CA1227837A - Narrow-band beam steering system - Google Patents

Narrow-band beam steering system

Info

Publication number
CA1227837A
CA1227837A CA000477356A CA477356A CA1227837A CA 1227837 A CA1227837 A CA 1227837A CA 000477356 A CA000477356 A CA 000477356A CA 477356 A CA477356 A CA 477356A CA 1227837 A CA1227837 A CA 1227837A
Authority
CA
Canada
Prior art keywords
sine
summing
cosine
circuit
signal
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
CA000477356A
Other languages
English (en)
French (fr)
Inventor
Samuel W. Autrey
Harold G. Drab
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Application granted granted Critical
Publication of CA1227837A publication Critical patent/CA1227837A/en
Expired legal-status Critical Current

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
    • H01Q3/30—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
    • H01Q3/38—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 the phase-shifters being digital
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/004—Switched capacitor networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
CA000477356A 1984-03-26 1985-03-25 Narrow-band beam steering system Expired CA1227837A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US593,155 1984-03-26
US06/593,155 US4616231A (en) 1984-03-26 1984-03-26 Narrow-band beam steering system

Publications (1)

Publication Number Publication Date
CA1227837A true CA1227837A (en) 1987-10-06

Family

ID=24373608

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000477356A Expired CA1227837A (en) 1984-03-26 1985-03-25 Narrow-band beam steering system

Country Status (7)

Country Link
US (1) US4616231A (enEXAMPLES)
EP (1) EP0174948A1 (enEXAMPLES)
CA (1) CA1227837A (enEXAMPLES)
ES (1) ES8703065A1 (enEXAMPLES)
GR (1) GR850479B (enEXAMPLES)
IT (1) IT1209944B (enEXAMPLES)
WO (1) WO1985004508A1 (enEXAMPLES)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014061A (en) * 1989-04-24 1991-05-07 Technology Research International Adaptive multifrequency signal combining system
US5019793A (en) * 1990-05-21 1991-05-28 Hughes Aircraft Company Digitally implemented variable phase shifter and amplitude weighting device
US6111816A (en) * 1997-02-03 2000-08-29 Teratech Corporation Multi-dimensional beamforming device
US6292433B1 (en) 1997-02-03 2001-09-18 Teratech Corporation Multi-dimensional beamforming device
US6721235B2 (en) 1997-02-03 2004-04-13 Teratech Corporation Steerable beamforming system
US6842401B2 (en) 2000-04-06 2005-01-11 Teratech Corporation Sonar beamforming system
US6506154B1 (en) * 2000-11-28 2003-01-14 Insightec-Txsonics, Ltd. Systems and methods for controlling a phased array focused ultrasound system
US9278159B2 (en) 2005-07-22 2016-03-08 The Board Of Trustees Of The Leland Stanford Junior University Light-activated cation channel and uses thereof
US9238150B2 (en) 2005-07-22 2016-01-19 The Board Of Trustees Of The Leland Stanford Junior University Optical tissue interface method and apparatus for stimulating cells
US8926959B2 (en) 2005-07-22 2015-01-06 The Board Of Trustees Of The Leland Stanford Junior University System for optical stimulation of target cells
US9274099B2 (en) 2005-07-22 2016-03-01 The Board Of Trustees Of The Leland Stanford Junior University Screening test drugs to identify their effects on cell membrane voltage-gated ion channel
US10052497B2 (en) 2005-07-22 2018-08-21 The Board Of Trustees Of The Leland Stanford Junior University System for optical stimulation of target cells
US8398692B2 (en) 2007-01-10 2013-03-19 The Board Of Trustees Of The Leland Stanford Junior University System for optical stimulation of target cells
WO2008101128A1 (en) 2007-02-14 2008-08-21 The Board Of Trustees Of The Leland Stanford Junior University System, method and applications involving identification of biological circuits such as neurological characteristics
WO2008106694A2 (en) 2007-03-01 2008-09-04 The Board Of Trustees Of The Leland Stanford Junior University Systems, methods and compositions for optical stimulation of target cells
JP2009088246A (ja) * 2007-09-28 2009-04-23 Canon Inc 露光装置およびデバイス製造方法
US10035027B2 (en) 2007-10-31 2018-07-31 The Board Of Trustees Of The Leland Stanford Junior University Device and method for ultrasonic neuromodulation via stereotactic frame based technique
US10434327B2 (en) 2007-10-31 2019-10-08 The Board Of Trustees Of The Leland Stanford Junior University Implantable optical stimulators
SG189813A1 (en) 2008-04-23 2013-05-31 Univ Leland Stanford Junior Systems, methods and compositions for optical stimulation of target cells
MY152003A (en) 2008-05-29 2014-08-15 Univ Leland Stanford Junior Cell line, system and method for optical control of secondary messengers
MX2010014101A (es) 2008-06-17 2011-03-04 Univ Leland Stanford Junior Aparato y metodos para controlar el desarrollo celular.
CA2728238C (en) 2008-06-17 2019-03-12 M. Bret Schneider Methods, systems and devices for optical stimulation of target cells using an optical transmission element
US9101759B2 (en) 2008-07-08 2015-08-11 The Board Of Trustees Of The Leland Stanford Junior University Materials and approaches for optical stimulation of the peripheral nervous system
NZ602416A (en) 2008-11-14 2014-08-29 Univ Leland Stanford Junior Optically-based stimulation of target cells and modifications thereto
WO2011024074A2 (en) 2009-08-26 2011-03-03 Insightec Ltd. Asymmetric phased-array ultrasound transducer
WO2011045669A2 (en) 2009-10-14 2011-04-21 Insightec Ltd. Mapping ultrasound transducers
SG183899A1 (en) 2010-03-17 2012-10-30 Univ Leland Stanford Junior Light-sensitive ion-passing molecules
US9852727B2 (en) 2010-04-28 2017-12-26 Insightec, Ltd. Multi-segment ultrasound transducers
ES2625179T3 (es) 2010-11-05 2017-07-18 The Board Of Trustees Of The Leland Stanford Junior University Control optogenético de comportamientos relacionados con la recompensa
CA2816990A1 (en) 2010-11-05 2012-05-10 The Board Of Trustees Of The Leland Stanford Junior University Stabilized step function opsin proteins and methods of using the same
CA2816972C (en) 2010-11-05 2019-12-03 The Board Of Trustees Of The Leland Stanford Junior University Control and characterization of memory function
EP3486253A1 (en) 2010-11-05 2019-05-22 The Board of Trustees of The Leland Stanford Junior University Light-activated chimeric opsins and methods of using the same
ES2690172T3 (es) 2010-11-05 2018-11-19 The Board Of Trustees Of The Leland Stanford Junior University Conversión ascendente de la luz para su uso en métodos optogenéticos
CA2816968C (en) 2010-11-05 2019-11-26 The Board Of Trustees Of The Leland Stanford Junior University Optically-controlled cns dysfunction
US8696722B2 (en) 2010-11-22 2014-04-15 The Board Of Trustees Of The Leland Stanford Junior University Optogenetic magnetic resonance imaging
AU2012352429B2 (en) 2011-12-16 2018-07-19 The Board Of Trustees Of The Leland Stanford Junior University Opsin polypeptides and methods of use thereof
ES2628006T3 (es) 2012-02-21 2017-08-01 Circuit Therapeutics, Inc. Composiciones para el tratamiento de trastornos neurogénicos del suelo pélvico
EP2968997B1 (en) 2013-03-15 2019-06-26 The Board of Trustees of the Leland Stanford Junior University Optogenetic control of behavioral state
US9636380B2 (en) 2013-03-15 2017-05-02 The Board Of Trustees Of The Leland Stanford Junior University Optogenetic control of inputs to the ventral tegmental area
CN105431046B (zh) 2013-04-29 2020-04-17 小利兰·斯坦福大学托管委员会 用于靶细胞中的动作电位的光遗传学调节的装置、系统和方法
JP6621747B2 (ja) 2013-08-14 2019-12-18 ザ ボード オブ トラスティーズ オブ ザ レランド スタンフォード ジュニア ユニバーシティー 疼痛を制御するための組成物及び方法
WO2016209654A1 (en) 2015-06-22 2016-12-29 The Board Of Trustees Of The Leland Stanford Junior University Methods and devices for imaging and/or optogenetic control of light-responsive neurons
US11294165B2 (en) 2017-03-30 2022-04-05 The Board Of Trustees Of The Leland Stanford Junior University Modular, electro-optical device for increasing the imaging field of view using time-sequential capture

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002188A (en) * 1959-04-14 1961-09-26 Frank R Abbott Harmonic wave beam-steering system
US3670355A (en) * 1970-03-23 1972-06-20 Kashira Sakamoto Wiper assembly for vehicles
US4228531A (en) * 1970-09-17 1980-10-14 The United States Of America As Represented By The Secretary Of The Navy Automatic underwater null steering
US3863258A (en) * 1971-09-14 1975-01-28 Litton Systems Inc Binary beam system
US3909751A (en) * 1973-12-28 1975-09-30 Hughes Aircraft Co Microwave switch and shifter including a bistate capacitor
US3905009A (en) * 1974-09-20 1975-09-09 Us Navy Transducer array scanning system
GB2022256B (en) * 1978-05-23 1983-05-18 Secr Defence Sonar beam-forming
US4468749A (en) * 1980-08-20 1984-08-28 Fujitsu Limited Adjustable attenuator circuit
DE3118198A1 (de) * 1981-05-08 1982-11-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schalter-kondensator-filter
DE3277105D1 (en) * 1981-05-08 1987-10-01 Hitachi Ltd Signal voltage dividing circuit
US4532515A (en) * 1982-02-10 1985-07-30 Cantrell Ben H Angle of arrival measurements for two unresolved sources
JPS58151724A (ja) * 1982-03-05 1983-09-09 Nec Corp 受信機

Also Published As

Publication number Publication date
ES8703065A1 (es) 1987-01-16
EP0174948A1 (en) 1986-03-26
ES541537A0 (es) 1987-01-16
IT8547855A0 (it) 1985-03-22
IT1209944B (it) 1989-08-30
WO1985004508A1 (en) 1985-10-10
US4616231A (en) 1986-10-07
GR850479B (enEXAMPLES) 1985-07-17

Similar Documents

Publication Publication Date Title
CA1227837A (en) Narrow-band beam steering system
US6473362B1 (en) Narrowband beamformer using nonlinear oscillators
DE69720483T2 (de) Zweidimensionale wandleranordnung mit strahlformer
US4849764A (en) Interference source noise cancelling beamformer
US5832923A (en) Utrasound imaging system architecture employing switched transducer elements
US4148031A (en) Phase conjugation method and apparatus for an active retrodirective antenna array
JPH08167861A (ja) 中間周波数に変換された信号の影像信号除去装置
CA2052834A1 (en) Homodyne optical receiver equipment
Goubau et al. Diakoptic theory for multielement antennas
US3002188A (en) Harmonic wave beam-steering system
US4233678A (en) Serial phase shift beamformer using charge transfer devices
US5101211A (en) Closed loop RF power amplifier output correction circuit
Lopez Monopulse networks for series feeding an array antenna
US5394003A (en) Acoustic charge transport device buffered architecture
US4366346A (en) Artificial reverberation apparatus
US5329495A (en) Passive beamformer with low side lobes
JPS6039822Y2 (ja) フェイズド・アレイ・ソ−ナ
Walach On superresolution effects in maximum likelihood adaptive antenna arrays
EP0260656A2 (en) Unidirectional surface acoustic wave device
Rajapaksha et al. Systolic array architecture for steerable multibeam VHF wave-digital RF apertures
GB2192107A (en) Surface acoustic wave filters
Hudson The effects of signal and weight coefficient quantisation in adaptive array processors
Mailloux et al. The analogy between the Butler matrix and the neural-network direction-finding array
Murray et al. True quadrature taps for saw delay lines
SU1626296A1 (ru) Адаптивна антенна решетка с суммарно-разностной диаграммой направленности

Legal Events

Date Code Title Description
MKEX Expiry