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本文介绍测量飞机噪声环境,获得的结构噪声载荷分布与频谱的结果,并分析了影响其量值的因素与结构声振响应特性;归纳了结构噪声载荷谱及其编制方法;简述了进行结构声疲劳试验的方法与参数选择原则和实例;列举了分析与排除声疲劳故障的方法和效益
This paper introduces the measurement of aircraft noise environment, the structure noise load distribution and the spectrum obtained results, and analyzes the factors that affect the value of the structure and the structure of the acoustic vibration response characteristics; summarizes the structure of the noise load spectrum and its preparation method; briefly describes the structure Sound fatigue test methods and parameters selection principles and examples; lists the methods and benefits of analysis and troubleshooting acoustic fatigue failure