IT7851989A0 - Ma che lo comprende dispositivo di eliminazione degli echi fissi piu' particolarmente associato ad un sistema radar e siste - Google Patents

Ma che lo comprende dispositivo di eliminazione degli echi fissi piu' particolarmente associato ad un sistema radar e siste

Info

Publication number
IT7851989A0
IT7851989A0 IT7851989A IT5198978A IT7851989A0 IT 7851989 A0 IT7851989 A0 IT 7851989A0 IT 7851989 A IT7851989 A IT 7851989A IT 5198978 A IT5198978 A IT 5198978A IT 7851989 A0 IT7851989 A0 IT 7851989A0
Authority
IT
Italy
Prior art keywords
echoe
fixed
radar system
elimination device
particularly associated
Prior art date
Application number
IT7851989A
Other languages
English (en)
Other versions
IT1106337B (it
Original Assignee
Thomson Csf
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Csf filed Critical Thomson Csf
Publication of IT7851989A0 publication Critical patent/IT7851989A0/it
Application granted granted Critical
Publication of IT1106337B publication Critical patent/IT1106337B/it

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
    • G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
    • G01S7/2927—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods by deriving and controlling a threshold value
    • 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
    • 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
    • G01S7/34—Gain of receiver varied automatically during pulse-recurrence period, e.g. anti-clutter gain control

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)
IT51989/78A 1977-11-22 1978-11-21 Dispositivo di eliminazione degli echi fissi piu particolarmente associato ad un sistema radar e sistema che lo comprende IT1106337B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7735043A FR2409521A1 (fr) 1977-11-22 1977-11-22 Dispositif d'elimination des echos fixes, plus particulierement associe a un systeme radar et systeme radar le comprenant

Publications (2)

Publication Number Publication Date
IT7851989A0 true IT7851989A0 (it) 1978-11-21
IT1106337B IT1106337B (it) 1985-11-11

Family

ID=9197892

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51989/78A IT1106337B (it) 1977-11-22 1978-11-21 Dispositivo di eliminazione degli echi fissi piu particolarmente associato ad un sistema radar e sistema che lo comprende

Country Status (4)

Country Link
DE (1) DE2850508C2 (it)
FR (1) FR2409521A1 (it)
GB (1) GB2011749B (it)
IT (1) IT1106337B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467412A1 (fr) * 1979-10-10 1981-04-17 Thomson Csf Dispositif numerique de detection de cibles par radar
NL7908860A (nl) * 1979-12-10 1981-07-01 Hollandse Signaalapparaten Bv Drempelschakeling voor radarvideosignalen.
DE3127065A1 (de) * 1981-07-09 1983-01-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur unterdrueckung von stoerechos bei radaranlagen und anordnung zur durchfuehrung des verfahrens
DE3209399A1 (de) * 1982-03-16 1983-09-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und anordnung zur verbesserung des signal-stoer-verhaeltnisses bei radaranlagen
DE3213430A1 (de) * 1982-04-10 1983-10-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und anordnung zur zielerkennung und stoersignalunterdrueckung in radargeraeten
DE3933437A1 (de) * 1989-10-06 1991-04-18 Diehl Gmbh & Co Rueckstrahlortungsanlage
DE102005023787A1 (de) * 2005-05-19 2006-11-23 Selex Sistemi Intergrati Gmbh Verfahren und Vorrichtung zum Korrigieren von Wetterdaten sowie Computerprogrammprodukt

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1245452B (de) * 1965-06-02 1967-07-27 Int Standard Electric Corp Radaranlage mit Anzeigeverminderung von laengeren Festzielechos
US3786506A (en) * 1972-03-10 1974-01-15 Hughes Aircraft Co Dynamic range control system
US4058809A (en) * 1972-06-26 1977-11-15 Control Data Corporation MTI system and method
NL174675C (nl) * 1976-09-06 1984-07-16 Hollandse Signaalapparaten Bv Inrichting voor het opwekken van de regelspanning voor de automatische sterkteregeling van een impulsradarapparaat.
FR2377640A1 (fr) * 1977-01-18 1978-08-11 Thomson Csf Dispositif de stabilisation du taux de fausses alarmes dans un radar et systeme radar comportant un tel dispositif

Also Published As

Publication number Publication date
GB2011749B (en) 1982-06-16
GB2011749A (en) 1979-07-11
FR2409521A1 (fr) 1979-06-15
IT1106337B (it) 1985-11-11
FR2409521B1 (it) 1982-10-22
DE2850508C2 (de) 1985-01-03
DE2850508A1 (de) 1979-06-13

Similar Documents

Publication Publication Date Title
JPS52137299A (en) Device for attaching tag
IT1118856B (it) Sistema di rivelazione a trasduttoro d'intrusione multipli
FR2339838A1 (fr) Dispositif de detection de la position relative d'un element
FR2452635B1 (fr) Dispositif de debrayage
BE861810A (fr) Dispositif d'assemblage de deux pieces
FR2572515B1 (fr) Dispositif de detection de position
FR2448133B1 (fr) Dispositif de pesee a dynanometre et lecteur separes
BE860297A (fr) Dispositif de surveillance
FR2406253B1 (fr) Dispositif de traitement d'informations
BE882132A (fr) Dispositif anti-enchainement
IT1093844B (it) Dispositivo di rivelazione degli impatti su di un bersaglio
IT7851989A0 (it) Ma che lo comprende dispositivo di eliminazione degli echi fissi piu' particolarmente associato ad un sistema radar e siste
FR2582410B1 (fr) Dispositif de detection d'objet
NZ186366A (en) Stand-up type animal identification tag assembly
BE861718A (fr) Dispositif d'identification electronique
BE864881A (fr) Dispositif d'assemblage
BE875819A (fr) Dispositif indicateur
BE854543A (fr) Dispositif de suspension d'armoine
BE878929A (fr) Dispositif d'homogeneisation
FR2353919A1 (fr) Dispositif d'affichage perfectionne
BE869477A (fr) Dispositif d'anticollision de vehicules passifs
IT7824410A0 (it) Dispositivo di fissaggio e sistema d'inserimento.
JPS52137300A (en) Device for attaching tag
BR8003731A (pt) Dispositivo de antenas de radar integradas
IT7924852A0 (it) Sistema di adesivi conduttori che comprende un componente che fa aumentare la conducibilita'.