A new kind of optical waveguide and its application in optical attenuator 一种新型光波导及其在光衰耗器中的应用
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Standard test method for measuring load induced subsidence of an intervertebral body fusion device under static axial compression 测量在静态轴向压缩下椎间体融接器件的负载引发衰耗的标准试验方法
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Yang qixun . distribution automation and its realization in china [ j ] , ieee international conference on electricity distribution , shanghai , 2000 焦邵华,刘万顺等.配电网线路故障时的载波通道衰耗分析[ j ] .电力系统自动化, 2000 ( 9 )
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It point out the resolving methods of the high frequency communication characteristic and its attenuation of the distribution network are the new research field 指出电网的高频通信特性及其抗干扰、抗衰耗对策是独立于高性能载波芯片的研究领域。
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In other way , the telephone line expander which has many characteristics just as the little of declination , the far distance of communication , the convenience of using and protecting can transmit tone signal directly and is suitable for the performance of telephone line 同时，电话线路扩容器直接传输音频信号，适合电话线路特性，具备衰耗及串音小，通话质量好和通信距离远，使用及维护简便等优点，具有广泛的应用前景和使用价值。
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The paper demonstrates the whole plan of the propagation model application software . with the delphi software , an application software including the function of the realtime calculating path loss value is compiled completely . the paper analyses the planning theory of the td - scdma network . its main aspects include the backbone of the network , the link budget report , the budget of the effective distance , the analyse of the link interference and the analyse of the system capacity 论证了td - scdma传播模型应用软件整体方案，利用delphi软件编写了具有校正功能和实时计算传播衰耗值功能(与gps系统配合)的应用软件。论文从理论的角度分析了td - scdma网络的规划理论，主要从网络拓扑结构、上下行链路功率平衡预算报告、有效通信距离的估算、上下形链路干扰的分析和系统最大容量分析五个方面进行了论述。
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This paper describes the definition of “ return wave attenuation ” and “ reflect attenuation ” , introduces theoretically the meaning of “ return wave attenuation ” on view point of power , points out the difference between “ reflect attenuation ” and “ return wave attenuation ” and demonstrates the test connection used as “ return wave attenuation ” measurement before being really “ reflect attenuation ” measurement 论述了“反射衰耗”与“回波衰耗”的定义，从理论上推导出“回波衰耗”在功率角度上的含义，阐明了“反射衰耗”与“回波衰耗”之间的区别，也论证了历来作为“回波衰耗”测试的试验接线实际是“反射衰耗”测试的试验接线。
