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bit error ratio相关的网络例句

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与 bit error ratio 相关的网络例句 [注:此内容来源于网络,仅供参考]

A communication system With Cooperative Communication based on Space-Time Block Coding is proposed in this paper. A closed-form expression of bit error ratio for WCC-STBC system is also derived.

摘要该文提出了一种基于空时分组编码的协同通信方案,通过理论分析得到了系统的误码率传输特性,并给出了Monte Carlo仿真结果。

In the method, a pseudo bit error ratio of a channel is determined.

在这种方法中,确定信道的伪比特误码率。

A semi-analytical calculation method of bit-error ratio and Q-factor is proposed. Numerical algorithm of WDM signal propagation in a nonlinear, dispersive fiber is carefully improved, resulting in greatly reduced computing time.

将解析模型和计算机模拟结合在一起,对用正色散传输光纤和大负色散补偿光纤的10Gb/s WDM系统,在不同的色散管理条件下光纤非线性对系统性能的影响作了较全面的分析。

Firstly, the performances of linear and nonlinear algorithms based on interference estimator/subtracter are compared. Secondly, a novel interference suppression algorithm based on subspace tracking is proposed for the tone interference model. Finally, the stability performance of the transform domain normalized least mean square adaptively implementing structure of minimum bit error ratio receiver is analyzed.

总结和比较了基于AR干扰模型的各种干扰估计抵消算法性能;从音调干扰模型出发,提出一种新的基于子空间跟踪的时域干扰抑制技术;讨论了基于低速数字干扰等效"虚拟"多用户干扰模型的最小误码率接收机的变换域归一化最小均方自适应实现结构及其稳态性能。

Using a three dimensional Markov chain, a nonsaturation throughput performance model was proposed for IEEE 802.11 Distributed Coordination Function in fading channel. The impacts of different factors, including bit error ratio, traffic loads and packet length, on the throughput of the system were analyzed using this model.

利用时间离散的三维马尔可夫链,建立了衰落信道中IEEE 802.11 DCF在非饱和状态下的吞吐量性能模型,分析了位错误率、传输负载和分组长度对系统吞吐量的影响。

In this paper, the practical WDM multi-granularity traffic switching testing network is constructed and a novel method using eye diagram to monitor optical performance in the network is proposed. The method is demonstrated in the reconfigurable WDM multi-granularity traffic switching all-optical network and it results that it can realize supervision of optical signal to noise ratio, time jittering, channel power, extinction ratio and bit error rate of optical data stream of any wavelength channel in the network. The method is transparent to signal protocol and bit rates and is able to distinguish between different optical impairments.

摘要波分复用多粒度交换可重构全光网是当前光通信网发展的方向,该文构造了一种实际试验网,提出了一种&眼图法&对网中数字光信号进行全面监控的方法,并在自建WDM多粒度交换可重构全光网试验床上进行了演示,结果显示在网络重构等各种条件下均可对网中各波长通道数字信号的信噪比、定时抖动、功率、误码率等进行实时监测控制,该方法对光信号的协议和速率透明且能对各种光性能劣化进行鉴别。

By calculating the number of hits of codewords in different situation, the mean value of cross-correlation is deduced, and the bit error ratio for two types of two-dimensional codes of QCC was simulated and compared.

通过计算不同情况下码字的碰撞次数,得出了互相关均值,并对这两种二维QCC码进行了误码率的仿真比较和理论分析。

The Bit Error Ratio of the system is analyzed with the method of pilot symbol assisted modulation. Also the simulation result of the BER is provided and shows that the simulation and the analytical result are almost the same.

通过采用导引符号辅助相干解调进行信道估计的方法,给出了二维扩频系统在单音干扰环境中的误比特率分析结果,并对理论分析进行了仿真。

The invention performs pseudo bit error rate statistic by utilizing the message of multi sampling points in each modulation symbol of discretization system, and again performs one-to-one mapping by utilizing corresponding relation between the pseudo bit error rate and the signal-to-noise ratio, thereby obtaining signal-to-noise ratio estimation value.

本发明利用了离散系统每个调制符号中多个采样点的信息进行伪误码率统计,再利用伪误码率与信噪比之间的对应关系进行一一映射,从而得到信噪比估计值。

The author briefly introduces the channel estimation methods and decision criterions of both SISO-OFDM system and MIMO-OFDM system, and gets the compared figures about performance of mean square error and bit error ratio.

作者简要介绍了传统SISO-OFDM系统和MIMO-OFDM系统信道估计的方法和判决准则,并给出了这些算法之间的均方误差和比特误码率的性能比较曲线。

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