GB9704593D0 - Detection of spread spectrum signals - Google Patents

Detection of spread spectrum signals

Info

Publication number
GB9704593D0
GB9704593D0 GBGB9704593.4A GB9704593A GB9704593D0 GB 9704593 D0 GB9704593 D0 GB 9704593D0 GB 9704593 A GB9704593 A GB 9704593A GB 9704593 D0 GB9704593 D0 GB 9704593D0
Authority
GB
United Kingdom
Prior art keywords
detection
spread spectrum
spectrum signals
signals
spread
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.)
Granted
Application number
GBGB9704593.4A
Other versions
GB2308034B (en
GB2308034A (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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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
Priority claimed from GB9419106A external-priority patent/GB9419106D0/en
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB9704593A priority Critical patent/GB2308034B/en
Publication of GB9704593D0 publication Critical patent/GB9704593D0/en
Publication of GB2308034A publication Critical patent/GB2308034A/en
Application granted granted Critical
Publication of GB2308034B publication Critical patent/GB2308034B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G01S3/043—Receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB9704593A 1994-09-22 1995-09-20 Detection of spread spectrum signals Expired - Fee Related GB2308034B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9704593A GB2308034B (en) 1994-09-22 1995-09-20 Detection of spread spectrum signals

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9419106A GB9419106D0 (en) 1994-09-22 1994-09-22 Detection of spread spectrum signals
PCT/GB1995/002222 WO1996009558A1 (en) 1994-09-22 1995-09-20 Detection of spread spectrum signals
GB9704593A GB2308034B (en) 1994-09-22 1995-09-20 Detection of spread spectrum signals

Publications (3)

Publication Number Publication Date
GB9704593D0 true GB9704593D0 (en) 1997-04-23
GB2308034A GB2308034A (en) 1997-06-11
GB2308034B GB2308034B (en) 1998-02-25

Family

ID=26305668

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9704593A Expired - Fee Related GB2308034B (en) 1994-09-22 1995-09-20 Detection of spread spectrum signals

Country Status (1)

Country Link
GB (1) GB2308034B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7068211B2 (en) 2000-02-08 2006-06-27 Cambridge Consultants Limited Methods and apparatus for obtaining positional information
GB0120357D0 (en) 2001-08-08 2002-05-08 Astrium Ltd A signal separating system
US9588213B2 (en) * 2014-02-18 2017-03-07 Raytheon Company Analog signal processing method for accurate single antenna direction finding
US9590760B2 (en) 2014-06-03 2017-03-07 Raytheon Company Analog RF memory system
US9645972B2 (en) 2014-06-16 2017-05-09 Raytheon Company Butterfly channelizer
US9485125B2 (en) 2014-06-16 2016-11-01 Raytheon Company Dynamically reconfigurable channelizer
US10027026B2 (en) 2014-09-18 2018-07-17 Raytheon Company Programmable beamforming system including element-level analog channelizer
US10348338B2 (en) 2016-10-06 2019-07-09 Raytheon Company Adaptive channelizer
US10084587B1 (en) 2017-07-28 2018-09-25 Raytheon Company Multifunction channelizer/DDC architecture for a digital receiver/exciter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4652817A (en) * 1985-02-14 1987-03-24 Itek Corporation Acousto-optic chip rate detector
US4845502A (en) * 1988-04-07 1989-07-04 Carr James L Direction finding method and apparatus
US4847862A (en) * 1988-04-07 1989-07-11 Trimble Navigation, Ltd. Global positioning system course acquisition code receiver
US5296861A (en) * 1992-11-13 1994-03-22 Trimble Navigation Limited Method and apparatus for maximum likelihood estimation direct integer search in differential carrier phase attitude determination systems

Also Published As

Publication number Publication date
GB2308034B (en) 1998-02-25
GB2308034A (en) 1997-06-11

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030920