{"title":"实现72点DST-IV用于60通道TDM-FDM多路复用器","authors":"Wang Li-feng, Wang Wen-bo, Wang Zhongde, D. Wang","doi":"10.1109/CICCAS.1991.184536","DOIUrl":null,"url":null,"abstract":"The implementation of 72 point DST-IV (discrete sine transform L type four) is presented in this paper. This design is used for the 60 channel transmultiplexer (TMUX) which implements the conversion between time division multiplex (TDM) signals and frequency division multiplex (FDM) signals. Based on a newly developed fast algorithm, two cascaded printed circuit boards are designed. They are composed of general high speed integrated circuits, with structures suitable for pipeline and parallel computation. A ROM direct control mode is adopted. Combined with the use of multiplexing techniques, the above measures promise the real-time implementation of 72-point DST-IV equipment with 125 mu s time duration at 9.216 MHz clock rate.<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Implementation of 72 point DST-IV for 60 channel TDM-FDM transmultiplexer\",\"authors\":\"Wang Li-feng, Wang Wen-bo, Wang Zhongde, D. Wang\",\"doi\":\"10.1109/CICCAS.1991.184536\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The implementation of 72 point DST-IV (discrete sine transform L type four) is presented in this paper. This design is used for the 60 channel transmultiplexer (TMUX) which implements the conversion between time division multiplex (TDM) signals and frequency division multiplex (FDM) signals. Based on a newly developed fast algorithm, two cascaded printed circuit boards are designed. They are composed of general high speed integrated circuits, with structures suitable for pipeline and parallel computation. A ROM direct control mode is adopted. Combined with the use of multiplexing techniques, the above measures promise the real-time implementation of 72-point DST-IV equipment with 125 mu s time duration at 9.216 MHz clock rate.<<ETX>>\",\"PeriodicalId\":119051,\"journal\":{\"name\":\"China., 1991 International Conference on Circuits and Systems\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-06-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"China., 1991 International Conference on Circuits and Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CICCAS.1991.184536\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"China., 1991 International Conference on Circuits and Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CICCAS.1991.184536","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Implementation of 72 point DST-IV for 60 channel TDM-FDM transmultiplexer
The implementation of 72 point DST-IV (discrete sine transform L type four) is presented in this paper. This design is used for the 60 channel transmultiplexer (TMUX) which implements the conversion between time division multiplex (TDM) signals and frequency division multiplex (FDM) signals. Based on a newly developed fast algorithm, two cascaded printed circuit boards are designed. They are composed of general high speed integrated circuits, with structures suitable for pipeline and parallel computation. A ROM direct control mode is adopted. Combined with the use of multiplexing techniques, the above measures promise the real-time implementation of 72-point DST-IV equipment with 125 mu s time duration at 9.216 MHz clock rate.<>
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