IT965482B - Sistema di antenna a regolazione di fase particolarmente per la guida di veicoli lungo predetermi nati percorsi - Google Patents

Sistema di antenna a regolazione di fase particolarmente per la guida di veicoli lungo predetermi nati percorsi

Info

Publication number
IT965482B
IT965482B IT52925/72A IT5292572A IT965482B IT 965482 B IT965482 B IT 965482B IT 52925/72 A IT52925/72 A IT 52925/72A IT 5292572 A IT5292572 A IT 5292572A IT 965482 B IT965482 B IT 965482B
Authority
IT
Italy
Prior art keywords
vehicles
antenna system
system particularly
adjustable antenna
driving long
Prior art date
Application number
IT52925/72A
Other languages
English (en)
Italian (it)
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Application granted granted Critical
Publication of IT965482B publication Critical patent/IT965482B/it

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
    • H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
    • 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
    • G01S13/66—Radar-tracking systems; Analogous systems
    • G01S13/68—Radar-tracking systems; Analogous systems for angle tracking only
    • G01S13/685—Radar-tracking systems; Analogous systems for angle tracking only using simultaneous lobing techniques
    • 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
    • H01Q19/12—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 wherein the surfaces are concave
    • H01Q19/17—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 wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
    • 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
    • H01Q3/2658—Phased-array fed focussing structure
    • 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
    • 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
    • H01Q3/44—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 electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H01Q3/46—Active lenses or reflecting arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IT52925/72A 1971-10-04 1972-09-22 Sistema di antenna a regolazione di fase particolarmente per la guida di veicoli lungo predetermi nati percorsi IT965482B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18612871A 1971-10-04 1971-10-04

Publications (1)

Publication Number Publication Date
IT965482B true IT965482B (it) 1974-01-31

Family

ID=22683760

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52925/72A IT965482B (it) 1971-10-04 1972-09-22 Sistema di antenna a regolazione di fase particolarmente per la guida di veicoli lungo predetermi nati percorsi

Country Status (12)

Country Link
US (1) US3775769A (xx)
JP (1) JPS5727604B2 (xx)
AU (1) AU467265B2 (xx)
CA (1) CA978609A (xx)
CH (1) CH553489A (xx)
DE (2) DE2265692C2 (xx)
ES (2) ES406898A1 (xx)
FR (1) FR2156035B1 (xx)
GB (1) GB1367216A (xx)
IT (1) IT965482B (xx)
NL (1) NL163908C (xx)
SE (1) SE386773B (xx)

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Publication number Publication date
US3775769A (en) 1973-11-27
DE2248325A1 (de) 1973-04-12
SE386773B (sv) 1976-08-16
FR2156035B1 (xx) 1977-01-28
DE2265692C2 (xx) 1987-12-10
AU467265B2 (en) 1975-11-27
GB1367216A (en) 1974-09-18
NL163908C (nl) 1980-10-15
CA978609A (en) 1975-11-25
AU4614972A (en) 1974-03-07
JPS4845158A (xx) 1973-06-28
FR2156035A1 (xx) 1973-05-25
ES412739A1 (es) 1976-01-16
DE2248325C2 (de) 1982-06-24
ES406898A1 (es) 1975-10-01
CH553489A (de) 1974-08-30
JPS5727604B2 (xx) 1982-06-11
NL7213080A (xx) 1973-04-06

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