WO2004083885A3 - Time delaybeamformer and method of time delay beamforming - Google Patents
Time delaybeamformer and method of time delay beamforming Download PDFInfo
- Publication number
- WO2004083885A3 WO2004083885A3 PCT/GB2004/001189 GB2004001189W WO2004083885A3 WO 2004083885 A3 WO2004083885 A3 WO 2004083885A3 GB 2004001189 W GB2004001189 W GB 2004001189W WO 2004083885 A3 WO2004083885 A3 WO 2004083885A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- time
- time delay
- signals
- delaybeamformer
- input channels
- Prior art date
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
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2611—Means for null steering; Adaptive interference nulling
-
- 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
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/449—Combined with MTI or Doppler processing circuits
-
- 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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
- G01S13/5244—Adaptive clutter cancellation
-
- 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
- G01S7/28—Details of pulse systems
- G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04721920A EP1609000A2 (en) | 2003-03-21 | 2004-03-19 | Time delay beamformer and method of time delay beamforming |
US10/550,227 US7737892B2 (en) | 2003-03-21 | 2004-03-19 | Time delay beamformer and method of time delay beamforming |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0306529.9 | 2003-03-21 | ||
GB0306529A GB2407210A (en) | 2003-03-21 | 2003-03-21 | Time delay beamformer and method of time delay beamforming |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004083885A2 WO2004083885A2 (en) | 2004-09-30 |
WO2004083885A3 true WO2004083885A3 (en) | 2004-12-23 |
Family
ID=32088480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2004/001189 WO2004083885A2 (en) | 2003-03-21 | 2004-03-19 | Time delaybeamformer and method of time delay beamforming |
Country Status (4)
Country | Link |
---|---|
US (1) | US7737892B2 (en) |
EP (1) | EP1609000A2 (en) |
GB (1) | GB2407210A (en) |
WO (1) | WO2004083885A2 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060181451A1 (en) * | 2005-02-14 | 2006-08-17 | Honeywell International Inc. | System and method for combining displaced phase center antenna and space-time adaptive processing techniques to enhance clutter suppression in radar on moving platforms |
US8363577B2 (en) | 2005-05-13 | 2013-01-29 | Qualcomm Incorporated | Low complexity beamforming for multiple antenna systems |
US7420509B2 (en) * | 2005-08-12 | 2008-09-02 | Itt Manufacturing Enterprises, Inc. | Methods and apparatus for adaptively performing algebraic interference cancellation |
US7154434B1 (en) * | 2005-09-12 | 2006-12-26 | The Boeing Company | Anti-personnel airborne radar application |
US7949070B2 (en) * | 2006-11-15 | 2011-05-24 | Sanyo Electric Co., Ltd. | Method and apparatus for executing MIMO eigenmode transmission |
CN102680946B (en) * | 2012-06-06 | 2014-06-18 | 西安电子科技大学 | Ultra-wideband beam former based on differential operator and achieving method thereof |
US9375197B2 (en) | 2013-01-16 | 2016-06-28 | General Electric Company | Systems and methods for inverted beamforming |
US9768501B2 (en) * | 2013-01-21 | 2017-09-19 | Intel Corporation | Apparatus, system and method of steering an antenna array |
US9832545B2 (en) * | 2013-10-11 | 2017-11-28 | Northrop Grumman Systems Corporation | System and method for providing a distributed directional aperture |
US10101445B2 (en) * | 2014-04-29 | 2018-10-16 | Research Foundation Of The City University Of New York | Power centroid radar |
US10027026B2 (en) * | 2014-09-18 | 2018-07-17 | Raytheon Company | Programmable beamforming system including element-level analog channelizer |
WO2016153265A1 (en) * | 2015-03-26 | 2016-09-29 | 엘지전자 주식회사 | Method and device for estimating doppler frequency by using beam scanning process in wireless communication system |
US10320467B2 (en) | 2015-09-29 | 2019-06-11 | The United States Of America, As Represented By The Secretary Of The Army | Frequency-based radio beamforming waveform transmission |
