FR2632088B1 - Multiplieur de nombres complexes - Google Patents

Multiplieur de nombres complexes

Info

Publication number
FR2632088B1
FR2632088B1 FR8906124A FR8906124A FR2632088B1 FR 2632088 B1 FR2632088 B1 FR 2632088B1 FR 8906124 A FR8906124 A FR 8906124A FR 8906124 A FR8906124 A FR 8906124A FR 2632088 B1 FR2632088 B1 FR 2632088B1
Authority
FR
France
Prior art keywords
multiplier
complex numbers
numbers
complex
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 - Lifetime
Application number
FR8906124A
Other languages
English (en)
Other versions
FR2632088A1 (fr
Inventor
O'donnell Matthew
Engeler William Ernest
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2632088A1 publication Critical patent/FR2632088A1/fr
Application granted granted Critical
Publication of FR2632088B1 publication Critical patent/FR2632088B1/fr
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
    • G06F7/49—Computations with a radix, other than binary, 8, 16 or decimal, e.g. ternary, negative or imaginary radices, mixed radix non-linear PCM
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • 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
    • G06F7/4806—Computations with complex numbers
    • G06F7/4812—Complex multiplication
    • 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
    • G06F7/4806—Computations with complex numbers
    • G06F7/4818—Computations with complex numbers using coordinate rotation digital computer [CORDIC]
    • 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
    • G06F7/5446—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 using crossaddition algorithms, e.g. CORDIC
FR8906124A 1988-05-31 1989-05-10 Multiplieur de nombres complexes Expired - Lifetime FR2632088B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/200,491 US4896287A (en) 1988-05-31 1988-05-31 Cordic complex multiplier

Publications (2)

Publication Number Publication Date
FR2632088A1 FR2632088A1 (fr) 1989-12-01
FR2632088B1 true FR2632088B1 (fr) 1994-08-26

Family

ID=22741948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8906124A Expired - Lifetime FR2632088B1 (fr) 1988-05-31 1989-05-10 Multiplieur de nombres complexes

Country Status (7)

Country Link
US (1) US4896287A (fr)
JP (1) JP3283504B2 (fr)
KR (1) KR0146334B1 (fr)
CN (1) CN1017283B (fr)
DE (1) DE3917059A1 (fr)
FR (1) FR2632088B1 (fr)
GB (1) GB2220090B (fr)

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US5675554A (en) * 1994-08-05 1997-10-07 Acuson Corporation Method and apparatus for transmit beamformer
US5928152A (en) * 1994-08-05 1999-07-27 Acuson Corporation Method and apparatus for a baseband processor of a receive beamformer system
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US6452961B1 (en) 2000-09-12 2002-09-17 Interstate Electronics Corporation Massively paralleled sequential test algorithm
US6466958B1 (en) 2000-09-12 2002-10-15 Interstate Electronics Corporation, A Division Of L3 Communications Corporation Parallel frequency searching in an acquisition correlator
JP2004509358A (ja) * 2000-09-18 2004-03-25 スカイビッツ，インコーポレイテッド Ｇｐｓ受信機におけるコード位相ならびにキャリア周波数の高速捕捉システム並びに方法
JP3870105B2 (ja) * 2002-02-22 2007-01-17 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 逆投影方法およびｘ線ｃｔ装置
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US7889787B2 (en) * 2003-08-04 2011-02-15 Supertex, Inc. Ultrasound transmit beamformer integrated circuit and method
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CN110178321B (zh) * 2017-01-17 2021-05-18 华为技术有限公司 信号发射方法及装置、发射机、信号传输系统
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Also Published As

Publication number Publication date
US4896287A (en) 1990-01-23
CN1017283B (zh) 1992-07-01
JP3283504B2 (ja) 2002-05-20
KR0146334B1 (ko) 1998-09-15
CN1045879A (zh) 1990-10-03
JPH0229821A (ja) 1990-01-31
DE3917059A1 (de) 1989-12-07
GB2220090A (en) 1989-12-28
GB2220090B (en) 1992-12-09
FR2632088A1 (fr) 1989-12-01
KR890017608A (ko) 1989-12-16
GB8912385D0 (en) 1989-07-12

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