DK3166271T3 - Fremgangsmåde og anordning til signaludligning - Google Patents

Fremgangsmåde og anordning til signaludligning Download PDF

Info

Publication number
DK3166271T3
DK3166271T3 DK16197067.8T DK16197067T DK3166271T3 DK 3166271 T3 DK3166271 T3 DK 3166271T3 DK 16197067 T DK16197067 T DK 16197067T DK 3166271 T3 DK3166271 T3 DK 3166271T3
Authority
DK
Denmark
Prior art keywords
signal compensation
compensation procedure
procedure
signal
compensation
Prior art date
Application number
DK16197067.8T
Other languages
English (en)
Inventor
Gordon Cowie
Colin Maclean
Original Assignee
Raptor Oil Ltd
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 Raptor Oil Ltd filed Critical Raptor Oil Ltd
Application granted granted Critical
Publication of DK3166271T3 publication Critical patent/DK3166271T3/da

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/02—Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/103—Chirp modulation
    • 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
    • H04B2001/6912—Spread spectrum techniques using chirp

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DK16197067.8T 2015-11-04 2016-11-03 Fremgangsmåde og anordning til signaludligning DK3166271T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1519471.5A GB2544066B (en) 2015-11-04 2015-11-04 Signal equalisation

Publications (1)

Publication Number Publication Date
DK3166271T3 true DK3166271T3 (da) 2020-11-02

Family

ID=55130657

Family Applications (1)

Application Number Title Priority Date Filing Date
DK16197067.8T DK3166271T3 (da) 2015-11-04 2016-11-03 Fremgangsmåde og anordning til signaludligning

Country Status (4)

Country Link
US (2) US9941924B2 (da)
EP (1) EP3166271B1 (da)
DK (1) DK3166271T3 (da)
GB (1) GB2544066B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2544066B (en) * 2015-11-04 2019-11-13 Raptor Oil Ltd Signal equalisation
GB2581597B (en) * 2017-11-29 2023-02-15 Halliburton Energy Services Inc An acoustics through fluid communication system
WO2020201762A1 (en) * 2019-04-03 2020-10-08 Raptor Oil Ltd Determining frequency band suitability for communication
US11343123B2 (en) 2020-10-27 2022-05-24 Huawei Technologies Co., Ltd. Sensing-assisted channel estimation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0108188D0 (en) * 2001-04-02 2001-08-15 Secr Defence Communication system for underwater use
CA2685688A1 (en) * 2008-11-28 2010-05-28 Xact Downhole Telemetry Inc. Improved downhole timing recovery and signal detection
KR101268576B1 (ko) * 2008-12-12 2013-05-28 한국전자통신연구원 무선 측위 신호 생성 장치 및 방법
GB2475039B (en) * 2009-10-30 2013-12-18 Bios Developments Ltd Methods for communicating and associated apparatus
TWI448094B (zh) * 2012-09-24 2014-08-01 Princeton Technology Corp 雙啁啾序列調變系統和方法
US9645228B1 (en) * 2012-12-14 2017-05-09 Sandia Corporation Shaping the spectrum of random-phase radar waveforms
WO2014201440A1 (en) * 2013-06-14 2014-12-18 Lockheed Martin Corporation System, method and apparatus for communication that is insensitive to a sampling clock error
US9778226B2 (en) * 2015-02-19 2017-10-03 Saudi Arabian Oil Company Slug flow monitoring and gas measurement
GB2544066B (en) * 2015-11-04 2019-11-13 Raptor Oil Ltd Signal equalisation

Also Published As

Publication number Publication date
US10637529B2 (en) 2020-04-28
GB201519471D0 (en) 2015-12-16
GB2544066A (en) 2017-05-10
EP3166271B1 (en) 2020-08-12
US9941924B2 (en) 2018-04-10
GB2544066B (en) 2019-11-13
US20180183487A1 (en) 2018-06-28
US20170126271A1 (en) 2017-05-04
EP3166271A1 (en) 2017-05-10

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