NO156343C - FremgangsmŸte og innretning for undertrykning av interferenssignaler, som fremkommer fra et antall n stkilder anbr agt ved forskjellige steder. - Google Patents

FremgangsmŸte og innretning for undertrykning av interferenssignaler, som fremkommer fra et antall n stkilder anbr agt ved forskjellige steder.

Info

Publication number
NO156343C
NO156343C NO813465A NO813465A NO156343C NO 156343 C NO156343 C NO 156343C NO 813465 A NO813465 A NO 813465A NO 813465 A NO813465 A NO 813465A NO 156343 C NO156343 C NO 156343C
Authority
NO
Norway
Prior art keywords
appear
procedure
different locations
interference signals
suppressing interference
Prior art date
Application number
NO813465A
Other languages
English (en)
Other versions
NO813465L (no
NO156343B (no
Inventor
Einac Van Meurs
Original Assignee
Hollandse Signaalapparaten Bv
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 Hollandse Signaalapparaten Bv filed Critical Hollandse Signaalapparaten Bv
Publication of NO813465L publication Critical patent/NO813465L/no
Publication of NO156343B publication Critical patent/NO156343B/no
Publication of NO156343C publication Critical patent/NO156343C/no

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
    • H01Q3/2635—Combination of a main antenna unit with an auxiliary antenna unit the auxiliary unit being composed of a plurality of antennas
    • 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
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • 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
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals
    • G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
    • 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
    • G01S7/36—Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Noise Elimination (AREA)
NO813465A 1980-10-17 1981-10-14 FremgangsmŸte og innretning for undertrykning av interferenssignaler, som fremkommer fra et antall n stkilder anbr agt ved forskjellige steder. NO156343C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8005725A NL8005725A (nl) 1980-10-17 1980-10-17 Werkwijze en inrichting voor het onderdrukken van stoorsignalen, afkomstig van storingsbronnen, gedurende de ontvangst van doelsechosignalen in de ontvanginrichting van een impulsradarapparaat.

Publications (3)

Publication Number Publication Date
NO813465L NO813465L (no) 1982-04-19
NO156343B NO156343B (no) 1987-05-25
NO156343C true NO156343C (no) 1987-09-02

Family

ID=19836028

Family Applications (1)

Application Number Title Priority Date Filing Date
NO813465A NO156343C (no) 1980-10-17 1981-10-14 FremgangsmŸte og innretning for undertrykning av interferenssignaler, som fremkommer fra et antall n stkilder anbr agt ved forskjellige steder.

Country Status (7)

Country Link
EP (1) EP0050384B1 (no)
JP (1) JPS5796278A (no)
AU (1) AU541554B2 (no)
CA (1) CA1161931A (no)
DE (1) DE3174721D1 (no)
NL (1) NL8005725A (no)
NO (1) NO156343C (no)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5990404A (ja) * 1982-11-16 1984-05-24 Mitsubishi Electric Corp サイドロ−ブ・キヤンセラ
JPH06100647B2 (ja) * 1983-10-19 1994-12-12 日本電気株式会社 コヒアレントサイドロ−ブキャンセラ
FR2632419B1 (fr) * 1983-11-08 1990-10-19 Thomson Csf Procede et dispositif d'antibrouillage pour radar et radar equipe d'un tel dispositif
US4710772A (en) * 1985-12-05 1987-12-01 Raytheon Company Log magnitude pulse interference detection for a radar system
GB2208055B (en) * 1987-08-04 1991-11-20 Raytheon Co Interference cancelling receiving array system
NL8901826A (nl) * 1989-07-14 1991-02-01 Hollandse Signaalapparaten Bv Pulsradarappraat en pulsdiscriminatieschakeling geschikt voor toepassing in een pulsradarapparaat.
RU2504790C1 (ru) * 2012-05-24 2014-01-20 Открытое акционерное общество "Российская корпорация ракетно-космического приборостроения и информационных систем" (ОАО "Российские космические системы") Способ и устройство поиска и обнаружения сигналов
CN104765021A (zh) * 2015-04-22 2015-07-08 芜湖航飞科技股份有限公司 一种雷达抗干扰系统及其方法
CN106483506B (zh) * 2016-10-26 2019-03-22 河海大学 一种认知型自适应干扰抑制方法
DE102021123693B3 (de) 2021-09-14 2023-02-02 H-Next Gmbh Verfahren und Vorrichtung zur Verarbeitung von Signalen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202990A (en) * 1959-05-04 1965-08-24 Gen Electric Intermediate frequency side-lobe canceller
US3727220A (en) * 1971-09-13 1973-04-10 Technology Service Corp Adaptive receiving array method and apparatus for mti radar
US3725922A (en) * 1971-09-13 1973-04-03 Technology Service Corp Convergence rate improvement for adaptive receiving array antennas of higher order than 2-pulse mti cancellers
US3982245A (en) * 1974-07-15 1976-09-21 General Electric Company Sidelobe canceller with programmable correlation signal weighting
US3995271A (en) * 1975-08-20 1976-11-30 The United States Of America As Represented By The Secretary Of The Air Force Adaptive clutter cancellation and interference rejection system for AMTI radar
US4035799A (en) * 1975-11-04 1977-07-12 The United States Of America As Represented By The Secretary Of The Navy Digital mean clutter doppler compensation system
US4086592A (en) * 1977-07-22 1978-04-25 The United States Of America As Represented By The Secretary Of The Navy Digital sidelobe canceller
US4222051A (en) * 1979-01-18 1980-09-09 The United States Of America As Represented By The Secretary Of The Navy Cascaded digital cancelers

