ATE443267T1 - Verfahren und vorrichtung zur frequenzschätzung - Google Patents

Verfahren und vorrichtung zur frequenzschätzung

Info

Publication number
ATE443267T1
ATE443267T1 AT07002105T AT07002105T ATE443267T1 AT E443267 T1 ATE443267 T1 AT E443267T1 AT 07002105 T AT07002105 T AT 07002105T AT 07002105 T AT07002105 T AT 07002105T AT E443267 T1 ATE443267 T1 AT E443267T1
Authority
AT
Austria
Prior art keywords
signal
time
frequency
discrete
transformed signal
Prior art date
Application number
AT07002105T
Other languages
English (en)
Inventor
Presti Letizia Lo
Daniele Borio
Laura Camoriano
Pero Emanuele Del
Elisabetta Grignani
Original Assignee
Fondazione Torino Wireless
Torino Politecnico
Ist Superiore Mario Boella
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 Fondazione Torino Wireless, Torino Politecnico, Ist Superiore Mario Boella filed Critical Fondazione Torino Wireless
Application granted granted Critical
Publication of ATE443267T1 publication Critical patent/ATE443267T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
    • 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
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70715—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with application-specific features

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Algebra (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Discrete Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
AT07002105T 2006-04-21 2007-01-31 Verfahren und vorrichtung zur frequenzschätzung ATE443267T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20060008339 EP1847837A1 (de) 2006-04-21 2006-04-21 Verfahren und Vorrichtung zur Frequenzschätzung

Publications (1)

Publication Number Publication Date
ATE443267T1 true ATE443267T1 (de) 2009-10-15

Family

ID=36950051

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07002105T ATE443267T1 (de) 2006-04-21 2007-01-31 Verfahren und vorrichtung zur frequenzschätzung

Country Status (3)

Country Link
EP (2) EP1847837A1 (de)
AT (1) ATE443267T1 (de)
DE (1) DE602007002437D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007037060B4 (de) 2007-08-03 2023-05-04 Siemens Aktiengesellschaft Verfahren zum Ermitteln einer Netzfrequenz in einem Spannungssignal sowie Netzanalysegerät
FR3055417B1 (fr) * 2016-08-24 2020-10-02 Schneider Electric Ind Sas Determination de la frequence d'un signal alternatif
CN112964929A (zh) * 2021-01-14 2021-06-15 中国空气动力研究与发展中心设备设计与测试技术研究所 含噪多频衰减信号参数估计新算法
CN113219243B (zh) * 2021-04-27 2021-12-31 电子科技大学 一种校正频率搜索间隔量化误差的高精度测频方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5640431A (en) * 1995-03-10 1997-06-17 Motorola, Inc. Method and apparatus for offset frequency estimation for a coherent receiver
US6633255B2 (en) * 1995-10-09 2003-10-14 Qualcomm Inc. Method for open loop tracking GPS signals
US6909736B2 (en) * 2000-12-14 2005-06-21 Nokia Corporation System for method for fine acquisition of a spread spectrum signal

Also Published As

Publication number Publication date
DE602007002437D1 (de) 2009-10-29
EP1847838A1 (de) 2007-10-24
EP1847837A1 (de) 2007-10-24
EP1847838B1 (de) 2009-09-16

Similar Documents

Publication Publication Date Title
DE602006006024D1 (de) Verfahren und vorrichtung für netzkommunikation
DE602006013804D1 (de) Vorrichtung und verfahren zur bestimmung des sleep-takt-timing
MX2010008288A (es) Metodo y aparato para estimar energia de banda alta en un sistema de extension de ancho de banda.
ATE484755T1 (de) Verfahren und einrichtung zur vorhersage eines zustands eines stromversorgungssystems im zeitbereich
WO2007087485A3 (en) Method and apparatus for photographic measurement
ATE479152T1 (de) Analytisches verfahren und instrument
WO2006102058A3 (en) Apparatus and method for frequency-domain optical coherence tomography
EP1884876A3 (de) Systeme und Verfahren zur Transformation aus dem Zeitbereich ins Frequenzbereich mittels Frequenzverschiebung
ATE546964T1 (de) Vorrichtung zur fusionierung räumlicher audioströme
DE602008003301D1 (de) Verfahren und Anordnung zur Einschätzung des IQ-Ungleichgewichts
ATE479075T1 (de) Verfahren und vorrichtung zur routenbestimmung
ATE443267T1 (de) Verfahren und vorrichtung zur frequenzschätzung
ATE527795T1 (de) Verfahren und system zur schätzung eines symbolzeitfehlers in einem breitband- übertragungssystem
ATE546004T1 (de) Bestimmung eines anfangspunktes des fft fensters in einem ofdm empfänger
TW200733656A (en) Filter equalization using magnitude measurement data
WO2009147793A3 (en) Self-calibrating modulator apparatuses and methods
ATE322693T1 (de) Verfahren und vorrichtung zur leitungsdämpfungsmessung
DE602004001564D1 (de) Werkzeug zur Qualitätserfassung
DE60307469D1 (de) Verfahren und vorrichtung zur gleichzeitigen schätzung des frequenzversatzes und modulationsindex
ATE441122T1 (de) Verfahren und vorrichtung zur steuerung einer frequenzquelle
DE602005004276D1 (de) Für unregelmäßiges Abtasten geeignetes Verfahren und Vorrichtung zur Spektralschätzung
FR2885434B1 (fr) Procede d'estimation de la phase d'un mouvement d'un objet
ATE441839T1 (de) Verfahren zum ermitteln der phase und stärke eines schwachen, ultrakurzen optischen impulses mittels eines stärkeren, unbekannten impulses
ATE456065T1 (de) Vorrichtung und verfahren zur verzögerungsschätzung
NL1029260A1 (nl) Inrichting om ruis in een beeldsignaal te meten en werkwijze daarvoor.

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties