JPS56140702A - Antenna system - Google Patents

Antenna system

Info

Publication number
JPS56140702A
JPS56140702A JP4265480A JP4265480A JPS56140702A JP S56140702 A JPS56140702 A JP S56140702A JP 4265480 A JP4265480 A JP 4265480A JP 4265480 A JP4265480 A JP 4265480A JP S56140702 A JPS56140702 A JP S56140702A
Authority
JP
Japan
Prior art keywords
antenna
terminal
hybrid
bearings
output
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.)
Pending
Application number
JP4265480A
Other languages
English (en)
Inventor
Eiji Tomimatsu
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 JP4265480A priority Critical patent/JPS56140702A/ja
Publication of JPS56140702A publication Critical patent/JPS56140702A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01Q3/36—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 with variable phase-shifters

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
JP4265480A 1980-03-31 1980-03-31 Antenna system Pending JPS56140702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4265480A JPS56140702A (en) 1980-03-31 1980-03-31 Antenna system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4265480A JPS56140702A (en) 1980-03-31 1980-03-31 Antenna system

Publications (1)

Publication Number Publication Date
JPS56140702A true JPS56140702A (en) 1981-11-04

Family

ID=12641989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4265480A Pending JPS56140702A (en) 1980-03-31 1980-03-31 Antenna system

Country Status (1)

Country Link
JP (1) JPS56140702A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994013031A1 (en) * 1992-12-01 1994-06-09 Ntt Mobile Communications Network Inc. Multi-beam antenna apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5687903A (en) * 1979-12-18 1981-07-17 Mitsubishi Electric Corp Antenna system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5687903A (en) * 1979-12-18 1981-07-17 Mitsubishi Electric Corp Antenna system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994013031A1 (en) * 1992-12-01 1994-06-09 Ntt Mobile Communications Network Inc. Multi-beam antenna apparatus
US5686926A (en) * 1992-12-01 1997-11-11 Ntt Mobile Communications Network Inc. Multibeam antenna devices

Similar Documents

Publication Publication Date Title
GB1534379A (en) Communications system
JPS56140702A (en) Antenna system
EP0140597A3 (en) Multimode radar
EP0104843A3 (en) Transducer device
JPS55133148A (en) Interference wave removal system
GB1151390A (en) Improvements in or relating to Networks Employing Hybrid Junctions
JPS5687903A (en) Antenna system
GB1286757A (en) Predetection signal processing system
GB2270217B (en) Detecing faults in power lines
Godara et al. The effect of bandwidth on the performance of a postbeamformer interference canceller
JPS5624541A (en) Leakage position detector for liquefied metal
JPS5754402A (ja) Isohantengatakahengensuiki
FR2455369A1 (fr) Antenne monopulsee a domaine de mesure angulaire elargi et radar equipe d'une telle antenne
SU1210167A1 (ru) Адаптивное антенное устройство
SU1587617A1 (ru) Многоканальный СВЧ-усилитель
SU1840570A1 (ru) Многолучевая адаптивнная антенная решетка
GB1403747A (en) Mode extracter for antenna tracking systems
SU1840993A1 (en) Device for discrimination between chirp signals, phase-shift keyed signal and normal signal
GB1238424A (ja)
ES473457A1 (es) Mejoras introducidas en los sistemas de protecciones diferenciales de transformadores.
SU1504693A1 (ru) Адаптивна антенна решетка с ограничением направленности
JPH0315783A (ja) グラムシュミット方式妨害波除去装置
JPS5648734A (en) Predistorter
JPS53112647A (en) Rejecting system for interference noise
JPS5672548A (en) Space diversity receiving system