【摘要】 运用声强理论知识,根据对国外高速铁道车辆进行的运行噪声测试和分析,确定了在不同工况、不同运行速度、不同测试位置时的高速铁道车辆车内噪声分布规律,对我国进行高速铁道车辆防噪降噪设计有较高的参考价值。更多还原

【Abstract】 The paper uses sound intensity theory, analyzes results of noise measurements in foreign highspeed railway vehicles and puts forward to interior noise distributing rules of highspeed railway vehicles in different running statuses, speeds and measurement points. It provides reference to noise debasements and reduction design of highspeed railway vehicles in china.更多还原