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 receivedInfo
- 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
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)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
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)
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 |
ATE364271T1 (en) | 2001-02-26 | 2007-06-15 | Juniper Networks Inc | METHOD AND DEVICE FOR EFFICIENT AND ACCURATE COARSE TIME SYNCHRONIZATION IN PULSE DEMODULATORS |
KR100914353B1 (en) * | 2001-06-18 | 2009-08-28 | 엔엑스피 비 브이 | Peak detection accuracy |
GB2388754B (en) * | 2002-05-13 | 2005-08-03 | Matsushita Electric Ind Co Ltd | Frequency burst error estimation |
EP1567883B1 (en) * | 2002-12-02 | 2007-06-27 | Nokia Corporation | Determination of the position 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)
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 |
-
1996
- 1996-02-27 AU AU45745/96A patent/AU4574596A/en not_active Abandoned
- 1996-03-11 DE DE19609504A patent/DE19609504A1/en not_active Ceased
- 1996-04-02 BR BR9601239A patent/BR9601239A/en not_active Application Discontinuation
- 1996-04-10 CN CN96104520A patent/CN1139321A/en active Pending
- 1996-04-16 GB GB9607879A patent/GB2300093B/en not_active Expired - Fee Related
- 1996-04-18 KR KR1019960011752A patent/KR960039712A/en not_active Application Discontinuation
- 1996-04-18 JP JP12103096A patent/JPH08307408A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB9607879D0 (en) | 1996-06-19 |
GB2300093B (en) | 1999-09-01 |
DE19609504A1 (en) | 1996-10-24 |
CN1139321A (en) | 1997-01-01 |
JPH08307408A (en) | 1996-11-22 |
KR960039712A (en) | 1996-11-25 |
GB2300093A (en) | 1996-10-23 |
AU4574596A (en) | 1996-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA10 | Dismissal: dismissal - article 33 of industrial property law |