NO771089L - Dopplerradarmottaker. - Google Patents
Dopplerradarmottaker.Info
- Publication number
- NO771089L NO771089L NO771089A NO771089A NO771089L NO 771089 L NO771089 L NO 771089L NO 771089 A NO771089 A NO 771089A NO 771089 A NO771089 A NO 771089A NO 771089 L NO771089 L NO 771089L
- Authority
- NO
- Norway
- Prior art keywords
- doppler radar
- radar receiver
- receiver
- doppler
- radar
- Prior art date
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
- 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
- G01S13/526—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 performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters
- G01S13/5265—IF cancellers, e.g. TACCAR systems
-
- 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
- G01S13/5242—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 with means for platform motion or scan motion compensation, e.g. airborne MTI
-
- 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
- G01S13/5246—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 post processors for coherent MTI discriminators, e.g. residue cancellers, CFAR after Doppler filters
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/672,823 US4104631A (en) | 1976-04-01 | 1976-04-01 | Method and system for clutter blanking in a radar target processor |
Publications (3)
Publication Number | Publication Date |
---|---|
NO771089L true NO771089L (no) | 1977-10-04 |
NO146690B NO146690B (no) | 1982-08-09 |
NO146690C NO146690C (no) | 1982-11-17 |
Family
ID=24700166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO771089A NO146690C (no) | 1976-04-01 | 1977-03-28 | Dopplerradaranlegg. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4104631A (no) |
BE (1) | BE852863A (no) |
DK (1) | DK149372C (no) |
NL (1) | NL7703028A (no) |
NO (1) | NO146690C (no) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1546061A (en) * | 1978-01-03 | 1979-05-16 | Lapy V | Automatic shipboard collision avoidance system |
US4268828A (en) * | 1979-09-19 | 1981-05-19 | Ford Aerospace & Communications Corporation | Swept frequency radar system employing phaseless averaging |
NL8101111A (nl) * | 1981-03-09 | 1982-10-01 | Hollandse Signaalapparaten Bv | Impulsradarapparaat. |
US4559537A (en) * | 1982-12-10 | 1985-12-17 | Raytheon Company | Method of tracking target in presence of clutter |
US4940988A (en) * | 1988-11-02 | 1990-07-10 | Westinghouse Electric Corp. | Two parameter clutter map |
US5061934A (en) * | 1990-11-09 | 1991-10-29 | The United States Of America As Represented By The Secretary Of The Air Force | Hybrid clutter cancellation method and system for improved radar performance |
DE4229951A1 (de) * | 1992-09-08 | 1994-03-10 | Deutsche Aerospace | Verfahren zur Kompensation eines von einer bewegten Radarantenne erzeugten Signalanteils |
US5351056A (en) * | 1993-06-21 | 1994-09-27 | International Business Machines Corp. | Target tracking in clutter degraded scenes using central level stereo processing |
US5563604A (en) * | 1995-02-08 | 1996-10-08 | Alliedsignal Inc. | Weather radar using spectral gaussian envelope discrimination for clutter rejection |
US6018311A (en) * | 1998-07-14 | 2000-01-25 | Raytheon Company | Noncoherent gain enhancement technique for improved detection-estimation performance |
US6049302A (en) * | 1999-05-04 | 2000-04-11 | Boeing North American | Pulsed doppler radar system with small intermediate frequency filters |
US6466958B1 (en) | 2000-09-12 | 2002-10-15 | Interstate Electronics Corporation, A Division Of L3 Communications Corporation | Parallel frequency searching in an acquisition correlator |
US9851431B2 (en) * | 2012-12-18 | 2017-12-26 | Bae Systems Plc | Radar |
BR112016005433B1 (pt) * | 2013-09-13 | 2022-08-16 | Bae Systems Plc | Método para detectar uma condição de propagação anômala em um sistema de radar, e, sistema de radar |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3742500A (en) * | 1970-08-24 | 1973-06-26 | Raytheon Co | Mti radar |
US3720942A (en) * | 1971-03-04 | 1973-03-13 | Hughes Aircraft Co | Video processing system |
US4058809A (en) * | 1972-06-26 | 1977-11-15 | Control Data Corporation | MTI system and method |
US3987442A (en) * | 1974-06-24 | 1976-10-19 | Raytheon Company | Digital MTI radar system |
US4031364A (en) * | 1975-11-10 | 1977-06-21 | Hughes Aircraft Company | Multiple moment video detector |
US4064511A (en) * | 1976-09-24 | 1977-12-20 | Raytheon Company | Clutter subtraction system |
-
1976
- 1976-04-01 US US05/672,823 patent/US4104631A/en not_active Expired - Lifetime
-
1977
- 1977-03-21 NL NL7703028A patent/NL7703028A/xx not_active Application Discontinuation
- 1977-03-24 BE BE176107A patent/BE852863A/xx not_active IP Right Cessation
- 1977-03-28 NO NO771089A patent/NO146690C/no unknown
- 1977-03-31 DK DK142077A patent/DK149372C/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK149372B (da) | 1986-05-20 |
DK142077A (da) | 1977-10-02 |
NL7703028A (nl) | 1977-10-04 |
US4104631A (en) | 1978-08-01 |
DK149372C (da) | 1986-11-03 |
NO146690C (no) | 1982-11-17 |
BE852863A (fr) | 1977-09-26 |
NO146690B (no) | 1982-08-09 |
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