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GB2315941B - Continuous wave radar altimeter - Google Patents

Continuous wave radar altimeter

Info

Publication number
GB2315941B
GB2315941B GB8712059A GB8712059A GB2315941B GB 2315941 B GB2315941 B GB 2315941B GB 8712059 A GB8712059 A GB 8712059A GB 8712059 A GB8712059 A GB 8712059A GB 2315941 B GB2315941 B GB 2315941B
Authority
GB
United Kingdom
Prior art keywords
continuous wave
wave radar
radar altimeter
altimeter
continuous
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.)
Expired - Fee Related
Application number
GB8712059A
Other versions
GB2315941A (en
GB2315941A8 (en
GB8712059D0 (en
Inventor
Robert Anthony Severwright
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.)
Allard Way Holdings Ltd
Original Assignee
GEC Avionics 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 GEC Avionics Ltd filed Critical GEC Avionics Ltd
Priority to GB8712059A priority Critical patent/GB2315941B/en
Priority to FR8806812A priority patent/FR2751421A1/en
Priority to IT8848002A priority patent/IT8848002A0/en
Publication of GB8712059D0 publication Critical patent/GB8712059D0/en
Publication of GB2315941A publication Critical patent/GB2315941A/en
Application granted granted Critical
Publication of GB2315941B publication Critical patent/GB2315941B/en
Publication of GB2315941A8 publication Critical patent/GB2315941A8/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
    • 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
    • G01S7/35—Details of non-pulse 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/325—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of coded signals, e.g. P.S.K. signals
    • 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
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • G01S7/411—Identification of targets based on measurements of radar reflectivity
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/882—Radar or analogous systems specially adapted for specific applications for altimeters
    • 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
    • G01S7/288—Coherent receivers
    • G01S7/2886—Coherent receivers using I/Q processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB8712059A 1987-05-21 1987-05-21 Continuous wave radar altimeter Expired - Fee Related GB2315941B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8712059A GB2315941B (en) 1987-05-21 1987-05-21 Continuous wave radar altimeter
FR8806812A FR2751421A1 (en) 1987-05-21 1988-05-20 CONTINUOUS EMISSION RADAR ALTIMETER
IT8848002A IT8848002A0 (en) 1987-05-21 1988-05-23 RADAR ALTIMETER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8712059A GB2315941B (en) 1987-05-21 1987-05-21 Continuous wave radar altimeter

Publications (4)

Publication Number Publication Date
GB8712059D0 GB8712059D0 (en) 1997-09-03
GB2315941A GB2315941A (en) 1998-02-11
GB2315941B true GB2315941B (en) 1998-06-24
GB2315941A8 GB2315941A8 (en) 1999-04-27

Family

ID=10617716

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8712059A Expired - Fee Related GB2315941B (en) 1987-05-21 1987-05-21 Continuous wave radar altimeter

Country Status (3)

Country Link
FR (1) FR2751421A1 (en)
GB (1) GB2315941B (en)
IT (1) IT8848002A0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19803660C2 (en) * 1998-01-30 2001-07-05 Siemens Ag Motor vehicle radar
US6204805B1 (en) 1998-02-06 2001-03-20 Honeywell Inc. Dual target tracking altimeter
FI112402B (en) * 1999-10-28 2003-11-28 Diware Oy Method for determining the characteristics of tree stocks and computer programs for performing the procedure
SE517376C2 (en) * 2000-10-13 2002-06-04 Saab Ab Adaptive modeling of substrate noise in remote distance measurement

Also Published As

Publication number Publication date
GB2315941A (en) 1998-02-11
GB2315941A8 (en) 1999-04-27
IT8848002A0 (en) 1988-05-23
FR2751421A1 (en) 1998-01-23
GB8712059D0 (en) 1997-09-03

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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: 20050521