FR2377640B1 - - Google Patents
Info
- Publication number
- FR2377640B1 FR2377640B1 FR7701330A FR7701330A FR2377640B1 FR 2377640 B1 FR2377640 B1 FR 2377640B1 FR 7701330 A FR7701330 A FR 7701330A FR 7701330 A FR7701330 A FR 7701330A FR 2377640 B1 FR2377640 B1 FR 2377640B1
- Authority
- FR
- France
- 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
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
- 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
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period
- G01S7/2922—Extracting wanted echo-signals based on data belonging to one radar period by using a controlled threshold
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 |
---|---|---|---|
FR7701330A FR2377640A1 (fr) | 1977-01-18 | 1977-01-18 | Dispositif de stabilisation du taux de fausses alarmes dans un radar et systeme radar comportant un tel dispositif |
US05/869,762 US4159477A (en) | 1977-01-18 | 1978-01-16 | Arrangement for stabilizing the false alarm rate in a radar |
GB1867/78A GB1581312A (en) | 1977-01-18 | 1978-01-17 | Arrangement for stabilising the false alarm rate in a radar |
DE2802106A DE2802106C2 (de) | 1977-01-18 | 1978-01-18 | Anordnung zur Stabilisierung des Falschsignalanteils in einer Radaranlage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7701330A FR2377640A1 (fr) | 1977-01-18 | 1977-01-18 | Dispositif de stabilisation du taux de fausses alarmes dans un radar et systeme radar comportant un tel dispositif |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2377640A1 FR2377640A1 (fr) | 1978-08-11 |
FR2377640B1 true FR2377640B1 ( ) | 1980-10-31 |
Family
ID=9185621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7701330A Granted FR2377640A1 (fr) | 1977-01-18 | 1977-01-18 | Dispositif de stabilisation du taux de fausses alarmes dans un radar et systeme radar comportant un tel dispositif |
Country Status (4)
Country | Link |
---|---|
US (1) | US4159477A ( ) |
DE (1) | DE2802106C2 ( ) |
FR (1) | FR2377640A1 ( ) |
GB (1) | GB1581312A ( ) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2409521A1 (fr) * | 1977-11-22 | 1979-06-15 | Thomson Csf | Dispositif d'elimination des echos fixes, plus particulierement associe a un systeme radar et systeme radar le comprenant |
US4228435A (en) * | 1979-01-23 | 1980-10-14 | The United States Of America As Represented By The Secretary Of The Air Force | Radar sensitivity time control using range gated feedback |
FR2495785A1 (fr) * | 1980-12-09 | 1982-06-11 | Thomson Csf | Dispositif de quantification de signaux en impulsions pour radar secondaire |
GB2191052B (en) * | 1981-10-28 | 1988-05-25 | Emi Ltd | Radar apparatus |
US4490831A (en) * | 1983-03-01 | 1984-12-25 | E Systems, Inc. | Digital pulse detector circuit having selectable false alarm rate |
US4607258A (en) * | 1983-03-10 | 1986-08-19 | Sperry Corporation | Radar video dehancer |
DE3327793A1 (de) * | 1983-08-02 | 1985-02-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Radaranlage |
US4970660A (en) * | 1985-07-05 | 1990-11-13 | Motorola, Inc. | Accumulated statistics constant false alarm rate method and device |
DE3689037D1 (de) * | 1985-12-23 | 1993-10-21 | Nec Corp | Radarsystem. |
US4837579A (en) * | 1986-01-27 | 1989-06-06 | Raytheon Company | Pulse radar threshold generator |
GB2262677B (en) * | 1987-05-19 | 1993-11-24 | Marconi Co Ltd | Radar apparatus |
GB2314715B (en) * | 1987-05-21 | 1998-05-13 | Gec Avionics | Continuous wave radar system |
US5661666A (en) * | 1992-11-06 | 1997-08-26 | The United States Of America As Represented By The Secretary Of The Navy | Constant false probability data fusion system |
DE10041094A1 (de) * | 2000-08-22 | 2003-12-04 | Bosch Gmbh Robert | Sensorsystem und Verfharen, insbesondere zur Entfernungsbestimmung |
FR3027698B1 (fr) * | 2014-10-28 | 2016-12-23 | Thales Sa | Procede de traitement du signal d'un radar en mode de detection terre/mer ; chaine de traitement et produit programme d'ordinateur associes |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3680095A (en) * | 1967-04-17 | 1972-07-25 | Hughes Aircraft Co | Automatic detection criteria control unit for pencil beam radars |
US3781882A (en) * | 1970-09-30 | 1973-12-25 | Hughes Aircraft Co | Adaptive digital automatic gain control for mti radar systems |
US3781883A (en) * | 1972-03-10 | 1973-12-25 | Hughes Aircraft Co | Dynamic range control system having amplitude restoration |
US4058809A (en) * | 1972-06-26 | 1977-11-15 | Control Data Corporation | MTI system and method |
US4074264A (en) * | 1976-01-07 | 1978-02-14 | Hughes Aircraft Company | Adaptive threshold clutter processor |
DE2610295C3 (de) * | 1976-03-12 | 1979-04-12 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung für eine störfeste automatische Verstärkungsregelung von Folgeradarempfängern |
-
1977
- 1977-01-18 FR FR7701330A patent/FR2377640A1/fr active Granted
-
1978
- 1978-01-16 US US05/869,762 patent/US4159477A/en not_active Expired - Lifetime
- 1978-01-17 GB GB1867/78A patent/GB1581312A/en not_active Expired
- 1978-01-18 DE DE2802106A patent/DE2802106C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2377640A1 (fr) | 1978-08-11 |
DE2802106C2 (de) | 1987-04-30 |
DE2802106A1 (de) | 1978-07-20 |
US4159477A (en) | 1979-06-26 |
GB1581312A (en) | 1980-12-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |