JP7146414B2 - デジタルフィルタのための係数発生 - Google Patents

デジタルフィルタのための係数発生 Download PDF

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JP7146414B2
JP7146414B2 JP2018031536A JP2018031536A JP7146414B2 JP 7146414 B2 JP7146414 B2 JP 7146414B2 JP 2018031536 A JP2018031536 A JP 2018031536A JP 2018031536 A JP2018031536 A JP 2018031536A JP 7146414 B2 JP7146414 B2 JP 7146414B2
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circuit
sequence
output
coefficients
values
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Japanese (ja)
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JP2018148557A (ja
JP2018148557A5 (enExample
Inventor
シャン ペイジュン
ソベル デヴィッド
エル モレイン スティーブン
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オムニヴィジョン ティーディーディーアイ オンタリオ リミテッド パートナーシップ
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • 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
    • H03H17/0227—Measures concerning the coefficients
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • 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
    • H03H17/0226—Measures concerning the multipliers comprising look-up tables
    • 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
    • H03H17/0607—Non-recursive filters comprising a ROM addressed by the input data signals
    • 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
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H03H17/0664—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H2017/0072—Theoretical filter design
    • H03H2017/0081—Theoretical filter design of FIR filters

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
JP2018031536A 2017-03-03 2018-02-26 デジタルフィルタのための係数発生 Active JP7146414B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/449,875 US10122346B2 (en) 2017-03-03 2017-03-03 Coefficient generation for digital filters
US15/449,875 2017-03-03

Publications (3)

Publication Number Publication Date
JP2018148557A JP2018148557A (ja) 2018-09-20
JP2018148557A5 JP2018148557A5 (enExample) 2021-04-08
JP7146414B2 true JP7146414B2 (ja) 2022-10-04

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JP2018031536A Active JP7146414B2 (ja) 2017-03-03 2018-02-26 デジタルフィルタのための係数発生

Country Status (4)

Country Link
US (1) US10122346B2 (enExample)
JP (1) JP7146414B2 (enExample)
KR (1) KR102534345B1 (enExample)
CN (1) CN108540107B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11862116B2 (en) * 2019-09-25 2024-01-02 Zhangyue Technology Co., Ltd Handwriting reading device, method for processing report point data, and computer storage medium
US12159007B1 (en) 2021-09-24 2024-12-03 Apple Inc. Methodology and application of sampled low noise reference voltage
KR102738268B1 (ko) * 2023-06-22 2024-12-04 주식회사 뉴파워 프라즈마 주파수 가변 노치 필터를 사용한 신호 처리 장치 및 방법
CN117217160B (zh) * 2023-11-07 2024-04-09 杭州行芯科技有限公司 交叠结构的电容库创建方法、电容获取方法、设备及介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003069388A (ja) 1997-05-30 2003-03-07 Internatl Business Mach Corp <Ibm> ディジタル・フィルタ
JP2009010925A (ja) 2007-04-06 2009-01-15 Technology Properties Ltd 信号処理

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257026A (en) 1992-04-17 1993-10-26 Crystal Semiconductor, Inc. Method and apparatus for calibrating a multi-bit delta-sigma modular
US5999355A (en) * 1996-04-30 1999-12-07 Cirrus Logic, Inc. Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording
US6603812B1 (en) * 1998-08-17 2003-08-05 Linear Technology Corporation Hardware implementation of a decimating finite impulse response filter
CA2525944C (en) * 2003-04-09 2012-06-05 Arris International, Inc. Reciprocal index lookup for btsc compatible coefficients
US20080013747A1 (en) 2006-06-30 2008-01-17 Bao Tran Digital stethoscope and monitoring instrument
DE102007046181A1 (de) * 2007-09-26 2009-04-02 Micronas Gmbh CIC-Filter mit fraktionaler Integration
JPWO2009072197A1 (ja) * 2007-12-05 2011-04-21 三菱電機株式会社 デジタルフィルタ、プリコーディング装置、送信システム
CN101510756A (zh) * 2009-03-06 2009-08-19 山东大学 基于mimo实时测试平台的数字信号下变频处理系统
WO2011149974A1 (en) 2010-05-24 2011-12-01 The Board Of Trustees Of The University Of Illinois High sensitivity environmental senor board and methods for structural health monitoring
EP2966778B1 (en) * 2014-07-11 2016-11-09 The Swatch Group Research and Development Ltd. Digital interpolator and method of interpolating
KR101584917B1 (ko) * 2014-10-14 2016-01-14 세종대학교산학협력단 멀티 스테이지 필터 장치 및 그것을 이용한 필터링 방법
US10296108B2 (en) 2015-07-06 2019-05-21 Sigmasense, Llc. Pen system with internal pressure tilt rotation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003069388A (ja) 1997-05-30 2003-03-07 Internatl Business Mach Corp <Ibm> ディジタル・フィルタ
JP2009010925A (ja) 2007-04-06 2009-01-15 Technology Properties Ltd 信号処理

Also Published As

Publication number Publication date
JP2018148557A (ja) 2018-09-20
KR102534345B1 (ko) 2023-05-22
CN108540107A (zh) 2018-09-14
US20180254768A1 (en) 2018-09-06
KR20180101188A (ko) 2018-09-12
CN108540107B (zh) 2023-09-05
US10122346B2 (en) 2018-11-06

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