GB0130960D0 - Chirp waveform decoding system - Google Patents

Chirp waveform decoding system

Info

Publication number
GB0130960D0
GB0130960D0 GBGB0130960.8A GB0130960A GB0130960D0 GB 0130960 D0 GB0130960 D0 GB 0130960D0 GB 0130960 A GB0130960 A GB 0130960A GB 0130960 D0 GB0130960 D0 GB 0130960D0
Authority
GB
United Kingdom
Prior art keywords
decoding system
chirp waveform
waveform decoding
chirp
waveform
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GBGB0130960.8A
Other versions
GB2367465A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANGLIN RICHARD L
Original Assignee
ANGLIN RICHARD L
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 ANGLIN RICHARD L filed Critical ANGLIN RICHARD L
Publication of GB0130960D0 publication Critical patent/GB0130960D0/en
Publication of GB2367465A publication Critical patent/GB2367465A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters
    • 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
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB0130960A 1999-06-25 2000-05-12 Chirp waveform decoding system Withdrawn GB2367465A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34408699A 1999-06-25 1999-06-25
PCT/GB2000/001830 WO2001001648A1 (en) 1999-06-25 2000-05-12 Chirp waveform decoding system

Publications (2)

Publication Number Publication Date
GB0130960D0 true GB0130960D0 (en) 2002-02-13
GB2367465A GB2367465A (en) 2002-04-03

Family

ID=23348983

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0130960A Withdrawn GB2367465A (en) 1999-06-25 2000-05-12 Chirp waveform decoding system

Country Status (3)

Country Link
AU (1) AU5082300A (en)
GB (1) GB2367465A (en)
WO (1) WO2001001648A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070064832A1 (en) * 2005-09-21 2007-03-22 Frank Michael L Frequency ramp modulation
US7702044B2 (en) 2005-12-05 2010-04-20 Marvell World Trade, Ltd. Radar detection and dynamic frequency selection
US7747222B2 (en) * 2005-12-09 2010-06-29 Marvell World Trade Ltd. Detection and estimation of radio frequency variations

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037159A (en) * 1974-11-01 1977-07-19 Harris Corporation Chirp communication system
WO1999019744A1 (en) * 1997-10-16 1999-04-22 Automotive Systems Laboratory, Inc. Radar system

Also Published As

Publication number Publication date
WO2001001648A1 (en) 2001-01-04
GB2367465A (en) 2002-04-03
AU5082300A (en) 2001-01-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)