本文主要分析在光缆实际接续中引起光纤接头损耗过大的原因和处理方法,以及对整个中继段损耗的影响。
This paper mainly analyses the causes of exceeding fiber splice loss, describes the processing method for it and it's affection to relay section losses.
利用神经网络的误差反向传播算法(BP算法),结合告警、天气和工程设计几方面的数据资料建立了微波中继段告警分析预测模型。
By means of BP (error back propagation) artificial nerve network, with data from alarm, weather and engineering documents, microwave hop performance analysis and forecast model is established.
1870年一个名叫CharlesTodd的人在这里建立了一个加入澳大利亚的第一大段陆上的两条电报线的中继站。
In 1870 a man named Charles Todd built a repeater station here, to join two massive segments of Australia's first overland telegraph line.
针对济南市引黄供水穿黄顶管的复杂工况,详细介绍了以二段无铰式工具管为头部的顶管施工工艺及中继环、泥浆减阻等先进技术的使用。
According to the complication of pipe-jacking crossing the Yellow River some techniques such as twin-pipe joined without hinging, relay ring, slurry damper are applied.
真武大帝返回山中继续修炼,经过此处时折下一段梅枝插在榔树上,说:“吾若道成,花开结果。”
Zhenwu Tati to continue practicing in the mountains, after folding under here when inserted in a Meizhi of tree, said: "If I Road% bloom results."
真武大帝返回山中继续修炼,经过此处时折下一段梅枝插在榔树上,说:“吾若道成,花开结果。”
Zhenwu Tati to continue practicing in the mountains, after folding under here when inserted in a Meizhi of tree, said: "If I Road% bloom results."
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