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- 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。
- Spectral leakage caused by synchronous error in no-synchronous sampling is an important reason, which reduces the accuracy of spectral analysis and harmonic measurement. 采样不同步产生的同步误差是造成频谱泄漏和影响谐波分析准确性、检测精度的重要原因。
- In high precision digital m easurem ent of power electrical parameters,the synchronous error is one of the main factors that cause measuring errors while sam pling period adjustment is an im portant m eans of reducing synchronous errors. 在电力参数微机高精度测量中 ,同步误差是导致测量误差的主要因素之一 ,而采样周期校正是减小同步误差的重要手段。
- The application of check valve and pilot-operated check valve to makeup circuit can effectively reduce the impact and vibration in the system and avoid accumulative synchronous error. 本文介绍将单向阀及液控单向阀运用在补油回路中,可以减小系统的冲击、振动和消除同步累积误差。
- 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。
- 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。
- Carefulness insures you against errors. 谨慎细致可使你避免发生差错。
- 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;
- It's no use grieving about past errors. 为过去的错误懊悔不已是无济于事的。
- It is useless to muse upon past errors. 念念不忘昔日的过错是没有益处的。
- 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]
- 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。
- He overlooked a spelling error on the first page. 他没有看出第一页中有个拼写错误。
