ES392633A1 - Mejoras en antenas de radar monoimpulso con polarizacion conmutable. - Google Patents

Mejoras en antenas de radar monoimpulso con polarizacion conmutable.

Info

Publication number
ES392633A1
ES392633A1 ES392633A ES392633A ES392633A1 ES 392633 A1 ES392633 A1 ES 392633A1 ES 392633 A ES392633 A ES 392633A ES 392633 A ES392633 A ES 392633A ES 392633 A1 ES392633 A1 ES 392633A1
Authority
ES
Spain
Prior art keywords
horn
over
polarizer
shift
monopulse
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.)
Expired
Application number
ES392633A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES392633A1 publication Critical patent/ES392633A1/es
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/42Simultaneous measurement of distance and other co-ordinates
    • G01S13/44Monopulse radar, i.e. simultaneous lobing
    • G01S13/4409HF sub-systems particularly adapted therefor, e.g. circuits for signal combination
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/24Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/02Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns

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)
  • Waveguide Aerials (AREA)
ES392633A 1970-06-25 1971-06-25 Mejoras en antenas de radar monoimpulso con polarizacion conmutable. Expired ES392633A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7023592A FR2092860B1 (enExample) 1970-06-25 1970-06-25

Publications (1)

Publication Number Publication Date
ES392633A1 true ES392633A1 (es) 1973-07-16

Family

ID=9057796

Family Applications (1)

Application Number Title Priority Date Filing Date
ES392633A Expired ES392633A1 (es) 1970-06-25 1971-06-25 Mejoras en antenas de radar monoimpulso con polarizacion conmutable.

Country Status (5)

Country Link
US (1) US3701160A (enExample)
BE (1) BE769028A (enExample)
CH (1) CH541235A (enExample)
ES (1) ES392633A1 (enExample)
FR (1) FR2092860B1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1163580B (it) * 1983-06-23 1987-04-08 Contraves Italiana Spa Antenna a riflettore a due o piu' fasci sagomati e complementari rispetto ad un diagramma di copertura desiderato
US5905457A (en) * 1990-10-11 1999-05-18 Rashid; Charles Vehicle radar safety apparatus
US5258764A (en) * 1991-09-26 1993-11-02 Santa Barbara Research Center Satellite orientation detection system
US5337058A (en) * 1993-04-16 1994-08-09 United Technologies Corporation Fast switching polarization diverse radar antenna system
WO1995001661A1 (en) * 1993-06-29 1995-01-12 Antenna Down Link, Inc. Multiple-frequency microwave feed assembly
JPH0951293A (ja) * 1995-05-30 1997-02-18 Matsushita Electric Ind Co Ltd 室内無線通信システム
US5883602A (en) * 1996-06-05 1999-03-16 Apti, Inc. Wideband flat short foci lens antenna
US6593893B2 (en) * 2000-03-06 2003-07-15 Hughes Electronics Corporation Multiple-beam antenna employing dielectric filled feeds for multiple and closely spaced satellites
FR2810799A1 (fr) * 2000-06-23 2001-12-28 Thomson Csf Antenne bi-faisceaux a deux sources
DE102008010772A1 (de) * 2008-02-25 2009-08-27 Rst Raumfahrt Systemtechnik Gmbh Radargerät mit synthetischer Apertur und Verfahren zum Betrieb eines Radargeräts mit synthetischer Apertur
JP4766405B2 (ja) * 2008-11-14 2011-09-07 トヨタ自動車株式会社 レーダ装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE886163C (de) * 1943-08-14 1953-08-13 Telefunken Gmbh Richtantennensystem
US2605420A (en) * 1946-01-08 1952-07-29 Jaffe David Lawrence Pressurized antenna feed
US2934762A (en) * 1956-11-15 1960-04-26 Sperry Rand Corp Selective polarization antenna
GB1157971A (en) * 1965-08-28 1969-07-09 Telefunken Patent Aerial System for an Earth Satellite

Also Published As

Publication number Publication date
FR2092860B1 (enExample) 1976-09-03
DE2131352A1 (de) 1971-12-30
BE769028A (fr) 1971-12-27
DE2131352B2 (de) 1976-12-30
FR2092860A1 (enExample) 1972-01-28
US3701160A (en) 1972-10-24
CH541235A (fr) 1973-08-31

Similar Documents

Publication Publication Date Title
CA1035861A (en) Cassegrain antenna with improved subreflector for terrestrial communication systems
GB1070549A (en) Antenna array system
ES392633A1 (es) Mejoras en antenas de radar monoimpulso con polarizacion conmutable.
CA1033833A (en) Mounting for satellite tracking antenna
CA963109A (en) Microwave antenna with radome
NL7408744A (nl) Richtantenne met reflector en subreflector.
GB978509A (en) Improvements in and relating to aerials
JPS538546A (en) Circular array antenna
JPS52106292A (en) Electric wave angle measurement system
GB901005A (en) Improvements in or relating to a parabolic reflector antenna for waves polarized in two directions
JPS51114053A (en) Spherical array antenna
JPS52101950A (en) Circularly and linearly polarized radar reflector
JPS5252550A (en) Reception antenna
FR2296280A1 (fr) Antenne cassegrain a symetrie de revolution
ES323627A1 (es) Perfeccionamientos en radiogoniometros.
JPS52120653A (en) Circular array antenna
JPS5224059A (en) Circular polarized antenna
JPS5374342A (en) Parabola antenna device
ES304132A1 (es) Sistema de formaciën de antenas para recepciën de senales en frecuencia ultraelevada
AU477346B2 (en) Cross-polarized parabolic antenna
CA965852A (en) Cross-polarized parabolic antenna
JPS5224058A (en) Circular polarized wave antenna
IT1031181B (it) Sistema di antenne direttive con dispositivo correttore d i direzione
CA785946A (en) Parabolic antenna with low-loss flexible radome
FR2261629A1 (en) Antennae reflector for satellite communications - multi reflector system avoiding cross polarisation effects