JPS5779701A - Antenna device - Google Patents

Antenna device

Info

Publication number
JPS5779701A
JPS5779701A JP15565680A JP15565680A JPS5779701A JP S5779701 A JPS5779701 A JP S5779701A JP 15565680 A JP15565680 A JP 15565680A JP 15565680 A JP15565680 A JP 15565680A JP S5779701 A JPS5779701 A JP S5779701A
Authority
JP
Japan
Prior art keywords
radiated
antennas
antenna
shield
subelement
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.)
Granted
Application number
JP15565680A
Other languages
Japanese (ja)
Other versions
JPS641964B2 (en
Inventor
Takashi Kataki
Seiji Mano
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP15565680A priority Critical patent/JPS5779701A/en
Priority to US06/317,847 priority patent/US4500882A/en
Publication of JPS5779701A publication Critical patent/JPS5779701A/en
Publication of JPS641964B2 publication Critical patent/JPS641964B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H01Q19/02—Details
    • H01Q19/021—Means for reducing undesirable effects
    • H01Q19/027—Means for reducing undesirable effects for compensating or reducing aperture blockage
    • 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

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

PURPOSE:To give low side lobe characteristics to radiated electromagnetic waves, by providing a subarray antenna connected in cross-link with a primary radiator of a reflecting mirror antenna at the back of it, and compensating the deterioration of radiated pattern by a part of shield through the adjustment of phase of radiated beam. CONSTITUTION:An array antenna 2 consisting of a plurality of element antenna 3 as a primary radiator is provided at the aperture of a reflecting mirror 1 and a subarray antenna 8 consisting of a plurality of subelement antennas 9 is provided at the back. A signal source 4 is applied to couplers 6, 10 through a meandering feeding line 5 and to the element antennas 3 through a feeding line 7. The subelement antennas 9 are connected in cross-link to the antennas 3 radiated electromagnetic waves eliminated due to shield partly are compensated by adjusting the phase of radiated beam with a variable phase shifter 13, and the radiated pattern before te shield is restored to give the low side lobe characteristics.
JP15565680A 1980-11-05 1980-11-05 Antenna device Granted JPS5779701A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15565680A JPS5779701A (en) 1980-11-05 1980-11-05 Antenna device
US06/317,847 US4500882A (en) 1980-11-05 1981-11-03 Antenna system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15565680A JPS5779701A (en) 1980-11-05 1980-11-05 Antenna device

Publications (2)

Publication Number Publication Date
JPS5779701A true JPS5779701A (en) 1982-05-19
JPS641964B2 JPS641964B2 (en) 1989-01-13

Family

ID=15610729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15565680A Granted JPS5779701A (en) 1980-11-05 1980-11-05 Antenna device

Country Status (1)

Country Link
JP (1) JPS5779701A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0355259U (en) * 1989-10-04 1991-05-28
JPH0585016A (en) * 1991-09-25 1993-04-06 Roland Tec Kk Damping table for printer

Also Published As

Publication number Publication date
JPS641964B2 (en) 1989-01-13

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