IT1056828B - Antenna a fascio esplorante - Google Patents

Antenna a fascio esplorante

Info

Publication number
IT1056828B
IT1056828B IT20794/76A IT2079476A IT1056828B IT 1056828 B IT1056828 B IT 1056828B IT 20794/76 A IT20794/76 A IT 20794/76A IT 2079476 A IT2079476 A IT 2079476A IT 1056828 B IT1056828 B IT 1056828B
Authority
IT
Italy
Prior art keywords
beam antenna
exploring
exploring beam
antenna
Prior art date
Application number
IT20794/76A
Other languages
English (en)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1056828B publication Critical patent/IT1056828B/it

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
    • 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
    • G01S1/08—Systems for determining direction or position line
    • G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IT20794/76A 1975-03-06 1976-03-03 Antenna a fascio esplorante IT1056828B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9355/75A GB1524571A (en) 1975-03-06 1975-03-06 Radio navigation system and scanning beam antenna

Publications (1)

Publication Number Publication Date
IT1056828B true IT1056828B (it) 1982-02-20

Family

ID=9870340

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20794/76A IT1056828B (it) 1975-03-06 1976-03-03 Antenna a fascio esplorante

Country Status (6)

Country Link
US (1) US4053892A (it)
AU (1) AU501917B2 (it)
DE (1) DE2608235A1 (it)
FR (1) FR2303390A1 (it)
GB (1) GB1524571A (it)
IT (1) IT1056828B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1524572A (en) * 1976-01-29 1978-09-13 Standard Telephones Cables Ltd Radio receiver
US4195262A (en) * 1978-11-06 1980-03-25 Wisconsin Alumni Research Foundation Apparatus for measuring microwave electromagnetic fields
US4305153A (en) * 1978-11-06 1981-12-08 Wisconsin Alumi Research Foundation Method for measuring microwave electromagnetic fields
US5859612A (en) * 1996-06-06 1999-01-12 Qualcomm Incorporated Method for using an antenna with a rotating beam for determining the position of a mobile subscriber in a CDMA cellular telephone system
US6034635A (en) * 1996-06-06 2000-03-07 Gilhousen; Klein S. Method for using only two base stations for determining the position of a mobile subscriber in a CDMA cellular telephone system
US6195046B1 (en) 1996-06-06 2001-02-27 Klein S. Gilhousen Base station with slave antenna for determining the position of a mobile subscriber in a CDMA cellular telephone system
US5943014A (en) * 1996-06-06 1999-08-24 Qualcom Incorporated Using a signal with increased power for determining the position of a mobile subscriber in a CDMA cellular telephone system
JP4438825B2 (ja) * 2007-05-29 2010-03-24 ソニー株式会社 到来角推定システム、通信装置、並びに通信システム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107352A (en) * 1959-08-31 1963-10-15 Shapcott Sidney Edward Radio guidance system
GB1335899A (en) * 1971-08-20 1973-10-31 Standard Telephones Cables Ltd Radio navigation beacon
US3787859A (en) * 1971-09-29 1974-01-22 Itt Scanning cylindrical antenna for a phase comparison guidance system
US3864680A (en) * 1973-04-03 1975-02-04 Hazeltine Corp Array antenna for radiating doppler coded pattern using phase control
US3864679A (en) * 1973-04-03 1975-02-04 Hazeltine Corp Antenna system for radiating doppler coded pattern using multiple beam antenna

Also Published As

Publication number Publication date
AU501917B2 (en) 1979-07-05
FR2303390A1 (fr) 1976-10-01
DE2608235A1 (de) 1976-09-23
US4053892A (en) 1977-10-11
GB1524571A (en) 1978-09-13
FR2303390B1 (it) 1981-06-19
AU1161276A (en) 1977-09-08

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