AU5912000A - Method and system for generating a trigonometric function - Google Patents

Method and system for generating a trigonometric function

Info

Publication number
AU5912000A
AU5912000A AU59120/00A AU5912000A AU5912000A AU 5912000 A AU5912000 A AU 5912000A AU 59120/00 A AU59120/00 A AU 59120/00A AU 5912000 A AU5912000 A AU 5912000A AU 5912000 A AU5912000 A AU 5912000A
Authority
AU
Australia
Prior art keywords
generating
trigonometric function
trigonometric
function
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.)
Abandoned
Application number
AU59120/00A
Other languages
English (en)
Inventor
Thad J. Genrich
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.)
Raytheon Co
Original Assignee
Raytheon 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 Raytheon Co filed Critical Raytheon Co
Publication of AU5912000A publication Critical patent/AU5912000A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F1/0356—Reduction of table size by using two or more smaller tables, e.g. addressed by parts of the argument
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2101/00—Indexing scheme relating to the type of digital function generated
    • G06F2101/04—Trigonometric functions
AU59120/00A 1999-07-27 2000-07-03 Method and system for generating a trigonometric function Abandoned AU5912000A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/361,917 US6640237B1 (en) 1999-07-27 1999-07-27 Method and system for generating a trigonometric function
US09361917 1999-07-27
PCT/US2000/018334 WO2001007992A1 (en) 1999-07-27 2000-07-03 Method and system for generating a trigonometric function

Publications (1)

Publication Number Publication Date
AU5912000A true AU5912000A (en) 2001-02-13

Family

ID=23423923

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59120/00A Abandoned AU5912000A (en) 1999-07-27 2000-07-03 Method and system for generating a trigonometric function

Country Status (3)

Country Link
US (1) US6640237B1 (US06640237-20031028-M00001.png)
AU (1) AU5912000A (US06640237-20031028-M00001.png)
WO (1) WO2001007992A1 (US06640237-20031028-M00001.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7240083B1 (en) 2001-10-01 2007-07-03 Thiagarajan Ganesan Precision complex sinusoid generation using limited processing
US6981011B1 (en) * 2001-10-01 2005-12-27 Durham Logistics Llc Precision complex sinusoid generation using limited processing
US7007052B2 (en) * 2001-10-30 2006-02-28 Texas Instruments Incorporated Efficient real-time computation
US7185036B1 (en) * 2002-05-03 2007-02-27 Atheros Communications, Inc. Look up table based upsampling and digital filtering
US20030229658A1 (en) * 2002-06-06 2003-12-11 Guidry David W. Method of pattern lossless compression
US7314669B2 (en) * 2003-02-05 2008-01-01 Pechiney Emballage Flexible Europe Easy peel film structures
US7440987B1 (en) * 2003-02-25 2008-10-21 Qualcomm Incorporated 16 bit quadrature direct digital frequency synthesizer using interpolative angle rotation
US20060253511A1 (en) * 2005-05-06 2006-11-09 Harris Corporation RF broadcasting employing sinusoidal-cosine wave generation with plural look-up tables
IL176652A0 (en) * 2006-06-29 2007-08-19 Elisra Electronic Systems Ltd Phase-coherent signal generator
US20110055303A1 (en) * 2009-09-03 2011-03-03 Azuray Technologies, Inc. Function Generator
TWI417785B (zh) * 2010-10-26 2013-12-01 Univ Nat Chiao Tung 低延遲時間之餘切硬體結構及其計算方法
WO2016179648A1 (en) * 2015-05-08 2016-11-17 Barratt Lachlan Controlling dynamic values in digital signals
CN105138305B (zh) 2015-09-25 2018-11-27 上海兆芯集成电路有限公司 高精度的三角函数计算方法以及装置
US9875084B2 (en) 2016-04-28 2018-01-23 Vivante Corporation Calculating trigonometric functions using a four input dot product circuit
US10740432B1 (en) * 2018-12-13 2020-08-11 Amazon Technologies, Inc. Hardware implementation of mathematical functions
JP7262028B2 (ja) * 2019-07-01 2023-04-21 ラピスセミコンダクタ株式会社 三角関数演算装置

