NL270086A - - Google Patents

Info

Publication number
NL270086A
NL270086A NL270086DA NL270086A NL 270086 A NL270086 A NL 270086A NL 270086D A NL270086D A NL 270086DA NL 270086 A NL270086 A NL 270086A
Authority
NL
Netherlands
Application number
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.)
Publication of NL270086A publication Critical patent/NL270086A/xx

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
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • G01S13/44—Monopulse radar, i.e. simultaneous lobing
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
NL270086D 1960-10-10 NL270086A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR840705A FR1285918A (fr) 1960-10-10 1960-10-10 Perfectionnement au radar

Publications (1)

Publication Number Publication Date
NL270086A true NL270086A (ja)

Family

ID=8740437

Family Applications (1)

Application Number Title Priority Date Filing Date
NL270086D NL270086A (ja) 1960-10-10

Country Status (5)

Country Link
US (1) US3167761A (ja)
DE (1) DE1237187B (ja)
FR (1) FR1285918A (ja)
GB (1) GB946978A (ja)
NL (1) NL270086A (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947848A (en) * 1962-08-07 1976-03-30 The United States Of America As Represented By The Secretary Of The Navy Anti-jam dual channel video cancellation circuit for first target tracking system
US3579239A (en) * 1965-07-13 1971-05-18 Martin Marietta Corp Angularly selective monopulse reception
US5572215A (en) * 1967-04-13 1996-11-05 Hughes Aircraft Company Digital data processor
US3503069A (en) * 1968-02-27 1970-03-24 Bell Telephone Labor Inc System for nulling array sensitivity patterns
US3681695A (en) * 1969-09-02 1972-08-01 Raytheon Co Multipath compensation system
US4146889A (en) * 1972-01-20 1979-03-27 Technology Service Corporation Method and apparatus for sidelobe reduction in radar
US4075566A (en) * 1972-03-30 1978-02-21 Catv Components Co. Co-channel interference suppression apparatus
US5307069A (en) * 1973-11-02 1994-04-26 Hughes Aircraft Company Improved radar receiver system
US3881177A (en) * 1974-03-12 1975-04-29 Us Army Frequency agile-baseband sidelobe canceller
US4005426A (en) * 1975-09-10 1977-01-25 Cutler-Hammer, Inc. Signal processing method and apparatus
US4057802A (en) * 1975-09-11 1977-11-08 Sanders Associates, Inc. Sidelobe cancellation system
US4126828A (en) * 1976-07-31 1978-11-21 Trio Kabushiki Kaisha Intermodulation antiinterference device for superheterodyne receiver
FR2367288A1 (fr) * 1976-10-05 1978-05-05 Thomson Csf Dispositif d'elimination des echos recus dans les lobes secondaires d'une antenne d'un systeme de detection electromagnetique, et systeme comportant un tel dispositif
DE2720055C1 (de) * 1977-05-05 1991-03-28 Siemens Ag Primaerradar-Rundsuchanlage mit elektronischer Gegengegenmassnahme(ECCM)durch eine zusaetzliche Empfangsantenne
US5394153A (en) * 1978-12-21 1995-02-28 Itt Corporation Compressive receiver having a plurality of RF inputs
DE2932896C2 (de) * 1979-08-14 1982-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung für die Empfangsstelle einer Diversity-Übertragungsstrecke
US4373210A (en) * 1981-03-27 1983-02-08 Bell Telephone Laboratories, Incorporated Space diversity combiner
US4535476A (en) * 1982-12-01 1985-08-13 At&T Bell Laboratories Offset geometry, interference canceling receiver
JPS59101906A (ja) * 1982-12-02 1984-06-12 Mitsubishi Electric Corp アンテナ装置
US4697188A (en) * 1985-02-13 1987-09-29 American Telephone And Telegraph Company, At&T Bell Laboratories Interference canceler with difference beam
CN107276599B (zh) * 2016-04-07 2021-05-04 中兴通讯股份有限公司 抗干扰方法、电路及移动终端
GB2583067A (en) * 2019-02-28 2020-10-21 Bookham David Receiving apparatus
CN111505621B (zh) * 2020-05-07 2022-07-15 北京无线电测量研究所 用于运动平台的精细化运动目标定位方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB507754A (en) * 1937-11-16 1939-06-16 William Spencer Percival Improvements in or relating to wireless systems employing pulses
USRE23440E (en) * 1941-01-17 1951-12-18 Interference reducing radio
DE900832C (de) * 1945-03-07 1954-01-04 Siemens Ag Funkempfangsanordnung fuer impulsfoermige Signale
US2871346A (en) * 1954-05-13 1959-01-27 Sanders Associates Inc Noise comparison signal detecting system
FR1193836A (ja) * 1957-04-04 1959-11-05

Also Published As

Publication number Publication date
US3167761A (en) 1965-01-26
DE1237187B (de) 1967-03-23
GB946978A (en) 1964-01-15
FR1285918A (fr) 1962-03-02

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