SE334927B - - Google Patents

Info

Publication number
SE334927B
SE334927B SE08278/64A SE827864A SE334927B SE 334927 B SE334927 B SE 334927B SE 08278/64 A SE08278/64 A SE 08278/64A SE 827864 A SE827864 A SE 827864A SE 334927 B SE334927 B SE 334927B
Authority
SE
Sweden
Application number
SE08278/64A
Inventor
F Dutton
Original Assignee
Marconi Co 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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of SE334927B publication Critical patent/SE334927B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/762—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with special measures concerning the radiation pattern, e.g. S.L.S.
SE08278/64A 1963-07-29 1964-07-07 SE334927B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29903/63A GB1056352A (en) 1963-07-29 1963-07-29 Improvements in or relating to aerial systems

Publications (1)

Publication Number Publication Date
SE334927B true SE334927B (en) 1971-05-10

Family

ID=10299076

Family Applications (1)

Application Number Title Priority Date Filing Date
SE08278/64A SE334927B (en) 1963-07-29 1964-07-07

Country Status (5)

Country Link
US (1) US3325816A (en)
ES (1) ES302516A1 (en)
GB (1) GB1056352A (en)
NL (1) NL6408602A (en)
SE (1) SE334927B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525995A (en) * 1967-03-14 1970-08-25 Collins Radio Co Amplitude tapering,nonsymmetrical binary feed networks for highpower hf phased arrays
FR1564646A (en) * 1968-02-09 1969-04-25
US3503069A (en) * 1968-02-27 1970-03-24 Bell Telephone Labor Inc System for nulling array sensitivity patterns
DE1957303C3 (en) * 1969-11-14 1974-03-07 Siemens Ag, 1000 Berlin U. 8000 Muenchen Secondary radar interrogation-response system with additional antenna to suppress sidelobe interrogation
US4063250A (en) * 1975-12-16 1977-12-13 Electrospace Systems, Inc. Beam and null switch step steerable antenna system
US4145658A (en) * 1977-06-03 1979-03-20 Bell Telephone Laboratories, Incorporated Method and apparatus for cancelling interference between area coverage and spot coverage antenna beams
FR2568018B1 (en) * 1977-09-16 1986-10-17 Thomson Csf RADAR QUERY DEVICE, PARTICULARLY FOR AIRPORT SECONDARY RADAR, AND RADAR COMPRISING SUCH A DEVICE
FR2456329A1 (en) * 1979-05-08 1980-12-05 Thomson Csf DEVICE FOR TRANSMITTING RADIOPHONIC SIGNALS IN SECONDARY RADAR EQUIPMENT
US4348679A (en) * 1980-10-06 1982-09-07 United Technologies Corporation Multi-mode dual-feed array radar antenna
US4364052A (en) * 1980-10-29 1982-12-14 Bell Telephone Laboratories, Incorporated Antenna arrangements for suppressing selected sidelobes
US4376940A (en) * 1980-10-29 1983-03-15 Bell Telephone Laboratories, Incorporated Antenna arrangements for suppressing selected sidelobes
US4516130A (en) * 1982-03-09 1985-05-07 At&T Bell Laboratories Antenna arrangements using focal plane filtering for reducing sidelobes
GB9513936D0 (en) 1995-07-07 1996-04-24 Gec Marconi Avionics Holdings Radar apparatus
US5754140A (en) * 1996-07-05 1998-05-19 Sperry Marine Inc. Beam sharpened, low sidelobe antenna system
US5905473A (en) * 1997-03-31 1999-05-18 Resound Corporation Adjustable array antenna
US20080068266A1 (en) * 2005-11-23 2008-03-20 Northrop Grumman Corporation Beamforming for spatial sidelobe cancellation and AMR direction finding
JP5147637B2 (en) * 2008-10-20 2013-02-20 古野電気株式会社 Antenna device
JP5731745B2 (en) * 2009-10-30 2015-06-10 古野電気株式会社 Antenna device and radar device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419562A (en) * 1942-03-10 1947-04-29 Standard Telephones Cables Ltd Antenna array
FR1231221A (en) * 1959-04-10 1960-09-27 Csf Superdirective antennas
US3222677A (en) * 1960-01-04 1965-12-07 Litton Systems Inc Lobe switching directional antenna with directional couplers for feeding and phasing signal energy
US3093826A (en) * 1960-04-08 1963-06-11 Litton Systems Inc Antenna system
US3255450A (en) * 1960-06-15 1966-06-07 Sanders Associates Inc Multiple beam antenna system employing multiple directional couplers in the leadin

Also Published As

Publication number Publication date
US3325816A (en) 1967-06-13
ES302516A1 (en) 1965-01-16
GB1056352A (en) 1967-01-25
NL6408602A (en) 1965-02-01

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