查询词典 bit error ratio

The experimental results show that the proposed method can obtain good performance in terms of both objective evaluation criteria such as root-mean-square error,signal-to-noise ratio,mean error and visual subjective evaluation criteria.

实验结果表明，无论是依据均方根误差、信噪比、灰度平均误差等客观评价标准，还是视觉的主观评价，所提出的融合方法都能取得较好的性能。

Using minimum mean square error criterion at receiver, the mean square error matrix submits to inverse wishart distribution at high signal to noise ratio.

当接收端使用最小均方误差准则检测时，检测后的MSE矩阵在高信噪比下服从逆wishart分布。

The results show that at close distances, the field waveform is dependent strongly on azimuth; at distance of several hundreds, the ratio of the peak error values at two azimuths may be bigger than 2; at the distance of 1 km, the mean error is less than 10% with a maximum value of 50%.

结果表明，回击电磁场随方位角的变化非常明显，在距闪电通道几百米距离，误差可达2倍；在1 km处，闪电通道的垂直假定对时域回击辐射场峰值计算的相对误差最大为50%左右，平均小于10%。

In this paper, the relation between differential driven ratio accuracy and the common normal length error of cylindrical bevel wheel has been found by experimental method, which provides a efficient way for cylindrical bevel wheel manufacturer to control the common normal length error of the wheel.

通过实验研究，寻找出差动传动比的精度与斜齿圆柱齿轮的公法线长度误差的关系，从而为斜齿圆柱齿轮的加工提供一个可以控制斜齿圆柱齿轮公发线长度误差的有效方法

Emphasis is placed on analyzing the influences of friction characteristics on hydraulic motor, dynamic coupling between gimbals, resolution ratio error and setting error of feedback measurement element on accuracy of electro-hydraulic position servo system for a certain simulation turntable.

针对具体的仿真转台电液位置伺服系统，着重分析了液压马达摩擦非线性、框架间动力学耦合、反馈测量元件的分辨率误差和安装误差对转台电液位置伺服系统精度的影响。

According to the experimental data, it can be seen that the current transformer this paper designed could work reliably. At the range of -40~70 oC, it can work steadily. Furthermore the ratio error and phase error of current transformer could satisfy the state criterion of 0.2 standard. Relative to the tradition electromagnetic current transformers the respond speed and bandwidth are increased greatly. As a result, it is hopeful that the electronic current transducer we designed is practical.

经试验验证，本课题设计的电子式电流互感器工作可靠，在-40~70 oC温度范围内均能稳定工作，而且其比差和相差都满足国标中对 0.2 级电流互感器的要求，其动态响应速度、带宽等性能明显比传统电磁式电流互感器有很大的改进，因此其有望很快进入实用化阶段。

Firstly, PLL linear model is established in order for the comparative analysis between phase step error response and phase rectangular-pulse error response under different damping ratio. The ideal PD waveform expression is figured out.

首先通过建立锁相环的线性化模型，对比分析了不同阻尼系数的相位阶跃误差响应和矩形相位误差响应，推导了理想状态下鉴相器输出的波形表达式。

Firstly, the multi-user detector that relatively integrity in theory and proximal to optimal multi-user detector is discussed and Decor elating Detector, Minimum Mean Square Error Detector, Optimal linear Detector together with the multi-capability indexes output energy, SNR, bit error rate, asymptotic efficiency, convergence etc.

本文首先对理论上及性能上接近最佳多用户检测的次最佳多用户检测进行理论研究，计算并分析了解相关检测器、最小均方误差检测器、最佳线性检测器的性能指标(输出能量、信噪比、渐近有效性、误码率以及收敛特性等)。

Matching and bit reversal based on prediction arithmetic utilizes the relativity between continuous two frames/slices. It locates error position by setting a number of featured syntax fields and predicted values. The most perfect result is that the arithmetic can correct n+1 bits error by n featured syntax fields.

基于预测的匹配翻转算法充分利用时域上前后传输单位之间头部字段的相关性，通过设置特征字段以及其预测值来确定出错范围，进行纠错，理想情况下设置n个特征字段最高可以纠正n+1个比特错误。

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。

These are places without aristocratic baggage; egalitarian places open to talent, self-improving, engaged in learning and innovation through networks that were at once competitive and cooperative.

这些地方没有贵族遗风作祟，而且对于那些有天分的人是开放的平等之地，这些人善于通过那些曾经很具有竞争力与合作精神的关系网进行自我提高以及学习创新。

Christine: You don't want to see me?

你不想见我？