IT1002044B - Antenna grandangolare a fascio pla nare adatta particolarmente per ana lisi tradizionale o di tipo doppler - Google Patents

Antenna grandangolare a fascio pla nare adatta particolarmente per ana lisi tradizionale o di tipo doppler

Info

Publication number
IT1002044B
IT1002044B IT3180973A IT3180973A IT1002044B IT 1002044 B IT1002044 B IT 1002044B IT 3180973 A IT3180973 A IT 3180973A IT 3180973 A IT3180973 A IT 3180973A IT 1002044 B IT1002044 B IT 1002044B
Authority
IT
Italy
Prior art keywords
traditional
particularly suitable
wide angle
beam antenna
type analysis
Prior art date
Application number
IT3180973A
Other languages
English (en)
Italian (it)
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 IT1002044B publication Critical patent/IT1002044B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0031—Parallel-plate fed arrays; Lens-fed arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/245—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching in the focal plane of a focussing device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
IT3180973A 1972-11-30 1973-11-29 Antenna grandangolare a fascio pla nare adatta particolarmente per ana lisi tradizionale o di tipo doppler IT1002044B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31095772A 1972-11-30 1972-11-30
US31414172A 1972-12-11 1972-12-11

Publications (1)

Publication Number Publication Date
IT1002044B true IT1002044B (it) 1976-05-20

Family

ID=26977669

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3180973A IT1002044B (it) 1972-11-30 1973-11-29 Antenna grandangolare a fascio pla nare adatta particolarmente per ana lisi tradizionale o di tipo doppler

Country Status (3)

Country Link
JP (1) JPS4997550A (cs)
FR (1) FR2217821B1 (cs)
IT (1) IT1002044B (cs)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170158A (en) * 1963-05-08 1965-02-16 Rotman Walter Multiple beam radar antenna system
FR1540363A (fr) * 1966-04-29 1968-09-27 Rohde & Schwarz Fa Dispositif excitateur pour antenne-cadre en forme de paraboloïde de révolution

Also Published As

Publication number Publication date
FR2217821A1 (cs) 1974-09-06
JPS4997550A (cs) 1974-09-14
FR2217821B1 (cs) 1977-06-24

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