JP4729685B2 - プログラマブルシフタを使用するｆｉｒフィルタ - Google Patents

プログラマブルシフタを使用するｆｉｒフィルタ Download PDF

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Publication number
JP4729685B2
JP4729685B2 JP2001525841A JP2001525841A JP4729685B2 JP 4729685 B2 JP4729685 B2 JP 4729685B2 JP 2001525841 A JP2001525841 A JP 2001525841A JP 2001525841 A JP2001525841 A JP 2001525841A JP 4729685 B2 JP4729685 B2 JP 4729685B2
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filter
coefficient
prescaled
memory
circuit device
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JP2003510876A (ja
JP2003510876A5 (enExample
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マルチン、マシュマン
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エスティー‐エリクソン、ソシエテ、アノニム
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0219—Compensation of undesirable effects, e.g. quantisation noise, overflow

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2001525841A 1999-09-20 2000-08-18 プログラマブルシフタを使用するｆｉｒフィルタ Expired - Fee Related JP4729685B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/400,700 1999-09-20
US09/400,700 US6505221B1 (en) 1999-09-20 1999-09-20 FIR filter utilizing programmable shifter
PCT/US2000/022826 WO2001022582A1 (en) 1999-09-20 2000-08-18 Fir filter utilizing programmable shifter

Publications (3)

Publication Number Publication Date
JP2003510876A JP2003510876A (ja) 2003-03-18
JP2003510876A5 JP2003510876A5 (enExample) 2010-12-16
JP4729685B2 true JP4729685B2 (ja) 2011-07-20

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JP2001525841A Expired - Fee Related JP4729685B2 (ja) 1999-09-20 2000-08-18 プログラマブルシフタを使用するｆｉｒフィルタ

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US (1) US6505221B1 (enExample)
EP (1) EP1131887A1 (enExample)
JP (1) JP4729685B2 (enExample)
WO (1) WO2001022582A1 (enExample)

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US6112218A (en) * 1998-03-30 2000-08-29 Texas Instruments Incorporated Digital filter with efficient quantization circuitry
EP1298799B1 (en) * 2001-09-28 2007-03-07 Sony Deutschland GmbH Digital filter realization
US7024441B2 (en) * 2001-10-03 2006-04-04 Intel Corporation Performance optimized approach for efficient numerical computations
DE10250555A1 (de) * 2002-10-30 2004-05-19 Philips Intellectual Property & Standards Gmbh Verfahren zur Ermittlung von Filterköffizienten eines digitalen Filters und digitales Filter
JP3755602B2 (ja) * 2003-03-04 2006-03-15 ソニー株式会社 信号処理装置、信用処理装置用プログラム、信号処理装置用プログラムを記録した記録媒体、及び信号処理方法
US7680872B2 (en) * 2005-01-11 2010-03-16 Via Telecom Co., Ltd. Canonical signed digit (CSD) coefficient multiplier with optimization
CN101233686A (zh) * 2005-07-29 2008-07-30 Nxp股份有限公司 数字滤波器
US20080071846A1 (en) * 2006-09-14 2008-03-20 Texas Instruments Incorporated Processor Architecture for Programmable Digital Filters in a Multi-Standard Integrated Circuit
US20090164544A1 (en) * 2007-12-19 2009-06-25 Jeffrey Dobbek Dynamic range enhancement for arithmetic calculations in real-time control systems using fixed point hardware
US8280941B2 (en) * 2007-12-19 2012-10-02 HGST Netherlands B.V. Method and system for performing calculations using fixed point microprocessor hardware
US20090300089A1 (en) * 2008-05-29 2009-12-03 Himax Technologies Limited Finite impulse response filter and method
JP5287226B2 (ja) * 2008-12-25 2013-09-11 ペンタックスリコーイメージング株式会社 撮像装置
JP5262693B2 (ja) * 2008-12-25 2013-08-14 ペンタックスリコーイメージング株式会社 撮像装置
JP5191879B2 (ja) * 2008-12-25 2013-05-08 ペンタックスリコーイメージング株式会社 撮像装置
US8768997B2 (en) * 2009-02-05 2014-07-01 Qualcomm Incorporated Passive switched-capacitor filters conforming to power constraint
US9148168B2 (en) 2013-10-29 2015-09-29 Analog Devices Global System and method of improving stability of continuous-time delta-sigma modulators
US10083007B2 (en) * 2016-09-15 2018-09-25 Altera Corporation Fast filtering
KR101878400B1 (ko) * 2017-02-06 2018-07-13 울산과학기술원 근사연산을 이용한 fir필터 연산방법
EP3471271A1 (en) * 2017-10-16 2019-04-17 Acoustical Beauty Improved convolutions of digital signals using a bit requirement optimization of a target digital signal
WO2021124413A1 (ja) * 2019-12-16 2021-06-24 三菱電機株式会社 フィルタ装置

