误码率

A scheme was presented to transmit 272 signals between time of flight counter electronics and trigger electronics in Beijing Spectrometer Ⅲ, using the chipset of serializer/deserializer and optical transceiver, achieving reliable long-distance transmission with only minute error rate.

在北京谱仪改造中，提出了使用并串／串并转换的方式通过光纤传输272路飞行时间计数器电子学信号给触发系统的方案，实现了误码率极小的可靠性长距离传输，并且验证了光纤传输在高密度信号远距离传输中的传输可靠性。

In recent years, people adopt multi- kind measures to counteract eclipse and multi pathway, such as kinds of coding technique, mistake control technique, modulate and demodulate technique, equipoise and expand frequency technique, and these measures effectively boost up the communications ability of the HF communicate system, and lowered the mistake code rate effectively.

近年来，人们更是采用了各种有效的抗衰落和抗多径的措施，如各种编码技术，差错控制技术，调制解调技术，均衡以及扩频技术，这些措施有效的增强了短波信道的通信能力，降低了误码率。

The semiconductor optical amplifier- cross gained modulation wavelength converter in the core node is used to transfer the payload from the old label to the new label to achieve the label erasion and insertion.

基于此光标记系统，研究Mach-Zehnder调制器的消光比、半导体光放大器的偏置电流、接收模块的输入功率、泵浦光功率、探测光功率对误码率的影响，以及转换波长与转换效率的关系。

Use Matlab to write the OFDM process, which includes part of channel estimation, but also has bit error rate curve.

详细说明：用Matlab来写的OFDM程序，其中包含信道估计的部分，也有误码率的曲线。

The channel estimation error and BER performances of different algorithm under different environments are compared.

比较了不同环境下信道估计的误差和各种算法的误码率性能。

Error-control coding technology is very important to reduce error probability and improve dependability in satellite communication.

在卫星通讯中，差错控制编码技术对降低误码率、提高通信的可靠性具有非常重要的作用。

Its error probability is derived and compared by simulations with the conventional and decorrelating detectors.

我们推导了这种线性检测器的误码率性能，并通过仿真将它与传统检测器以及解相关检测器进行比较。

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。

A closed-form expression for symbol error probability of the proposed RC-SRAKE is derived in term of the combined fingers and impulse noise.

给出了RC-SRAKE误码率的表达式，分析了Finger数目和信道噪声对RC-SRAKE性能的影响。

For satellite channel has higher BER than that of fabre optic, so a code scheme to reduce the cell loss probability for any services which require low CLP and two hybrid error control schemes to control data serivce errors are studied and analysed, their advantages and disadvantages、application environment are given.

由于卫星信道误码率比地面光纤信道要高一些，为满足用户要求，研究了对信元丢失概率要求高的一类业务还必须采取的一些额外的措施，这包括采用降低信元丢失概率的编码和采用差错控制。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。