IT1170587B - Elaboratore adattivo di segnali radar per la rivelazione dell'eco e la cancellazione del clutter - Google Patents
Elaboratore adattivo di segnali radar per la rivelazione dell'eco e la cancellazione del clutterInfo
- Publication number
- IT1170587B IT1170587B IT49499/83A IT4949983A IT1170587B IT 1170587 B IT1170587 B IT 1170587B IT 49499/83 A IT49499/83 A IT 49499/83A IT 4949983 A IT4949983 A IT 4949983A IT 1170587 B IT1170587 B IT 1170587B
- Authority
- IT
- Italy
- Prior art keywords
- clutter
- eco
- cancellation
- detection
- radar signals
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 238000001514 detection method Methods 0.000 title 1
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
- 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
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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT49499/83A IT1170587B (it) | 1983-12-13 | 1983-12-13 | Elaboratore adattivo di segnali radar per la rivelazione dell'eco e la cancellazione del clutter |
EP84830330A EP0149981B1 (en) | 1983-12-13 | 1984-12-06 | Adaptive radar signal processor for the detection of the useful echo and the cancellation of clutter |
DE8484830330T DE3485575D1 (de) | 1983-12-13 | 1984-12-06 | Anpassungsfaehiger radarsignalprozessor zur entdeckung des nuetzlichen echos und zur unterdrueckung der stoerungen. |
US06/681,497 US4719466A (en) | 1983-12-13 | 1984-12-13 | Adaptive radar signal processor for the detection of useful echo and the cancellation of clutter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT49499/83A IT1170587B (it) | 1983-12-13 | 1983-12-13 | Elaboratore adattivo di segnali radar per la rivelazione dell'eco e la cancellazione del clutter |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8349499A0 IT8349499A0 (it) | 1983-12-13 |
IT1170587B true IT1170587B (it) | 1987-06-03 |
Family
ID=11270842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49499/83A IT1170587B (it) | 1983-12-13 | 1983-12-13 | Elaboratore adattivo di segnali radar per la rivelazione dell'eco e la cancellazione del clutter |
Country Status (4)
Country | Link |
---|---|
US (1) | US4719466A (it) |
EP (1) | EP0149981B1 (it) |
DE (1) | DE3485575D1 (it) |
IT (1) | IT1170587B (it) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3639500A1 (de) * | 1986-11-20 | 1988-06-01 | Forschungsgesellschaft Fuer An | Radarempfaenger fuer bewegte radargeraete mit gruppenantenne mit zweidimensional wirkender clutterunterdrueckung |
US4890113A (en) * | 1987-12-09 | 1989-12-26 | Westinghouse Electric Corp. | Second time around clutter cancellation system |
US4870603A (en) * | 1988-02-16 | 1989-09-26 | Grumman Aerospace Corporation | System of improving signal-to-noise ratio of detected random pulses |
US5014061A (en) * | 1989-04-24 | 1991-05-07 | Technology Research International | Adaptive multifrequency signal combining system |
CA1310709C (en) * | 1989-06-26 | 1992-11-24 | Simon Haykin | Adaptive interference canceller |
JPH03252581A (ja) * | 1990-03-02 | 1991-11-11 | Mitsubishi Electric Corp | レーダ装置 |
US5309378A (en) * | 1991-11-18 | 1994-05-03 | Hughes Aircraft Company | Multi-channel adaptive canceler |
IL101556A (en) * | 1992-04-10 | 1996-08-04 | Univ Ramot | Multi-channel signal separation using cross-polyspectra |
US5465413A (en) * | 1993-03-05 | 1995-11-07 | Trimble Navigation Limited | Adaptive noise cancellation |
US5451961A (en) * | 1993-11-08 | 1995-09-19 | Unisys Corporation | Time varying adaptive clutter filter and clutter residue sensor |
US6020782A (en) * | 1994-05-25 | 2000-02-01 | The United States Of America As Represented By The Secretary Of The Navy | Noise assisted signal processor with nonlinearly coupled arrays of nonlinear dynamic elements |
US5623520A (en) * | 1994-06-21 | 1997-04-22 | Northrop Grumman Corporation | Correlation detector employing two level A/D conversion and arithmetic sign control |
US5748143A (en) * | 1996-12-09 | 1998-05-05 | The United States Of America As Represented By The Secretary Of The Air Force | Adaptive post-doppler sequential beam processor |
US5907302A (en) * | 1997-12-19 | 1999-05-25 | The United States Of America As Represented By The Secretary Of The Air Force | Adaptive elevational scan processor statement of government interest |
US6044336A (en) * | 1998-07-13 | 2000-03-28 | Multispec Corporation | Method and apparatus for situationally adaptive processing in echo-location systems operating in non-Gaussian environments |
AU2002211881A1 (en) * | 2000-10-13 | 2002-04-22 | Science Applications International Corporation | System and method for linear prediction |
US6904444B2 (en) | 2001-04-12 | 2005-06-07 | The United States Of America As Represented By The Secretary Of The Navy | Pseudo-median cascaded canceller |
US6473029B1 (en) * | 2001-08-08 | 2002-10-29 | Trw Inc. | System for recognizing signal of interest within noise |
US8082286B1 (en) | 2002-04-22 | 2011-12-20 | Science Applications International Corporation | Method and system for soft-weighting a reiterative adaptive signal processor |
US7167884B2 (en) * | 2002-04-22 | 2007-01-23 | The United States Of America As Represented By The Secretary Of The Navy | Multistage median cascaded canceller |
US7415065B2 (en) * | 2002-10-25 | 2008-08-19 | Science Applications International Corporation | Adaptive filtering in the presence of multipath |
US7538717B2 (en) * | 2002-12-20 | 2009-05-26 | Saab Ab | Adaptive ground clutter cancellation |
CN109143184B (zh) * | 2018-10-29 | 2022-05-24 | 北京理工大学 | 一种扫描雷达的双门限检测方法 |
US20220404466A1 (en) * | 2021-02-26 | 2022-12-22 | University Of Kansas | Structure-based adaptive radar processing for joint interference cancellation and signal estimation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044359A (en) * | 1962-01-09 | 1977-08-23 | General Electric Company | Multiple intermediate frequency side-lobe canceller |
FR2215005B1 (it) * | 1973-01-23 | 1976-05-14 | Cit Alcatel | |
US3882498A (en) * | 1973-02-22 | 1975-05-06 | Gen Electric | Adaptive array processor providing improved mainlobe maintenance |
US3995271A (en) * | 1975-08-20 | 1976-11-30 | The United States Of America As Represented By The Secretary Of The Air Force | Adaptive clutter cancellation and interference rejection system for AMTI radar |
US4217584A (en) * | 1976-06-15 | 1980-08-12 | Gaspare Galati | System for the suppression by matching techniques of unwanted echoes in impulse coherent radars |
US4439770A (en) * | 1976-06-23 | 1984-03-27 | The United States Of America As Represented By The Secretary Of The Navy | Cascaded adaptive loops |
US4217586A (en) * | 1977-05-16 | 1980-08-12 | General Electric Company | Channel estimating reference signal processor for communication system adaptive antennas |
GB1599035A (en) * | 1978-03-22 | 1981-09-30 | Marconi Co Ltd | Adaptive cancellation arrangement |
NL8006543A (nl) * | 1980-12-02 | 1982-07-01 | Philips Nv | Zelfinstellend filter. |
-
1983
- 1983-12-13 IT IT49499/83A patent/IT1170587B/it active
-
1984
- 1984-12-06 EP EP84830330A patent/EP0149981B1/en not_active Expired
- 1984-12-06 DE DE8484830330T patent/DE3485575D1/de not_active Expired - Fee Related
- 1984-12-13 US US06/681,497 patent/US4719466A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3485575D1 (de) | 1992-04-16 |
IT8349499A0 (it) | 1983-12-13 |
EP0149981A3 (en) | 1987-05-13 |
EP0149981A2 (en) | 1985-07-31 |
EP0149981B1 (en) | 1992-03-11 |
US4719466A (en) | 1988-01-12 |
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