Performance Enhancement in Distributed Fiber Sensing by Noise Reduction
通过降噪增强分布式光纤传感的性能
基本信息
- 批准号:444026958
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2020
- 资助国家:德国
- 起止时间:2019-12-31 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
As a key enabling factor for Industry 4.0 and smart city, the Internet of things (IoT) is forecasted to have a market over $ 7,000 billion and connect nearly 30 billion devices by 2020. Sensors account for a large number of the connected devices and act as a fundamental pillar of IoT. Optical fiber sensing has been a driving force for the IoT, mainly due to the unique properties of the optical fiber, i.e. being small size, chemically inert, and immune to electromagnetic interference. Furthermore, distributed fiber sensors (DFSs) offer economic solutions due to their low-cost per sensing points. The performance of DFS is defined by the signal-to-noise ratio (SNR) of the sensing system. Current research focuses on signal enhancement to improve the SNR. The reported methods often need costly and power-consuming equipment. Furthermore, the progress of the SNR improvement seems to be insufficient for the fast development and deployment of IoT. The limited sensing distance of current DFSs (usually < 100 km) without inline amplification, is far from enough, compared with the 1,222 km pipeline length under the Baltic Sea between Germany and Russia (North Stream 2 project) or the 500,000 km gas network just in Germany. To answer to the need for excellent distributed sensing performance particularly over long distances, the proposal ambitions to significantly enhance the SNR from the other direction—by reducing noise. By a fundamental understanding of the origin of different noise sources in distributed sensing, the main objective of the proposal is to investigate different methods to reduce the noise and to enhance the performance of the sensors. If the aim is achieved, the SNR can be enhanced by at least four orders of magnitude in a more cost-effective and energy efficient way, doubling the performance of the state-of-the-art sensors.
作为工业4.0和智慧城市的关键推动因素,物联网(IoT)预计到2020年市场规模将超过7万亿美元,连接近300亿台设备。传感器在连接的设备中占很大比例,是物联网的基本支柱。光纤传感一直是物联网的驱动力,主要是因为光纤的独特性质,即小尺寸、化学惰性和不受电磁干扰。此外,分布式光纤传感器(DFS)由于其每个感测点的低成本而提供了经济的解决方案。DFS的性能由传感系统的信噪比(SNR)来定义。目前的研究主要集中在信号增强以提高信噪比上。报道的方法通常需要昂贵和耗电的设备。此外,对于物联网的快速发展和部署,信噪比改善的进展似乎还不够。与德国和俄罗斯之间1222公里的波罗的海海底管道(北溪2号项目)或德国50万公里的天然气网络相比,目前没有在线放大的DFS的有限传感距离(通常为100公里)是远远不够的。为了满足对出色的分布式传感性能的需求,特别是在远距离,该提案雄心勃勃地从另一个方向显著提高信噪比-通过减少噪声。通过对分布式传感中不同噪声源来源的基本了解,本方案的主要目的是研究不同的方法来降低噪声和提高传感器的性能。如果达到这一目标,信噪比可以以更具成本效益和能源效率的方式提高至少四个数量级,使最先进的传感器的性能翻一番。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr. Thomas Schneider其他文献
Professor Dr. Thomas Schneider的其他文献
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{{ truncateString('Professor Dr. Thomas Schneider', 18)}}的其他基金
Engineering the properties of nonlinear optical effects for the improvement of distributed fiber sensors
设计非线性光学效应的特性以改进分布式光纤传感器
- 批准号:
276858257 - 财政年份:2015
- 资助金额:
-- - 项目类别:
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Untersuchung von Verfahren zur Speicherung optischer Datenpakete
光数据包存储方法的研究
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105225440 - 财政年份:2008
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Charakterisierung der Tropheryma whipplei spezifischen zellulären Immunantwort von Morbus Whipple Patienten und Kontrollgruppen
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5444748 - 财政年份:2005
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SIV-Infektion der Mukosa: Charakterisierung der Migration von CD4+ T-Zellen und mukosale T-Zellantwort gegen attenuiertes Poliovirus (Impfvirus)
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- 批准号:
5350316 - 财政年份:2001
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Measurement of ultra-high bandwidth signals with integrated devices
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454954953 - 财政年份:
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