FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计)
针对目前FIR数字滤波器消耗面积较大、运行速度较慢等问题,在APC-LUT (antisymmetric product coding,APC)方法实现乘法器基础上,提出了一种改进型查找表(lookup-table,LUT)架构δ-LUT实现乘法器,省去了地址线的编码电路,控制电路简单易行;进一步,在δ-LUT的基础上,提出了改进型的LUT架构β-LUT实现乘法器,使FIR滤波器的功耗和面积等性能得到大幅度提高.进一步介绍了在输入位宽较大时通过查表操作的LUT分解方法可降低LUT的规模.采用Synopsys公司的Design Compiler,并结合TSMC 130 nm的单元库,对LUT进行...
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Format: | Article |
Language: | zho |
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Zhejiang University Press
2014-11-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
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Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2014.06.011 |
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author | ZHOULianfang(周连方) XIAYinshui(夏银水) WANGLunyao(王伦耀) |
author_facet | ZHOULianfang(周连方) XIAYinshui(夏银水) WANGLunyao(王伦耀) |
author_sort | ZHOULianfang(周连方) |
collection | DOAJ |
description | 针对目前FIR数字滤波器消耗面积较大、运行速度较慢等问题,在APC-LUT (antisymmetric product coding,APC)方法实现乘法器基础上,提出了一种改进型查找表(lookup-table,LUT)架构δ-LUT实现乘法器,省去了地址线的编码电路,控制电路简单易行;进一步,在δ-LUT的基础上,提出了改进型的LUT架构β-LUT实现乘法器,使FIR滤波器的功耗和面积等性能得到大幅度提高.进一步介绍了在输入位宽较大时通过查表操作的LUT分解方法可降低LUT的规模.采用Synopsys公司的Design Compiler,并结合TSMC 130 nm的单元库,对LUT进行综合改进,结果显示,改进后的LUT实现的FIR数字滤波器,其ADP节省达60%,功耗节省达58%. |
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spelling | doaj.art-a5d8769baef241e9b9d3b0a24de76cf52024-03-29T01:58:34ZzhoZhejiang University PressZhejiang Daxue xuebao. Lixue ban1008-94972014-11-0141667067510.3785/j.issn.1008-9497.2014.06.011FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计)ZHOULianfang(周连方)0XIAYinshui(夏银水)1WANGLunyao(王伦耀)2College of In formation Science and Engineering, Ningbo University, Ningbo 315211, China(宁波大学信息科学与工程学院,浙江 宁波 315211)College of In formation Science and Engineering, Ningbo University, Ningbo 315211, China(宁波大学信息科学与工程学院,浙江 宁波 315211)College of In formation Science and Engineering, Ningbo University, Ningbo 315211, China(宁波大学信息科学与工程学院,浙江 宁波 315211)针对目前FIR数字滤波器消耗面积较大、运行速度较慢等问题,在APC-LUT (antisymmetric product coding,APC)方法实现乘法器基础上,提出了一种改进型查找表(lookup-table,LUT)架构δ-LUT实现乘法器,省去了地址线的编码电路,控制电路简单易行;进一步,在δ-LUT的基础上,提出了改进型的LUT架构β-LUT实现乘法器,使FIR滤波器的功耗和面积等性能得到大幅度提高.进一步介绍了在输入位宽较大时通过查表操作的LUT分解方法可降低LUT的规模.采用Synopsys公司的Design Compiler,并结合TSMC 130 nm的单元库,对LUT进行综合改进,结果显示,改进后的LUT实现的FIR数字滤波器,其ADP节省达60%,功耗节省达58%.https://doi.org/10.3785/j.issn.1008-9497.2014.06.011fir数字滤波器查找表功耗和面积 |
spellingShingle | ZHOULianfang(周连方) XIAYinshui(夏银水) WANGLunyao(王伦耀) FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计) Zhejiang Daxue xuebao. Lixue ban fir数字滤波器 查找表 功耗和面积 |
title | FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计) |
title_full | FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计) |
title_fullStr | FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计) |
title_full_unstemmed | FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计) |
title_short | FIR digital filter design based on an improved LUT multiplier(基于改进的LUT乘法器的FIR滤波器设计) |
title_sort | fir digital filter design based on an improved lut multiplier 基于改进的lut乘法器的fir滤波器设计 |
topic | fir数字滤波器 查找表 功耗和面积 |
url | https://doi.org/10.3785/j.issn.1008-9497.2014.06.011 |
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