JPS5360539A - Digital filter - Google Patents

Digital filter

Info

Publication number
JPS5360539A
JPS5360539A JP13533876A JP13533876A JPS5360539A JP S5360539 A JPS5360539 A JP S5360539A JP 13533876 A JP13533876 A JP 13533876A JP 13533876 A JP13533876 A JP 13533876A JP S5360539 A JPS5360539 A JP S5360539A
Authority
JP
Japan
Prior art keywords
digital filter
subtracter
multiplier
adder
improving
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.)
Pending
Application number
JP13533876A
Other languages
Japanese (ja)
Inventor
Masachika Miyata
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13533876A priority Critical patent/JPS5360539A/en
Publication of JPS5360539A publication Critical patent/JPS5360539A/en
Pending 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
    • H03H17/04—Recursive filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Filters That Use Time-Delay Elements (AREA)

Abstract

PURPOSE:An adder or subtracter is inserted into at least one input stage of the integral coefficient frequency sampling filter which is connected in series, and this output is fed back to the other input via a delay element and multiplier, thereby improving its characteristics.
JP13533876A 1976-11-12 1976-11-12 Digital filter Pending JPS5360539A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13533876A JPS5360539A (en) 1976-11-12 1976-11-12 Digital filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13533876A JPS5360539A (en) 1976-11-12 1976-11-12 Digital filter

Publications (1)

Publication Number Publication Date
JPS5360539A true JPS5360539A (en) 1978-05-31

Family

ID=15149424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13533876A Pending JPS5360539A (en) 1976-11-12 1976-11-12 Digital filter

Country Status (1)

Country Link
JP (1) JPS5360539A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6243205A (en) * 1985-08-21 1987-02-25 Hitachi Ltd Thinning filter
JPS6251820A (en) * 1985-08-28 1987-03-06 プレツシ−　オ−バ−シ−ズ　リミテツド Digital filter
CN109151672A (en) * 2018-09-19 2019-01-04 西安交通大学 Audio source tracking system and its control method based on array microphone

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6243205A (en) * 1985-08-21 1987-02-25 Hitachi Ltd Thinning filter
JPS6251820A (en) * 1985-08-28 1987-03-06 プレツシ−　オ−バ−シ−ズ　リミテツド Digital filter
CN109151672A (en) * 2018-09-19 2019-01-04 西安交通大学 Audio source tracking system and its control method based on array microphone

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