FR2365130A1 - Dispositif pour le reglage de la frequence de balayage conique dans des systemes de radar a balayage conique - Google Patents

Dispositif pour le reglage de la frequence de balayage conique dans des systemes de radar a balayage conique

Info

Publication number
FR2365130A1
FR2365130A1 FR7709763A FR7709763A FR2365130A1 FR 2365130 A1 FR2365130 A1 FR 2365130A1 FR 7709763 A FR7709763 A FR 7709763A FR 7709763 A FR7709763 A FR 7709763A FR 2365130 A1 FR2365130 A1 FR 2365130A1
Authority
FR
France
Prior art keywords
tapered
scan
random
generator
adjusting
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.)
Granted
Application number
FR7709763A
Other languages
English (en)
Other versions
FR2365130B1 (fr
Inventor
Filippo Neri
Alfredo Albrande
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.)
Leonardo SpA
Original Assignee
Selenia Industrie Elettroniche Associate SpA
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 Selenia Industrie Elettroniche Associate SpA filed Critical Selenia Industrie Elettroniche Associate SpA
Publication of FR2365130A1 publication Critical patent/FR2365130A1/fr
Application granted granted Critical
Publication of FR2365130B1 publication Critical patent/FR2365130B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave

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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Ce dispositif est du type de ceux dans lesquels un illuminateur d'antenne est mis en rotation au moyen d'un moteur asynchrone à champ tournant (triphasé), et qui comprennent des moyens pour modifier de maniere incohérente la fréquence angulaire du balayage. Il comprend un générateur de référence adjoint au moteur asynchrone, un générateur de signaux aléatoires ou pseudo-aléatoires, et un circuit qui compare le signal du générateur de référence et le signal du générateur de signaux aléatoires pour produire au niveau du moteur, un champ magnétique de freinage ou une pleine alimentation, ou pour produire un changement d'état du générateur de signaux aléatoires ou pseudo-aléatoires.
FR7709763A 1976-09-16 1977-03-31 Dispositif pour le reglage de la frequence de balayage conique dans des systemes de radar a balayage conique Granted FR2365130A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT51310/76A IT1074497B (it) 1976-09-16 1976-09-16 Dispositivo per il controllo della frequenza di scansione conica per sistemi radar a scansione conica

Publications (2)

Publication Number Publication Date
FR2365130A1 true FR2365130A1 (fr) 1978-04-14
FR2365130B1 FR2365130B1 (fr) 1983-04-29

Family

ID=11274834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7709763A Granted FR2365130A1 (fr) 1976-09-16 1977-03-31 Dispositif pour le reglage de la frequence de balayage conique dans des systemes de radar a balayage conique

Country Status (6)

Country Link
US (1) US4107683A (fr)
DE (1) DE2713419A1 (fr)
FR (1) FR2365130A1 (fr)
GB (1) GB1553745A (fr)
IT (1) IT1074497B (fr)
NL (1) NL7705124A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036234A1 (fr) * 1980-03-19 1981-09-23 Societe D'optique, De Mecanique D'electricite Et De Radio O.M.E.R.A. - S.E.G.I.D. Système de balayage sectoral automatique d'un arbre de rotation de part et d'autre d'une position angulaire prédéterminée qui reste fixe au cours du temps

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183023A (en) * 1962-04-20 1980-01-08 The United States Of America As Represented By The Secretary Of The Navy Anti-jam device for a conical scan tracking radar
US6573800B2 (en) 2001-06-15 2003-06-03 Electric Boat Corporation Continuously changing random signal generating arrangement and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2885620A (en) * 1956-06-05 1959-05-05 Frank T Haas Antenna drive motor control system
FR1197848A (fr) * 1957-01-12 1959-12-03 Hollandse Signaalapparaten Bv Perfectionnement d'un radar à recherche automatique
US3437894A (en) * 1966-03-29 1969-04-08 Us Navy Multiple speed servomechanism drive system for positioning an antenna in direct response to digital signals
US3487277A (en) * 1966-09-19 1969-12-30 Cubic Corp Dynamic servomechanism reversal system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947847A (en) * 1969-03-24 1976-03-30 The United States Of America As Represented By The Secretary Of The Navy Radar system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2885620A (en) * 1956-06-05 1959-05-05 Frank T Haas Antenna drive motor control system
FR1197848A (fr) * 1957-01-12 1959-12-03 Hollandse Signaalapparaten Bv Perfectionnement d'un radar à recherche automatique
US3437894A (en) * 1966-03-29 1969-04-08 Us Navy Multiple speed servomechanism drive system for positioning an antenna in direct response to digital signals
US3487277A (en) * 1966-09-19 1969-12-30 Cubic Corp Dynamic servomechanism reversal system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036234A1 (fr) * 1980-03-19 1981-09-23 Societe D'optique, De Mecanique D'electricite Et De Radio O.M.E.R.A. - S.E.G.I.D. Système de balayage sectoral automatique d'un arbre de rotation de part et d'autre d'une position angulaire prédéterminée qui reste fixe au cours du temps

Also Published As

Publication number Publication date
IT1074497B (it) 1985-04-20
GB1553745A (en) 1979-09-26
US4107683A (en) 1978-08-15
DE2713419A1 (de) 1978-03-23
NL7705124A (nl) 1978-03-20
FR2365130B1 (fr) 1983-04-29

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