The effects of the signal line length, the filter and the sampling frequencies on measuring air pressure pulse were studied in this paper.
研究了连接动态压力传感器的信号线长度、放大器的滤波频率和数据采集系统的采样频率对空气压力波测量的影响。
The aerodynamic shape design of train head should consider all kinds of factors because the relation between reducing aerodynamic drag and air pressure pulse may be conflictive and uniform.
减小列车空气阻力和降低列车交会压力波，既矛盾又统一，列车气动头部外形设计需要综合考虑各种因素。
The asymmetrical slippage grid technique, the numerical computation, the moving model test, and the full-scale train test for air pressure pulse from trains passing each other are introduced.
讨论了列车交会空气压力波数值计算方法、动模型及在线实车试验技术，论述了非对称滑移网格技术。
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