利用试验模态分析法获得了某机枪结构的模态参数,分析了机枪的动态特性,并通
过基于模态试验的灵敏度分析方法,获得了影响该机枪动态特性的敏感部位,为改善机枪动态特性提供了依据.
关键词:机枪;灵敏度分析;动态特性;分析
Abstract:According to modal analysis method,modal parameters were derived and structural dynamic characteristics were analyzed.Using sensitivity analysis of model test,the dynamic characteristics and sensitive points of a machine gun were obtained.These would be used to improve dynamic property of the machine gun.
Key words:machine gun;sensitivity anaIysis;structuraI dynamic characteristics;analysis
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