JPS622331B2 - - Google Patents

Info

Publication number
JPS622331B2
JPS622331B2 JP56060033A JP6003381A JPS622331B2 JP S622331 B2 JPS622331 B2 JP S622331B2 JP 56060033 A JP56060033 A JP 56060033A JP 6003381 A JP6003381 A JP 6003381A JP S622331 B2 JPS622331 B2 JP S622331B2
Authority
JP
Japan
Prior art keywords
angle
calculation
converter
bit
input
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
Application number
JP56060033A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57174742A (en
Inventor
Masayuki Takada
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP56060033A priority Critical patent/JPS57174742A/ja
Publication of JPS57174742A publication Critical patent/JPS57174742A/ja
Publication of JPS622331B2 publication Critical patent/JPS622331B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/035—Reduction of table size
    • G06F1/0353—Reduction of table size by using symmetrical properties of the function, e.g. using most significant bits for quadrant control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Complex Calculations (AREA)
JP56060033A 1981-04-21 1981-04-21 Computer Granted JPS57174742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56060033A JPS57174742A (en) 1981-04-21 1981-04-21 Computer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56060033A JPS57174742A (en) 1981-04-21 1981-04-21 Computer

Publications (2)

Publication Number Publication Date
JPS57174742A JPS57174742A (en) 1982-10-27
JPS622331B2 true JPS622331B2 (enExample) 1987-01-19

Family

ID=13130347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56060033A Granted JPS57174742A (en) 1981-04-21 1981-04-21 Computer

Country Status (1)

Country Link
JP (1) JPS57174742A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61253537A (ja) * 1985-05-02 1986-11-11 Seiko Epson Corp 角度計算器
JPS63285771A (ja) * 1987-05-18 1988-11-22 Pioneer Electronic Corp Ｔａｎ形式ｆｍ復調回路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL164403C (nl) * 1970-10-19 1980-12-15 Hollandse Signaalapparaten Bv Digitale sinus/cosinus generator.
JPS5126021A (ja) * 1974-08-27 1976-03-03 Konishiroku Photo Ind Harogenkaginshashinkankozairyo
JPS5258447A (en) * 1975-11-10 1977-05-13 Mitsubishi Electric Corp Digital type three phase function generator
JPS5347740A (en) * 1976-10-13 1978-04-28 Nec Corp Function table memory reading device
JPS5354436A (en) * 1976-10-27 1978-05-17 Nec Corp Memory reader device for function table

Also Published As

Publication number Publication date
JPS57174742A (en) 1982-10-27

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