Also Published As

Publication number Publication date
NO813465L (no) 1982-04-19
EP0050384B1 (en) 1986-05-28
NL8005725A (nl) 1982-05-17
EP0050384A1 (en) 1982-04-28
DE3174721D1 (en) 1986-07-03
AU7621781A (en) 1982-04-22
CA1161931A (en) 1984-02-07
NO156343B (no) 1987-05-25
JPH0153432B2 (no) 1989-11-14
JPS5796278A (en) 1982-06-15
AU541554B2 (en) 1985-01-10

Similar Documents

Publication Publication Date Title
NO161406C (no) Fremgangsmaate og apparat for undersoekelse av en grunnformasjon som gjennomtrenges av et borehull.
DK321481A (da) Fremgangsmaade til fejl-korrigering af data
NO157917C (no) Fremgangsmaate ved seismiske undersoekelser ved benyttelse av vibrasjonskilder.
NO160109C (no) Fremgangsmaate og apparat for testing av a/d- elller d/a-omsettere.
NO164234C (no) Fremgangsmaate for separering av nitrogen fra naturgass.
NO813369L (no) Fremgangsmaate ved seismiske undersoekelser.
FI791598A (fi) Preventivmedel som insaetts i livmodern
FI833210A (fi) Anordning foer utbalansering av massan i mekanismer, saosom t.ex. en robotarm
NO156343C (no) FremgangsmŸte og innretning for undertrykning av interferenssignaler, som fremkommer fra et antall n stkilder anbr agt ved forskjellige steder.
NO801663L (no) Fremgangsmaate ved utvinning av olje fra et underjordisk reservoar.
MX157082A (es) Procedimiento mejorado para separar compuestos de azufre de un gas
NO155342C (no) Fremgangsmaate ved adskillelse av metan fra en metanholdig raagass.
NO810313L (no) Anordning ved sviller for jernbanespor.
NO158070C (no) Fremgangsmaate for utvinning av raaolje fra en underjordiskformasjon.
ES506897A0 (es) Un procedimiento para la preparacion de n-fenilcarbamatos.
NO154987C (no) Fremgangsmaate til fjerning av kvikksoelv fra svoveldioksydholdige gasser.
ES502549A0 (es) Procedimiento para aislar antigenos glicoproteicos de un vi-rus
NO158215C (no) Fremgangsmaate ved fremstilling av svovel.
NO812617L (no) Fremgangsmaate til adsorptiv fjerning av svovelhydrogen fra gassblandinger.
NO155916C (no) Fremgangsmaate ved utfoerelse av en eksoterm, nikkel-katalysert metaneringsreaksjon.
IT7830199A0 (it) Apparato per riprendere i segnali preregistrati da un disco.
TR21273A (tr) Hidrokarbonlardan amonyak sentezine mahsus usul
NO155684C (no) Fremgangsmaate for fjernelse av svoveldioksyd fra avgasser.
ES503805A0 (es) Un procedimiento de sintesis de la n(1-alil-2-pirrolidinil- metil)-2-metoxi-4-amino-5-metilsulfamoil-benzamida
NO155749C (no) Fremgangsmaate til vekselsidig overfoering av binaere datasignaler over en signalledning som ved begge ender er avsluttet med en transformator.