CN1708902A - 用于确定数字滤波器的滤波系数的方法和数字滤波器 - Google Patents
用于确定数字滤波器的滤波系数的方法和数字滤波器 Download PDFInfo
- Publication number
- CN1708902A CN1708902A CN200380102542.XA CN200380102542A CN1708902A CN 1708902 A CN1708902 A CN 1708902A CN 200380102542 A CN200380102542 A CN 200380102542A CN 1708902 A CN1708902 A CN 1708902A
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- filter
- factor
- digital filter
- adder
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000013139 quantization Methods 0.000 claims abstract description 16
- 238000011002 quantification Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 229910002056 binary alloy Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000004364 calculation method Methods 0.000 description 7
- 238000007792 addition Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 102100034004 Gamma-adducin Human genes 0.000 description 2
- 101000799011 Homo sapiens Gamma-adducin Proteins 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0223—Computation saving measures; Accelerating measures
- H03H17/0225—Measures concerning the multipliers
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- Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
阶段 | 二进制 | 十进制 | 量化误差 |
原始值 | 0.101101111 | 0.716796875 | - |
步骤1:4个″1″比特 | 0.101101 | 0.703125 | 0.013671875 |
考虑的下一个比特 | 0.1011011 | 0.7109375 | 0.005859375 |
在第四个″1″比特四舍五入 | 0.101110 | 0.71875 | 0.00195125 |
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10250555.1 | 2002-10-30 | ||
DE10250555A DE10250555A1 (de) | 2002-10-30 | 2002-10-30 | Verfahren zur Ermittlung von Filterköffizienten eines digitalen Filters und digitales Filter |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1708902A true CN1708902A (zh) | 2005-12-14 |
CN100525102C CN100525102C (zh) | 2009-08-05 |
Family
ID=32114964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB200380102542XA Expired - Fee Related CN100525102C (zh) | 2002-10-30 | 2003-10-20 | 用于确定数字滤波器的滤波系数的方法和数字滤波器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7565389B2 (zh) |
EP (1) | EP1559193A1 (zh) |
JP (1) | JP4665099B2 (zh) |
CN (1) | CN100525102C (zh) |
AU (1) | AU2003269403A1 (zh) |
DE (1) | DE10250555A1 (zh) |
WO (1) | WO2004040757A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104820151A (zh) * | 2015-05-08 | 2015-08-05 | 天津百利机械装备集团有限公司中央研究院 | 一种100a全数字化有源电力滤波器的信号定标方法 |
CN110365310A (zh) * | 2019-06-26 | 2019-10-22 | 杭州电子科技大学 | 一种可分离二维fir滤波器的系数量化方法 |
CN110365314A (zh) * | 2019-06-04 | 2019-10-22 | 杭州电子科技大学 | 具有稀疏系数的可分离二维fir滤波器的设计方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006526916A (ja) * | 2003-05-09 | 2006-11-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 移動体通信装置の送信電力を設定するための方法および装置 |
US8098722B2 (en) * | 2005-03-29 | 2012-01-17 | Qualcomm Incorporated | Method and apparatus for equalization control |
JP5250744B2 (ja) * | 2006-07-13 | 2013-07-31 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | フィルタ処理集積回路 |
US10410700B1 (en) | 2018-09-28 | 2019-09-10 | The Mitre Corporation | Systems and method for a low-power correlator architecture using shifting coefficients |
US10879877B1 (en) | 2018-09-28 | 2020-12-29 | The Mitre Corporation | Systems and method for a low power correlator architecture using distributed arithmetic |
US11223891B2 (en) * | 2020-02-19 | 2022-01-11 | xMEMS Labs, Inc. | System and method thereof |
US11387822B2 (en) * | 2020-09-17 | 2022-07-12 | xMEMS Labs, Inc. | Filter and method with multiplication operation approximation capability |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4791597A (en) * | 1986-10-27 | 1988-12-13 | North American Philips Corporation | Multiplierless FIR digital filter with two to the Nth power coefficients |
US5548540A (en) * | 1994-06-24 | 1996-08-20 | General Electric Company | Decimation filter having a selectable decimation ratio |
KR100248021B1 (ko) | 1995-09-30 | 2000-03-15 | 윤종용 | Csd 필터의 신호처리방법과 그 회로 |
US5732004A (en) * | 1995-11-14 | 1998-03-24 | Advanced Micro Devices, Inc. | DSP architecture for a FIR-type filter and method |
JP2000047852A (ja) * | 1998-07-27 | 2000-02-18 | Mitsubishi Electric Corp | 乗算装置、該乗算装置を複数備える固定係数型firディジタルフィルタ |
US6243729B1 (en) * | 1998-12-31 | 2001-06-05 | Texas Instruments Incorporated | Digital finite-impulse-response (FIR) filter with a modified architecture based on high order Radix-N numbering |
US6505221B1 (en) * | 1999-09-20 | 2003-01-07 | Koninklijke Philips Electronics N.V. | FIR filter utilizing programmable shifter |
-
2002
- 2002-10-30 DE DE10250555A patent/DE10250555A1/de not_active Withdrawn
-
2003
- 2003-10-20 WO PCT/IB2003/004685 patent/WO2004040757A1/en active Application Filing
- 2003-10-20 EP EP03751185A patent/EP1559193A1/en not_active Ceased
- 2003-10-20 AU AU2003269403A patent/AU2003269403A1/en not_active Abandoned
- 2003-10-20 US US10/532,903 patent/US7565389B2/en not_active Expired - Fee Related
- 2003-10-20 CN CNB200380102542XA patent/CN100525102C/zh not_active Expired - Fee Related
- 2003-10-20 JP JP2004547892A patent/JP4665099B2/ja not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104820151A (zh) * | 2015-05-08 | 2015-08-05 | 天津百利机械装备集团有限公司中央研究院 | 一种100a全数字化有源电力滤波器的信号定标方法 |
CN104820151B (zh) * | 2015-05-08 | 2017-11-14 | 天津百利机械装备集团有限公司中央研究院 | 一种100a全数字化有源电力滤波器的信号定标方法 |
CN110365314A (zh) * | 2019-06-04 | 2019-10-22 | 杭州电子科技大学 | 具有稀疏系数的可分离二维fir滤波器的设计方法 |
CN110365314B (zh) * | 2019-06-04 | 2020-04-07 | 杭州电子科技大学 | 具有稀疏系数的可分离二维fir滤波器的设计方法 |
CN110365310A (zh) * | 2019-06-26 | 2019-10-22 | 杭州电子科技大学 | 一种可分离二维fir滤波器的系数量化方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1559193A1 (en) | 2005-08-03 |
WO2004040757A1 (en) | 2004-05-13 |
US7565389B2 (en) | 2009-07-21 |
JP2006505181A (ja) | 2006-02-09 |
US20050289201A1 (en) | 2005-12-29 |
CN100525102C (zh) | 2009-08-05 |
JP4665099B2 (ja) | 2011-04-06 |
DE10250555A1 (de) | 2004-05-19 |
AU2003269403A1 (en) | 2004-05-25 |
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Owner name: NXP CO., LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20070810 |
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Effective date of registration: 20070810 Address after: Holland Ian Deho Finn Applicant after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Applicant before: Koninklijke Philips Electronics N.V. |
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Granted publication date: 20090805 Termination date: 20181020 |
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CF01 | Termination of patent right due to non-payment of annual fee |