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应用声测法辨别车流状态的可行性
  • ISSN号：1006-1355
  • 期刊名称：《噪声与振动控制》
  • 时间：0
  • 分类：O429[理学—声学;理学—物理] U491.26[交通运输工程—交通运输规划与管理;交通运输工程—道路与铁道工程]
  • 作者机构：[1]梧州学院数理系,广西梧州543002, [2]上海大学上海市应用数学和力学研究所,上海200072
  • 相关基金：国家重点基础研究发展计划（2006CB705500）; 国家自然科学基金重点项目（批准号：10532060,70701006）; 广西壮族自治区自然科学基金资助项目（0640003）; 梧州学院院级课题资助项目（2008B012,2008D013）
作者： 时伟[1,2], 刘玲玲[1], 陈伟华[1], 曾福军[1]
关键词： 声学, 交通噪声, 声测法, 交通流, 优化速度模型, acoustics, traffic noise, sound detection, traffic flow, optimal velocity model
中文摘要：

采用优化速度交通流模型进行数值模拟以捕获每辆车的信息,并根据声学推导出简化的噪声预测公式,进而应用此噪声预测公式计算点噪声声压级。将车流分布特征与噪声声压级变化进行比较,发现在探测路段,车流量-时间曲线与探测点声压级-时间曲线变化特征相吻合,说明在一定条件下可应用声测法来辨别车流状态。

英文摘要：

In this paper,the optimal velocity model of traffic flow is employed to obtain the information of vehicles running on the road via numerical simulation.According to the derived formula of noise prediction,the sound pressure level of point noise is computed.Comparing the characteristic of traffic flow with the change of sound pressure level,it is found that the change of the flow rate curve is similar to that of the sound pressure level detected on the road.It means that the method of sound detection is useful to distinguish the state of traffic flow under certain conditions.

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期刊信息
  • 《噪声与振动控制》
  • 中国科技核心期刊
  • 主管单位:中国科协
  • 主办单位:中国声学学会
  • 主编：严济宽
  • 地址：上海华山路1954号交通大学
  • 邮编：200030
  • 邮箱：NVC@sjtu.edu.cn
  • 电话：021-62932221
  • 国际标准刊号：ISSN：1006-1355
  • 国内统一刊号：ISSN：31-1346/TB
  • 邮发代号:4-672
  • 获奖情况:
  • 国内外数据库收录:
  • 日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）
  • 被引量:8372