噪声地图

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什么是噪声地图?能发挥什么作用?
Zhong Guo Huan Jing Bao· 2025-09-29 01:35
噪声污染防治既是关乎"家长里短"的小事,也是事关人民群众切身利益的大事。然而,噪声污染具有动 态性、分散性等典型特点,捕捉难、量化难、治理难,使其成为生态环境质量和城乡人居环境的短板之 一。随着噪声监测、预测模拟等科技的发展,噪声地图技术有望成为破解噪声污染治理难题的有效工 具。 噪声污染防治面临诸多难点 新修订的《中华人民共和国噪声污染防治法》为强化噪声污染防治奠定了重要法治基础,《"十四五"噪 声污染防治行动计划》全面部署了噪声污染防治任务。但噪声污染防治面临的形势较为复杂,距离建 设"宁静城市"的要求仍有较大差距。 一是因地制宜推广。"十四五"期间,全国噪声自动监测网络逐步完善,为噪声地图的推广应用提供了数 据基础。各地可在此基础上,借鉴参考相关试点城市的实践经验,根据当地噪声污染防治需求推广应用 噪声地图利用地理信息系统技术,将一个区域内的噪声大小和分布情况以可视化的形式呈现在地图上, 可以直观反映一个城市、一个区域甚至一个居民小区的噪声状况,支撑精准找出噪声污染的主要来源, 从而为采取精准防治措施提供科学依据。随着计算机、噪声监测预测等技术的发展,噪声地图的应用日 渐成熟并得到快速推广,逐渐成为破解 ...
“谷”蕴新技 千亿级特色新兴产业集群加速崛起
Yang Shi Wang· 2025-07-23 07:47
Core Viewpoint - Acoustic technology is becoming a new engine for technological innovation, with various acoustic smart terminals entering households and industries, enhancing control and understanding of sound [1][4]. Group 1: Industry Development - The "China Sound Valley" in Changshu, Suzhou, is leveraging new materials and technologies to make sound more controllable and perceptible, with a range of acoustic smart terminals being integrated into various sectors [4]. - The acoustic innovation zone is focused on creating an industrial innovation cluster led by acoustic technology, with over 150 acoustic project initiatives aimed at empowering high-end industries such as automotive manufacturing, medical devices, and marine communications [5]. - The sound valley has established a complete innovation chain from pilot testing to industrialization verification, facilitating the transformation of new technologies and products [11]. Group 2: Noise Management - Changshu has developed the country's first urban "noise map," utilizing automatic devices for 24/7 monitoring and a database that captures various noise pollution types, triggering alerts when noise levels exceed standards [8]. - Acoustic technology is being utilized for noise management, contributing to the creation of quieter urban environments [6]. Group 3: Economic Impact - In the first half of this year, the output value of the sound valley exceeded 13.5 billion yuan, representing a year-on-year growth of 34.4% [14]. - The local government aims to accelerate the transformation of strategic and critical technological achievements, targeting the establishment of a 100 billion yuan-level acoustic industry innovation cluster [12].
新“声”态孕育千亿级“大产业” 声学技术赋能激活经济发展新动能
Yang Shi Wang· 2025-07-23 03:42
Core Viewpoint - The "China Sound Valley" in Suzhou is emerging as a new engine for technological innovation, focusing on sound control and acoustic technology applications [1][12]. Group 1: Acoustic Innovations - The Sound Valley has developed advanced sound-absorbing materials that significantly reduce noise, utilizing a honeycomb structure to create resonance and lower sound energy [3][4]. - Active noise cancellation technology is being implemented, which releases sound waves that are opposite in phase to the noise, effectively reducing sound levels in environments like truck cabins [6][12]. - The "acoustic camera" technology can visualize sound, identifying inaudible frequencies and pinpointing sound sources, enhancing sound control in various applications [8][12]. Group 2: Applications and Impact - The innovations in sound technology are being applied in diverse fields, including automotive manufacturing, medical devices, and marine communications, contributing to the development of over 150 acoustic projects in the region [12][20]. - The establishment of a "noise map" platform in Changshu allows for real-time monitoring and precise identification of noise pollution, achieving a 98% accuracy rate in capturing specific noise events [14][16]. - The local government is promoting the construction of a "quiet city" by implementing noise-sensitive building regulations and control mechanisms, supported by the noise map technology [18][24]. Group 3: Economic Growth and Support - The Sound Valley's output value reached 13.5 billion yuan in the first half of 2025, marking a 34.4% year-on-year increase, with plans to develop a trillion-yuan acoustic industry cluster [26]. - A comprehensive innovation chain has been established to facilitate the transition of new technologies from research to market, supported by government funding and investment initiatives totaling 1 billion yuan [24][26]. - The region is fostering collaboration between academia and industry, with 11 platforms for research and development partnerships, enhancing the growth of the acoustic technology sector [24].