{"title":"超声成像的反向射线追踪","authors":"R. Breeuwer","doi":"10.1109/ULTSYM.1990.171396","DOIUrl":null,"url":null,"abstract":"Focused ultrasonic beams frequently pass one or more media interfaces, strongly affecting the ultrasonic beamshape and focusing. A computer program, based on backward ray tracing was developed to compute the shape of a corrected focusing mirror. This shape is verified with another program; then the mirror is constructed by CNC (computerized numerical control) machining. The C/sup ++/ language gives a clear program structure with a toolkit of building blocks which can be applied to a wide range of problems.<<ETX>>","PeriodicalId":412254,"journal":{"name":"IEEE Symposium on Ultrasonics","volume":"12 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1990-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Backward ray tracing for ultrasonic imaging\",\"authors\":\"R. Breeuwer\",\"doi\":\"10.1109/ULTSYM.1990.171396\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Focused ultrasonic beams frequently pass one or more media interfaces, strongly affecting the ultrasonic beamshape and focusing. A computer program, based on backward ray tracing was developed to compute the shape of a corrected focusing mirror. This shape is verified with another program; then the mirror is constructed by CNC (computerized numerical control) machining. The C/sup ++/ language gives a clear program structure with a toolkit of building blocks which can be applied to a wide range of problems.<<ETX>>\",\"PeriodicalId\":412254,\"journal\":{\"name\":\"IEEE Symposium on Ultrasonics\",\"volume\":\"12 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1990-12-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Symposium on Ultrasonics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ULTSYM.1990.171396\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Symposium on Ultrasonics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ULTSYM.1990.171396","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Focused ultrasonic beams frequently pass one or more media interfaces, strongly affecting the ultrasonic beamshape and focusing. A computer program, based on backward ray tracing was developed to compute the shape of a corrected focusing mirror. This shape is verified with another program; then the mirror is constructed by CNC (computerized numerical control) machining. The C/sup ++/ language gives a clear program structure with a toolkit of building blocks which can be applied to a wide range of problems.<>
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