A comparison of the bit error rates ( BERs) between two cases where the distributed FPS is absent and present along the fiber is carried out by simulation. 通过对光纤链路中有无分布式快速扰偏器两种情况的仿真,对比两种情况下的误码率特性。
Asymptotic Properties of Weight-α Bers 'space QA  ̄α(Ω) on Hyperbolic Regions 双曲型区域上带权Bers空间QA ̄α(Ω)的渐近性质
In this paper, we apply Importance Sampling ( IS) technique to estimate the BERs of digital fiber optic communication links. 本文使用重要性抽样(IS)方法,对数字光纤通信链路的误码率参量进行了估计。
Its success largely depends on the establishment of a sound managerial system, including enterprise culture, organization structure and high quality of staff mem-bers. 而顾客抱怨管理工作能否取得成效,还有赖于企业建立健全的顾客抱怨管理体系,包括良好的企业文化、组织结构和高素质的员工队伍建设等基础工作。
We should enhance the Party nature cultivation and increase the Party mem-bers 'diathesis and keep the advanced nature of the Party from the methods and the paths of studying, self-exam-ination, forging and practice. 要从加强党的意识修养等若干方面,通过学习,自省,锻炼,实践等方法和途径,加强党性修养,提高党员素质,保持党的先进性。
Experimental results show that this kind of IS simulation method based on LDT has very high efficiency, accuracy and reliability. Especially, it is adapted to estimating very low Bit Error Rates ( BERs) of communication links. 计算机模拟实验表明,这种基于LDT技术的IS方法具有很高的精确度和计算效率以及充分的可靠性,特别适合于极低误码率的估计。
In this paper the strength, rigidity, ductility and energy dissipation ca-pacity of columns of reinforced concrete frames consisting of precast mem-bers assembled by vertical post-tensioning under low frequency cyclic lood-ing are investigated. 本文对竖向预应力装配钢筋框架柱在低周反复荷载作用下的强度、刚度、延性和耗能能力进行了研究。
Practical examples of waterproof sealing of inclined shaft stations, signal cham-bers and power substation chambers are described in the last part of the article. 文章还介绍了矿渣木素用于矿山斜井车场、信号硐室和变电硐室堵水防渗工程实例。
Objective To investigate the knowledge and behavior about hypertension among hospital staff mem-bers in Shanghai. 目的了解医院工作人员对高血压的知识掌握情况和高血压行为危险因素的自我约束能力。