{"title":"非均匀主磁场中磁共振信号的分析","authors":"V. Arpinar, B. M. Eyuboglu","doi":"10.1109/BIYOMUT.2009.5130278","DOIUrl":null,"url":null,"abstract":"Nuclear Magnetic Resonance (NMR) systems with inhomogenous main magnetic fields, which are used to analyze material properties, have been developed before. Therefore, Magnetic Resonance Imaging (MRI) systems with inhomogenous main magnetic fields can be possibly developed to image tissues. To investigate the possibility of MRI in inhomogenous main magnetic field, Magnetic Resonance (MR) signal has to be analyzed. In this study, MR signal's parameters deviation due to inhomogeneity level change in the main magnetic field of a MRI system is investigated. Analyzed MR signal parameters are signal peak, energy and relaxation constant. Deviations of these parameters, because of inhomogeneity level change in the main magnetic field, are related to change in MRI system's properties. Thus, starting from the MRI system's properties, tolerable inhomogeneity level in main magnetic field can be found.","PeriodicalId":119026,"journal":{"name":"2009 14th National Biomedical Engineering Meeting","volume":"80 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Analysis of Magnetic Resonance signal in inhomogenous main magnetic field\",\"authors\":\"V. Arpinar, B. M. Eyuboglu\",\"doi\":\"10.1109/BIYOMUT.2009.5130278\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Nuclear Magnetic Resonance (NMR) systems with inhomogenous main magnetic fields, which are used to analyze material properties, have been developed before. Therefore, Magnetic Resonance Imaging (MRI) systems with inhomogenous main magnetic fields can be possibly developed to image tissues. To investigate the possibility of MRI in inhomogenous main magnetic field, Magnetic Resonance (MR) signal has to be analyzed. In this study, MR signal's parameters deviation due to inhomogeneity level change in the main magnetic field of a MRI system is investigated. Analyzed MR signal parameters are signal peak, energy and relaxation constant. Deviations of these parameters, because of inhomogeneity level change in the main magnetic field, are related to change in MRI system's properties. Thus, starting from the MRI system's properties, tolerable inhomogeneity level in main magnetic field can be found.\",\"PeriodicalId\":119026,\"journal\":{\"name\":\"2009 14th National Biomedical Engineering Meeting\",\"volume\":\"80 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-05-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2009 14th National Biomedical Engineering Meeting\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/BIYOMUT.2009.5130278\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 14th National Biomedical Engineering Meeting","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/BIYOMUT.2009.5130278","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analysis of Magnetic Resonance signal in inhomogenous main magnetic field
Nuclear Magnetic Resonance (NMR) systems with inhomogenous main magnetic fields, which are used to analyze material properties, have been developed before. Therefore, Magnetic Resonance Imaging (MRI) systems with inhomogenous main magnetic fields can be possibly developed to image tissues. To investigate the possibility of MRI in inhomogenous main magnetic field, Magnetic Resonance (MR) signal has to be analyzed. In this study, MR signal's parameters deviation due to inhomogeneity level change in the main magnetic field of a MRI system is investigated. Analyzed MR signal parameters are signal peak, energy and relaxation constant. Deviations of these parameters, because of inhomogeneity level change in the main magnetic field, are related to change in MRI system's properties. Thus, starting from the MRI system's properties, tolerable inhomogeneity level in main magnetic field can be found.
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