JPS56137724A - Digital filter device - Google Patents

Digital filter device

Info

Publication number
JPS56137724A
JPS56137724A JP3998080A JP3998080A JPS56137724A JP S56137724 A JPS56137724 A JP S56137724A JP 3998080 A JP3998080 A JP 3998080A JP 3998080 A JP3998080 A JP 3998080A JP S56137724 A JPS56137724 A JP S56137724A
Authority
JP
Japan
Prior art keywords
frequency
multiplier
coefficient
bits
filter device
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.)
Granted
Application number
JP3998080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6336573B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Shigenori Sano
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co 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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP3998080A priority Critical patent/JPS56137724A/ja
Publication of JPS56137724A publication Critical patent/JPS56137724A/ja
Publication of JPS6336573B2 publication Critical patent/JPS6336573B2/ja
Granted 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
    • H03H17/0223—Computation saving measures; Accelerating measures
    • H03H17/0227—Measures concerning the coefficients
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Complex Calculations (AREA)
JP3998080A 1980-03-28 1980-03-28 Digital filter device Granted JPS56137724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3998080A JPS56137724A (en) 1980-03-28 1980-03-28 Digital filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3998080A JPS56137724A (en) 1980-03-28 1980-03-28 Digital filter device

Publications (2)

Publication Number Publication Date
JPS56137724A true JPS56137724A (en) 1981-10-27
JPS6336573B2 JPS6336573B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-07-20

Family

ID=12568088

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3998080A Granted JPS56137724A (en) 1980-03-28 1980-03-28 Digital filter device

Country Status (1)

Country Link
JP (1) JPS56137724A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02159920A (ja) * 1988-12-08 1990-06-20 Hitachi Ltd 保護リレー装置
EP0751369A3 (de) * 1995-06-30 1997-11-26 Carl Zeiss Verfahren zur Filterung von Messwertkurven

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02159920A (ja) * 1988-12-08 1990-06-20 Hitachi Ltd 保護リレー装置
EP0751369A3 (de) * 1995-06-30 1997-11-26 Carl Zeiss Verfahren zur Filterung von Messwertkurven

Also Published As

Publication number Publication date
JPS6336573B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-07-20

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