用重要性抽样方法估计数字光纤通信链路的误码率_电子资料文库 关键词: 误码率估计;重要性抽样(IS);大偏差理论 [gap=918]Key words : bit error rate estimation ; IS ;large deviations theory
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系统误码率（BER）的分析显示干扰估计接收机系统的性能要优于传统的接收机系统。
The analysis of bit error rate (BER) indicates that the system with interference estimate receiver has advantage over traditional system.
本发明提高了大时延高误码率的卫 星网络上的链路带宽估计的准确性。
The invention promotes estimation accuracy for link bandwidth of large time delay high error code rate satellite network.
从理论上分析了该算法所能达到的信道估计误差下限和比特误码率下限，并提出了最优叠加导频序列的设计准则。
Theoretical results of the lower bound of the bit error rate as well as the channel estimation error of the proposed algorithm were given.
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