US10193612B2 (en) * | 2015-09-29 | 2019-01-29 | The United States Of America, As Represented By The Secretary Of The Army | Time-based radio beamforming waveform transmission |
US10079633B2 (en) | 2015-09-29 | 2018-09-18 | The United States Of America, As Represented By The Secretary Of The Army | Time-based and frequency-based radio beamforming waveform transmission |
US10236961B2 (en) | 2017-07-14 | 2019-03-19 | Facebook, Inc. | Processsing of beamforming signals of a passive time-delay structure |
US10914809B2 (en) * | 2018-01-18 | 2021-02-09 | The Aerospace Corporation | Sub-Nyquist broadband time-delayed phased array |
US20200328789A1 (en) * | 2020-06-26 | 2020-10-15 | Intel Corporation | Constraints-Based Phased Array Calibration |
CN112255600B (en) * | 2020-10-17 | 2022-03-22 | 中国电波传播研究所(中国电子科技集团公司第二十二研究所) | Airborne motion simulation method based on receiving-transmitting co-located multi-channel radar |
CN117784078B (en) * | 2024-02-27 | 2024-05-14 | 中国人民解放军空军预警学院 | Airborne radar space-time polarization combined self-adaptive processing clutter suppression method and device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4544927A (en) * | 1982-11-04 | 1985-10-01 | Sperry Corporation | Wideband beamformer |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1232059A (en) * | 1985-03-21 | 1988-01-26 | Donald C. Knudsen | Digital delay generator for sonar and radar beam formers |
FR2651609B1 (en) * | 1989-09-01 | 1992-01-03 | Thomson Csf | POINT CONTROL FOR AN ELECTRONIC SCANNING ANTENNA SYSTEM AND BEAM FORMATION THROUGH THE CALCULATION. |
US5383164A (en) * | 1993-06-10 | 1995-01-17 | The Salk Institute For Biological Studies | Adaptive system for broadband multisignal discrimination in a channel with reverberation |
GB2329072A (en) * | 1997-09-09 | 1999-03-10 | Secr Defence | Processing of signals incident on an array |
US6380908B1 (en) * | 2000-05-05 | 2002-04-30 | Raytheon Company | Phased array antenna data re-alignment |
US7187907B2 (en) * | 2000-05-09 | 2007-03-06 | Bernard Widrow | Simultaneous two-way transmission of information signals in the same frequency band |
US6480151B2 (en) * | 2000-12-29 | 2002-11-12 | Lockheed Martin Corporation | GPS receiver interference nuller with no satellite signal distortion |
WO2003050559A1 (en) * | 2001-12-05 | 2003-06-19 | Lockheed Martin Corporation | System and method for auto calibrated reduced rank adaptive processor |
US6738018B2 (en) * | 2002-05-01 | 2004-05-18 | Harris Corporation | All digital phased array using space/time cascaded processing |
US7057555B2 (en) * | 2002-11-27 | 2006-06-06 | Cisco Technology, Inc. | Wireless LAN with distributed access points for space management |
US20050195103A1 (en) * | 2004-01-13 | 2005-09-08 | Davis Dennis W. | Phased arrays exploiting geometry phase and methods of creating such arrays |
-
2003
- 2003-03-21 GB GB0306529A patent/GB2407210A/en not_active Withdrawn
-
2004
- 2004-03-19 EP EP04721920A patent/EP1609000A2/en not_active Ceased
- 2004-03-19 WO PCT/GB2004/001189 patent/WO2004083885A2/en active Application Filing
- 2004-03-19 US US10/550,227 patent/US7737892B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4544927A (en) * | 1982-11-04 | 1985-10-01 | Sperry Corporation | Wideband beamformer |
Non-Patent Citations (2)
Title |
---|
KLEMM R: "Prospectives in stap research", PROCEEDINGS OF THE 2000 IEEE SENSOR ARRAY AND MULTICHANNEL SIGNAL PROCESSING WORKSHOP, CAMBRIDGE, MA, USA, 16-17 MARCH 2000, 16 March 2000 (2000-03-16), pages 7 - 11, XP010516038 * |
ZATMAN M ET AL: "Time delay steering architectures for space-time adaptive processing", ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM, 1997. IEEE., 1997 DIGEST MONTREAL, QUE., CANADA 13-18 JULY 1997, NEW YORK, NY, USA,IEEE, US, 13 July 1997 (1997-07-13), pages 2426 - 2429, XP010246697, ISBN: 0-7803-4178-3 * |
Also Published As
Publication number | Publication date |
---|---|
WO2004083885A2 (en) | 2004-09-30 |
GB0306529D0 (en) | 2004-04-07 |
GB2407210A (en) | 2005-04-20 |
US7737892B2 (en) | 2010-06-15 |
EP1609000A2 (en) | 2005-12-28 |
US20060220956A1 (en) | 2006-10-05 |
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