DE60230372D1 - Rekursives digitales Filter mit variabler Abtastrate - Google Patents

Rekursives digitales Filter mit variabler Abtastrate

Info

Publication number
DE60230372D1
DE60230372D1 DE60230372T DE60230372T DE60230372D1 DE 60230372 D1 DE60230372 D1 DE 60230372D1 DE 60230372 T DE60230372 T DE 60230372T DE 60230372 T DE60230372 T DE 60230372T DE 60230372 D1 DE60230372 D1 DE 60230372D1
Authority
DE
Germany
Prior art keywords
sampling rate
digital filter
variable sampling
recursive digital
recursive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60230372T
Other languages
English (en)
Inventor
Kevin M Ferguson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tektronix Inc
Original Assignee
Tektronix Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tektronix Inc filed Critical Tektronix Inc
Application granted granted Critical
Publication of DE60230372D1 publication Critical patent/DE60230372D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H03H17/0294—Variable filters; Programmable 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
    • H03H17/04—Recursive filters
    • H03H17/0416—Recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Picture Signal Circuits (AREA)
  • Image Processing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE60230372T 2001-08-08 2002-07-16 Rekursives digitales Filter mit variabler Abtastrate Expired - Lifetime DE60230372D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/925,546 US6976045B2 (en) 2001-08-08 2001-08-08 Variable sample rate recursive digital filter

Publications (1)

Publication Number Publication Date
DE60230372D1 true DE60230372D1 (de) 2009-01-29

Family

ID=25451883

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60230372T Expired - Lifetime DE60230372D1 (de) 2001-08-08 2002-07-16 Rekursives digitales Filter mit variabler Abtastrate

Country Status (5)

Country Link
US (1) US6976045B2 (de)
EP (1) EP1289143B1 (de)
JP (1) JP4159318B2 (de)
CN (1) CN100592627C (de)
DE (1) DE60230372D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7158591B2 (en) * 2001-05-09 2007-01-02 Signum Concept, Inc. Recursive resampling digital filter structure for demodulating 3G wireless signals
US7405747B2 (en) * 2004-04-14 2008-07-29 Tektronix, Inc. Extended K2T measurement of video
US7685216B2 (en) * 2005-07-07 2010-03-23 Texas Instruments Incorporated Automatic input error recovery circuit and method for recursive digital filters
JP4563310B2 (ja) * 2005-12-01 2010-10-13 パナソニック株式会社 無線受信機
CN100463367C (zh) * 2007-03-12 2009-02-18 北京航空航天大学 一种章动频率自动跟踪的高通数字滤波方法
US8781222B2 (en) 2008-12-12 2014-07-15 Tektronix, Inc. Method and apparatus for automatic illuminant compensation in video surveillance
CN101800845B (zh) * 2010-01-06 2013-05-22 北京中科大洋科技发展股份有限公司 一种可调节的基于光滑曲线的频域滤波器设计方法
CN102647168B (zh) * 2010-10-28 2015-01-14 矽统科技股份有限公司 动态滤波装置及其方法
US8849883B2 (en) * 2011-03-23 2014-09-30 Analog Devices, Inc. Method and apparatus for adaptive control of the decimation ratio in asynchronous sample rate converters
US20130103283A1 (en) * 2011-10-19 2013-04-25 Delphi Technologies, Inc. Digital filter for an event driven engine controller having a variable sample rate
US8917932B2 (en) 2011-12-29 2014-12-23 Tektronix, Inc. Method of predicting perceptual differences between memory and directly viewed colors in video
WO2014130575A1 (en) * 2013-02-19 2014-08-28 Tektronix, Inc. Image appearance framework and applications for digital image creation and display
WO2014179489A1 (en) * 2013-05-01 2014-11-06 Starkey Laboratories, Inc. Adaptive feedback cancellation coefficients based on voltage
CN103873016B (zh) * 2014-02-24 2016-09-21 北京遥测技术研究所 一种任意采样率变换数字重构滤波器系数设计方法
US10045050B2 (en) * 2014-04-25 2018-08-07 Vid Scale, Inc. Perceptual preprocessing filter for viewing-conditions-aware video coding
DE102017212715B3 (de) * 2017-07-25 2019-01-31 Robert Bosch Gmbh Verfahren zum Verarbeiten von kontinuierlichen Sensorsignalen und Sensorsystem
CN112865753B (zh) * 2020-12-28 2023-04-07 珠海格力电器股份有限公司 一种滤波系数调整方法、装置、存储介质及滤波器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8503478A (nl) * 1985-12-18 1987-07-16 Philips Nv Coefficienten generator met fase vergrendelde lus voor een filterinrichting met niet-rationele verhouding tussen ingangs- en uitgangsbemonsterfrequentie.
JPH07307629A (ja) * 1994-05-11 1995-11-21 Asahi Kasei Micro Syst Kk トーンコントロール回路
US5928313A (en) * 1997-05-05 1999-07-27 Apple Computer, Inc. Method and apparatus for sample rate conversion
US6134570A (en) * 1997-05-12 2000-10-17 Level One Communications, Inc. Method and apparatus for efficient implementation of a multirate LMS filter
KR100244767B1 (ko) * 1997-06-25 2000-02-15 전주범 디지탈 자기 기록/재생 시스템의 선택적 동기/비동기 부분 응답 채널 데이터 검출 장치
US6310919B1 (en) * 1998-05-07 2001-10-30 Sarnoff Corporation Method and apparatus for adaptively scaling motion vector information in an information stream decoder
DE19829289C2 (de) * 1998-06-30 2001-12-06 Siemens Ag Verfahren zur Berechnung der Koeffizienten eines nichtrekursiven digitalen Filters
US6531970B2 (en) * 2001-06-07 2003-03-11 Analog Devices, Inc. Digital sample rate converters having matched group delay

