SE0201686L - Improved method for fast frequency determination using the RLS method - Google Patents

Improved method for fast frequency determination using the RLS method

Info

Publication number
SE0201686L
SE0201686L SE0201686A SE0201686A SE0201686L SE 0201686 L SE0201686 L SE 0201686L SE 0201686 A SE0201686 A SE 0201686A SE 0201686 A SE0201686 A SE 0201686A SE 0201686 L SE0201686 L SE 0201686L
Authority
SE
Sweden
Prior art keywords
rls
fast frequency
frequency determination
formula
improved method
Prior art date
Application number
SE0201686A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE0201686D0 (en
Inventor
Katarina Baernstroem
Original Assignee
Totalfoersvarets Forskningsins
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 Totalfoersvarets Forskningsins filed Critical Totalfoersvarets Forskningsins
Priority to SE0201686A priority Critical patent/SE0201686L/en
Publication of SE0201686D0 publication Critical patent/SE0201686D0/en
Priority to PCT/SE2003/000905 priority patent/WO2003102605A1/en
Priority to AU2003242061A priority patent/AU2003242061A1/en
Publication of SE0201686L publication Critical patent/SE0201686L/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation

Abstract

A method for fast frequency estimation by calculating using the RLS method (Formula I), where (Formula II). The method is characterised in that the iterations in the calculation of pi are eliminated by pi being rewritten as (Formula III) and its second fraction being approximated by the Taylor expansion about points of the form 2<n>-1 with the intervals u selected so that the approximation becomes a monotonously decreasing function.
SE0201686A 2002-06-04 2002-06-04 Improved method for fast frequency determination using the RLS method SE0201686L (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0201686A SE0201686L (en) 2002-06-04 2002-06-04 Improved method for fast frequency determination using the RLS method
PCT/SE2003/000905 WO2003102605A1 (en) 2002-06-04 2003-06-04 Method for fast frequency estimation by means of the rls method
AU2003242061A AU2003242061A1 (en) 2002-06-04 2003-06-04 Method for fast frequency estimation by means of the rls method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0201686A SE0201686L (en) 2002-06-04 2002-06-04 Improved method for fast frequency determination using the RLS method

Publications (2)

Publication Number Publication Date
SE0201686D0 SE0201686D0 (en) 2002-06-04
SE0201686L true SE0201686L (en) 2003-12-05

Family

ID=20288062

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0201686A SE0201686L (en) 2002-06-04 2002-06-04 Improved method for fast frequency determination using the RLS method

Country Status (3)

Country Link
AU (1) AU2003242061A1 (en)
SE (1) SE0201686L (en)
WO (1) WO2003102605A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3017715B1 (en) * 2014-02-20 2017-06-16 Schneider Electric Ind Sas DETECTION OF A DEFECT, PARTICULARLY TRANSIENT, IN AN ELECTRICAL NETWORK.
CN103983847B (en) * 2014-06-12 2016-10-05 福州大学 Based on the adaptive frequency track measuring method of RLS in a kind of synchronous phasor measurement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458070B (en) * 1987-06-29 1989-02-20 Asea Ab PROCEDURE AND DEVICE OF A FREQUENCY RELAY
US5043909A (en) * 1988-12-30 1991-08-27 Hughes Aircraft Company Method and device for excess modulation detection for signal analysis
US5165051A (en) * 1990-05-15 1992-11-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Modified fast frequency acquisition via adaptive least squares algorithm
US5321642A (en) * 1991-03-20 1994-06-14 Sciteq Electronics, Inc. Source of quantized samples for synthesizing sine waves
US6154093A (en) * 1998-04-01 2000-11-28 Lucent Technologies Inc. Fast adaptive wideband power amplifier feed forward linearizer using a RLS parameter tracking algorithm

Also Published As

Publication number Publication date
WO2003102605A1 (en) 2003-12-11
SE0201686D0 (en) 2002-06-04
AU2003242061A1 (en) 2003-12-19

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