【摘要】 为推广使用模态分析技术，作者曾研制出一种“智能前端”。本文介绍了与其配套的激振和采样方法，目标在于降低泄漏误差，提高数据信噪比和试验效率。更多还原

【Abstract】 An intelligent front end has been developed to better utilize the modal analysis technique.This paper discusses the method used for the excitation and samplins in conjunction with the front end.The method is aimed at reducing the leakage error,enhansins the signal/noise ratio and bringing up the efficiency of tests.更多还原