[go: up one dir, main page]

ES438857A1 - Procedimiento de multiplicacion rapida de dos magnitudes co-dificadas en sistema binario y dispositivo numerico para su puesta en practica. - Google Patents

Procedimiento de multiplicacion rapida de dos magnitudes co-dificadas en sistema binario y dispositivo numerico para su puesta en practica.

Info

Publication number
ES438857A1
ES438857A1 ES438857A ES438857A ES438857A1 ES 438857 A1 ES438857 A1 ES 438857A1 ES 438857 A ES438857 A ES 438857A ES 438857 A ES438857 A ES 438857A ES 438857 A1 ES438857 A1 ES 438857A1
Authority
ES
Spain
Prior art keywords
including conversion
operand format
fast multiplication
weight
multiplication including
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
ES438857A
Other languages
English (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.)
Jeumont Schneider SA
Original Assignee
Jeumont Schneider SA
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 Jeumont Schneider SA filed Critical Jeumont Schneider SA
Publication of ES438857A1 publication Critical patent/ES438857A1/es
Expired 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
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • G06F7/487—Multiplying; Dividing
    • G06F7/4876—Multiplying
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/15—Correlation function computation including computation of convolution operations
    • 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
    • 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
    • H03H17/023—Measures concerning the coefficients reducing the wordlength, the possible values of 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
    • H03H17/06—Non-recursive filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Data Mining & Analysis (AREA)
  • Nonlinear Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Complex Calculations (AREA)
ES438857A 1974-06-28 1975-06-25 Procedimiento de multiplicacion rapida de dos magnitudes co-dificadas en sistema binario y dispositivo numerico para su puesta en practica. Expired ES438857A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7422575A FR2276635A1 (fr) 1974-06-28 1974-06-28 Multiplieur numerique rapide et ses applications

Publications (1)

Publication Number Publication Date
ES438857A1 true ES438857A1 (es) 1977-04-16

Family

ID=9140643

Family Applications (1)

Application Number Title Priority Date Filing Date
ES438857A Expired ES438857A1 (es) 1974-06-28 1975-06-25 Procedimiento de multiplicacion rapida de dos magnitudes co-dificadas en sistema binario y dispositivo numerico para su puesta en practica.

Country Status (9)

Country Link
US (1) US4031378A (es)
BE (1) BE830651A (es)
DE (1) DE2527153A1 (es)
ES (1) ES438857A1 (es)
FR (1) FR2276635A1 (es)
GB (1) GB1519003A (es)
IT (1) IT1040736B (es)
LU (1) LU72832A1 (es)
NL (1) NL7507303A (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1089569A (en) * 1978-04-18 1980-11-11 Ernst A. Munter Binary multiplier circuit including coding circuit
GB2075299B (en) * 1980-04-22 1983-10-19 Casio Computer Co Ltd Digital filter device
GB2115190B (en) * 1982-02-10 1985-11-20 Singer Co Data word normalisation
US4561065A (en) * 1982-02-23 1985-12-24 Tokyo Shibaura Denki Kabushiki Kaisha Arithmetic processing device using sampled input data and several previous output data
NL8203520A (nl) * 1982-09-10 1984-04-02 Philips Nv Digitale filterinrichting.
JP2544326B2 (ja) * 1984-11-14 1996-10-16 ソニー株式会社 ディジタルフィルタ
US4691293A (en) * 1984-12-28 1987-09-01 Ford Aerospace & Communications Corporation High frequency, wide range FIR filter
FR2618925B1 (fr) * 1987-07-30 1989-12-15 Rault Jean Dispositif de calcul numerique pour installation de transmission de donnees en code 2b 1q ou analogue
DE3841268A1 (de) * 1988-12-08 1990-06-13 Thomson Brandt Gmbh Digitales filter
US5479454A (en) * 1993-09-21 1995-12-26 Genesis Microchip Inc. Digital filter with improved numerical precision
US6707460B1 (en) * 2000-05-18 2004-03-16 S3 Graphics Co., Ltd. Fast and cheap correct resolution conversion for digital numbers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814924A (en) * 1973-03-12 1974-06-04 Control Data Corp Pipeline binary multiplier
US3831012A (en) * 1973-03-28 1974-08-20 Control Data Corp Normalize shift count network
US3885141A (en) * 1974-02-06 1975-05-20 Bell Telephone Labor Inc Modular pipeline multiplier to generate a rounded product

Also Published As

Publication number Publication date
DE2527153A1 (de) 1976-01-15
IT1040736B (it) 1979-12-20
FR2276635A1 (fr) 1976-01-23
US4031378A (en) 1977-06-21
NL7507303A (nl) 1975-12-30
BE830651A (fr) 1975-10-16
FR2276635B1 (es) 1976-12-24
LU72832A1 (es) 1975-10-08
GB1519003A (en) 1978-07-26

Similar Documents

Publication Publication Date Title
GB2019622B (en) Digital computing apparatus
HK27980A (en) Method of spacing reinforcement members
JPS5316608A (en) Method of converting signal
YU188475A (en) Process for preparing aclacynomycin a and b
IT1031167B (it) Fessaggio di terminali per apparati a induzione e metodi per fare il medesimo
ES438857A1 (es) Procedimiento de multiplicacion rapida de dos magnitudes co-dificadas en sistema binario y dispositivo numerico para su puesta en practica.
CA1014987A (en) Value computing scale
ZA754607B (en) A generating plant and a method of starting up same
PH12798A (en) 8-hydroxyamino benzazocines and process
ZA742375B (en) Improvements relating to reactive sputtering apparatus and cathode elements therefor
ZA755285B (en) Transfer elements and process
ZA753849B (en) Transfer elements and method of preparing same
GB1541656A (en) Frequency to digital converter
AU8410075A (en) Process for preparing 6-chloro-2-chloro 2-chloromethyl-4-phenyquinazoline-3-oxide and intermediates therefor
ZA755870B (en) Processing of printing plates
ZHIMERIN The theory and practice of forecasting the development for science and technology in the member countries of COMECON
ZA751414B (en) 1-n-(alpha-hydroxy-beta-aminopropionyl) xk-62-2 and method of production thereof
JPS5341935A (en) Arithmetic display system
JPS5356062A (en) Method and apparatus for transforming frequency or period proportional to transferring stroke into digital output having nonnlinear relation
JPS553010A (en) Real time digital integrator
AU218194B2 (en) Improvements in or relating to electronic digital calculating equipment
AU210257B2 (en) Improvements in or relating to electronic digital calculating equipment
AU209971B2 (en) Improvements in or relating to electronic digital calculating equipment
AU496920B2 (en) Value computing scale
AU485954B2 (en) Value computing scale