GB2238201B - Method & apparatus for radio transmission - Google Patents

Method & apparatus for radio transmission

Info

Publication number
GB2238201B
GB2238201B GB9023454A GB9023454A GB2238201B GB 2238201 B GB2238201 B GB 2238201B GB 9023454 A GB9023454 A GB 9023454A GB 9023454 A GB9023454 A GB 9023454A GB 2238201 B GB2238201 B GB 2238201B
Authority
GB
United Kingdom
Prior art keywords
radio transmission
radio
transmission
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
GB9023454A
Other versions
GB9023454D0 (en
GB2238201A (en
Inventor
Paul Beaumont Cordes
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.)
British Gas PLC
Original Assignee
British Gas PLC
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 GB898926052A external-priority patent/GB8926052D0/en
Application filed by British Gas PLC filed Critical British Gas PLC
Priority to GB9023454A priority Critical patent/GB2238201B/en
Publication of GB9023454D0 publication Critical patent/GB9023454D0/en
Publication of GB2238201A publication Critical patent/GB2238201A/en
Application granted granted Critical
Publication of GB2238201B publication Critical patent/GB2238201B/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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/0209—Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
    • 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
    • G01S13/885—Radar or analogous systems specially adapted for specific applications for ground probing

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)
GB9023454A 1989-11-17 1990-10-29 Method & apparatus for radio transmission Expired - Fee Related GB2238201B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9023454A GB2238201B (en) 1989-11-17 1990-10-29 Method & apparatus for radio transmission

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898926052A GB8926052D0 (en) 1989-11-17 1989-11-17 Method & apparatus for radio transmission
GB9023454A GB2238201B (en) 1989-11-17 1990-10-29 Method & apparatus for radio transmission

Publications (3)

Publication Number Publication Date
GB9023454D0 GB9023454D0 (en) 1990-12-12
GB2238201A GB2238201A (en) 1991-05-22
GB2238201B true GB2238201B (en) 1993-11-17

Family

ID=26296219

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9023454A Expired - Fee Related GB2238201B (en) 1989-11-17 1990-10-29 Method & apparatus for radio transmission

Country Status (1)

Country Link
GB (1) GB2238201B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457394A (en) * 1993-04-12 1995-10-10 The Regents Of The University Of California Impulse radar studfinder
US6122602A (en) * 1997-05-02 2000-09-19 Endress + Hauser Gmbh + Co. Method and arrangement for electromagnetic wave distance measurement by the pulse transit time method
WO2000020891A1 (en) * 1998-10-06 2000-04-13 Jury Vyacheslavovich Kislyakov Device for underground radiolocation probing
US6593754B1 (en) * 1999-04-01 2003-07-15 Actuant Corporation Compact subsurface object locator
CN100413191C (en) 2005-03-30 2008-08-20 昂宝电子（上海）有限公司 System and method for controlling switch frequency change in power supply transducer
RU2516436C2 (en) * 2012-07-24 2014-05-20 Владимир Петрович Якубов Method of detecting concealed nonlinear radioelectronic elements

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1417722A (en) * 1972-01-03 1975-12-17 Geophysical Surfey Systems Inc Geophysical surveying system
US4008469A (en) * 1974-08-06 1977-02-15 Terrestrial Systems, Incorporated Signal processing in short-pulse geophysical radar system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1417722A (en) * 1972-01-03 1975-12-17 Geophysical Surfey Systems Inc Geophysical surveying system
US4008469A (en) * 1974-08-06 1977-02-15 Terrestrial Systems, Incorporated Signal processing in short-pulse geophysical radar system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
I.E.E.PROCEEDINGS-F, Vol.135, Part F, No4 Aug 1988 Intro.to subsurface radar-Section 4.6 *

Also Published As

Publication number Publication date
GB9023454D0 (en) 1990-12-12
GB2238201A (en) 1991-05-22

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Legal Events

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

Effective date: 19991029