EP0137562A2 - Phasenschiebersteuerung bei einer Gruppenantenne - Google Patents

Phasenschiebersteuerung bei einer Gruppenantenne Download PDF

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Publication number
EP0137562A2
EP0137562A2 EP84201399A EP84201399A EP0137562A2 EP 0137562 A2 EP0137562 A2 EP 0137562A2 EP 84201399 A EP84201399 A EP 84201399A EP 84201399 A EP84201399 A EP 84201399A EP 0137562 A2 EP0137562 A2 EP 0137562A2
Authority
EP
European Patent Office
Prior art keywords
phase
antenna
shift control
setting
computing means
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.)
Withdrawn
Application number
EP84201399A
Other languages
English (en)
French (fr)
Other versions
EP0137562A3 (de
Inventor
Willem Mulder
Albert Jan Hendrik Bouwmeester
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.)
Thales Nederland BV
Original Assignee
Thales Nederland 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 Thales Nederland BV filed Critical Thales Nederland BV
Publication of EP0137562A2 publication Critical patent/EP0137562A2/de
Publication of EP0137562A3 publication Critical patent/EP0137562A3/de
Withdrawn legal-status Critical Current

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    • 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

Definitions

  • the invention relates to a phase shift control for a phased array antenna, whereby the antenna modules comprising the phase shifters are arranged in rows and columns, which phase shift control is provided with computing means for caLcuLating the desired phase setting for the separate phase shifters from at Least the beam direction to be determined, the frequency of the energy emitted, and the position of each phase shifter in the array.
  • phase-shift control is known from, for example, M.I. Skolnik, "Introduction to Radar Systems", 2 nd ed., McGraw-Hill Kogakusha, Ltd., 1980, p. 323, where the phase shift for the respective antenna modules is determined in a beam-steering computer. If these phase shifts must be determined for each radar pulse emitted, an exceptionally Large computer capacity will be required for the usually Large number of antenna modules. This capacity can be Limited by refraining from a phase setting per pulse and enabling this setting after each transmission of a given pulse series or by performing the phase setting in accordance with certain patterns.
  • the present invention has for its object to provide such a phase-shift control that with a strongly reduced computer capacity still a phase setting per pulse and per antenna module can be achieved.
  • the computing means thereto comprises central computing means for calculating, from the beam direction to be determined and the frequency of the energy emitted, the terms in the mathematical expression for the phase setting, which terms are the same for all phase shifters, and a computing chip present in each antenna module for determining the desired phase setting from the terms determined by the central computing means and the position of the separate phase shifters in the array.
  • the complete computer processes to be performed are therefore split into processes performed centrally and processes performed locally, i.e. on antenna-module LeveL.
  • the x- and y-axes determine the antenna plane and the z-axis the antenna main axis and it is assumed that the beam direction makes an angle 0 with the z-axis and that the projection of the beam direction on the x-y plane makes an angle ⁇ with the x-axis, then for phase differences ⁇ and ⁇ y between the phase shifters adjoining the x- and y-directions: where d 1 is the distance between two antenna modules in the x-direction and d 2 the distance between two antenna modules in the y-direction. If all antenna modules in the x-y plane are arranged above and next to each other, then for the phase shift for antenna module m,n:
  • this phase shift wiLL be: while maintaining the row and column configuration in the array.
  • the first situation in the array wiLL be considered here, so that
  • K is a constant. It is known to calculate this phase shift for each antena module separately in a beam-steering computer. According to the invention, the caLcuLation is however split into processes performed centrally and processes performed LocaLLy in each antenna module. In the case of centraLLy performed processes, the results can be fed to all antenna modules simultaneously.
  • the d, e, f and g values can be stored permanently in each computing chip; they can however also be supplied by the central computing means each time before the array is activated. In such a case, the B-vaLue can be supplied as well; it is also possible to enter this value separately or simultaneously with the a, b and c values when the array is in the active mode.
  • the numeral 1 represents the central computing means.
  • the computing chip of each antenna module is designated by 2 and the associated phase shifter by 3.
  • the antenna modules are thus formed by the elements 2 and 3 jointly.
  • the data transmissions from the central computing means 1 to the separate antenna modules 2, 3 are routed via the buffer elements 4 by means of the addressing circuit 5.
  • the d-values are the same for the antenna modules Lying in a column.
  • ALL buffer elements 4 are therefore fiLLed with a certain m-value from the central computing means.
  • the e-values are the same for the antenna modules Lying in a row.
  • aLL buffer elements 4 are filled with the same n-value from the central computing means, namely m successive times with a new n-value.
  • the f- and g-values are different for each antenna module.
  • the buffer elements are fiLLed m successive times with a certain C or m,n ⁇ m,n value from the central computing means.
  • the addressing circuit 5 ensures that this information is entered intothe antenna modules.
  • C m,n values are frequency-dependent, it is preferable to enter several of such values in each antenna module to ensure that, when the array is in the active mode, an appropriate C m,n value is avaiLabLe for the LocaLLy performed caLcuLations with each frequency change.
  • the values d 1 .cos ⁇ .sin ⁇ , d 2 .sin ⁇ .sin ⁇ and , supplied to the antenna modules each time, are the same for all antenna modules.
  • the buffer elements 4 are fiLLed successively with the same a-, b- or c-value from the central computing means 1, while the addressing circuit 5 again ensures that this information is entered into the respective antenna modules.
  • the a-, b- and c-values for a subsequent radar pulse are entered into the antenna modules.
  • only a command signal is sent to all antenna modules simultaneously in the same way as the a-, b- and c-values,whereupon the array switches to the newly selected beam direction.

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP84201399A 1983-10-07 1984-10-02 Phasenschiebersteuerung bei einer Gruppenantenne Withdrawn EP0137562A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8303444 1983-10-07
NL8303444A NL8303444A (nl) 1983-10-07 1983-10-07 Fasedraaier-sturing voor een phased-array antenne.

Publications (2)

Publication Number Publication Date
EP0137562A2 true EP0137562A2 (de) 1985-04-17
EP0137562A3 EP0137562A3 (de) 1985-06-12

Family

ID=19842516

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84201399A Withdrawn EP0137562A3 (de) 1983-10-07 1984-10-02 Phasenschiebersteuerung bei einer Gruppenantenne

Country Status (2)

Country Link
EP (1) EP0137562A3 (de)
NL (1) NL8303444A (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617647A1 (fr) * 1985-03-21 1989-01-06 Knudsen Donald Dispositif de commande de mise en forme de faisceau pour antenne reseau a transducteurs multiples
EP0357165A3 (de) * 1988-08-31 1991-03-13 Mitsubishi Denki Kabushiki Kaisha Übertragungssystem von Phasenverschiebungsdaten in phasengesteuerten Gruppenantennengeräten
EP0416264A3 (en) * 1989-09-06 1991-04-10 Hughes Aircraft Company Adaptive polarization combining system
DE3521026A1 (de) * 1985-06-12 1991-05-08 Telefunken Systemtechnik Phasengesteuerte antenne
WO1991001620A3 (en) * 1989-06-02 1991-05-16 Scientific Atlanta Multi-element antenna system and array signal processing method
EP0921591A1 (de) * 1997-12-02 1999-06-09 Nec Corporation Gruppenantenne mit Phasenschieber mit geschalteten verteilten Konstanten
US6198458B1 (en) 1994-11-04 2001-03-06 Deltec Telesystems International Limited Antenna control system
US6573875B2 (en) 2001-02-19 2003-06-03 Andrew Corporation Antenna system
US6677896B2 (en) 1999-06-30 2004-01-13 Radio Frequency Systems, Inc. Remote tilt antenna system
US7031751B2 (en) 2001-02-01 2006-04-18 Kathrein-Werke Kg Control device for adjusting a different slope angle, especially of a mobile radio antenna associated with a base station, and corresponding antenna and corresponding method for modifying the slope angle
US7557675B2 (en) 2005-03-22 2009-07-07 Radiacion Y Microondas, S.A. Broad band mechanical phase shifter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163215A (en) * 1967-04-11 1969-09-04 Gen Electric & English Elect Improvements in or relating to Aerial Arrays
US3699584A (en) * 1970-12-30 1972-10-17 Us Army Insertion phase correction of phase shifters by presetting binary counters
US3697994A (en) * 1971-07-19 1972-10-10 Us Navy Automatic beam steering technique for cylindrical-array radar antennas
FR2235503B1 (de) * 1973-06-28 1978-10-27 Siemens Ag
US4217587A (en) * 1978-08-14 1980-08-12 Westinghouse Electric Corp. Antenna beam steering controller
JPS5665504A (en) * 1979-10-31 1981-06-03 Mitsubishi Electric Corp Beam scanning device

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617647A1 (fr) * 1985-03-21 1989-01-06 Knudsen Donald Dispositif de commande de mise en forme de faisceau pour antenne reseau a transducteurs multiples
DE3521026A1 (de) * 1985-06-12 1991-05-08 Telefunken Systemtechnik Phasengesteuerte antenne
EP0357165A3 (de) * 1988-08-31 1991-03-13 Mitsubishi Denki Kabushiki Kaisha Übertragungssystem von Phasenverschiebungsdaten in phasengesteuerten Gruppenantennengeräten
WO1991001620A3 (en) * 1989-06-02 1991-05-16 Scientific Atlanta Multi-element antenna system and array signal processing method
EP0416264A3 (en) * 1989-09-06 1991-04-10 Hughes Aircraft Company Adaptive polarization combining system
US6538619B2 (en) 1994-11-04 2003-03-25 Andrew Corporation Antenna control system
US6198458B1 (en) 1994-11-04 2001-03-06 Deltec Telesystems International Limited Antenna control system
US6346924B1 (en) 1994-11-04 2002-02-12 Andrew Corporation Antenna control system
CN1316835C (zh) * 1994-11-04 2007-05-16 安德鲁公司 天线控制系统
US6567051B2 (en) 1994-11-04 2003-05-20 Andrew Corporation Antenna control system
US6590546B2 (en) 1994-11-04 2003-07-08 Andrew Corporation Antenna control system
US6600457B2 (en) 1994-11-04 2003-07-29 Andrew Corporation Antenna control system
US6603436B2 (en) 1994-11-04 2003-08-05 Andrew Corporation Antenna control system
US8558739B2 (en) 1994-11-04 2013-10-15 Andrew Llc Antenna control system
EP0921591A1 (de) * 1997-12-02 1999-06-09 Nec Corporation Gruppenantenne mit Phasenschieber mit geschalteten verteilten Konstanten
US6677896B2 (en) 1999-06-30 2004-01-13 Radio Frequency Systems, Inc. Remote tilt antenna system
US7031751B2 (en) 2001-02-01 2006-04-18 Kathrein-Werke Kg Control device for adjusting a different slope angle, especially of a mobile radio antenna associated with a base station, and corresponding antenna and corresponding method for modifying the slope angle
US6573875B2 (en) 2001-02-19 2003-06-03 Andrew Corporation Antenna system
US6987487B2 (en) 2001-02-19 2006-01-17 Andrew Corporation Antenna system
US7557675B2 (en) 2005-03-22 2009-07-07 Radiacion Y Microondas, S.A. Broad band mechanical phase shifter

Also Published As

Publication number Publication date
NL8303444A (nl) 1985-05-01
EP0137562A3 (de) 1985-06-12

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Inventor name: BOUWMEESTER, ALBERT JAN HENDRIK

Inventor name: MULDER, WILLEM