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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
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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
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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.
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