误比特率

词组短语

bit error rate

与误比特率相关的网络例句 [注：此内容来源于网络，仅供参考]

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。

And the data rate is adapted to maximize the spectral efficiency subject to average bit error rate constraints.

推导出基于预测的信噪比和预测误差方差的数据速率的最优解，以此对数据速率进行调整，使得频谱效率在误比特率的约束条件下达到最大化。

First, the closed-form expressions of the receiver output signal-to-noise ratio distribution are derived and validated via simulation.

推导了存在反馈时延时，STD系统的输出信噪比分布和BPSK调制的误比特率表达式。

Performance simulation of the proposed estimator including Mean Squares Error of channel and uncoded Bit Error Rate have been taken, and the results show the estimator is efficient and very flexible.

对信道盲估计的均方误差和由此算法获得的信道的状态信息对无编码的OFDM系统进行解调的误比特率进行了仿真，结果表明提出的算法是有效的并具有很好的灵活性。

The techniques provide an improved bit error rate or equivalently, enhanced capacity for a digital mobile communications network.

该技术使误比特率得到改善，或者等效而言，增强了用于数字移动通信网络的能力。

Simulation results prove that,compared to the zero forcing method,the proposed method achieves 9 dB gains under 10-4 of average bit error rate and similar simulation conditions.

仿真实验表明，所提出的方法与迫零法相比，在相同的仿真条件下，在平均误比特率为10-4时可以获得约9 dB的性能增益。

Firstly, the Signal Noise Ratio characteristic of matched filter despread symbol and the distribution of coherent phase estimation error are derived. Secondly, the exact integration formula of BER for fading channel is presented, moreover, by using the Maclaurin series expansion of MPSK conditional Symbol Error Rate, the simplified BER approximations for BPSK and QPSK are derived over AWGN, Nakagami-m fading and Rayleigh fading channel.

首先推导了匹配滤波解扩符号的信噪比特性和相干相位估计误差的分布；然后给出了衰落信道中误比特率的精确积分式，并利用MPSK条件误符号率的麦克劳林级数形式，推导了AWGN，Nakagami-m衰落和瑞利衰落信道中BPSK，QPSK误比特率的简化逼近式。

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。

Simulation results prove that the performance of the new method is similar with the linear interpolation method at the lower velocity; while it is better than the linear interpolation method at the higher velocity and a little worse than the quadratic polynomial interpolation.

通过仿真表明，在低车速时，该算法的误比特率性与线性插值方法基本相同；而在中高车速时，该算法的误比特率性能要明显优于线性插值信道估计方法，与二次插值信道估计方法的性能基本相同。

This paper gives the Monte Carlo simulation about this project, and shows the BER curve of the theoretical and experimental consequence of this project.

利用蒙特卡罗方法对该方案进行了仿真，并给出了理论和仿真的误比特率曲线。

与误比特率相关的网络解释 [注：此内容来源于网络，仅供参考]

baud：波特

码元速率表示每秒传送的"码元"数多少,其单位是"波特"(baud). 对二进制调制来讲,基带信号的信息速率等于调制后的码元速率;对多进制调制来讲,基带信号的速率大于调制后的码元速率. 常见的传输差错指标也有二:误码率和误比特率.

BER：abbr. bit-error-rate; 误比特率

Bert：abbr. bit error rate testing; 误比特率测试

Eber：abbr. excessive bit error rate; 过高误比特率

word error probability：误字概率

误比特率 bit error rate | 误字概率 word error probability | 误句概率 sentence error probability

word error probability：误差 error 误差概率

误比特率 bit error ratio | 误差 error 误差概率 word error probability | 误差信号 error signal

bit error probability：误比特概率

bit brace 摇钻柄 | bit error probability 误比特概率 | bit error rate 误比特率

fer：误帧率

.误比特率(BER)是在数据传输过程中比特被传错的概率.误帧率(FER)是数据传输过程中帧传错的概率.误块率(BLER)传输块经过CRC校验后的错误概率

Preamble：前同步信号

仿真结果表明:两方案在误比特率(BER)方面性能改善显著,同时还有效降低了前同步信号(preamble)和信道探测信号的长度,对于提高传输速率具有重要意义. 另外,信道编码方式也需要深入研究. 采用信道编码直接降低了有效通信速率,

layout for storekeeping：仓储布局

残余误比特率、剩余比特差错率 Residual Bit Error Ratio | 仓储布局 layout for storekeeping | 仓储部 Warehousing Dept.