• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>International Journal of Optics >Impact of Temperature and Relative Humidity on PMD in Directly Buried Optical Fibre Cables in Semi-Arid and Tropical Highlands in Kenya
【24h】

Impact of Temperature and Relative Humidity on PMD in Directly Buried Optical Fibre Cables in Semi-Arid and Tropical Highlands in Kenya

机译：肯尼亚半干旱和热带高地直接埋藏光纤电缆PMD对PMD的影响

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The telecommunication industry has implemented fibre deployment guidelines that reliably safeguard cable health during installation in the field. While installed fibre cables remain buried in the field, temperature and moisture in the locality subject them to mechanical expansions and corrosion. Directly buried fibre cables experience accelerated degradation that results from exposure to harsh environments. This increases pulse spreading and overlaps, with a mean time duration, known as Differential Group Delay (DGD), on the signal, as it propagates along the cable. DGD is stochastic; thus, Mean DGD is determined and presented as Polarization Mode Dispersion (PMD). This work undertook a real life assessment of how fluctuations in temperature and relative humidity influence PMD in directly buried fibre optical links, in a case study that focused on the fibre cable network owned by Liquid Telecom Kenya. The network spans across two key climatic ecosystems, namely, rift valley highlands and northern lowlands. The analysis revealed that fibre cables experience higher PMD in semi-arid areas by a factor of 2.6, compared to highland areas.
机译：电信业已实施光纤部署指南，可在现场安装期间可靠地保护电缆健康。安装的纤维电缆保持埋在现场，地区的温度和水分，使它们受到机械膨胀和腐蚀。直接掩埋光纤电缆经历加速降解，从暴露于恶劣环境。这增加了脉冲扩展和重叠，其平均持续时间，称为差分组延迟（DGD），在信号上沿电缆传播。 DGD是随机的;因此，确定平均DGD并呈现为偏振模式色散（PMD）。这项工作在直接掩埋光纤光纤链路中，对温度和相对湿度影响PMD的波动进行了真实的评估，其案例研究专注于液体电信肯尼亚所拥有的纤维电缆网络。网络跨越两个关键气候生态系统，即裂谷高地和北部低地。该分析显示，与高地地区相比，纤维电缆在半干旱地区经历了更高的PMD 2.6，比高地区域相比。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号