GB2333198B - Threat detection apparatus - Google Patents

Threat detection apparatus

Info

Publication number
GB2333198B
GB2333198B GB9800756A GB9800756A GB2333198B GB 2333198 B GB2333198 B GB 2333198B GB 9800756 A GB9800756 A GB 9800756A GB 9800756 A GB9800756 A GB 9800756A GB 2333198 B GB2333198 B GB 2333198B
Authority
GB
United Kingdom
Prior art keywords
detection apparatus
threat detection
threat
detection
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
GB9800756A
Other versions
GB2333198A (en
GB9800756D0 (en
Inventor
Peter Gregory Lloyd
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research 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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to GB9800756A priority Critical patent/GB2333198B/en
Publication of GB9800756D0 publication Critical patent/GB9800756D0/en
Publication of GB2333198A publication Critical patent/GB2333198A/en
Application granted granted Critical
Publication of GB2333198B publication Critical patent/GB2333198B/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
    • 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
    • G01S13/003—Bistatic radar systems; Multistatic radar 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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • 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
    • 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
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S7/415—Identification of targets based on measurements of movement associated with the target
GB9800756A 1998-01-12 1998-01-12 Threat detection apparatus Expired - Fee Related GB2333198B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9800756A GB2333198B (en) 1998-01-12 1998-01-12 Threat detection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9800756A GB2333198B (en) 1998-01-12 1998-01-12 Threat detection apparatus

Publications (3)

Publication Number Publication Date
GB9800756D0 GB9800756D0 (en) 1998-07-29
GB2333198A GB2333198A (en) 1999-07-14
GB2333198B true GB2333198B (en) 2002-12-24

Family

ID=10825273

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9800756A Expired - Fee Related GB2333198B (en) 1998-01-12 1998-01-12 Threat detection apparatus

Country Status (1)

Country Link
GB (1) GB2333198B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6937746B2 (en) * 2001-05-31 2005-08-30 Northrop Grumman Corporation System and method for automatic recognition of formations in moving target indication data
GB2378335B (en) 2001-08-03 2005-09-28 Roke Manor Research Method of determining the position of a target
GB2479211B (en) * 2010-03-31 2014-07-23 Qinetiq Ltd System for the detection of incoming munitions
GB201602319D0 (en) * 2016-02-09 2016-03-23 Elliptic Laboratories As Proximity detection
US10969484B2 (en) * 2019-01-18 2021-04-06 United Arab Emirates University Bullet detection system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318102A (en) * 1980-04-15 1982-03-02 The United States Of America As Represented By The Secretary Of The Air Force Intrusion detection system having look-up sensor instrumentation for intrusion range and altitude measurements
US4499468A (en) * 1982-04-21 1985-02-12 The United States Of America As Represented By The Secretary Of The Air Force Range-only multistatic radar system
US4746924A (en) * 1985-09-30 1988-05-24 The Boeing Company Apparatus and methods for locating a target utilizing signals generated from a non-cooperative source
WO1990013048A1 (en) * 1989-04-22 1990-11-01 Cambridge Consultants Limited System for sensing the approach of a moving missile to a target
US4994809A (en) * 1990-03-07 1991-02-19 Hughes Aircraft Company Polystatic correlating radar
GB2251351A (en) * 1990-08-20 1992-07-01 British Aerospace Mobile bistatic radar
WO1995015501A1 (en) * 1993-11-30 1995-06-08 Wurman Joshua Michael Aaron Ry Wide-angle multiple-doppler radar network
WO1997014058A1 (en) * 1995-10-06 1997-04-17 Cambridge Consultants Limited Apparatus for and method of determining positional information for an object
EP0777133A1 (en) * 1995-12-01 1997-06-04 Denso Corporation FM-CW radar apparatus for measuring relative speed of and distance to an object

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318102A (en) * 1980-04-15 1982-03-02 The United States Of America As Represented By The Secretary Of The Air Force Intrusion detection system having look-up sensor instrumentation for intrusion range and altitude measurements
US4499468A (en) * 1982-04-21 1985-02-12 The United States Of America As Represented By The Secretary Of The Air Force Range-only multistatic radar system
US4746924A (en) * 1985-09-30 1988-05-24 The Boeing Company Apparatus and methods for locating a target utilizing signals generated from a non-cooperative source
WO1990013048A1 (en) * 1989-04-22 1990-11-01 Cambridge Consultants Limited System for sensing the approach of a moving missile to a target
US4994809A (en) * 1990-03-07 1991-02-19 Hughes Aircraft Company Polystatic correlating radar
GB2251351A (en) * 1990-08-20 1992-07-01 British Aerospace Mobile bistatic radar
WO1995015501A1 (en) * 1993-11-30 1995-06-08 Wurman Joshua Michael Aaron Ry Wide-angle multiple-doppler radar network
WO1997014058A1 (en) * 1995-10-06 1997-04-17 Cambridge Consultants Limited Apparatus for and method of determining positional information for an object
EP0777133A1 (en) * 1995-12-01 1997-06-04 Denso Corporation FM-CW radar apparatus for measuring relative speed of and distance to an object

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IEEE Trans. Aerospace & Electronic Systems vol. AES-19 no. 6November 1983 pages 831-839 *
Internationa Defence Review 7/1993 page 584: U Ivarsson: Multistatic radars promise stealth ... *

Also Published As

Publication number Publication date
GB2333198A (en) 1999-07-14
GB9800756D0 (en) 1998-07-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120112