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BR9601239A - Estágio de sincronização em receptor de rádio e processo de recuperar o tempo e avaliar frequênica de uma variação de tempo de disparo recebido - Google Patents

Estágio de sincronização em receptor de rádio e processo de recuperar o tempo e avaliar frequênica de uma variação de tempo de disparo recebido

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
English (en)
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/pt

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 Estágio de sincronização em receptor de rádio e processo de recuperar o tempo e avaliar frequênica de uma variação de tempo de disparo recebido BR9601239A (pt)

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 (pt) 1998-01-06

Family

ID=23684646

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9601239A BR9601239A (pt) 1995-04-19 1996-04-02 Estágio de sincronização em receptor de rádio e processo de recuperar o tempo e avaliar frequênica de uma variação de tempo de disparo recebido

Country Status (7)

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

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 (ja) * 1996-11-27 1999-12-13 日本電気株式会社 ユニークワード遅延検波方式および復調装置
JP3504470B2 (ja) * 1997-09-18 2004-03-08 日本放送協会 Ａｆｃ回路、キャリア再生回路および受信装置
US6226336B1 (en) * 1998-02-20 2001-05-01 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for detecting a frequency synchronization signal
JP2000078218A (ja) * 1998-08-31 2000-03-14 Kenwood Corp キャリア再生回路
DE19844739C2 (de) * 1998-09-29 2002-12-05 Siemens Ag Verfahren zum Detektieren von Signal-Bursts burstartig ausgesendeter, modulierter Trägersignale mit Hilfe eines Burst-Detektors
US6618458B1 (en) * 1999-01-29 2003-09-09 Nec Corporation Method and apparatus for signal receiving synchronization
KR20010091602A (ko) * 2000-03-16 2001-10-23 송재인 추적 주파수 선택 방법
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 (zh) * 2001-06-18 2007-05-02 皇家菲利浦电子有限公司 峰值检测精度
GB2388754B (en) * 2002-05-13 2005-08-03 Matsushita Electric Industrial Co Ltd Frequency burst error estimation
ATE365927T1 (de) * 2002-12-02 2007-07-15 Nokia Corp Positionsbestimmung einer pulsspitze
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 (ja) 2007-06-13 2010-03-03 ソニー株式会社 フレーム同期装置及びその制御方法
US9553620B2 (en) * 2014-07-16 2017-01-24 Raytheon Company Signal detection and characterization
CN108985277B (zh) * 2018-08-24 2020-11-10 广东石油化工学院 一种功率信号中背景噪声滤除方法及系统
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 (de) 1996-10-24
CN1139321A (zh) 1997-01-01
KR960039712A (ko) 1996-11-25
GB9607879D0 (en) 1996-06-19
GB2300093B (en) 1999-09-01
GB2300093A (en) 1996-10-23
JPH08307408A (ja) 1996-11-22

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Legal Events

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