南京航空学院研制成功微机辅助振动试验模态分析技术,最近通过了部级技术鉴定。该技术通过频率响应测试和振动模态参数识别来确定结构动态特性。工程上由动态测试分析前端、计算机、接口软硬件及振动模态分析软件构成系统。它的主要功能有:测量及显示,可与多种分析仪、外部磁盘文件接口、编辑测量、定义方向余弦、标尺及局部放大、多种频响估计及多种形式的曲线显示;曲线拟合,可单自由度拟合、多自由度 Nanjing Aeronautical Institute successfully developed microcomputer-assisted vibration test modal analysis technology, recently passed the ministerial technical appraisal. The technology determines the structural dynamics by frequency response testing and vibration modal parameter identification. Engineering by the dynamic test analysis front-end, computer, interface hardware and software and vibration modal analysis software constitute the system. Its main functions are: measurement and display, with a variety of analyzers, external disk file interface, editing measurements, the definition of the direction of the cosine, ruler and local amplification, a variety of frequency response estimation and a variety of forms of curve display; curve fitting , Can be a single degree of freedom fitting, more freedom