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传统铁路道口的安全防护措施因其低效性和高昂的成本,以及潜在的安全隐患,已经无法满足当前的发展需求。为应对这一挑战,提出一种创新性的铁路道口无线通信智能集控预警系统,旨在确保铁路道口工作人员和交通参与者的生命财产安全。结合远距离LoRa无线射频通信技术、基于OpenMV的车辆与行人目标识别技术,计算机联锁技术等设计一款低功耗、易部署的无人值守的铁路道口远程集中管理系统,从而提升铁路运营效率,并增强铁路运输的安全保障水平。 相似文献
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Pollution of soil environment has become a se-rious problem in many countries, including China.Heavy metal (HM) and polycyclic aromatic hydro-carbons (PAHs) are two of the most abundant andpotentially harmful pollutants found in most pol-luted soil[1, 2]. Besides their natural occurrence,heavy metals may enter the soil environmentthrough anthropogenic activities, such as mining,smelting, sewage sludge disposal, application ofpesticides and inorganic fertilizers, and atmospher-ic deposition. … 相似文献
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