GB8808025D0 - Recursive processor - Google Patents

Recursive processor

Info

Publication number
GB8808025D0
GB8808025D0 GB888808025A GB8808025A GB8808025D0 GB 8808025 D0 GB8808025 D0 GB 8808025D0 GB 888808025 A GB888808025 A GB 888808025A GB 8808025 A GB8808025 A GB 8808025A GB 8808025 D0 GB8808025 D0 GB 8808025D0
Authority
GB
United Kingdom
Prior art keywords
recursive processor
recursive
processor
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
GB888808025A
Other versions
GB2218545B (en
GB2218545A (en
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB8808025A priority Critical patent/GB2218545B/en
Publication of GB8808025D0 publication Critical patent/GB8808025D0/en
Priority to CA000595711A priority patent/CA1311062C/en
Priority to GB8913525A priority patent/GB2230627A/en
Publication of GB2218545A publication Critical patent/GB2218545A/en
Application granted granted Critical
Publication of GB2218545B publication Critical patent/GB2218545B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/544—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices for evaluating functions by calculation
    • G06F7/5443—Sum of products
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/4824—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices using signed-digit representation
    • 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
    • H03H17/0225—Measures concerning the multipliers
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/3808—Details concerning the type of numbers or the way they are handled
    • G06F2207/3852—Calculation with most significant digit first
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/386—Special constructional features
    • G06F2207/388—Skewing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/386—Special constructional features
    • G06F2207/3884—Pipelining
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49905—Exception handling
    • G06F7/4991—Overflow or underflow

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
GB8808025A 1988-04-06 1988-04-06 Recursive processor Expired - Lifetime GB2218545B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8808025A GB2218545B (en) 1988-04-06 1988-04-06 Recursive processor
CA000595711A CA1311062C (en) 1988-04-06 1989-04-05 Processor suitable for recursive computations
GB8913525A GB2230627A (en) 1988-04-06 1989-06-13 Recursive processor for multiplication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8808025A GB2218545B (en) 1988-04-06 1988-04-06 Recursive processor

Publications (3)

Publication Number Publication Date
GB8808025D0 true GB8808025D0 (en) 1988-05-05
GB2218545A GB2218545A (en) 1989-11-15
GB2218545B GB2218545B (en) 1992-07-15

Family

ID=10634646

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8808025A Expired - Lifetime GB2218545B (en) 1988-04-06 1988-04-06 Recursive processor
GB8913525A Withdrawn GB2230627A (en) 1988-04-06 1989-06-13 Recursive processor for multiplication

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8913525A Withdrawn GB2230627A (en) 1988-04-06 1989-06-13 Recursive processor for multiplication

Country Status (2)

Country Link
CA (1) CA1311062C (en)
GB (2) GB2218545B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68925649T2 (en) * 1989-05-17 1996-06-13 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland, Whitehall, London PROCESSOR SUITABLE FOR RECURSIVE CALCULATIONS
GB2269036B (en) * 1989-05-17 1994-04-06 Secr Defence Processor suitable for recurisive computations
GB2232796A (en) * 1989-06-13 1990-12-19 Secr Defence Processor for recursive computations
GB9007521D0 (en) * 1990-04-03 1990-05-30 Univ Belfast A signal processor
US7411444B2 (en) 2003-11-13 2008-08-12 Texas Instruments Incorporated Technique for improving antialiasing and adjacent channel interference filtering using cascaded passive IIR filter stages combined with direct sampling and mixing

Also Published As

Publication number Publication date
GB2218545B (en) 1992-07-15
GB2230627A (en) 1990-10-24
GB8913525D0 (en) 1989-08-02
CA1311062C (en) 1992-12-01
GB2218545A (en) 1989-11-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee