首页> 外国专利> METHOD FOR MEASURING SIMILARITY BETWEEN TWO FREQUENCY RESPONSE FUNCTIONS BASED ON THE FICTITIOUS FREQUENCY RESPONSE FUNCTION

METHOD FOR MEASURING SIMILARITY BETWEEN TWO FREQUENCY RESPONSE FUNCTIONS BASED ON THE FICTITIOUS FREQUENCY RESPONSE FUNCTION

机译:基于虚拟频率响应函数的两​​个频率响应函数相似度的测量方法

摘要

Provided is a method for measuring the correlation between two frequency response functions based on a virtual frequency response function. The method for measuring the correlation comprises the steps of: i) acquiring an analytical frequency response function (analytical FRF) and a measuring frequency response function (measuring FRF); ii) calculating H(f), which is a virtual frequency response function (virtual FRF) from the analytical FRF and the measuring FRF; iii) extracting a magnitude and a phase of the virtual FRF; iv) calculating each of a magnitude index function and a shape index function; and v) calculating an integrated similarity index function.
机译:提供了一种基于虚拟频率响应函数来测量两个频率响应函数之间的相关性的方法。用于测量相关性的方法包括以下步骤:i)获取分析频率响应函数(分析FRF)和测量频率响应函数(测量FRF); ii)从解析FRF和测量FRF计算H(f),其是虚拟频率响应函数(虚拟FRF); iii)提取虚拟FRF的幅度和相位; iv)计算幅度指标函数和形状指标函数中的每一个; v)计算综合相似性指数函数。

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