CA1311810C - Nonrecursive half-band filter - Google Patents

Nonrecursive half-band filter

Info

Publication number
CA1311810C
CA1311810C CA000559186A CA559186A CA1311810C CA 1311810 C CA1311810 C CA 1311810C CA 000559186 A CA000559186 A CA 000559186A CA 559186 A CA559186 A CA 559186A CA 1311810 C CA1311810 C CA 1311810C
Authority
CA
Canada
Prior art keywords
additional
signal
delay
chain
weighted
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 - Fee Related
Application number
CA000559186A
Other languages
English (en)
French (fr)
Inventor
Heinz Gockler
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.)
Bosch Telecom GmbH
Original Assignee
ANT Nachrichtentechnik GmbH
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 ANT Nachrichtentechnik GmbH filed Critical ANT Nachrichtentechnik GmbH
Application granted granted Critical
Publication of CA1311810C publication Critical patent/CA1311810C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0273—Polyphase filters
    • H03H17/0275—Polyphase filters comprising non-recursive filters
    • H03H17/0276—Polyphase filters comprising non-recursive filters having two phases
    • 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
    • H03H17/0657—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 higher than the input sampling frequency, i.e. interpolation
    • 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
    • H03H2218/00—Indexing scheme relating to details of digital filters
    • H03H2218/04—In-phase and quadrature [I/Q] signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Networks Using Active Elements (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Complex Calculations (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Fats And Perfumes (AREA)
  • Filters That Use Time-Delay Elements (AREA)
CA000559186A 1987-02-19 1988-02-18 Nonrecursive half-band filter Expired - Fee Related CA1311810C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873705209 DE3705209A1 (de) 1987-02-19 1987-02-19 Nichtrekursives halb-band-filter
DEP3705209.8 1987-02-19

Publications (1)

Publication Number Publication Date
CA1311810C true CA1311810C (en) 1992-12-22

Family

ID=6321283

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000559186A Expired - Fee Related CA1311810C (en) 1987-02-19 1988-02-18 Nonrecursive half-band filter

Country Status (6)

Country Link
US (1) US4953118A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0279208B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS63208315A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE98407T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1311810C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3705209A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3621737A1 (de) * 1986-06-28 1988-01-21 Ant Nachrichtentech Nichtrekursives halb-band-filter
JPH0522079A (ja) * 1991-07-12 1993-01-29 Pioneer Electron Corp 予測フイルタ
US5548542A (en) * 1992-08-14 1996-08-20 Harris Corporation Half-band filter and method
US5367476A (en) * 1993-03-16 1994-11-22 Dsc Communications Corporation Finite impulse response digital filter
DE4313772C1 (de) * 1993-04-27 1994-06-01 Ant Nachrichtentech Nichtrekursives Halb-Band-Filter
US5483474A (en) * 1993-11-15 1996-01-09 North Shore Laboratories, Inc. D-dimensional, fractional bandwidth signal processing apparatus
CA2122652C (en) * 1994-05-02 2001-02-20 Mohammad Reza Soleymani Half-band filter for a cellular group demultiplexer
DE19627788A1 (de) * 1996-07-10 1998-01-15 Bosch Gmbh Robert Umschaltbare Frequenzweiche
US6058404A (en) * 1997-04-11 2000-05-02 Texas Instruments Incorporated Apparatus and method for a class of IIR/FIR filters
KR100253304B1 (ko) * 1997-07-29 2000-04-15 김영환 레터박스필터링회로및방법
DE19801325A1 (de) * 1998-01-16 1999-07-22 Bosch Gmbh Robert Polyphasenfilter zur Abtastratenänderung und Frequenzumsetzung
US6625628B1 (en) * 1999-03-30 2003-09-23 Nec Corporation Method and apparatus for digital filter
JP3668780B2 (ja) * 2003-12-09 2005-07-06 独立行政法人産業技術総合研究所 Ｆｉｒフィルタ
US8645441B2 (en) * 2007-08-01 2014-02-04 Pentomics, Inc. Desensitized filters

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7905332A (nl) * 1979-07-09 1981-01-13 Philips Nv Decimerend, lineair phase, digital fir filter.
JPS5698022A (en) * 1980-01-07 1981-08-07 Nec Corp Difference coefficient digital filter
FR2495857B1 (fr) * 1980-08-27 1987-11-27 Petit Jean Filtre numerique recursif de surechantillonnage en arithmetique distribuee
US4423488A (en) * 1981-01-09 1983-12-27 Harris Corporation Digital filter employing PROM for storing positive and negative impulse response values
US4460890A (en) * 1982-01-21 1984-07-17 Sony Corporation Direct digital to digital sampling rate conversion, method and apparatus
ATE37972T1 (de) * 1983-07-14 1988-10-15 Ant Nachrichtentech Verfahren zur anpassung von zwei systemen mit unterschiedlicher abtastrate.
US4777612A (en) * 1983-10-05 1988-10-11 Nec Corporation Digital signal processing apparatus having a digital filter
JPS6190514A (ja) * 1984-10-11 1986-05-08 Nippon Gakki Seizo Kk 楽音信号処理装置
DE3621737A1 (de) * 1986-06-28 1988-01-21 Ant Nachrichtentech Nichtrekursives halb-band-filter
DE8706928U1 (de) * 1987-05-14 1987-08-06 ANT Nachrichtentechnik GmbH, 7150 Backnang Filterbank

Also Published As

Publication number Publication date
US4953118A (en) 1990-08-28
EP0279208A2 (de) 1988-08-24
EP0279208A3 (en) 1989-11-29
DE3705209C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-02-16
JPS63208315A (ja) 1988-08-29
ATE98407T1 (de) 1993-12-15
EP0279208B1 (de) 1993-12-08
DE3705209A1 (de) 1988-09-01

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