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969615A (en) 1974-12-20 1976-07-13 The United States Of America As Represented By The United States Energy Research And Development Administration Interpolator for numerically controlled machine tools
US4077063A (en) * 1976-08-11 1978-02-28 The Singer Company Apparatus for rapidly determining the trigonometric functions of an input angle
US4486846A (en) 1982-06-28 1984-12-04 Motorola Inc. Numerically controlled oscillator using quadrant replication and function decomposition
US4482974A (en) 1982-08-13 1984-11-13 Hewlett-Packard Company Apparatus and method of phase-to-amplitude conversion in a sine function generator
JPH0631990B2 (ja) 1984-01-07 1994-04-27 カシオ計算機株式会社 波形の補間装置
JPS62502576A (ja) 1985-04-22 1987-10-01 アメリカン テレフオン アンド テレグラフ カムパニ− 高速正弦および余弦発生装置
US4787058A (en) 1985-09-13 1988-11-22 Rockwell International Corporation Synthetic quadrature generating apparatus
US4809205A (en) * 1986-11-19 1989-02-28 Rockwell International Corporation Digital sine conversion circuit for use in direct digital synthesizers
EP0343273B1 (de) 1988-05-27 1994-04-27 Deutsche ITT Industries GmbH Korrekturschaltung für ein digitales Quadratur-Signalpaar
DE3911486A1 (de) 1989-04-08 1990-10-11 Ant Nachrichtentech Schaltungsanordnung zur kompensation einer offsetspannung und verwendung dieser schaltungsanordnung
GB8918337D0 (en) * 1989-08-11 1989-09-20 British Telecomm Digital signal processing
US4975699A (en) * 1989-12-01 1990-12-04 Hughes Aircraft Company Error reduction method and apparatus for a direct digital synthesizer
US5027087A (en) 1990-02-02 1991-06-25 Motorola, Inc. Fast-switching frequency synthesizer
US5113361A (en) 1990-08-02 1992-05-12 Harris Corporation Sin/cos generator implementation
DE4040299A1 (de) 1990-12-17 1992-06-25 Philips Patentverwaltung Schaltungsanordnung zur taktumsetzung eines digitalen signals
US5111162A (en) 1991-05-03 1992-05-05 Motorola, Inc. Digital frequency synthesizer having AFC and modulation applied to frequency divider
US5249204A (en) 1991-08-12 1993-09-28 Motorola, Inc. Circuit and method for phase error correction in a digital receiver
US5315620A (en) 1992-05-01 1994-05-24 Grumman Aerospace Corporation Arrangement for correction of synchronous demodulator quadrature phase errors
US5276633A (en) 1992-08-14 1994-01-04 Harris Corporation Sine/cosine generator and method
US5517529A (en) 1993-10-18 1996-05-14 Westinghouse Electric Corp. UHF/L-Band monolithic direct digital receiver
ATE198966T1 (de) 1994-04-21 2001-02-15 Ericsson Inc Reduzierung von oszillator- verursachterinterferenz in elektronische geräte
CA2160045C (en) 1994-10-13 1999-04-27 Thad J. Genrich Parallel cascaded integrator-comb filter
US5483203A (en) 1994-11-01 1996-01-09 Motorola, Inc. Frequency synthesizer having modulation deviation correction via presteering stimulus
US5504751A (en) 1994-11-07 1996-04-02 Motorola Inc. Method and apparatus for extracting digital information from an asynchronous data stream
FI98420C (fi) 1995-01-24 1997-06-10 Nokia Mobile Phones Ltd Menetelmä ja kytkentä moduloidun signaalin muodostamiseksi lähetin/vastaanottimessa
US5790601A (en) 1995-02-21 1998-08-04 Hughes Electronics Low cost very small aperture satellite terminal
US5697068A (en) 1995-06-15 1997-12-09 Motorola, Inc. System and method for providing a non-invasively tunable transceiver synthesizer
US5815117A (en) 1997-01-02 1998-09-29 Raytheon Company Digital direction finding receiver
US5894592A (en) 1997-04-17 1999-04-13 Motorala, Inc. Wideband frequency synthesizer for direct conversion transceiver
US6055280A (en) 1997-06-27 2000-04-25 Raytheon Company High data rate digital demodulator and bit synchronizer
DE19727810C1 (de) 1997-06-30 1999-02-18 Siemens Ag Hochfrequenz-Signalgenerator
US6590942B1 (en) 1997-11-03 2003-07-08 Harris Corporation Least squares phase fit as frequency estimate
CN1115787C (zh) 1997-12-09 2003-07-23 皇家菲利浦电子有限公司 包含一个压控振荡器的发射机
US6128357A (en) 1997-12-24 2000-10-03 Mitsubishi Electric Information Technology Center America, Inc (Ita) Data receiver having variable rate symbol timing recovery with non-synchronized sampling
KR100611245B1 (ko) 1998-03-20 2006-08-10 코닌클리케 필립스 일렉트로닉스 엔.브이. 클럭 신호 생성기를 구비하는 수신기및 수신기를 동조하는 방법
US6028493A (en) 1998-04-21 2000-02-22 National Semiconductor Corporation Elimination of bandpass filter after quadrature modulator in modulation synthesizer circuit
US6298093B1 (en) 1999-08-05 2001-10-02 Raytheon Company Apparatus and method for phase and frequency digital modulation

Also Published As

Publication number Publication date
US6640237B1 (en) 2003-10-28
WO2001007992A1 (en) 2001-02-01

Similar Documents

Publication Publication Date Title
AU1847101A (en) Method and system for generating a secure electronic signature
AU7331700A (en) Software rehosting system and method
AU2001227600A1 (en) System and method for flexible software linking
AU2001284717A1 (en) System and method for generating a meal plan
AU3728200A (en) System and method for generating band-limited quasi-sinusoidal signals
AU4041200A (en) A method and system for developing technical configurations
AU4846400A (en) Wiring system and method therefor
AU2466901A (en) A method and system for reducing lexical ambiguity
AU2735901A (en) Method and system for an efficient operating environment in a real-time navigation system
AU6098700A (en) System and method for generating fictitious content for a computer
AU7925100A (en) A method and system for software updating
AU1241401A (en) Method and radiation generating system using microtargets
AU3598500A (en) System and method for generating recovery code
AU5912000A (en) Method and system for generating a trigonometric function
AU4033700A (en) A system and method for the construction of data
AU4976600A (en) A coherent object system architecture
AU2742200A (en) System and method for generating dependent data
AU6042800A (en) Method of integrating an application in a computerized system
AU7295400A (en) A method and a system for positioning a transmitter
AU4236100A (en) Method and system for serving software applications
AU1803401A (en) Methods and systems for generating tractograms
AU5937100A (en) System and method for providing a trusted third party clock and trusted local clock
AU2001239863A1 (en) System and method for implementing a project facility
AU6835400A (en) A method and system for electronic messaging
AU5283500A (en) A system and method for providing newscasts

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase