BE872238A - Procede de type adaptif et recepteur radar permettant la suppression de composantes parasites du spectre doppler - Google Patents
Procede de type adaptif et recepteur radar permettant la suppression de composantes parasites du spectre dopplerInfo
- Publication number
- BE872238A BE872238A BE191904A BE191904A BE872238A BE 872238 A BE872238 A BE 872238A BE 191904 A BE191904 A BE 191904A BE 191904 A BE191904 A BE 191904A BE 872238 A BE872238 A BE 872238A
- Authority
- BE
- Belgium
- Prior art keywords
- suppression
- type process
- radar receiver
- doppler spectrum
- parasitic components
- 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
- G01S13/5244—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2752338A DE2752338C2 (de) | 1977-11-23 | 1977-11-23 | Radarempfänger |
Publications (1)
Publication Number | Publication Date |
---|---|
BE872238A true BE872238A (fr) | 1979-03-16 |
Family
ID=6024455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE191904A BE872238A (fr) | 1977-11-23 | 1978-11-23 | Procede de type adaptif et recepteur radar permettant la suppression de composantes parasites du spectre doppler |
Country Status (9)
Country | Link |
---|---|
US (1) | US4234880A (fr) |
BE (1) | BE872238A (fr) |
CH (1) | CH638319A5 (fr) |
DE (1) | DE2752338C2 (fr) |
FR (1) | FR2410286A1 (fr) |
GB (1) | GB2027310B (fr) |
IT (1) | IT1100172B (fr) |
LU (1) | LU80555A1 (fr) |
NL (1) | NL7807070A (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8100606A (nl) * | 1981-02-09 | 1982-09-01 | Hollandse Signaalapparaten Bv | Impulsraderapparaat. |
IT1171334B (it) * | 1981-06-25 | 1987-06-10 | Selenia Ind Elettroniche | Dispositivo per effettuare la stima della frequenza di scansione del segnale di un radar d'inseguimento a scansione conica |
IT1199170B (it) * | 1984-07-27 | 1988-12-30 | Selenia Ind Elettroniche | Elaboratore digitale di segnali radar in grado di effettuare la cancellazione adattiva del clutter mediante stimatore parametrico |
NL8403758A (nl) * | 1984-12-11 | 1986-07-01 | Hollandse Signaalapparaten Bv | Impulsradarapparaat. |
FR2584213B1 (fr) * | 1985-06-28 | 1994-03-11 | Thomson Csf | Dispositif de calcul d'une transformee de fourier discrete, glissante, et son application a un systeme radar. |
US6882301B2 (en) * | 1986-06-03 | 2005-04-19 | Time Domain Corporation | Time domain radio transmission system |
DE3639500A1 (de) * | 1986-11-20 | 1988-06-01 | Forschungsgesellschaft Fuer An | Radarempfaenger fuer bewegte radargeraete mit gruppenantenne mit zweidimensional wirkender clutterunterdrueckung |
US4862427A (en) * | 1987-12-22 | 1989-08-29 | Ketema, Inc. | Sonar system with area moving target indicator |
NL8800002A (nl) * | 1988-01-04 | 1988-04-05 | Hollandse Signaalapparaten Bv | Moving target indicatie-eenheid. |
GB2504252B (en) * | 1992-06-08 | 2014-07-23 | Northern Telecom Ltd | Radar |
US5412390A (en) * | 1993-08-24 | 1995-05-02 | Delfin Systems | Apparatus and method for reducing co-channel interference from a radio frequency signal |
US5631655A (en) * | 1995-12-21 | 1997-05-20 | Hughes Electronics | System and method for radar receiver harmonic distortion and spurious response control |
US6108454A (en) * | 1998-04-27 | 2000-08-22 | The United States Of America As Represented By The Secretary Of The Navy | Line contrast difference effect correction for laser line scan data |
US7716712B2 (en) * | 2003-06-18 | 2010-05-11 | General Instrument Corporation | Narrowband interference and identification and digital processing for cable television return path performance enhancement |
US7548187B1 (en) * | 2005-11-09 | 2009-06-16 | Bae Systems Information And Electronic Systems Integration Inc. | Adaptive clutter filtering to improve high sub-clutter visibility radar detection performance |
RU197685U1 (ru) * | 2020-02-25 | 2020-05-21 | Акционерное общество «Научно-исследовательский институт по измерительной технике-радиотехнические комплексы» | Адаптивное устройство подавления пассивных помех |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3783258A (en) * | 1971-11-03 | 1974-01-01 | Us Navy | Fft processor utilizing variable length shift registers |
US3987285A (en) * | 1973-05-04 | 1976-10-19 | Rca Corporation | Digital matched filtering using a step transform process |
US4003054A (en) * | 1974-10-03 | 1977-01-11 | Raytheon Company | Method of compensating for imbalances in a quadrature demodulator |
FR2306453A1 (fr) * | 1975-04-03 | 1976-10-29 | Nippon Electric Co | Radar d'indication de cibles mobiles |
DE2548418C2 (de) * | 1975-10-29 | 1977-11-24 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zur Durchfährung der schnellen Fouriertransformation bei einem Puls-Doppler-Radarempfänger |
US4069468A (en) * | 1976-09-24 | 1978-01-17 | Raytheon Company | Doppler spectral measurement |
-
1977
- 1977-11-23 DE DE2752338A patent/DE2752338C2/de not_active Expired
-
1978
- 1978-06-29 NL NL7807070A patent/NL7807070A/xx not_active Application Discontinuation
- 1978-10-19 CH CH1084878A patent/CH638319A5/de not_active IP Right Cessation
- 1978-11-15 FR FR7832266A patent/FR2410286A1/fr active Granted
- 1978-11-21 LU LU80555A patent/LU80555A1/de unknown
- 1978-11-22 IT IT30043/78A patent/IT1100172B/it active
- 1978-11-23 BE BE191904A patent/BE872238A/fr unknown
- 1978-11-23 GB GB7845848A patent/GB2027310B/en not_active Expired
- 1978-11-24 US US05/963,359 patent/US4234880A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT1100172B (it) | 1985-09-28 |
GB2027310A (en) | 1980-02-13 |
CH638319A5 (de) | 1983-09-15 |
LU80555A1 (de) | 1979-03-22 |
IT7830043A0 (it) | 1978-11-22 |
US4234880A (en) | 1980-11-18 |
FR2410286B1 (fr) | 1983-05-13 |
NL7807070A (nl) | 1979-05-28 |
DE2752338C2 (de) | 1983-11-17 |
FR2410286A1 (fr) | 1979-06-22 |
DE2752338A1 (de) | 1979-05-31 |
GB2027310B (en) | 1982-03-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE872238A (fr) | Procede de type adaptif et recepteur radar permettant la suppression de composantes parasites du spectre doppler | |
GB2010629B (en) | Focused doppler radar | |
BR7802340A (pt) | Aparelho emissor de ondas eletromagneticas de frequencia elevada | |
NL7805371A (nl) | Radarvolgstelsel. | |
IL54572A (en) | Frequency correlation signal processing system for acoustic reverberation suppression | |
BE868469A (fr) | Procede et dispositif pour determiner la classe commerciale de viandes | |
NO146005C (no) | Krets til behandling av radarpulssignaler | |
BE868463A (fr) | Procede de production de nuages denses en vue du camouflage | |
GB2010627A (en) | Continuous wave radar equipment | |
DE2861165D1 (de) | Monopulse radar apparatus | |
FR2619928B1 (fr) | Dispositifs radars perfectionnes | |
SE7804135L (sv) | Radaranordning | |
JPS549596A (en) | Device for suppressing radar clutter | |
IT7823171A0 (it) | Mangime per animali. apparecchio per il trattamento di | |
GB2335103B (en) | Pulse doppler radar apparatus and second trace clutter cancelling method therein | |
IT7825136A0 (it) | Dispositivo circuitale per laproduzione di impulsi di analisi periodici. | |
NO783371L (no) | Doppler-radar. | |
GB2002617B (en) | Radar receiver for pulse doppler radar equipment | |
AR216947A1 (es) | Dispositivo para la elaboracion de esparragos | |
NO155987C (no) | Doppler sonar apparat med parametrisk antenne. | |
NL7802419A (nl) | Dopplerradarinrichting. | |
FR2377733B1 (fr) | Procede de realisation d'elements metalliques de brouillage de radars | |
IT1102000B (it) | Apparecchiatura radar | |
IT1103979B (it) | Apparecchiatura elettronica per la rivelazione delle onde sonore | |
JPS53142891A (en) | Method of searching article using doppler radar |