• The measurements of optical-waveguide mode and propagation loss indicate that the film is of good optical waveguide properties with low loss.

    表面粗糙度很小。波导模式和光损耗测量表明具有较低损耗。

    dict.cnki.net

  • The propagation loss in the waveguide of this device is about 7 dB/cm. The factors causing the crosstalk and the loss in this device were analyzed.

    文中最后分析导致器件损耗的各因素,并提出了可能改进方法。

    210.72.9.40

  • The dispersion and propagation loss can be reduced significantly by properly choosing the thicknesses of the two magnetic films and separation layer.

    分析两个磁性间隔厚度静磁后向体波色散传播损耗的影响。

    www.dictall.com

  • The results show that reflection from rough sea surface is an important factor in calculating propagation loss over rough sea and a knife-edge in the presence of rough sea surface.

    结果表明来自粗糙海面反射计算雷达波沿粗糙海面传播损耗形峰雷达波衍射损耗不可忽视的重要因素

    kkdict.com

  • The principles of the common methods to measurement the propagation loss of the NLO polymer film optical waveguide are summarized, and the typical experimental arrangements are presented.

    文章综述测量非线性光学(nlo)聚合物薄膜材料波导传输损耗三种新方法原理,分别给出了典型实验装置结构图,并对它们的特点进行了比较。

    www.dictall.com

  • In the paper, the method of test about OE-PCB was reviewed. Including mainly Refractive Index, Optical Propagation Loss, Surface Roughness, Eye Pattern, Bite Error Rate test and Environment Impact.

    文章介绍了印制-电路板测试方法主要包括光波导的折射率测试、光传输损失测试、表面粗糙度测试、测试、误码率测试、环境测试。

    dict.cnki.net

  • Propagation model for bent planar waveguides is presented for calculating bent loss in planar waveguides.

    为了数值求解平面波导弯曲损耗,首先给出了平面弯曲光波导的传输模型

    210.72.9.40

  • Based on the mechanism of radio propagation, this paper builds an RFID signal loss model and calculates a safe working distance at which readers could operate simultaneously.

    根据无线电波传输机制建立RFID系统信号损失模型推导出多读写器能够同时工作安全距离

    www.dictall.com

  • Four propagation models of diffraction, line-of-sight, scatting and duct are analyzed. The basic transmission loss for each of the models is calculated according to the ITU-R model and GZB model.

    分析了电波地波绕射传播视距传播散射传播波导传播等四种传播模式根据ITU - R和GZB建议模型分别计算了传播模式基本传输损耗

    dict.cnki.net

  • Propagation of high intensity laser beams through long air paths suffering from energy loss and beam quality deterioration was experimentally demonstrated.

    研究激光长程空气传输过程中主光束能量损耗光束质量退化效应

    www.opticsjournal.net

  • Due to the propagation mode mismatch of the two structures, optical loss becomes inevitable.

    不过由于两种结构模式匹配问题,传播损耗在所难免。

    dx.doi.org

  • The model of EDFA that has been made is modified by considering the base loss of erbium-doped fiber and ase. The rate equations and propagation equations that have been modified are given.

    本文所建立EDFA理论模型考虑ASE光纤的本征衰耗,修改速率方程传输方程。

    dict.cnki.net

  • The propagation delay of cells, especially the nonlinear large-lag of communication may create congestion and loss of data in rate-based flow control in networks.

    基于速率反馈网络流量控制系统中,信元在网络中的传播时延特别是网络流量控制中的非线性大滞后,带来极大网络拥塞数据丢失

    dict.cnki.net

  • The comparison is in term of fiber required, average propagation delay, transmission loss, max bit rate, fault tolerance among four type topologies included bus, star, ring and dual ring.

    针对总线形、星形环形双环形光纤网络拓扑比较它们光纤需求长度平均传播延迟传输衰减最大比特容错

    www.opticsjournal.net

  • This paper presents a three-dimensional propagation model for path-loss prediction in an urban microcell, based on ray-tracing techniques.

    基于射线跟踪的微变网络方法和波前重建思路 ,提出适用于三维复杂介质地震波走时的快速算法。

    www.dictall.com

  • This paper presents a three-dimensional propagation model for path-loss prediction in an urban microcell, based on ray-tracing techniques.

    基于射线跟踪的微变网络方法和波前重建思路 ,提出适用于三维复杂介质地震波走时的快速算法。

    www.dictall.com

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