{"title":"射频激励","authors":"Yu-Chung Norman Cheng, E. Mark Haacke","doi":"10.1002/0471142719.mib0202s14","DOIUrl":null,"url":null,"abstract":"<p>This unit presents an in-depth discussion of the radiofrequency field, including how variations in the RF field will cause variations in image intensity that are independent of the physical spin density and the effect of slice select gradients.</p>","PeriodicalId":100347,"journal":{"name":"Current Protocols in Magnetic Resonance Imaging","volume":"14 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2007-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/0471142719.mib0202s14","citationCount":"0","resultStr":"{\"title\":\"Radiofrequency Excitation\",\"authors\":\"Yu-Chung Norman Cheng, E. Mark Haacke\",\"doi\":\"10.1002/0471142719.mib0202s14\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>This unit presents an in-depth discussion of the radiofrequency field, including how variations in the RF field will cause variations in image intensity that are independent of the physical spin density and the effect of slice select gradients.</p>\",\"PeriodicalId\":100347,\"journal\":{\"name\":\"Current Protocols in Magnetic Resonance Imaging\",\"volume\":\"14 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1002/0471142719.mib0202s14\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Current Protocols in Magnetic Resonance Imaging\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/0471142719.mib0202s14\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Current Protocols in Magnetic Resonance Imaging","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/0471142719.mib0202s14","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
This unit presents an in-depth discussion of the radiofrequency field, including how variations in the RF field will cause variations in image intensity that are independent of the physical spin density and the effect of slice select gradients.
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