FR2669114B1 - Appareil pour attenuer les lobes lateraux dans un diagramme directionnel de rayonnement d'un reseau. - Google Patents

Appareil pour attenuer les lobes lateraux dans un diagramme directionnel de rayonnement d'un reseau.

Info

Publication number
FR2669114B1
FR2669114B1 FR9109766A FR9109766A FR2669114B1 FR 2669114 B1 FR2669114 B1 FR 2669114B1 FR 9109766 A FR9109766 A FR 9109766A FR 9109766 A FR9109766 A FR 9109766A FR 2669114 B1 FR2669114 B1 FR 2669114B1
Authority
FR
France
Prior art keywords
network
side lobes
directional radiation
radiation diagram
mitigating side
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 - Fee Related
Application number
FR9109766A
Other languages
English (en)
Other versions
FR2669114A1 (fr
Inventor
Gilmour John Edward
Mitchell Bruce Cameron
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2669114A1 publication Critical patent/FR2669114A1/fr
Application granted granted Critical
Publication of FR2669114B1 publication Critical patent/FR2669114B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52003—Techniques for enhancing spatial resolution of targets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/905—Side lobe reduction or shading

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR9109766A 1990-08-01 1991-07-31 Appareil pour attenuer les lobes lateraux dans un diagramme directionnel de rayonnement d'un reseau. Expired - Fee Related FR2669114B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/561,549 US5043951A (en) 1990-08-01 1990-08-01 Apparatus for reduction of side lobes in a beam pattern of an array

Publications (2)

Publication Number Publication Date
FR2669114A1 FR2669114A1 (fr) 1992-05-15
FR2669114B1 true FR2669114B1 (fr) 1993-05-21

Family

ID=24242437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9109766A Expired - Fee Related FR2669114B1 (fr) 1990-08-01 1991-07-31 Appareil pour attenuer les lobes lateraux dans un diagramme directionnel de rayonnement d'un reseau.

Country Status (3)

Country Link
US (1) US5043951A (fr)
FR (1) FR2669114B1 (fr)
GB (1) GB2247752A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5203823A (en) * 1989-02-28 1993-04-20 Mitsubishi Denki Kabushiki Kaisha Detecting apparatus
DE69106209T2 (de) * 1990-04-27 1995-08-31 Mitsubishi Electric Corp Aufsichtsvorrichtung.
US5241314A (en) * 1991-08-16 1993-08-31 Kaman Aerospace Corporation Image lidar transmitter downlink for command guidance of underwater vehicle
US5442358A (en) * 1991-08-16 1995-08-15 Kaman Aerospace Corporation Imaging lidar transmitter downlink for command guidance of underwater vehicle
US5248978A (en) * 1991-08-16 1993-09-28 Kaman Aerospace Corporation Underwater guide vehicle for removal of submerged and floating navigational hazards
US5546356A (en) * 1993-06-30 1996-08-13 The United States Of America As Represented By The Secretary Of The Navy Wide beam acoustic projector with sharp cutoff and low side lobes
US5483500A (en) * 1993-12-16 1996-01-09 Seabeam Instruments Inc. Signal processing system and method for use in multibeam sensing systems
US7539082B2 (en) 2006-09-28 2009-05-26 Teledyne Rd Instruments, Inc. System and method for acoustic Doppler velocity processing with a phased array transducer including using a wide bandwidth pulse transmission to resolve ambiguity in a narrow bandwidth velocity estimate
WO2008039948A2 (fr) * 2006-09-28 2008-04-03 Teledyne Rd Instruments, Inc. Système et procédé pour le traitement de la vitesse doppler acoustique avec un transducteur à commande de phase
US7542374B2 (en) 2006-09-28 2009-06-02 Teledyne Rd Instruments, Inc. System and method for acoustic Doppler velocity processing with a phased array transducer including applying correction factors to velocities orthogonal to the transducer face
US7839720B2 (en) * 2006-09-28 2010-11-23 Teledyne Rd Instruments, Inc. System and method for acoustic doppler velocity processing with a phased array transducer including using differently coded transmit pulses in each beam so that the cross-coupled side lobe error is removed
JP5074299B2 (ja) * 2008-06-06 2012-11-14 古野電気株式会社 水中探知装置
CN109709562B (zh) * 2018-11-08 2023-08-29 中国船舶重工集团公司七五0试验场 一种探测声纳的目标分辨数据处理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974500A (en) * 1975-01-13 1976-08-10 The Singer Company Velocity sensing apparatus
US4060792A (en) * 1976-06-17 1977-11-29 Raytheon Company Hard clipped beam former
US4438530A (en) * 1982-06-14 1984-03-20 Bell Telephone Laboratories, Incorporated Adaptive cross-polarization interference cancellation system
FR2614427B1 (fr) * 1987-04-24 1989-06-09 Thomson Csf Procede de telemetrie sonore passive

Also Published As

Publication number Publication date
US5043951A (en) 1991-08-27
GB9116352D0 (en) 1991-09-11
GB2247752A (en) 1992-03-11
FR2669114A1 (fr) 1992-05-15

Similar Documents

Publication Publication Date Title
FR2663688B1 (fr) Ensemble d'alarme pour machine de terrassement.
FR2615647B1 (fr) Ecran de protection pour reseau d'antennes
FR2659011B1 (fr) Composition resistante a l'eau pour le revetement des cils, et son procede de preparation.
FR2665033B3 (fr) Dispositif de reglage pour micro-mouvements.
FR2657774B1 (fr) Sabot de prise sacree pour dispositif d'osteosynthese rachidienne.
FR2557246B1 (fr) Dispositif d'obturation pour robinet-vanne
FR2602064B1 (fr) Support photosensible pour l'electrophotographie.
FR2669114B1 (fr) Appareil pour attenuer les lobes lateraux dans un diagramme directionnel de rayonnement d'un reseau.
FR2654332B1 (fr) Appareillage pour stomie.
FR2662934B1 (fr) Appareillage pour stomie.
FR2659192B1 (fr) Appareillage pour culture hors-sol.
FR2728777B1 (fr) Dispositif pour eliminer les callosites
FR2720261B1 (fr) Implant pour dispositif d'ostéosynthèse.
FR2668029B3 (fr) Dispositif pour recouvrir les fosses de plantation d'arbres dans les surfaces de circulation.
FR2614929B1 (fr) Tablier pour volet roulant
FR2695571B1 (fr) Autoclave et gobelets pour autoclave.
FR2666234B1 (fr) Cuissard pour la pratique de l'escalade.
FR2668676B2 (fr) Dispositif perfectionne pour l'application de micro-ondes.
FR2719575B1 (fr) Dispositif de rappel d'une coiffe pour coussin.
FR2622561B1 (fr) Dispositif a passerelle inclinable, notamment pour l'epandage du gravillon
FR2687533B1 (fr) Dispositif de preparation de sol pour en retirer des objets.
FR2688426B1 (fr) Procede de preparation d'une surface pour l'accrochage d'un revetement.
FR2668895B1 (fr) Machine pour la preparation de brochettes.
DE69200942T2 (de) Sous ensemble de freinage pour vehicule.
FR2687331B1 (fr) Dispositif de preparation d'un produit pour dialyse.

Legal Events

Date Code Title Description
ST Notification of lapse