查询词典 bit error ratio

With process data of blast furnace No.1 in Tianjin Iron Plant, the parameters, Ru and Sita, of model have been optimized based on criteria of predictability, hit ratio, direction hit ratio and mean sum of square error according to each variable respectively.

以可预测率、预测命中率、趋势预测命中率及平均误差平方和为评价标准，确定了各影响因素的警戒参数Ru和滤波参数Sita的优化值范围。

Integrating trellis-coded modulation with threaded algebraic space–time block code, trellis-coded modulation space-time block code is presented, which has the advantage of full-diversity and small detection delay. Based on TCM pre-processing, the minimum distance between different codeword matrixes of the TCMST block code is maximized, so the average bit error rate of the TCMST block code is lower than that of the TAST block code at the same signal noise ratio.

TCMST分组码具有满发送分集度和检测延迟小等优点；由于采用了TCM预处理，使得不同TCMST分组码码字矩阵间的最小距离达到了最大化，因此在相同信噪比情况下，TCMST分组码具有比TAST分组码更低的平均误比特率。

Performance analysis and plenty of numerical simulation shows that the robust multiuser detector and its adaptive version have excellent performance of output signal-to-interference-plus-noise ratio, bit error rate, asymptotic multiuser efficiency and robustness even existing stronger MAI.

理论分析和仿真实验表明，即使在较强的多址干扰条件下，稳健的盲线性多用户检测及其自适应实现展示了优异的误码率、信干噪比以及渐进多用户有效性性能，对特征波形失配具有较强的稳健性，且自适应算法能快速收敛至稳态解。

Simulation results show that the proposed algorithm has a faster convergence rate and much less computational complexity, and the output bit error rate and signal-to interference-plus noise ratio performance are superier to the PASTd blind multiuser detection algorithm and close in on the singular value decomposition group blind multiuser detection algorithm.

仿真结果表明，所提算法收敛速度快，输出信干噪比和误码率性能优于PASTd盲多用户检测，逼近奇异值分解(singular value decomposition， SVD)群盲多用户检测，并保持了较低的计算复杂度。

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。

Lecturing the technical requirements and constitution of light transmitter and receiver; the theory of noise of light receiver; analytic theories of signal/noise ratio and bit error rate for digital light receiver; technique of coding and decoding of line.

讲授光发送机和光接收机的组成及其技术要求；光接收机的噪声理论；数字光接收机的信噪比和误码率分析理论；线路编解码技术。

For the problem that the suppression of co-channel interference and suppression of noise can't be balanced in signal-to-jamming and noise ratio maximization method for the linear precoding of multiuser multiple-input multiple-output downlink systems, an improved scheme that the term of noise variance is modified as a piecewise linear function is proposed, in which the balance between suppression of co-channel interference and suppression of noise can still be maintained even when the noise variance is a small value through piecewise modifying the term of noise variance, and thus the bit error rate and capacity of the systems are further improved.

针对多用户多输入多输出系统下行链路线性预编码的信干噪比最大化方法中，共信道干扰抑制和噪声抑制不能有效平衡的问题，提出将其中的噪声方差项修正为以噪声方差为变量的分段线性函数的改进方案。该方案通过对噪声方差项的分段修正，在噪声方差的值较小时依然能够保持共信道干扰抑制和噪声抑制间的平衡，从而使系统的误比特率性能和容量得到进一步提高。

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。

Given bit error rate and signal to noise ratio and other parameters.

给出了误码率和信噪比等参数。

This is the inheritance of the tribe of the children of Issachar according to their families, the cities and their villages.

19：23 这些城并属城的村庄就是以萨迦支派按着宗族所得的地业。

I've have enough of your garbage.

我听了你的废话。