{"title":"评估模态试验中使用的模态指示器功能","authors":"M. Radeṣ","doi":"10.56958/jesi.2022.7.2.131","DOIUrl":null,"url":null,"abstract":"This paper presents a comparative study of the performance of some Mode Indicator Functions used in the modal testing of a structure with close modes, based on a restricted and non-optimal data set with a single reference. Best results are obtained using multi-curve modal indicators having the form of orthogonal projectors defined somewhat complementary to componentwise power spectra.","PeriodicalId":52936,"journal":{"name":"Journal of Engineering Sciences and Innovation","volume":" ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Assessing mode indicator functions used in modal testing\",\"authors\":\"M. Radeṣ\",\"doi\":\"10.56958/jesi.2022.7.2.131\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents a comparative study of the performance of some Mode Indicator Functions used in the modal testing of a structure with close modes, based on a restricted and non-optimal data set with a single reference. Best results are obtained using multi-curve modal indicators having the form of orthogonal projectors defined somewhat complementary to componentwise power spectra.\",\"PeriodicalId\":52936,\"journal\":{\"name\":\"Journal of Engineering Sciences and Innovation\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-06-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Engineering Sciences and Innovation\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.56958/jesi.2022.7.2.131\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Engineering Sciences and Innovation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.56958/jesi.2022.7.2.131","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Assessing mode indicator functions used in modal testing
This paper presents a comparative study of the performance of some Mode Indicator Functions used in the modal testing of a structure with close modes, based on a restricted and non-optimal data set with a single reference. Best results are obtained using multi-curve modal indicators having the form of orthogonal projectors defined somewhat complementary to componentwise power spectra.
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