Also Published As

Publication number Publication date
US6976045B2 (en) 2005-12-13
US20030031281A1 (en) 2003-02-13
JP4159318B2 (ja) 2008-10-01
CN100592627C (zh) 2010-02-24
EP1289143A2 (de) 2003-03-05
CN1407720A (zh) 2003-04-02
JP2003133909A (ja) 2003-05-09
EP1289143A3 (de) 2005-05-04
EP1289143B1 (de) 2008-12-17

Similar Documents

Publication Publication Date Title
DE60230372D1 (de) Rekursives digitales Filter mit variabler Abtastrate
DE60027063D1 (de) Filter mit erhöhtem Massendurchfluss
NO20022096L (no) Skrotsamler med sil/filter
DE60105337D1 (de) Filter mit hohem Massendurchfluss
BR0211853B1 (pt) filtro de cigarro.
DE60229068D1 (de) Filterschaltung
MX245044B (es) Composiciones de filtro solar.
DE60307942D1 (de) Digitale Rauschverminderungstechniken
DE60231620D1 (de) Filter mit verbesserten intermodulationsverzerrungerbesserten filters
DE60219848D1 (de) Infrarotfilter
BR0315742B1 (pt) conjunto de filtro.
AU2001284862A1 (en) Digital comb filter
DE69923259D1 (de) Digitaler Filter
DE60226188D1 (de) Elektronisches Filter
FR2823314B1 (fr) Microscope numerique
DE60200581D1 (de) Filterschaltung
DE60233551D1 (de) Mikrowellenofen mit Filterstruktur
DE60026943D1 (de) Digitales anstiegsfilter mit umschaltbarer bandbreite
DE60200108D1 (de) Band-Pass Filter
DE60317402D1 (de) Digitaler signalangepasster Filter
FR2844116B1 (fr) Filtre passe-bas presentant un gain variable
FR2824750B1 (fr) Element de filtre rond
FR2780830B1 (fr) Filtre decimateur surechantillonne parallele
DE60324719D1 (de) Tiefpassfilter
DE60043275D1 (de) Programmierbarer digitaler OFDM demodulator

Legal Events

Date Code Title Description
8364 No opposition during term of opposition