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NL7905332A (nl) 1979-07-09 1981-01-13 Philips Nv Decimerend, lineair phase, digital fir filter.
US4369499A (en) 1980-09-18 1983-01-18 Codex Corporation Linear phase digital filter
US4494214A (en) 1983-02-03 1985-01-15 Rca Corporation Apparatus for generating scaled weighting coefficients for sampled data filters
US4615026A (en) 1984-01-20 1986-09-30 Rca Corporation Digital FIR filters with enhanced tap weight resolution
JPS6165616A (ja) 1984-09-07 1986-04-04 Nippon Hoso Kyokai <Nhk> 対称形ｆｉｒディジタルフィルタ
US4862402A (en) 1986-07-24 1989-08-29 North American Philips Corporation Fast multiplierless architecture for general purpose VLSI FIR digital filters with minimized hardware
US4791597A (en) 1986-10-27 1988-12-13 North American Philips Corporation Multiplierless FIR digital filter with two to the Nth power coefficients
US4782458A (en) 1986-12-18 1988-11-01 North American Philips Corporation Architecture for power of two coefficient FIR filter
US4843581A (en) * 1987-05-11 1989-06-27 American Telephone And Telegraph Company Digital signal processor architecture
JPH07109974B2 (ja) * 1989-04-22 1995-11-22 富士ゼロックス株式会社 ディジタルフィルタ処理装置
US5128886A (en) 1989-07-14 1992-07-07 Tektronix, Inc. Using long distance filters in the presence of round-off errors
JPH03211910A (ja) * 1990-01-17 1991-09-17 Hitachi Ltd ディジタルフィルタ
JPH0449708A (ja) * 1990-06-18 1992-02-19 Nec Corp Ｆｉｒフィルタ回路
US5233549A (en) 1992-04-21 1993-08-03 Loral Aerospace Corp. Reduced quantization error FIR filter
US5268877A (en) 1992-05-11 1993-12-07 The United States Of America As Represented By The Secretary Of The Navy Digital beamforming and filtering circuit
JP3140853B2 (ja) * 1992-08-06 2001-03-05 シャープ株式会社 データ駆動型フィルタ装置
US5483552A (en) 1992-10-27 1996-01-09 Matsushita Electric Industrial Co., Ltd. Adaptive equalizing apparatus for controlling the input signal level of quantized feedback
US5353026A (en) 1992-12-15 1994-10-04 Analog Devices, Inc. Fir filter with quantized coefficients and coefficient quantization method
US5479454A (en) * 1993-09-21 1995-12-26 Genesis Microchip Inc. Digital filter with improved numerical precision
JP2541128B2 (ja) 1993-11-16 1996-10-09 日本電気株式会社 マルチキャリアロ―ルオフフィルタ
EP0791242B1 (en) * 1995-09-07 2000-12-06 Koninklijke Philips Electronics N.V. Improved digital filter
KR100248021B1 (ko) 1995-09-30 2000-03-15 윤종용 Csd 필터의 신호처리방법과 그 회로
US5777914A (en) 1996-08-29 1998-07-07 Lucent Technologies Inc. Technique for reducing power consumption in digital filters
US6301596B1 (en) * 1999-04-01 2001-10-09 Ati International Srl Partial sum filter and method therefore

Also Published As

Publication number Publication date
WO2001022582A1 (en) 2001-03-29
JP2003510876A (ja) 2003-03-18
US6505221B1 (en) 2003-01-07
EP1131887A1 (en) 2001-09-12

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