[go: up one dir, main page]

BR9601239A - Synchronization stage in a radio receiver and the process of retrieving time and evaluating the frequency of a variation of trigger time received - Google Patents

Synchronization stage in a radio receiver and the process of retrieving time and evaluating the frequency of a variation of trigger time received

Info

Publication number
BR9601239A
BR9601239A BR9601239A BR9601239A BR9601239A BR 9601239 A BR9601239 A BR 9601239A BR 9601239 A BR9601239 A BR 9601239A BR 9601239 A BR9601239 A BR 9601239A BR 9601239 A BR9601239 A BR 9601239A
Authority
BR
Brazil
Prior art keywords
evaluating
variation
frequency
radio receiver
time
Prior art date
Application number
BR9601239A
Other languages
Portuguese (pt)
Inventor
Darjusz Andrzeg Blasiak
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of BR9601239A publication Critical patent/BR9601239A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals
    • G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BR9601239A 1995-04-19 1996-04-02 Synchronization stage in a radio receiver and the process of retrieving time and evaluating the frequency of a variation of trigger time received BR9601239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42497495A 1995-04-19 1995-04-19

Publications (1)

Publication Number Publication Date
BR9601239A true BR9601239A (en) 1998-01-06

Family

ID=23684646

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9601239A BR9601239A (en) 1995-04-19 1996-04-02 Synchronization stage in a radio receiver and the process of retrieving time and evaluating the frequency of a variation of trigger time received

Country Status (7)

Country Link
JP (1) JPH08307408A (en)
KR (1) KR960039712A (en)
CN (1) CN1139321A (en)
AU (1) AU4574596A (en)
BR (1) BR9601239A (en)
DE (1) DE19609504A1 (en)
GB (1) GB2300093B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2306085B (en) * 1995-10-02 1999-11-03 Secr Defence Digital communication system
CA2214163C (en) * 1996-09-27 2001-07-31 Nec Corporation Method and apparatus for preamble-less demodulation
JP2988398B2 (en) * 1996-11-27 1999-12-13 日本電気株式会社 Unique word differential detection system and demodulator
JP3504470B2 (en) * 1997-09-18 2004-03-08 日本放送協会 AFC circuit, carrier regeneration circuit and receiving device
US6226336B1 (en) * 1998-02-20 2001-05-01 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for detecting a frequency synchronization signal
JP2000078218A (en) * 1998-08-31 2000-03-14 Kenwood Corp Carrier recovery circuit
DE19844739C2 (en) * 1998-09-29 2002-12-05 Siemens Ag Method for detecting signal bursts of modulated carrier signals emitted burst-like with the aid of a burst detector
US6618458B1 (en) * 1999-01-29 2003-09-09 Nec Corporation Method and apparatus for signal receiving synchronization
KR20010091602A (en) * 2000-03-16 2001-10-23 송재인 Selection method for tracking frequency
EP1237319B1 (en) * 2001-02-26 2007-06-06 Juniper Networks, Inc. Methods and apparatus for efficient and accurate coarse timing synchronization in burst demodulators
CN1314219C (en) * 2001-06-18 2007-05-02 皇家菲利浦电子有限公司 Peak detection accuracy
GB2388754B (en) * 2002-05-13 2005-08-03 Matsushita Electric Industrial Co Ltd Frequency burst error estimation
ATE365927T1 (en) * 2002-12-02 2007-07-15 Nokia Corp POSITION DETERMINATION OF A PULSE PEAK
US7593482B2 (en) 2004-09-30 2009-09-22 St-Ericsson Sa Wireless communication system with hardware-based frequency burst detection
US7567637B2 (en) * 2004-09-30 2009-07-28 St-Ericsson Sa Wireless communication system and method with frequency burst acquisition feature using autocorrelation and narrowband interference detection
JP4424378B2 (en) 2007-06-13 2010-03-03 ソニー株式会社 Frame synchronization apparatus and control method thereof
US9553620B2 (en) * 2014-07-16 2017-01-24 Raytheon Company Signal detection and characterization
CN108985277B (en) * 2018-08-24 2020-11-10 广东石油化工学院 Method and system for filtering background noise in power signal
US10411744B1 (en) 2018-10-11 2019-09-10 Ratheon Company Waveform transformation and reconstruction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5282227A (en) * 1992-05-21 1994-01-25 The Titan Corporation Communication signal detection and acquisition
US5408504A (en) * 1992-12-30 1995-04-18 Nokia Mobile Phones Symbol and frame synchronization in a TDMA system
GB2276064B (en) * 1993-03-10 1996-07-17 Roke Manor Research Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
US5365549A (en) * 1993-05-24 1994-11-15 Motorola, Inc. Complex signal correlator and method therefor

Also Published As

Publication number Publication date
AU4574596A (en) 1996-10-31
DE19609504A1 (en) 1996-10-24
CN1139321A (en) 1997-01-01
KR960039712A (en) 1996-11-25
GB9607879D0 (en) 1996-06-19
GB2300093B (en) 1999-09-01
GB2300093A (en) 1996-10-23
JPH08307408A (en) 1996-11-22

Similar Documents

Publication Publication Date Title
BR9601239A (en) Synchronization stage in a radio receiver and the process of retrieving time and evaluating the frequency of a variation of trigger time received
DE59408457D1 (en) Frequency analysis method
BR9605916A (en) Tuning apparatus and apparatus
GB2296611B (en) Wideband frequency signal digitizer and method
BR9611166A (en) Bioactive frequency generator and process
DE69819030D1 (en) DOUBLE FREQUENCY CVD METHOD AND DEVICE
FI952528A7 (en) Reception method and receiver
DE69629386D1 (en) INDIRECT SUBMILLIMETER HETERODYNEM RECEIVER AND METHOD
DE69326880D1 (en) Frequency selective method and device
AU4140297A (en) Arrangements and methods for generating a radio frequency signal
GB2329288B (en) Frequency synthesis apparatus and method
KR19980703407A (en) Foaming polymers and methods for making them
GB2308748B (en) Lc resonating component and method of making same
DE69612041D1 (en) High frequency switch
NO984567D0 (en) Distributed frequency rel
FR2712755B1 (en) Radio Frequency Receiver and its control process.
DE69618524D1 (en) Receiver and tuning circuit with a frequency synthesizer therefor
FI964550A0 (en) Frequency hopping method and radio system
FI932204A7 (en) Method for starting a radio transmitter and a radio transmitter
DE69626166D1 (en) Oscillator circuit and method
AU5929500A (en) Method of tuning a bat and a tuned bat
BR9702748A (en) Communication device with variable pattern process time
NO960397D0 (en) Gas-operated mechanical oscillator and method
DE69833831D1 (en) Radio receiver and method for adjusting the tuning frequency used in this radio receiver
SG50769A1 (en) Musical tone-generating method and musical tone-generating apparatus

Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law