上分析了IEEE 1588标准的时钟同步误差，最后从全网的角度探讨了该标准的具体应用策略。
- How to monitoring synchronizing error,and using 80196KC to control exciter. 以及同步电动机失步检测及以80196KC进行控制的方法。
- Carefulness insures you against errors. 谨慎细致可使你避免发生差错。
- code element synchronization error 码元同步误差
- It's no use grieving about past errors. 为过去的错误懊悔不已是无济于事的。
- First the average and worst Bit error rate(BER) expression of QS-CDMA system was deduced, when the synchronous error is uniformly distributed within the symmetrical area. 我们首先推导出了QS-CDMA系统同步误差在对称区间上均匀分布的平均情况和最坏情况下系统误码率(BER)的表达式。
- It is useless to muse upon past errors. 念念不忘昔日的过错是没有益处的。
- There are several errors in the input. 输入中有好几处错误。
- He has made serious errors of judgement. 他在判断上犯有严重错误。
- All our errors have sprung from carelessness. 我们的错误都是由于粗心而造成的。
