DE60232609D1 - Verringerung von nah-mehrdeutigkeiten - Google Patents
Verringerung von nah-mehrdeutigkeitenInfo
- Publication number
- DE60232609D1 DE60232609D1 DE60232609T DE60232609T DE60232609D1 DE 60232609 D1 DE60232609 D1 DE 60232609D1 DE 60232609 T DE60232609 T DE 60232609T DE 60232609 T DE60232609 T DE 60232609T DE 60232609 D1 DE60232609 D1 DE 60232609D1
- Authority
- DE
- Germany
- Prior art keywords
- antenna array
- antenna
- elements
- different times
- valuables
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
-
- 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
- H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
- Fats And Perfumes (AREA)
- Door And Window Frames Mounted To Openings (AREA)
- Glass Compositions (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE2002/001554 WO2004021513A1 (en) | 2002-08-30 | 2002-08-30 | Reduction of near ambiguities |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60232609D1 true DE60232609D1 (de) | 2009-07-23 |
Family
ID=31974205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60232609T Expired - Fee Related DE60232609D1 (de) | 2002-08-30 | 2002-08-30 | Verringerung von nah-mehrdeutigkeiten |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060114155A1 (de) |
EP (1) | EP1540766B1 (de) |
AT (1) | ATE433607T1 (de) |
AU (1) | AU2002330818A1 (de) |
DE (1) | DE60232609D1 (de) |
WO (1) | WO2004021513A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002330817A1 (en) | 2002-08-30 | 2004-03-19 | Telefonaktiebolaget L M Ericsson (Publ) | Method for enhancing the measuring accuracy in an antenna array |
WO2008066436A1 (en) * | 2006-11-30 | 2008-06-05 | Telefonaktiebolaget Lm Ericsson (Publ) | A microwave sparse array antenna arrangement |
EP3488260B1 (de) | 2016-07-21 | 2024-05-08 | Echodyne Corp | Schnelle strahlmuster |
US10396468B2 (en) | 2016-08-18 | 2019-08-27 | Echodyne Corp | Antenna having increased side-lobe suppression and improved side-lobe level |
US11879989B2 (en) | 2016-12-05 | 2024-01-23 | Echodyne Corp. | Antenna subsystem with analog beam-steering transmit array and sparse hybrid analog and digital beam-steering receive array |
JP7241016B2 (ja) | 2016-12-05 | 2023-03-16 | エコダイン コーポレーシヨン | アンテナサブシステム、レーダサブシステム、車両、方法、及び有体非一時的媒体 |
WO2019075421A2 (en) | 2017-10-13 | 2019-04-18 | Echodyne Corp | BEAM ORIENTATION ANTENNA |
US11402462B2 (en) | 2017-11-06 | 2022-08-02 | Echodyne Corp. | Intelligent sensor and intelligent feedback-based dynamic control of a parameter of a field of regard to which the sensor is directed |
US10365364B1 (en) | 2018-05-18 | 2019-07-30 | Zendar Inc. | Systems and methods for detecting objects |
US10371797B1 (en) * | 2018-05-23 | 2019-08-06 | Zendar Inc. | Systems and methods for enhancing target detection |
US11128035B2 (en) | 2019-04-19 | 2021-09-21 | Echodyne Corp. | Phase-selectable antenna unit and related antenna, subsystem, system, and method |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3374478A (en) * | 1966-12-07 | 1968-03-19 | Spectronics Inc | Radar signaliing system with reduced clutter effect |
US3803625A (en) * | 1972-12-18 | 1974-04-09 | Itt | Network approach for reducing the number of phase shifters in a limited scan phased array |
US4119972A (en) * | 1977-02-03 | 1978-10-10 | Nasa | Phased array antenna control |
US4513385A (en) * | 1983-01-31 | 1985-04-23 | Motorola, Inc. | Apparatus and method for suppressing side lobe response in a digitally sampled system |
US4500883A (en) * | 1983-03-07 | 1985-02-19 | The United States Of America As Represented By The Secretary Of The Army | Adaptive multiple interference tracking and cancelling antenna |
GB8803451D0 (en) * | 1988-02-15 | 1988-03-16 | British Telecomm | Antenna |
US5225841A (en) * | 1991-06-27 | 1993-07-06 | Hughes Aircraft Company | Glittering array for radar pulse shaping |
US5339284A (en) * | 1992-07-17 | 1994-08-16 | Frederick Herold & Associates, Inc. | Signal processor for elimination of sidelobe responses and generation of error signals |
GB9424119D0 (en) * | 1994-11-28 | 1995-01-18 | Northern Telecom Ltd | An antenna dow-tilt arrangement |
US6236363B1 (en) * | 1998-01-30 | 2001-05-22 | Micronetics Wireless | Smart antenna channel simulator and test system |
US5973638A (en) * | 1998-01-30 | 1999-10-26 | Micronetics Wireless, Inc. | Smart antenna channel simulator and test system |
US6178140B1 (en) * | 1998-05-19 | 2001-01-23 | L-3 Communications Elac Nautik Gmbh | Method for three-dimensional beam forming in direction finding systems |
US6198434B1 (en) * | 1998-12-17 | 2001-03-06 | Metawave Communications Corporation | Dual mode switched beam antenna |
SE514624C2 (sv) * | 1998-12-22 | 2001-03-26 | Ericsson Telefon Ab L M | Förfarande och arrangemang för att upprätta en länk mellan två fasta noder i ett mobilradiosystem genom användning av adaptiva antenner och en reflekterande kropp |
SE518207C2 (sv) * | 1999-09-10 | 2002-09-10 | Ericsson Telefon Ab L M | Gles gruppantenn |
SE517758C2 (sv) * | 2000-11-14 | 2002-07-09 | Ericsson Telefon Ab L M | Dubbelstråleantennapertur |
GB2376568B (en) * | 2001-06-12 | 2005-06-01 | Mobisphere Ltd | Improvements in or relating to smart antenna arrays |
US6567034B1 (en) * | 2001-09-05 | 2003-05-20 | Lockheed Martin Corporation | Digital beamforming radar system and method with super-resolution multiple jammer location |
AU2002330817A1 (en) * | 2002-08-30 | 2004-03-19 | Telefonaktiebolaget L M Ericsson (Publ) | Method for enhancing the measuring accuracy in an antenna array |
-
2002
- 2002-08-30 DE DE60232609T patent/DE60232609D1/de not_active Expired - Fee Related
- 2002-08-30 AU AU2002330818A patent/AU2002330818A1/en not_active Abandoned
- 2002-08-30 EP EP02768248A patent/EP1540766B1/de not_active Expired - Lifetime
- 2002-08-30 AT AT02768248T patent/ATE433607T1/de not_active IP Right Cessation
- 2002-08-30 WO PCT/SE2002/001554 patent/WO2004021513A1/en not_active Application Discontinuation
- 2002-08-30 US US10/520,935 patent/US20060114155A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ATE433607T1 (de) | 2009-06-15 |
WO2004021513A1 (en) | 2004-03-11 |
EP1540766B1 (de) | 2009-06-10 |
US20060114155A1 (en) | 2006-06-01 |
EP1540766A1 (de) | 2005-06-15 |
AU2002330818A1 (en) | 2004-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |