CA1303148C - Non-recursive half-band filter - Google Patents

Non-recursive half-band filter

Info

Publication number
CA1303148C
CA1303148C CA000559077A CA559077A CA1303148C CA 1303148 C CA1303148 C CA 1303148C CA 000559077 A CA000559077 A CA 000559077A CA 559077 A CA559077 A CA 559077A CA 1303148 C CA1303148 C CA 1303148C
Authority
CA
Canada
Prior art keywords
signal
weighted
delay member
differential
delay
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
CA000559077A
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 CA1303148C publication Critical patent/CA1303148C/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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Networks Using Active Elements (AREA)
  • Complex Calculations (AREA)
  • Filters That Use Time-Delay Elements (AREA)
CA000559077A 1987-02-19 1988-02-17 Non-recursive half-band filter Expired - Fee Related CA1303148C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3705207.1 1987-02-19
DE19873705207 DE3705207A1 (de) 1987-02-19 1987-02-19 Nichtrekursives halb-band-filter

Publications (1)

Publication Number Publication Date
CA1303148C true CA1303148C (en) 1992-06-09

Family

ID=6321282

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000559077A Expired - Fee Related CA1303148C (en) 1987-02-19 1988-02-17 Non-recursive half-band filter

Country Status (5)

Country Link
EP (1) EP0339037B1 (enrdf_load_stackoverflow)
JP (1) JPH01503346A (enrdf_load_stackoverflow)
CA (1) CA1303148C (enrdf_load_stackoverflow)
DE (1) DE3705207A1 (enrdf_load_stackoverflow)
WO (1) WO1988006380A1 (enrdf_load_stackoverflow)

Families Citing this family (4)

* 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
DE4026477A1 (de) * 1990-08-22 1992-03-05 Ant Nachrichtentech Verfahren zur aufbereitung eines digitalen frequenzmultiplexsignals sowie dessen zerlegung
DE4337135C1 (de) * 1993-10-30 1994-09-01 Ant Nachrichtentech Drop-and-Add-Multiplexer zur Umsetzung und Aufbereitung eines Frequenzmultiplexsignals
DE4444870C1 (de) * 1994-12-16 1995-10-26 Ant Nachrichtentech Demodulator für ein komplexwertiges Restseitenbandsignal

Family Cites Families (1)

* 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

Also Published As

Publication number Publication date
WO1988006380A1 (en) 1988-08-25
DE3705207A1 (de) 1988-09-01
EP0339037B1 (de) 1993-02-17
EP0339037A1 (de) 1989-11-02
DE3705207C2 (enrdf_load_stackoverflow) 1989-04-06
JPH01503346A (ja) 1989-11-09

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