{"title":"空军理工学院Winograd傅立叶变换处理器的设计增强","authors":"R.E. Sommer, M. A. Mehalic","doi":"10.1109/NAECON.1991.165728","DOIUrl":null,"url":null,"abstract":"The authors deal with the development of a Winograd Fourier transform processor at the Air Force Institute of Technology (AFIT). The processor can be hardware-configured to perform a 15-, 16-, 17-, 240-, 255-, 272-, or 4,080-point transform. The authors present three methods that can be used to improve the utility of the AFIT WFTA processor. Dynamic reconfiguration, a two-dimensional transform system, and an alternate architecture for the AFIT WFTA are presented. Results of these improvements are given, including a four-dimensional FFT (fast Fourier transform) configuration that can perform a single 77520-point complex FFT in 8.87 milliseconds, and once the processor's pipeline is full, a 77520-point complex transform can be completed every 2.22 milliseconds.<<ETX>>","PeriodicalId":247766,"journal":{"name":"Proceedings of the IEEE 1991 National Aerospace and Electronics Conference NAECON 1991","volume":"16 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Design enhancements for the Air Force Institute of Technology's Winograd Fourier transform processor\",\"authors\":\"R.E. Sommer, M. A. Mehalic\",\"doi\":\"10.1109/NAECON.1991.165728\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The authors deal with the development of a Winograd Fourier transform processor at the Air Force Institute of Technology (AFIT). The processor can be hardware-configured to perform a 15-, 16-, 17-, 240-, 255-, 272-, or 4,080-point transform. The authors present three methods that can be used to improve the utility of the AFIT WFTA processor. Dynamic reconfiguration, a two-dimensional transform system, and an alternate architecture for the AFIT WFTA are presented. Results of these improvements are given, including a four-dimensional FFT (fast Fourier transform) configuration that can perform a single 77520-point complex FFT in 8.87 milliseconds, and once the processor's pipeline is full, a 77520-point complex transform can be completed every 2.22 milliseconds.<<ETX>>\",\"PeriodicalId\":247766,\"journal\":{\"name\":\"Proceedings of the IEEE 1991 National Aerospace and Electronics Conference NAECON 1991\",\"volume\":\"16 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-05-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the IEEE 1991 National Aerospace and Electronics Conference NAECON 1991\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/NAECON.1991.165728\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the IEEE 1991 National Aerospace and Electronics Conference NAECON 1991","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NAECON.1991.165728","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Design enhancements for the Air Force Institute of Technology's Winograd Fourier transform processor
The authors deal with the development of a Winograd Fourier transform processor at the Air Force Institute of Technology (AFIT). The processor can be hardware-configured to perform a 15-, 16-, 17-, 240-, 255-, 272-, or 4,080-point transform. The authors present three methods that can be used to improve the utility of the AFIT WFTA processor. Dynamic reconfiguration, a two-dimensional transform system, and an alternate architecture for the AFIT WFTA are presented. Results of these improvements are given, including a four-dimensional FFT (fast Fourier transform) configuration that can perform a single 77520-point complex FFT in 8.87 milliseconds, and once the processor's pipeline is full, a 77520-point complex transform can be completed every 2.22 milliseconds.<>
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